Cheap Flights from London to Washington (LHR to IAD)

Discover more affordable routes and cheaper dates from London to Washington (LHR to IAD) within a date range.

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€331

8:50pm - 3:20pm
Tue May 13th 2025

47h 30m
London (LHR) → Washington, D.C. (IAD)

2 Stops

Tue May 13th 2025 Vueling · VY 6653 Depart at 8:50pm from London (LHR) Fly for 2h 15m Arrive at 12:05am in Barcelona (BCN)

Layover in Barcelona for 22h 35m

Wed May 14th 2025 TAP Portugal · TP 1039 Depart at 10:40pm from Barcelona (BCN) Fly for 2h 0m Arrive at 11:40pm in Lisbon (LIS)

Layover in Lisbon for 12h 20m

Thu May 15th 2025 TAP Portugal · TP 231 Depart at 12:00pm from Lisbon (LIS) Fly for 8h 20m Arrive at 3:20pm in Washington, D.C. (IAD)

Book Flight
€331

8:50pm - 4:20pm
Wed May 14th 2025

48h 30m
London (LHR) → Washington, D.C. (IAD)

2 Stops

Wed May 14th 2025 Vueling · VY 6653 Depart at 8:50pm from London (LHR) Fly for 2h 15m Arrive at 12:05am in Barcelona (BCN)

Layover in Barcelona for 22h 35m

Thu May 15th 2025 TAP Portugal · TP 1039 Depart at 10:40pm from Barcelona (BCN) Fly for 2h 0m Arrive at 11:40pm in Lisbon (LIS)

Layover in Lisbon for 13h 20m

Fri May 16th 2025 TAP Portugal · TP 231 Depart at 1:00pm from Lisbon (LIS) Fly for 8h 20m Arrive at 4:20pm in Washington, D.C. (IAD)

Book Flight
€333

8:50pm - 3:20pm
Wed May 14th 2025

23h 30m
London (LHR) → Washington, D.C. (IAD)

2 Stops

Wed May 14th 2025 Vueling · VY 6653 Depart at 8:50pm from London (LHR) Fly for 2h 15m Arrive at 12:05am in Barcelona (BCN)

Layover in Barcelona for 5h 55m

Thu May 15th 2025 TAP Portugal · TP 1041 Depart at 6:00am from Barcelona (BCN) Fly for 2h 0m Arrive at 7:00am in Lisbon (LIS)

Layover in Lisbon for 5h 0m

Thu May 15th 2025 TAP Portugal · TP 231 Depart at 12:00pm from Lisbon (LIS) Fly for 8h 20m Arrive at 3:20pm in Washington, D.C. (IAD)

Book Flight
€337

8:50pm - 3:20pm
Mon May 19th 2025

47h 30m
London (LHR) → Washington, D.C. (IAD)

2 Stops

Mon May 19th 2025 Vueling · VY 6653 Depart at 8:50pm from London (LHR) Fly for 2h 15m Arrive at 12:05am in Barcelona (BCN)

Layover in Barcelona for 22h 35m

Tue May 20th 2025 TAP Portugal · TP 1039 Depart at 10:40pm from Barcelona (BCN) Fly for 2h 0m Arrive at 11:40pm in Lisbon (LIS)

Layover in Lisbon for 12h 20m

Wed May 21st 2025 TAP Portugal · TP 231 Depart at 12:00pm from Lisbon (LIS) Fly for 8h 20m Arrive at 3:20pm in Washington, D.C. (IAD)

Book Flight
€338

8:50pm - 3:20pm
Tue May 6th 2025

47h 30m
London (LHR) → Washington, D.C. (IAD)

2 Stops

Tue May 6th 2025 Vueling · VY 6653 Depart at 8:50pm from London (LHR) Fly for 2h 15m Arrive at 12:05am in Barcelona (BCN)

Layover in Barcelona for 22h 35m

Wed May 7th 2025 TAP Portugal · TP 1039 Depart at 10:40pm from Barcelona (BCN) Fly for 2h 0m Arrive at 11:40pm in Lisbon (LIS)

Layover in Lisbon for 12h 20m

Thu May 8th 2025 TAP Portugal · TP 231 Depart at 12:00pm from Lisbon (LIS) Fly for 8h 20m Arrive at 3:20pm in Washington, D.C. (IAD)

Book Flight
€340

8:50pm - 3:20pm
Wed May 7th 2025

23h 30m
London (LHR) → Washington, D.C. (IAD)

2 Stops

Wed May 7th 2025 Vueling · VY 6653 Depart at 8:50pm from London (LHR) Fly for 2h 15m Arrive at 12:05am in Barcelona (BCN)

Layover in Barcelona for 5h 55m

Thu May 8th 2025 TAP Portugal · TP 1041 Depart at 6:00am from Barcelona (BCN) Fly for 2h 0m Arrive at 7:00am in Lisbon (LIS)

Layover in Lisbon for 5h 0m

Thu May 8th 2025 TAP Portugal · TP 231 Depart at 12:00pm from Lisbon (LIS) Fly for 8h 20m Arrive at 3:20pm in Washington, D.C. (IAD)

Book Flight
€340

8:50pm - 3:20pm
Tue May 6th 2025

23h 30m
London (LHR) → Washington, D.C. (IAD)

2 Stops

Tue May 6th 2025 Vueling · VY 6653 Depart at 8:50pm from London (LHR) Fly for 2h 15m Arrive at 12:05am in Barcelona (BCN)

Layover in Barcelona for 5h 55m

Wed May 7th 2025 TAP Portugal · TP 1041 Depart at 6:00am from Barcelona (BCN) Fly for 2h 0m Arrive at 7:00am in Lisbon (LIS)

Layover in Lisbon for 5h 0m

Wed May 7th 2025 TAP Portugal · TP 231 Depart at 12:00pm from Lisbon (LIS) Fly for 8h 20m Arrive at 3:20pm in Washington, D.C. (IAD)

Book Flight
€345

3:05pm - 6:19pm
Wed Jun 4th 2025

56h 14m
London (LHR) → Washington, D.C. (IAD)

2 Stops

Wed Jun 4th 2025 Vueling · VY 8961 Depart at 3:05pm from London (LHR) Fly for 1h 35m Arrive at 5:40pm in Paris (ORY)

Layover in Paris for 23h 20m

Thu Jun 5th 2025 French Bee · BF 742 Depart at 5:00pm from Paris (ORY) Fly for 9h 50m Arrive at 8:50pm in Miami (MIA)

Layover in Miami for 18h 49m

Fri Jun 6th 2025 Frontier Airlines · F9 3748 Depart at 3:39pm from Miami (MIA) Fly for 2h 40m Arrive at 6:19pm in Washington, D.C. (IAD)

Book Flight
€349

8:50pm - 3:20pm
Tue May 20th 2025

47h 30m
London (LHR) → Washington, D.C. (IAD)

2 Stops

Tue May 20th 2025 Vueling · VY 6653 Depart at 8:50pm from London (LHR) Fly for 2h 15m Arrive at 12:05am in Barcelona (BCN)

Layover in Barcelona for 22h 35m

Wed May 21st 2025 TAP Portugal · TP 1039 Depart at 10:40pm from Barcelona (BCN) Fly for 2h 0m Arrive at 11:40pm in Lisbon (LIS)

Layover in Lisbon for 12h 20m

Thu May 22nd 2025 TAP Portugal · TP 231 Depart at 12:00pm from Lisbon (LIS) Fly for 8h 20m Arrive at 3:20pm in Washington, D.C. (IAD)

Book Flight
€351

8:50pm - 3:20pm
Tue May 20th 2025

23h 30m
London (LHR) → Washington, D.C. (IAD)

2 Stops

Tue May 20th 2025 Vueling · VY 6653 Depart at 8:50pm from London (LHR) Fly for 2h 15m Arrive at 12:05am in Barcelona (BCN)

Layover in Barcelona for 5h 55m

Wed May 21st 2025 TAP Portugal · TP 1041 Depart at 6:00am from Barcelona (BCN) Fly for 2h 0m Arrive at 7:00am in Lisbon (LIS)

Layover in Lisbon for 5h 0m

Wed May 21st 2025 TAP Portugal · TP 231 Depart at 12:00pm from Lisbon (LIS) Fly for 8h 20m Arrive at 3:20pm in Washington, D.C. (IAD)

Book Flight
€363

8:00pm - 7:05pm
Tue Oct 14th 2025

28h 5m
London (LHR) → Washington, D.C. (IAD)

2 Stops

Tue Oct 14th 2025 Iberia Airlines · IB 726 Depart at 8:00pm from London (LHR) Fly for 2h 25m Arrive at 11:25pm in Madrid (MAD)

