Cheap Flights from Philadelphia to Lisbon (PHL to LIS)

Discover more affordable routes and cheaper dates from Philadelphia to Lisbon (PHL to LIS) within a date range.

⭐ Search by country or region to discover more affordable routes, like Netherlands → Italy or Europe → South East Asia.

Results Quantity

Cabin Bags

Checked Bags

Max Budget

US$

Max Duration

Hours

Max Layover

Hours

Departure Time

Connections

Select Airlines

Loading…

US$435

5:36pm - 1:55pm
Sun Jul 20th 2025

15h 19m
Philadelphia (PHL) → Lisbon (LIS)

1 Stop

Sun Jul 20th 2025 Frontier Airlines · F9 1203 Depart at 5:36pm from Philadelphia (PHL) Fly for 3h 2m Arrive at 8:38pm in Miami (MIA)

Layover in Miami for 3h 57m

Mon Jul 21st 2025 TAP Portugal · TP 226 Depart at 12:35am from Miami (MIA) Fly for 8h 20m Arrive at 1:55pm in Lisbon (LIS)

Book Flight
US$435

5:36pm - 1:55pm
Sun Aug 10th 2025

15h 19m
Philadelphia (PHL) → Lisbon (LIS)

1 Stop

Sun Aug 10th 2025 Frontier Airlines · F9 1203 Depart at 5:36pm from Philadelphia (PHL) Fly for 3h 2m Arrive at 8:38pm in Miami (MIA)

Layover in Miami for 3h 57m

Mon Aug 11th 2025 TAP Portugal · TP 226 Depart at 12:35am from Miami (MIA) Fly for 8h 20m Arrive at 1:55pm in Lisbon (LIS)

Book Flight
US$435

5:36pm - 5:50am
Mon Jul 21st 2025

31h 14m
Philadelphia (PHL) → Lisbon (LIS)

1 Stop

Mon Jul 21st 2025 Frontier Airlines · F9 1203 Depart at 5:36pm from Philadelphia (PHL) Fly for 3h 2m Arrive at 8:38pm in Miami (MIA)

Layover in Miami for 19h 52m

Tue Jul 22nd 2025 TAP Portugal · TP 224 Depart at 4:30pm from Miami (MIA) Fly for 8h 20m Arrive at 5:50am in Lisbon (LIS)

Book Flight
US$436

5:36pm - 5:50am
Mon Aug 4th 2025

31h 14m
Philadelphia (PHL) → Lisbon (LIS)

1 Stop

Mon Aug 4th 2025 Frontier Airlines · F9 1203 Depart at 5:36pm from Philadelphia (PHL) Fly for 3h 2m Arrive at 8:38pm in Miami (MIA)

Layover in Miami for 19h 52m

Tue Aug 5th 2025 TAP Portugal · TP 224 Depart at 4:30pm from Miami (MIA) Fly for 8h 20m Arrive at 5:50am in Lisbon (LIS)

Book Flight
US$444

5:36pm - 5:50am
Mon Aug 11th 2025

31h 14m
Philadelphia (PHL) → Lisbon (LIS)

1 Stop

Mon Aug 11th 2025 Frontier Airlines · F9 1203 Depart at 5:36pm from Philadelphia (PHL) Fly for 3h 2m Arrive at 8:38pm in Miami (MIA)

Layover in Miami for 19h 52m

Tue Aug 12th 2025 TAP Portugal · TP 224 Depart at 4:30pm from Miami (MIA) Fly for 8h 20m Arrive at 5:50am in Lisbon (LIS)

Book Flight
US$445

5:36pm - 1:55pm
Sun Jul 27th 2025

15h 19m
Philadelphia (PHL) → Lisbon (LIS)

1 Stop

Sun Jul 27th 2025 Frontier Airlines · F9 1203 Depart at 5:36pm from Philadelphia (PHL) Fly for 3h 2m Arrive at 8:38pm in Miami (MIA)

Layover in Miami for 3h 57m

Mon Jul 28th 2025 TAP Portugal · TP 226 Depart at 12:35am from Miami (MIA) Fly for 8h 20m Arrive at 1:55pm in Lisbon (LIS)