Layover in Madrid for 14h 10m

Wed Oct 15th 2025 Royal Air Maroc · AT 973 Depart at 1:35pm from Madrid (MAD) Fly for 1h 50m Arrive at 2:25pm in Casablanca (CMN)

Layover in Casablanca for 1h 40m

Wed Oct 15th 2025 Royal Air Maroc · AT 218 Depart at 4:05pm from Casablanca (CMN) Fly for 8h 0m Arrive at 7:05pm in Washington, D.C. (IAD)

Book Flight
€363

8:00pm - 7:05pm
Tue Sep 30th 2025

28h 5m
London (LHR) → Washington, D.C. (IAD)

2 Stops

Tue Sep 30th 2025 Iberia Airlines · IB 726 Depart at 8:00pm from London (LHR) Fly for 2h 25m Arrive at 11:25pm in Madrid (MAD)

Layover in Madrid for 14h 10m

Wed Oct 1st 2025 Royal Air Maroc · AT 973 Depart at 1:35pm from Madrid (MAD) Fly for 1h 50m Arrive at 2:25pm in Casablanca (CMN)

Layover in Casablanca for 1h 40m

Wed Oct 1st 2025 Royal Air Maroc · AT 218 Depart at 4:05pm from Casablanca (CMN) Fly for 8h 0m Arrive at 7:05pm in Washington, D.C. (IAD)

Book Flight
€366

8:50pm - 3:20pm
Tue May 13th 2025

23h 30m
London (LHR) → Washington, D.C. (IAD)

2 Stops

Tue May 13th 2025 Vueling · VY 6653 Depart at 8:50pm from London (LHR) Fly for 2h 15m Arrive at 12:05am in Barcelona (BCN)

Layover in Barcelona for 5h 55m

Wed May 14th 2025 TAP Portugal · TP 1041 Depart at 6:00am from Barcelona (BCN) Fly for 2h 0m Arrive at 7:00am in Lisbon (LIS)

Layover in Lisbon for 5h 0m

Wed May 14th 2025 TAP Portugal · TP 231 Depart at 12:00pm from Lisbon (LIS) Fly for 8h 20m Arrive at 3:20pm in Washington, D.C. (IAD)

Book Flight
€369

7:05am - 8:50pm
Thu May 15th 2025

18h 45m
London (LHR) → Washington, D.C. (IAD)

2 Stops

Thu May 15th 2025 SAS · SK 802 Depart at 7:05am from London (LHR) Fly for 2h 5m Arrive at 10:10am in Oslo (OSL)

Layover in Oslo for 2h 40m

Thu May 15th 2025 TAP Portugal · TP 763 Depart at 12:50pm from Oslo (OSL) Fly for 4h 10m Arrive at 4:00pm in Lisbon (LIS)

Layover in Lisbon for 1h 30m

Thu May 15th 2025 TAP Portugal · TP 233 Depart at 5:30pm from Lisbon (LIS) Fly for 8h 20m Arrive at 8:50pm in Washington, D.C. (IAD)

Book Flight
€372

8:50pm - 3:20pm
Mon May 19th 2025

23h 30m
London (LHR) → Washington, D.C. (IAD)

2 Stops

Mon May 19th 2025 Vueling · VY 6653 Depart at 8:50pm from London (LHR) Fly for 2h 15m Arrive at 12:05am in Barcelona (BCN)

Layover in Barcelona for 5h 55m

Tue May 20th 2025 TAP Portugal · TP 1041 Depart at 6:00am from Barcelona (BCN) Fly for 1h 55m Arrive at 6:55am in Lisbon (LIS)

Layover in Lisbon for 5h 5m

Tue May 20th 2025 TAP Portugal · TP 231 Depart at 12:00pm from Lisbon (LIS) Fly for 8h 20m Arrive at 3:20pm in Washington, D.C. (IAD)

Book Flight
€372

7:10pm - 7:05pm
Thu Oct 2nd 2025

28h 55m
London (LHR) → Washington, D.C. (IAD)

2 Stops

Thu Oct 2nd 2025 Iberia Airlines · IB 724 Depart at 7:10pm from London (LHR) Fly for 2h 25m Arrive at 10:35pm in Madrid (MAD)

Layover in Madrid for 15h 0m

Fri Oct 3rd 2025 Royal Air Maroc · AT 973 Depart at 1:35pm from Madrid (MAD) Fly for 1h 50m Arrive at 2:25pm in Casablanca (CMN)

Layover in Casablanca for 1h 40m

Fri Oct 3rd 2025 Royal Air Maroc · AT 218 Depart at 4:05pm from Casablanca (CMN) Fly for 8h 0m Arrive at 7:05pm in Washington, D.C. (IAD)

Book Flight
€376

6:15am - 7:05pm
Wed Oct 15th 2025

17h 50m
London (LHR) → Washington, D.C. (IAD)

2 Stops

Wed Oct 15th 2025 British Airways · BA 456 Depart at 6:15am from London (LHR) Fly for 2h 25m Arrive at 9:40am in Madrid (MAD)

Layover in Madrid for 3h 55m

Wed Oct 15th 2025 Royal Air Maroc · AT 973 Depart at 1:35pm from Madrid (MAD) Fly for 1h 50m Arrive at 2:25pm in Casablanca (CMN)

Layover in Casablanca for 1h 40m

Wed Oct 15th 2025 Royal Air Maroc · AT 218 Depart at 4:05pm from Casablanca (CMN) Fly for 8h 0m Arrive at 7:05pm in Washington, D.C. (IAD)

Book Flight
€376

6:15am - 7:05pm
Wed Oct 1st 2025

17h 50m
London (LHR) → Washington, D.C. (IAD)

2 Stops

Wed Oct 1st 2025 British Airways · BA 456 Depart at 6:15am from London (LHR) Fly for 2h 25m Arrive at 9:40am in Madrid (MAD)

Layover in Madrid for 3h 55m

Wed Oct 1st 2025 Royal Air Maroc · AT 973 Depart at 1:35pm from Madrid (MAD) Fly for 1h 50m Arrive at 2:25pm in Casablanca (CMN)

Layover in Casablanca for 1h 40m

Wed Oct 1st 2025 Royal Air Maroc · AT 218 Depart at 4:05pm from Casablanca (CMN) Fly for 8h 0m Arrive at 7:05pm in Washington, D.C. (IAD)

Book Flight
€379

8:50pm - 3:20pm
Wed May 28th 2025

23h 30m
London (LHR) → Washington, D.C. (IAD)

2 Stops

Wed May 28th 2025 Vueling · VY 6653 Depart at 8:50pm from London (LHR) Fly for 2h 15m Arrive at 12:05am in Barcelona (BCN)

Layover in Barcelona for 5h 55m

Thu May 29th 2025 TAP Portugal · TP 1041 Depart at 6:00am from Barcelona (BCN) Fly for 2h 0m Arrive at 7:00am in Lisbon (LIS)

Layover in Lisbon for 5h 0m

Thu May 29th 2025 TAP Portugal · TP 231 Depart at 12:00pm from Lisbon (LIS) Fly for 8h 20m Arrive at 3:20pm in Washington, D.C. (IAD)

Book Flight
€385

8:00pm - 7:05pm
Tue Jun 10th 2025

28h 5m
London (LHR) → Washington, D.C. (IAD)

2 Stops

Tue Jun 10th 2025 British Airways · BA 7067 Depart at 8:00pm from London (LHR) Fly for 2h 25m Arrive at 11:25pm in Madrid (MAD)

Layover in Madrid for 14h 10m

Wed Jun 11th 2025 Royal Air Maroc · AT 973 Depart at 1:35pm from Madrid (MAD) Fly for 1h 50m Arrive at 2:25pm in Casablanca (CMN)

Layover in Casablanca for 1h 40m

Wed Jun 11th 2025 Royal Air Maroc · AT 218 Depart at 4:05pm from Casablanca (CMN) Fly for 8h 0m Arrive at 7:05pm in Washington, D.C. (IAD)

Book Flight
€407

6:10am - 7:05pm
Fri Oct 3rd 2025

17h 55m
London (LHR) → Washington, D.C. (IAD)

2 Stops

Fri Oct 3rd 2025 British Airways · BA 456 Depart at 6:10am from London (LHR) Fly for 2h 25m Arrive at 9:35am in Madrid (MAD)

Layover in Madrid for 4h 0m

Fri Oct 3rd 2025 Royal Air Maroc · AT 973 Depart at 1:35pm from Madrid (MAD) Fly for 1h 50m Arrive at 2:25pm in Casablanca (CMN)

Layover in Casablanca for 1h 40m

Fri Oct 3rd 2025 Royal Air Maroc · AT 218 Depart at 4:05pm from Casablanca (CMN) Fly for 8h 0m Arrive at 7:05pm in Washington, D.C. (IAD)

Book Flight
€410

8:00pm - 3:20pm
Tue Jun 10th 2025

24h 20m
London (LHR) → Washington, D.C. (IAD)

2 Stops

Tue Jun 10th 2025 British Airways · BA 7067 Depart at 8:00pm from London (LHR) Fly for 2h 25m Arrive at 11:25pm in Madrid (MAD)

Layover in Madrid for 8h 15m

Wed Jun 11th 2025 TAP Portugal · TP 1023 Depart at 7:40am from Madrid (MAD) Fly for 1h 25m Arrive at 8:05am in Lisbon (LIS)

Layover in Lisbon for 3h 55m

Wed Jun 11th 2025 TAP Portugal · TP 231 Depart at 12:00pm from Lisbon (LIS) Fly for 8h 20m Arrive at 3:20pm in Washington, D.C. (IAD)

Book Flight
€418

8:50pm - 3:20pm
Tue Jun 10th 2025

23h 30m
London (LHR) → Washington, D.C. (IAD)

2 Stops

Tue Jun 10th 2025 Vueling · VY 6653 Depart at 8:50pm from London (LHR) Fly for 2h 15m Arrive at 12:05am in Barcelona (BCN)

Layover in Barcelona for 5h 55m

Wed Jun 11th 2025 TAP Portugal · TP 1041 Depart at 6:00am from Barcelona (BCN) Fly for 2h 0m Arrive at 7:00am in Lisbon (LIS)

Layover in Lisbon for 5h 0m

Wed Jun 11th 2025 TAP Portugal · TP 231 Depart at 12:00pm from Lisbon (LIS) Fly for 8h 20m Arrive at 3:20pm in Washington, D.C. (IAD)

Book Flight
€419

7:45am - 7:05pm
Fri Oct 3rd 2025

16h 20m
London (LHR) → Washington, D.C. (IAD)

2 Stops

Fri Oct 3rd 2025 British Airways · BA 458 Depart at 7:45am from London (LHR) Fly for 2h 25m Arrive at 11:10am in Madrid (MAD)

Layover in Madrid for 2h 25m

Fri Oct 3rd 2025 Royal Air Maroc · AT 973 Depart at 1:35pm from Madrid (MAD) Fly for 1h 50m Arrive at 2:25pm in Casablanca (CMN)

Layover in Casablanca for 1h 40m

Fri Oct 3rd 2025 Royal Air Maroc · AT 218 Depart at 4:05pm from Casablanca (CMN) Fly for 8h 0m Arrive at 7:05pm in Washington, D.C. (IAD)

Book Flight
€422

7:50am - 7:05pm
Wed Oct 1st 2025

16h 15m
London (LHR) → Washington, D.C. (IAD)

2 Stops

Wed Oct 1st 2025 British Airways · BA 458 Depart at 7:50am from London (LHR) Fly for 2h 25m Arrive at 11:15am in Madrid (MAD)

Layover in Madrid for 2h 20m

Wed Oct 1st 2025 Royal Air Maroc · AT 973 Depart at 1:35pm from Madrid (MAD) Fly for 1h 50m Arrive at 2:25pm in Casablanca (CMN)

Layover in Casablanca for 1h 40m

Wed Oct 1st 2025 Royal Air Maroc · AT 218 Depart at 4:05pm from Casablanca (CMN) Fly for 8h 0m Arrive at 7:05pm in Washington, D.C. (IAD)

Book Flight
€424

7:25pm - 3:20pm
Tue May 6th 2025

24h 55m
London (LHR) → Washington, D.C. (IAD)

2 Stops

Tue May 6th 2025 Iberia Airlines · IB 3664 Depart at 7:25pm from London (LHR) Fly for 2h 15m Arrive at 10:40pm in Barcelona (BCN)

Layover in Barcelona for 7h 20m

Wed May 7th 2025 TAP Portugal · TP 1041 Depart at 6:00am from Barcelona (BCN) Fly for 2h 0m Arrive at 7:00am in Lisbon (LIS)

Layover in Lisbon for 5h 0m

Wed May 7th 2025 TAP Portugal · TP 231 Depart at 12:00pm from Lisbon (LIS) Fly for 8h 20m Arrive at 3:20pm in Washington, D.C. (IAD)

Book Flight
€431

7:05am - 8:50pm
Thu May 1st 2025

18h 45m
London (LHR) → Washington, D.C. (IAD)

2 Stops

Thu May 1st 2025 SAS · SK 802 Depart at 7:05am from London (LHR) Fly for 2h 5m Arrive at 10:10am in Oslo (OSL)

Layover in Oslo for 2h 40m

Thu May 1st 2025 TAP Portugal · TP 763 Depart at 12:50pm from Oslo (OSL) Fly for 4h 10m Arrive at 4:00pm in Lisbon (LIS)

Layover in Lisbon for 1h 30m

Thu May 1st 2025 TAP Portugal · TP 233 Depart at 5:30pm from Lisbon (LIS) Fly for 8h 20m Arrive at 8:50pm in Washington, D.C. (IAD)

Book Flight
€434

6:15am - 7:05pm
Thu Jun 12th 2025

17h 50m
London (LHR) → Washington, D.C. (IAD)

2 Stops

Thu Jun 12th 2025 British Airways · BA 456 Depart at 6:15am from London (LHR) Fly for 2h 25m Arrive at 9:40am in Madrid (MAD)

Layover in Madrid for 3h 55m

Thu Jun 12th 2025 Royal Air Maroc · AT 973 Depart at 1:35pm from Madrid (MAD) Fly for 1h 50m Arrive at 2:25pm in Casablanca (CMN)

Layover in Casablanca for 1h 40m

Thu Jun 12th 2025 Royal Air Maroc · AT 218 Depart at 4:05pm from Casablanca (CMN) Fly for 8h 0m Arrive at 7:05pm in Washington, D.C. (IAD)

Book Flight
€436

8:00am - 3:20pm
Wed May 21st 2025

12h 20m
London (LHR) → Washington, D.C. (IAD)

1 Stop

Wed May 21st 2025 TAP Portugal · TP 1351 Depart at 8:00am from London (LHR) Fly for 2h 45m Arrive at 10:45am in Lisbon (LIS)

Layover in Lisbon for 1h 15m

Wed May 21st 2025 TAP Portugal · TP 231 Depart at 12:00pm from Lisbon (LIS) Fly for 8h 20m Arrive at 3:20pm in Washington, D.C. (IAD)

Book Flight
€436

8:00am - 3:20pm
Tue May 20th 2025

12h 20m
London (LHR) → Washington, D.C. (IAD)

1 Stop

Tue May 20th 2025 TAP Portugal · TP 1351 Depart at 8:00am from London (LHR) Fly for 2h 45m Arrive at 10:45am in Lisbon (LIS)

Layover in Lisbon for 1h 15m

Tue May 20th 2025 TAP Portugal · TP 231 Depart at 12:00pm from Lisbon (LIS) Fly for 8h 20m Arrive at 3:20pm in Washington, D.C. (IAD)

Book Flight
€436

6:00am - 3:20pm
Thu May 22nd 2025

14h 20m
London (LHR) → Washington, D.C. (IAD)

1 Stop

Thu May 22nd 2025 TAP Portugal · TP 1363 Depart at 6:00am from London (LHR) Fly for 2h 40m Arrive at 8:40am in Lisbon (LIS)

Layover in Lisbon for 3h 20m

Thu May 22nd 2025 TAP Portugal · TP 231 Depart at 12:00pm from Lisbon (LIS) Fly for 8h 20m Arrive at 3:20pm in Washington, D.C. (IAD)

Book Flight
€437

8:00am - 3:20pm
Wed May 7th 2025

12h 20m
London (LHR) → Washington, D.C. (IAD)

1 Stop

Wed May 7th 2025 TAP Portugal · TP 1351 Depart at 8:00am from London (LHR) Fly for 2h 45m Arrive at 10:45am in Lisbon (LIS)

Layover in Lisbon for 1h 15m

Wed May 7th 2025 TAP Portugal · TP 231 Depart at 12:00pm from Lisbon (LIS) Fly for 8h 20m Arrive at 3:20pm in Washington, D.C. (IAD)

Book Flight
€437

6:00am - 3:20pm
Thu May 15th 2025

14h 20m
London (LHR) → Washington, D.C. (IAD)

1 Stop

Thu May 15th 2025 TAP Portugal · TP 1363 Depart at 6:00am from London (LHR) Fly for 2h 40m Arrive at 8:40am in Lisbon (LIS)

Layover in Lisbon for 3h 20m

Thu May 15th 2025 TAP Portugal · TP 231 Depart at 12:00pm from Lisbon (LIS) Fly for 8h 20m Arrive at 3:20pm in Washington, D.C. (IAD)

Book Flight
€438

8:00am - 3:20pm
Thu May 8th 2025

12h 20m
London (LHR) → Washington, D.C. (IAD)

1 Stop

Thu May 8th 2025 TAP Portugal · TP 1351 Depart at 8:00am from London (LHR) Fly for 2h 45m Arrive at 10:45am in Lisbon (LIS)

Layover in Lisbon for 1h 15m

Thu May 8th 2025 TAP Portugal · TP 231 Depart at 12:00pm from Lisbon (LIS) Fly for 8h 20m Arrive at 3:20pm in Washington, D.C. (IAD)

Book Flight
€444

11:20am - 8:50pm
Thu May 1st 2025

14h 30m
London (LHR) → Washington, D.C. (IAD)

1 Stop

Thu May 1st 2025 TAP Portugal · TP 1367 Depart at 11:20am from London (LHR) Fly for 2h 40m Arrive at 2:00pm in Lisbon (LIS)

Layover in Lisbon for 3h 30m

Thu May 1st 2025 TAP Portugal · TP 233 Depart at 5:30pm from Lisbon (LIS) Fly for 8h 20m Arrive at 8:50pm in Washington, D.C. (IAD)

Book Flight
€445

7:05am - 8:50pm
Thu Jun 12th 2025

18h 45m
London (LHR) → Washington, D.C. (IAD)

2 Stops

Thu Jun 12th 2025 SAS · SK 802 Depart at 7:05am from London (LHR) Fly for 2h 5m Arrive at 10:10am in Oslo (OSL)

Layover in Oslo for 2h 40m

Thu Jun 12th 2025 TAP Portugal · TP 763 Depart at 12:50pm from Oslo (OSL) Fly for 4h 10m Arrive at 4:00pm in Lisbon (LIS)

Layover in Lisbon for 1h 30m

Thu Jun 12th 2025 TAP Portugal · TP 233 Depart at 5:30pm from Lisbon (LIS) Fly for 8h 20m Arrive at 8:50pm in Washington, D.C. (IAD)

Book Flight
€446

6:00am - 3:20pm
Thu May 1st 2025

14h 20m
London (LHR) → Washington, D.C. (IAD)

1 Stop

Thu May 1st 2025 TAP Portugal · TP 1363 Depart at 6:00am from London (LHR) Fly for 2h 40m Arrive at 8:40am in Lisbon (LIS)

Layover in Lisbon for 3h 20m

Thu May 1st 2025 TAP Portugal · TP 231 Depart at 12:00pm from Lisbon (LIS) Fly for 8h 20m Arrive at 3:20pm in Washington, D.C. (IAD)

Book Flight
€446

6:00am - 8:50pm
Thu May 1st 2025

19h 50m
London (LHR) → Washington, D.C. (IAD)

1 Stop

Thu May 1st 2025 TAP Portugal · TP 1363 Depart at 6:00am from London (LHR) Fly for 2h 40m Arrive at 8:40am in Lisbon (LIS)

Layover in Lisbon for 8h 50m

Thu May 1st 2025 TAP Portugal · TP 233 Depart at 5:30pm from Lisbon (LIS) Fly for 8h 20m Arrive at 8:50pm in Washington, D.C. (IAD)

Book Flight
€455

6:15am - 7:05pm
Sat Jun 14th 2025

17h 50m
London (LHR) → Washington, D.C. (IAD)

2 Stops

Sat Jun 14th 2025 British Airways · BA 456 Depart at 6:15am from London (LHR) Fly for 2h 25m Arrive at 9:40am in Madrid (MAD)

Layover in Madrid for 3h 55m

Sat Jun 14th 2025 Royal Air Maroc · AT 973 Depart at 1:35pm from Madrid (MAD) Fly for 1h 50m Arrive at 2:25pm in Casablanca (CMN)

Layover in Casablanca for 1h 40m

Sat Jun 14th 2025 Royal Air Maroc · AT 218 Depart at 4:05pm from Casablanca (CMN) Fly for 8h 0m Arrive at 7:05pm in Washington, D.C. (IAD)

Book Flight
€455

6:15am - 7:05pm
Thu Jun 19th 2025

17h 50m
London (LHR) → Washington, D.C. (IAD)

2 Stops

Thu Jun 19th 2025 British Airways · BA 456 Depart at 6:15am from London (LHR) Fly for 2h 25m Arrive at 9:40am in Madrid (MAD)

Layover in Madrid for 3h 55m

Thu Jun 19th 2025 Royal Air Maroc · AT 973 Depart at 1:35pm from Madrid (MAD) Fly for 1h 50m Arrive at 2:25pm in Casablanca (CMN)

Layover in Casablanca for 1h 40m

Thu Jun 19th 2025 Royal Air Maroc · AT 218 Depart at 4:05pm from Casablanca (CMN) Fly for 8h 0m Arrive at 7:05pm in Washington, D.C. (IAD)

Book Flight
€459

8:00am - 3:20pm
Fri May 2nd 2025

12h 20m
London (LHR) → Washington, D.C. (IAD)

1 Stop

Fri May 2nd 2025 TAP Portugal · TP 1351 Depart at 8:00am from London (LHR) Fly for 2h 45m Arrive at 10:45am in Lisbon (LIS)

Layover in Lisbon for 1h 15m

Fri May 2nd 2025 TAP Portugal · TP 231 Depart at 12:00pm from Lisbon (LIS) Fly for 8h 20m Arrive at 3:20pm in Washington, D.C. (IAD)

Book Flight
€461

8:00am - 3:20pm
Wed May 14th 2025

12h 20m
London (LHR) → Washington, D.C. (IAD)

1 Stop

Wed May 14th 2025 TAP Portugal · TP 1351 Depart at 8:00am from London (LHR) Fly for 2h 45m Arrive at 10:45am in Lisbon (LIS)

Layover in Lisbon for 1h 15m

Wed May 14th 2025 TAP Portugal · TP 231 Depart at 12:00pm from Lisbon (LIS) Fly for 8h 20m Arrive at 3:20pm in Washington, D.C. (IAD)

Book Flight
€464

6:00am - 3:20pm
Thu May 29th 2025

14h 20m
London (LHR) → Washington, D.C. (IAD)

1 Stop

Thu May 29th 2025 TAP Portugal · TP 1363 Depart at 6:00am from London (LHR) Fly for 2h 40m Arrive at 8:40am in Lisbon (LIS)

Layover in Lisbon for 3h 20m

Thu May 29th 2025 TAP Portugal · TP 231 Depart at 12:00pm from Lisbon (LIS) Fly for 8h 20m Arrive at 3:20pm in Washington, D.C. (IAD)

Book Flight
€464

6:00am - 4:20pm
Fri May 16th 2025

15h 20m
London (LHR) → Washington, D.C. (IAD)

1 Stop

Fri May 16th 2025 TAP Portugal · TP 1363 Depart at 6:00am from London (LHR) Fly for 2h 45m Arrive at 8:45am in Lisbon (LIS)

Layover in Lisbon for 4h 15m

Fri May 16th 2025 TAP Portugal · TP 231 Depart at 1:00pm from Lisbon (LIS) Fly for 8h 20m Arrive at 4:20pm in Washington, D.C. (IAD)

Book Flight
€467

7:50am - 7:05pm
Mon Jun 2nd 2025

16h 15m
London (LHR) → Washington, D.C. (IAD)

2 Stops

Mon Jun 2nd 2025 British Airways · BA 458 Depart at 7:50am from London (LHR) Fly for 2h 25m Arrive at 11:15am in Madrid (MAD)

Layover in Madrid for 2h 20m

Mon Jun 2nd 2025 Royal Air Maroc · AT 973 Depart at 1:35pm from Madrid (MAD) Fly for 1h 50m Arrive at 2:25pm in Casablanca (CMN)

Layover in Casablanca for 1h 40m

Mon Jun 2nd 2025 Royal Air Maroc · AT 218 Depart at 4:05pm from Casablanca (CMN) Fly for 8h 0m Arrive at 7:05pm in Washington, D.C. (IAD)

Book Flight
€469

7:30am - 7:59pm
Mon Oct 13th 2025

17h 29m
London (LHR) → Washington, D.C. (IAD)

2 Stops

Mon Oct 13th 2025 British Airways · BA 760 Depart at 7:30am from London (LHR) Fly for 2h 5m Arrive at 10:35am in Oslo (OSL)

Layover in Oslo for 4h 20m

Mon Oct 13th 2025 SAS · SK 1471 Depart at 2:55pm from Oslo (OSL) Fly for 1h 10m Arrive at 4:05pm in Copenhagen (CPH)

Layover in Copenhagen for 1h 25m

Mon Oct 13th 2025 SAS · SK 925 Depart at 5:30pm from Copenhagen (CPH) Fly for 8h 29m Arrive at 7:59pm in Washington, D.C. (IAD)

Book Flight
€469

6:15am - 8:50pm
Thu Jun 12th 2025

19h 35m
London (LHR) → Washington, D.C. (IAD)

2 Stops

Thu Jun 12th 2025 British Airways · BA 456 Depart at 6:15am from London (LHR) Fly for 2h 25m Arrive at 9:40am in Madrid (MAD)

Layover in Madrid for 3h 55m

Thu Jun 12th 2025 TAP Portugal · TP 1013 Depart at 1:35pm from Madrid (MAD) Fly for 1h 25m Arrive at 2:00pm in Lisbon (LIS)

Layover in Lisbon for 3h 30m

Thu Jun 12th 2025 TAP Portugal · TP 233 Depart at 5:30pm from Lisbon (LIS) Fly for 8h 20m Arrive at 8:50pm in Washington, D.C. (IAD)

Book Flight
€470

6:45am - 8:50pm
Tue Jun 10th 2025

19h 5m
London (LHR) → Washington, D.C. (IAD)

2 Stops

Tue Jun 10th 2025 British Airways · BA 412 Depart at 6:45am from London (LHR) Fly for 2h 50m Arrive at 10:35am in Málaga (AGP)

Layover in Málaga for 4h 50m

Tue Jun 10th 2025 TAP Portugal · TP 1137 Depart at 3:25pm from Málaga (AGP) Fly for 1h 20m Arrive at 3:45pm in Lisbon (LIS)

Layover in Lisbon for 1h 45m

Tue Jun 10th 2025 TAP Portugal · TP 233 Depart at 5:30pm from Lisbon (LIS) Fly for 8h 20m Arrive at 8:50pm in Washington, D.C. (IAD)

Book Flight
€472

7:50pm - 3:20pm
Thu May 1st 2025

24h 30m
London (LHR) → Washington, D.C. (IAD)

1 Stop

Thu May 1st 2025 TAP Portugal · TP 1369 Depart at 7:50pm from London (LHR) Fly for 2h 45m Arrive at 10:35pm in Lisbon (LIS)

Layover in Lisbon for 13h 25m

Fri May 2nd 2025 TAP Portugal · TP 231 Depart at 12:00pm from Lisbon (LIS) Fly for 8h 20m Arrive at 3:20pm in Washington, D.C. (IAD)

Book Flight
€472

4:35pm - 3:20pm
Thu May 1st 2025

27h 45m
London (LHR) → Washington, D.C. (IAD)

1 Stop

Thu May 1st 2025 TAP Portugal · TP 1361 Depart at 4:35pm from London (LHR) Fly for 2h 45m Arrive at 7:20pm in Lisbon (LIS)

Layover in Lisbon for 16h 40m

Fri May 2nd 2025 TAP Portugal · TP 231 Depart at 12:00pm from Lisbon (LIS) Fly for 8h 20m Arrive at 3:20pm in Washington, D.C. (IAD)

Book Flight
€474

7:50am - 7:05pm
Wed Oct 15th 2025

16h 15m
London (LHR) → Washington, D.C. (IAD)

2 Stops

Wed Oct 15th 2025 British Airways · BA 458 Depart at 7:50am from London (LHR) Fly for 2h 25m Arrive at 11:15am in Madrid (MAD)

Layover in Madrid for 2h 20m

Wed Oct 15th 2025 Royal Air Maroc · AT 973 Depart at 1:35pm from Madrid (MAD) Fly for 1h 50m Arrive at 2:25pm in Casablanca (CMN)

Layover in Casablanca for 1h 40m

Wed Oct 15th 2025 Royal Air Maroc · AT 218 Depart at 4:05pm from Casablanca (CMN) Fly for 8h 0m Arrive at 7:05pm in Washington, D.C. (IAD)

Book Flight
€479

1:45pm - 3:20pm
Thu May 1st 2025

30h 35m
London (LHR) → Washington, D.C. (IAD)

1 Stop

Thu May 1st 2025 TAP Portugal · TP 1359 Depart at 1:45pm from London (LHR) Fly for 2h 45m Arrive at 4:30pm in Lisbon (LIS)

Layover in Lisbon for 19h 30m

Fri May 2nd 2025 TAP Portugal · TP 231 Depart at 12:00pm from Lisbon (LIS) Fly for 8h 20m Arrive at 3:20pm in Washington, D.C. (IAD)

Book Flight
€479

11:20am - 3:20pm
Thu May 1st 2025

33h 0m
London (LHR) → Washington, D.C. (IAD)

1 Stop

Thu May 1st 2025 TAP Portugal · TP 1367 Depart at 11:20am from London (LHR) Fly for 2h 40m Arrive at 2:00pm in Lisbon (LIS)

Layover in Lisbon for 22h 0m

Fri May 2nd 2025 TAP Portugal · TP 231 Depart at 12:00pm from Lisbon (LIS) Fly for 8h 20m Arrive at 3:20pm in Washington, D.C. (IAD)

Book Flight
€482

6:00am - 3:20pm
Tue Jun 10th 2025

14h 20m
London (LHR) → Washington, D.C. (IAD)

1 Stop

Tue Jun 10th 2025 TAP Portugal · TP 1363 Depart at 6:00am from London (LHR) Fly for 2h 40m Arrive at 8:40am in Lisbon (LIS)

Layover in Lisbon for 3h 20m

Tue Jun 10th 2025 TAP Portugal · TP 231 Depart at 12:00pm from Lisbon (LIS) Fly for 8h 20m Arrive at 3:20pm in Washington, D.C. (IAD)

Book Flight
€482

7:05am - 7:59pm
Fri Oct 17th 2025

17h 54m
London (LHR) → Washington, D.C. (IAD)

2 Stops

Fri Oct 17th 2025 SAS · SK 802 Depart at 7:05am from London (LHR) Fly for 2h 5m Arrive at 10:10am in Oslo (OSL)

Layover in Oslo for 3h 25m

Fri Oct 17th 2025 SAS · SK 1469 Depart at 1:35pm from Oslo (OSL) Fly for 1h 10m Arrive at 2:45pm in Copenhagen (CPH)

Layover in Copenhagen for 2h 45m

Fri Oct 17th 2025 SAS · SK 925 Depart at 5:30pm from Copenhagen (CPH) Fly for 8h 29m Arrive at 7:59pm in Washington, D.C. (IAD)

Book Flight
€483

7:35am - 7:05pm
Sat Jun 14th 2025

16h 30m
London (LHR) → Washington, D.C. (IAD)

2 Stops

Sat Jun 14th 2025 British Airways · BA 458 Depart at 7:35am from London (LHR) Fly for 2h 25m Arrive at 11:00am in Madrid (MAD)

Layover in Madrid for 2h 35m

Sat Jun 14th 2025 Royal Air Maroc · AT 973 Depart at 1:35pm from Madrid (MAD) Fly for 1h 50m Arrive at 2:25pm in Casablanca (CMN)

Layover in Casablanca for 1h 40m

Sat Jun 14th 2025 Royal Air Maroc · AT 218 Depart at 4:05pm from Casablanca (CMN) Fly for 8h 0m Arrive at 7:05pm in Washington, D.C. (IAD)

Book Flight
€484

8:00am - 3:20pm
Tue Jun 10th 2025

12h 20m
London (LHR) → Washington, D.C. (IAD)

1 Stop

Tue Jun 10th 2025 TAP Portugal · TP 1351 Depart at 8:00am from London (LHR) Fly for 2h 40m Arrive at 10:40am in Lisbon (LIS)

Layover in Lisbon for 1h 20m

Tue Jun 10th 2025 TAP Portugal · TP 231 Depart at 12:00pm from Lisbon (LIS) Fly for 8h 20m Arrive at 3:20pm in Washington, D.C. (IAD)

Book Flight
€485

6:00am - 3:20pm
Tue Jun 3rd 2025

14h 20m
London (LHR) → Washington, D.C. (IAD)

1 Stop

Tue Jun 3rd 2025 TAP Portugal · TP 1363 Depart at 6:00am from London (LHR) Fly for 2h 40m Arrive at 8:40am in Lisbon (LIS)

Layover in Lisbon for 3h 20m

Tue Jun 3rd 2025 TAP Portugal · TP 231 Depart at 12:00pm from Lisbon (LIS) Fly for 8h 20m Arrive at 3:20pm in Washington, D.C. (IAD)

Book Flight
€485

7:45am - 7:59pm
Fri Oct 17th 2025

17h 14m
London (LHR) → Washington, D.C. (IAD)

2 Stops

Fri Oct 17th 2025 British Airways · BA 760 Depart at 7:45am from London (LHR) Fly for 2h 5m Arrive at 10:50am in Oslo (OSL)

Layover in Oslo for 2h 45m

Fri Oct 17th 2025 SAS · SK 1469 Depart at 1:35pm from Oslo (OSL) Fly for 1h 10m Arrive at 2:45pm in Copenhagen (CPH)

Layover in Copenhagen for 2h 45m

Fri Oct 17th 2025 SAS · SK 925 Depart at 5:30pm from Copenhagen (CPH) Fly for 8h 29m Arrive at 7:59pm in Washington, D.C. (IAD)

Book Flight
€485

7:35am - 7:59pm
Thu Oct 9th 2025

17h 24m
London (LHR) → Washington, D.C. (IAD)

2 Stops

Thu Oct 9th 2025 British Airways · BA 760 Depart at 7:35am from London (LHR) Fly for 2h 5m Arrive at 10:40am in Oslo (OSL)

Layover in Oslo for 4h 5m

Thu Oct 9th 2025 SAS · SK 1471 Depart at 2:45pm from Oslo (OSL) Fly for 1h 10m Arrive at 3:55pm in Copenhagen (CPH)

Layover in Copenhagen for 1h 35m

Thu Oct 9th 2025 SAS · SK 925 Depart at 5:30pm from Copenhagen (CPH) Fly for 8h 29m Arrive at 7:59pm in Washington, D.C. (IAD)

Book Flight
€487

8:00am - 3:20pm
Thu Jun 5th 2025

12h 20m
London (LHR) → Washington, D.C. (IAD)

1 Stop

Thu Jun 5th 2025 TAP Portugal · TP 1351 Depart at 8:00am from London (LHR) Fly for 2h 45m Arrive at 10:45am in Lisbon (LIS)

Layover in Lisbon for 1h 15m

Thu Jun 5th 2025 TAP Portugal · TP 231 Depart at 12:00pm from Lisbon (LIS) Fly for 8h 20m Arrive at 3:20pm in Washington, D.C. (IAD)

Book Flight
€487

6:00am - 3:20pm
Fri May 2nd 2025

14h 20m
London (LHR) → Washington, D.C. (IAD)

1 Stop

Fri May 2nd 2025 TAP Portugal · TP 1363 Depart at 6:00am from London (LHR) Fly for 2h 45m Arrive at 8:45am in Lisbon (LIS)

Layover in Lisbon for 3h 15m

Fri May 2nd 2025 TAP Portugal · TP 231 Depart at 12:00pm from Lisbon (LIS) Fly for 8h 20m Arrive at 3:20pm in Washington, D.C. (IAD)

Book Flight
€487

7:45am - 7:59pm
Fri Oct 10th 2025

17h 14m
London (LHR) → Washington, D.C. (IAD)

2 Stops

Fri Oct 10th 2025 British Airways · BA 760 Depart at 7:45am from London (LHR) Fly for 2h 5m Arrive at 10:50am in Oslo (OSL)

Layover in Oslo for 3h 55m

Fri Oct 10th 2025 SAS · SK 1471 Depart at 2:45pm from Oslo (OSL) Fly for 1h 10m Arrive at 3:55pm in Copenhagen (CPH)

Layover in Copenhagen for 1h 35m

Fri Oct 10th 2025 SAS · SK 925 Depart at 5:30pm from Copenhagen (CPH) Fly for 8h 29m Arrive at 7:59pm in Washington, D.C. (IAD)

Book Flight
€488

8:00am - 3:20pm
Wed May 28th 2025

12h 20m
London (LHR) → Washington, D.C. (IAD)

1 Stop

Wed May 28th 2025 TAP Portugal · TP 1351 Depart at 8:00am from London (LHR) Fly for 2h 45m Arrive at 10:45am in Lisbon (LIS)

Layover in Lisbon for 1h 15m

Wed May 28th 2025 TAP Portugal · TP 231 Depart at 12:00pm from Lisbon (LIS) Fly for 8h 20m Arrive at 3:20pm in Washington, D.C. (IAD)

Book Flight
€488

8:00am - 3:20pm
Tue May 6th 2025

12h 20m
London (LHR) → Washington, D.C. (IAD)

1 Stop

Tue May 6th 2025 TAP Portugal · TP 1351 Depart at 8:00am from London (LHR) Fly for 2h 45m Arrive at 10:45am in Lisbon (LIS)

Layover in Lisbon for 1h 15m

Tue May 6th 2025 TAP Portugal · TP 231 Depart at 12:00pm from Lisbon (LIS) Fly for 8h 20m Arrive at 3:20pm in Washington, D.C. (IAD)

Book Flight
€490

8:00am - 3:20pm
Thu May 29th 2025

12h 20m
London (LHR) → Washington, D.C. (IAD)

1 Stop

Thu May 29th 2025 TAP Portugal · TP 1351 Depart at 8:00am from London (LHR) Fly for 2h 45m Arrive at 10:45am in Lisbon (LIS)

Layover in Lisbon for 1h 15m

Thu May 29th 2025 TAP Portugal · TP 231 Depart at 12:00pm from Lisbon (LIS) Fly for 8h 20m Arrive at 3:20pm in Washington, D.C. (IAD)

Book Flight
€490

11:20am - 8:50pm
Wed May 7th 2025

14h 30m
London (LHR) → Washington, D.C. (IAD)

1 Stop

Wed May 7th 2025 TAP Portugal · TP 1367 Depart at 11:20am from London (LHR) Fly for 2h 40m Arrive at 2:00pm in Lisbon (LIS)

Layover in Lisbon for 3h 30m

Wed May 7th 2025 TAP Portugal · TP 233 Depart at 5:30pm from Lisbon (LIS) Fly for 8h 20m Arrive at 8:50pm in Washington, D.C. (IAD)

Book Flight
€490

11:20am - 8:50pm
Thu May 8th 2025

14h 30m
London (LHR) → Washington, D.C. (IAD)

1 Stop

Thu May 8th 2025 TAP Portugal · TP 1367 Depart at 11:20am from London (LHR) Fly for 2h 40m Arrive at 2:00pm in Lisbon (LIS)

Layover in Lisbon for 3h 30m

Thu May 8th 2025 TAP Portugal · TP 233 Depart at 5:30pm from Lisbon (LIS) Fly for 8h 20m Arrive at 8:50pm in Washington, D.C. (IAD)

Book Flight
€496

6:00am - 3:20pm
Wed Jun 4th 2025

14h 20m
London (LHR) → Washington, D.C. (IAD)

1 Stop

Wed Jun 4th 2025 TAP Portugal · TP 1363 Depart at 6:00am from London (LHR) Fly for 2h 45m Arrive at 8:45am in Lisbon (LIS)

Layover in Lisbon for 3h 15m

Wed Jun 4th 2025 TAP Portugal · TP 231 Depart at 12:00pm from Lisbon (LIS) Fly for 8h 20m Arrive at 3:20pm in Washington, D.C. (IAD)

Book Flight
€503

9:50am - 7:59pm
Wed Oct 1st 2025

15h 9m
London (LHR) → Washington, D.C. (IAD)

2 Stops

Wed Oct 1st 2025 British Airways · BA 790 Depart at 9:50am from London (LHR) Fly for 1h 55m Arrive at 12:45pm in Gothenburg (GOT)

Layover in Gothenburg for 2h 40m

Wed Oct 1st 2025 SAS · SK 431 Depart at 3:25pm from Gothenburg (GOT) Fly for 0h 50m Arrive at 4:15pm in Copenhagen (CPH)

Layover in Copenhagen for 1h 15m

Wed Oct 1st 2025 SAS · SK 925 Depart at 5:30pm from Copenhagen (CPH) Fly for 8h 29m Arrive at 7:59pm in Washington, D.C. (IAD)

Book Flight
€508

6:00am - 3:20pm
Wed Jun 25th 2025

14h 20m
London (LHR) → Washington, D.C. (IAD)

1 Stop

Wed Jun 25th 2025 TAP Portugal · TP 1363 Depart at 6:00am from London (LHR) Fly for 2h 45m Arrive at 8:45am in Lisbon (LIS)

Layover in Lisbon for 3h 15m

Wed Jun 25th 2025 TAP Portugal · TP 231 Depart at 12:00pm from Lisbon (LIS) Fly for 8h 20m Arrive at 3:20pm in Washington, D.C. (IAD)

Book Flight
€508

6:00am - 3:20pm
Wed Jun 18th 2025

14h 20m
London (LHR) → Washington, D.C. (IAD)

1 Stop

Wed Jun 18th 2025 TAP Portugal · TP 1363 Depart at 6:00am from London (LHR) Fly for 2h 45m Arrive at 8:45am in Lisbon (LIS)

Layover in Lisbon for 3h 15m

Wed Jun 18th 2025 TAP Portugal · TP 231 Depart at 12:00pm from Lisbon (LIS) Fly for 8h 20m Arrive at 3:20pm in Washington, D.C. (IAD)

Book Flight
€508

6:00am - 3:20pm
Wed Jun 11th 2025

14h 20m
London (LHR) → Washington, D.C. (IAD)

1 Stop

Wed Jun 11th 2025 TAP Portugal · TP 1363 Depart at 6:00am from London (LHR) Fly for 2h 45m Arrive at 8:45am in Lisbon (LIS)

Layover in Lisbon for 3h 15m

Wed Jun 11th 2025 TAP Portugal · TP 231 Depart at 12:00pm from Lisbon (LIS) Fly for 8h 20m Arrive at 3:20pm in Washington, D.C. (IAD)

Book Flight
€508

6:00am - 3:20pm
Mon Jun 9th 2025

14h 20m
London (LHR) → Washington, D.C. (IAD)

1 Stop

Mon Jun 9th 2025 TAP Portugal · TP 1363 Depart at 6:00am from London (LHR) Fly for 2h 45m Arrive at 8:45am in Lisbon (LIS)

Layover in Lisbon for 3h 15m

Mon Jun 9th 2025 TAP Portugal · TP 231 Depart at 12:00pm from Lisbon (LIS) Fly for 8h 20m Arrive at 3:20pm in Washington, D.C. (IAD)

Book Flight
€511

6:00am - 3:20pm
Mon Jun 16th 2025

14h 20m
London (LHR) → Washington, D.C. (IAD)

1 Stop

Mon Jun 16th 2025 TAP Portugal · TP 1363 Depart at 6:00am from London (LHR) Fly for 2h 45m Arrive at 8:45am in Lisbon (LIS)

Layover in Lisbon for 3h 15m

Mon Jun 16th 2025 TAP Portugal · TP 231 Depart at 12:00pm from Lisbon (LIS) Fly for 8h 20m Arrive at 3:20pm in Washington, D.C. (IAD)

Book Flight
€521

8:00am - 3:20pm
Wed Jun 11th 2025

12h 20m
London (LHR) → Washington, D.C. (IAD)

1 Stop

Wed Jun 11th 2025 TAP Portugal · TP 1351 Depart at 8:00am from London (LHR) Fly for 2h 45m Arrive at 10:45am in Lisbon (LIS)

Layover in Lisbon for 1h 15m

Wed Jun 11th 2025 TAP Portugal · TP 231 Depart at 12:00pm from Lisbon (LIS) Fly for 8h 20m Arrive at 3:20pm in Washington, D.C. (IAD)

Book Flight
€524

8:00am - 3:20pm
Thu Jun 12th 2025

12h 20m
London (LHR) → Washington, D.C. (IAD)

1 Stop

Thu Jun 12th 2025 TAP Portugal · TP 1351 Depart at 8:00am from London (LHR) Fly for 2h 45m Arrive at 10:45am in Lisbon (LIS)

Layover in Lisbon for 1h 15m

Thu Jun 12th 2025 TAP Portugal · TP 231 Depart at 12:00pm from Lisbon (LIS) Fly for 8h 20m Arrive at 3:20pm in Washington, D.C. (IAD)

Book Flight
€524

11:20am - 8:50pm
Thu Jun 12th 2025

14h 30m
London (LHR) → Washington, D.C. (IAD)

1 Stop

Thu Jun 12th 2025 TAP Portugal · TP 1367 Depart at 11:20am from London (LHR) Fly for 2h 40m Arrive at 2:00pm in Lisbon (LIS)

Layover in Lisbon for 3h 30m

Thu Jun 12th 2025 TAP Portugal · TP 233 Depart at 5:30pm from Lisbon (LIS) Fly for 8h 20m Arrive at 8:50pm in Washington, D.C. (IAD)

Book Flight
€533

8:00am - 3:20pm
Thu May 1st 2025

12h 20m
London (LHR) → Washington, D.C. (IAD)

1 Stop

Thu May 1st 2025 TAP Portugal · TP 1351 Depart at 8:00am from London (LHR) Fly for 2h 45m Arrive at 10:45am in Lisbon (LIS)

Layover in Lisbon for 1h 15m

Thu May 1st 2025 TAP Portugal · TP 231 Depart at 12:00pm from Lisbon (LIS) Fly for 8h 20m Arrive at 3:20pm in Washington, D.C. (IAD)

Book Flight
€533

8:00am - 8:50pm
Thu May 1st 2025

17h 50m
London (LHR) → Washington, D.C. (IAD)

1 Stop

Thu May 1st 2025 TAP Portugal · TP 1351 Depart at 8:00am from London (LHR) Fly for 2h 45m Arrive at 10:45am in Lisbon (LIS)

Layover in Lisbon for 6h 45m

Thu May 1st 2025 TAP Portugal · TP 233 Depart at 5:30pm from Lisbon (LIS) Fly for 8h 20m Arrive at 8:50pm in Washington, D.C. (IAD)

Book Flight
€541

12:15pm - 3:25pm
Sat May 10th 2025

8h 10m
London (LHR) → Washington, D.C. (IAD)

Direct

Sat May 10th 2025 United Airlines · UA 919 Depart at 12:15pm from London (LHR) Fly for 8h 10m Arrive at 3:25pm in Washington, D.C. (IAD)

Book Flight
€583

6:45pm - 3:20pm
Thu May 1st 2025

25h 35m
London (LHR) → Washington, D.C. (IAD)

1 Stop

Thu May 1st 2025 TAP Portugal · TP 1357 Depart at 6:45pm from London (LHR) Fly for 2h 45m Arrive at 9:30pm in Lisbon (LIS)

Layover in Lisbon for 14h 30m

Fri May 2nd 2025 TAP Portugal · TP 231 Depart at 12:00pm from Lisbon (LIS) Fly for 8h 20m Arrive at 3:20pm in Washington, D.C. (IAD)

Book Flight
€646

8:00am - 8:50pm
Fri May 2nd 2025

17h 50m
London (LHR) → Washington, D.C. (IAD)

1 Stop

Fri May 2nd 2025 TAP Portugal · TP 1351 Depart at 8:00am from London (LHR) Fly for 2h 45m Arrive at 10:45am in Lisbon (LIS)

Layover in Lisbon for 6h 45m

Fri May 2nd 2025 TAP Portugal · TP 233 Depart at 5:30pm from Lisbon (LIS) Fly for 8h 20m Arrive at 8:50pm in Washington, D.C. (IAD)

Book Flight
€646

6:00am - 8:50pm
Fri May 2nd 2025

19h 50m
London (LHR) → Washington, D.C. (IAD)

1 Stop

Fri May 2nd 2025 TAP Portugal · TP 1363 Depart at 6:00am from London (LHR) Fly for 2h 45m Arrive at 8:45am in Lisbon (LIS)

Layover in Lisbon for 8h 45m

Fri May 2nd 2025 TAP Portugal · TP 233 Depart at 5:30pm from Lisbon (LIS) Fly for 8h 20m Arrive at 8:50pm in Washington, D.C. (IAD)

Book Flight
€656

8:00am - 3:20pm
Thu Apr 24th 2025

12h 20m
London (LHR) → Washington, D.C. (IAD)

1 Stop

Thu Apr 24th 2025 TAP Portugal · TP 1351 Depart at 8:00am from London (LHR) Fly for 2h 45m Arrive at 10:45am in Lisbon (LIS)

Layover in Lisbon for 1h 15m

Thu Apr 24th 2025 TAP Portugal · TP 231 Depart at 12:00pm from Lisbon (LIS) Fly for 8h 20m Arrive at 3:20pm in Washington, D.C. (IAD)

Book Flight
€656

11:20am - 8:50pm
Thu Apr 24th 2025

14h 30m
London (LHR) → Washington, D.C. (IAD)

1 Stop

Thu Apr 24th 2025 TAP Portugal · TP 1367 Depart at 11:20am from London (LHR) Fly for 2h 40m Arrive at 2:00pm in Lisbon (LIS)

Layover in Lisbon for 3h 30m

Thu Apr 24th 2025 TAP Portugal · TP 233 Depart at 5:30pm from Lisbon (LIS) Fly for 8h 20m Arrive at 8:50pm in Washington, D.C. (IAD)

Book Flight
€656

8:00am - 8:50pm
Thu Apr 24th 2025

17h 50m
London (LHR) → Washington, D.C. (IAD)

1 Stop

Thu Apr 24th 2025 TAP Portugal · TP 1351 Depart at 8:00am from London (LHR) Fly for 2h 45m Arrive at 10:45am in Lisbon (LIS)

Layover in Lisbon for 6h 45m

Thu Apr 24th 2025 TAP Portugal · TP 233 Depart at 5:30pm from Lisbon (LIS) Fly for 8h 20m Arrive at 8:50pm in Washington, D.C. (IAD)

Book Flight
€658

8:00am - 3:20pm
Fri Apr 25th 2025

12h 20m
London (LHR) → Washington, D.C. (IAD)

1 Stop

Fri Apr 25th 2025 TAP Portugal · TP 1351 Depart at 8:00am from London (LHR) Fly for 2h 45m Arrive at 10:45am in Lisbon (LIS)

Layover in Lisbon for 1h 15m

Fri Apr 25th 2025 TAP Portugal · TP 231 Depart at 12:00pm from Lisbon (LIS) Fly for 8h 20m Arrive at 3:20pm in Washington, D.C. (IAD)

Book Flight
€658

12:00pm - 8:50pm
Fri Apr 25th 2025

13h 50m
London (LHR) → Washington, D.C. (IAD)

1 Stop

Fri Apr 25th 2025 TAP Portugal · TP 1367 Depart at 12:00pm from London (LHR) Fly for 2h 45m Arrive at 2:45pm in Lisbon (LIS)

Layover in Lisbon for 2h 45m

Fri Apr 25th 2025 TAP Portugal · TP 233 Depart at 5:30pm from Lisbon (LIS) Fly for 8h 20m Arrive at 8:50pm in Washington, D.C. (IAD)

Book Flight
€658

6:00am - 3:20pm
Fri Apr 25th 2025

14h 20m
London (LHR) → Washington, D.C. (IAD)

1 Stop

Fri Apr 25th 2025 TAP Portugal · TP 1363 Depart at 6:00am from London (LHR) Fly for 2h 45m Arrive at 8:45am in Lisbon (LIS)

Layover in Lisbon for 3h 15m

Fri Apr 25th 2025 TAP Portugal · TP 231 Depart at 12:00pm from Lisbon (LIS) Fly for 8h 20m Arrive at 3:20pm in Washington, D.C. (IAD)

Book Flight
€658

11:20am - 8:50pm
Mon Apr 28th 2025

14h 30m
London (LHR) → Washington, D.C. (IAD)

1 Stop

Mon Apr 28th 2025 TAP Portugal · TP 1367 Depart at 11:20am from London (LHR) Fly for 2h 45m Arrive at 2:05pm in Lisbon (LIS)

Layover in Lisbon for 3h 25m

Mon Apr 28th 2025 TAP Portugal · TP 233 Depart at 5:30pm from Lisbon (LIS) Fly for 8h 20m Arrive at 8:50pm in Washington, D.C. (IAD)

Book Flight
€658

8:00am - 8:50pm
Mon Apr 28th 2025

17h 50m
London (LHR) → Washington, D.C. (IAD)

1 Stop

Mon Apr 28th 2025 TAP Portugal · TP 1351 Depart at 8:00am from London (LHR) Fly for 2h 45m Arrive at 10:45am in Lisbon (LIS)

Layover in Lisbon for 6h 45m

Mon Apr 28th 2025 TAP Portugal · TP 233 Depart at 5:30pm from Lisbon (LIS) Fly for 8h 20m Arrive at 8:50pm in Washington, D.C. (IAD)

Book Flight
€658

8:00am - 8:50pm
Fri Apr 25th 2025

17h 50m
London (LHR) → Washington, D.C. (IAD)

1 Stop

Fri Apr 25th 2025 TAP Portugal · TP 1351 Depart at 8:00am from London (LHR) Fly for 2h 45m Arrive at 10:45am in Lisbon (LIS)

Layover in Lisbon for 6h 45m

Fri Apr 25th 2025 TAP Portugal · TP 233 Depart at 5:30pm from Lisbon (LIS) Fly for 8h 20m Arrive at 8:50pm in Washington, D.C. (IAD)

Book Flight
€658

6:00am - 8:50pm
Fri Apr 25th 2025

19h 50m
London (LHR) → Washington, D.C. (IAD)

1 Stop

Fri Apr 25th 2025 TAP Portugal · TP 1363 Depart at 6:00am from London (LHR) Fly for 2h 45m Arrive at 8:45am in Lisbon (LIS)

Layover in Lisbon for 8h 45m

Fri Apr 25th 2025 TAP Portugal · TP 233 Depart at 5:30pm from Lisbon (LIS) Fly for 8h 20m Arrive at 8:50pm in Washington, D.C. (IAD)

Book Flight
€768

2:30pm - 5:30pm
Mon May 5th 2025

8h 0m
London (LHR) → Washington, D.C. (IAD)

Direct

Mon May 5th 2025 British Airways · BA 291 Depart at 2:30pm from London (LHR) Fly for 8h 0m Arrive at 5:30pm in Washington, D.C. (IAD)

Book Flight
€768

2:25pm - 5:25pm
Sun May 4th 2025

8h 0m
London (LHR) → Washington, D.C. (IAD)

Direct

Sun May 4th 2025 British Airways · BA 291 Depart at 2:25pm from London (LHR) Fly for 8h 0m Arrive at 5:25pm in Washington, D.C. (IAD)

Book Flight
€768

12:45pm - 3:45pm
Fri May 9th 2025

8h 0m
London (LHR) → Washington, D.C. (IAD)

Direct

Fri May 9th 2025 British Airways · BA 217 Depart at 12:45pm from London (LHR) Fly for 8h 0m Arrive at 3:45pm in Washington, D.C. (IAD)

Book Flight
€2569

12:40pm - 3:40pm
Sat May 3rd 2025

8h 0m
London (LHR) → Washington, D.C. (IAD)

Direct

Sat May 3rd 2025 British Airways · BA 217 Depart at 12:40pm from London (LHR) Fly for 8h 0m Arrive at 3:40pm in Washington, D.C. (IAD)

Book Flight
€2618

12:45pm - 3:45pm
Thu May 1st 2025

8h 0m
London (LHR) → Washington, D.C. (IAD)

Direct

Thu May 1st 2025 British Airways · BA 217 Depart at 12:45pm from London (LHR) Fly for 8h 0m Arrive at 3:45pm in Washington, D.C. (IAD)

Book Flight
€2618

2:30pm - 5:30pm
Thu May 1st 2025

8h 0m
London (LHR) → Washington, D.C. (IAD)

Direct

Thu May 1st 2025 British Airways · BA 291 Depart at 2:30pm from London (LHR) Fly for 8h 0m Arrive at 5:30pm in Washington, D.C. (IAD)

Book Flight

Sarah Belizaire

@sarahbb1

Have flexible travel plans or looking for alternative routes given the chaos? Check out all the connection possibilities via a super helpful site created by @ismaelyws flightlist.io thanks to @andy_travels for the recommendation #travel #flights

John Ford

@eyupitsjohn

There seem to be lots of sites launching at the moment that promise to find you cheap flights but not many have the professional finish of Flightlist by @ismaelyws #travel #flights

Roaming Sonaa

@roamingsonaa

For people wanting to maximize their trips, Flightlist is my newest travel hack for uncovering the coolest routes at irresistible prices. No stress, no annoying ads — just seamless flight booking with amazing functionality. It's designed for remote workers, backpackers, and people living abroad.

Read Sonaa's 7 Amazing Skyscanner Alternatives for Booking Travel

ANDY TRAVELS

@andy_travels

@ismaelyws Just tried out Flightlist for the first time. Really nice idea, well made, and just what I need at the moment 👍

Travel With Bender

@travelwitbender

Did you spot my recent article about how to score cheap one way flights? ✈️ FlightList is my new secret tool for discovering cheap routes, within a departure date range. Plus you can also search by country/region for departures & destinations. Powerful! 💪

Read Josh's Ultimate Guide To Find Cheap One Way Flights

Wesley Mergard

@travel.with.wes

One useful tool I've found for evaluating different departure and return dates is called FlightList.io. You can quickly scan different travel date ranges, carriers and one way flight options to easily determine the cheapest flight combinations for your trip.

Read Wesley's My Best Cheap Flight Hacks (Why Pay More?)

Cheap Flights from London to Washington (LHR to IAD)

Sarah Belizaire

John Ford

Roaming Sonaa

ANDY TRAVELS

Travel With Bender

Wesley Mergard

Latest Cheap Flight Searches

FlightList Blog

Flightlist Interviews 7 Travel Experts On Why They Book One Way Flights

Why I Built FlightList & Solved My Own Problem

About FlightList