Book Flight
US$446

6:30am - 5:40am
Tue Aug 12th 2025

18h 10m
Philadelphia (PHL) → Lisbon (LIS)

1 Stop

Tue Aug 12th 2025 Frontier Airlines · F9 2168 Depart at 6:30am from Philadelphia (PHL) Fly for 1h 29m Arrive at 7:59am in Boston (BOS)

Layover in Boston for 10h 11m

Tue Aug 12th 2025 TAP Portugal · TP 218 Depart at 6:10pm from Boston (BOS) Fly for 6h 30m Arrive at 5:40am in Lisbon (LIS)

Book Flight
US$452

5:48pm - 8:15am
Fri Jul 25th 2025

33h 27m
Philadelphia (PHL) → Lisbon (LIS)

1 Stop

Fri Jul 25th 2025 Frontier Airlines · F9 2111 Depart at 5:48pm from Philadelphia (PHL) Fly for 2h 39m Arrive at 7:27pm in Chicago (ORD)

Layover in Chicago for 22h 48m

Sat Jul 26th 2025 TAP Portugal · TP 244 Depart at 6:15pm from Chicago (ORD) Fly for 8h 0m Arrive at 8:15am in Lisbon (LIS)

Book Flight
US$453

6:35pm - 10:10am
Mon Aug 11th 2025

10h 35m
Philadelphia (PHL) → Lisbon (LIS)

1 Stop

Mon Aug 11th 2025 TAP Portugal · TP 4350 Depart at 6:35pm from Philadelphia (PHL) Fly for 1h 34m Arrive at 8:09pm in Boston (BOS)

Layover in Boston for 2h 31m

Mon Aug 11th 2025 TAP Portugal · TP 216 Depart at 10:40pm from Boston (BOS) Fly for 6h 30m Arrive at 10:10am in Lisbon (LIS)

Book Flight
US$454

6:35pm - 10:10am
Tue Jul 29th 2025

10h 35m
Philadelphia (PHL) → Lisbon (LIS)

1 Stop

Tue Jul 29th 2025 TAP Portugal · TP 4350 Depart at 6:35pm from Philadelphia (PHL) Fly for 1h 34m Arrive at 8:09pm in Boston (BOS)

Layover in Boston for 2h 31m

Tue Jul 29th 2025 TAP Portugal · TP 216 Depart at 10:40pm from Boston (BOS) Fly for 6h 30m Arrive at 10:10am in Lisbon (LIS)

Book Flight
US$454

6:35pm - 10:10am
Wed Aug 13th 2025

10h 35m
Philadelphia (PHL) → Lisbon (LIS)

1 Stop

Wed Aug 13th 2025 TAP Portugal · TP 4350 Depart at 6:35pm from Philadelphia (PHL) Fly for 1h 34m Arrive at 8:09pm in Boston (BOS)

Layover in Boston for 2h 31m

Wed Aug 13th 2025 TAP Portugal · TP 216 Depart at 10:40pm from Boston (BOS) Fly for 6h 30m Arrive at 10:10am in Lisbon (LIS)

Book Flight
US$454

6:35pm - 10:10am
Mon Jul 28th 2025

10h 35m
Philadelphia (PHL) → Lisbon (LIS)

1 Stop

Mon Jul 28th 2025 TAP Portugal · TP 4350 Depart at 6:35pm from Philadelphia (PHL) Fly for 1h 34m Arrive at 8:09pm in Boston (BOS)

Layover in Boston for 2h 31m

Mon Jul 28th 2025 TAP Portugal · TP 216 Depart at 10:40pm from Boston (BOS) Fly for 6h 30m Arrive at 10:10am in Lisbon (LIS)

Book Flight
US$454

6:35pm - 10:10am
Mon Aug 4th 2025

10h 35m
Philadelphia (PHL) → Lisbon (LIS)

1 Stop

Mon Aug 4th 2025 TAP Portugal · TP 4350 Depart at 6:35pm from Philadelphia (PHL) Fly for 1h 34m Arrive at 8:09pm in Boston (BOS)

Layover in Boston for 2h 31m

Mon Aug 4th 2025 TAP Portugal · TP 216 Depart at 10:40pm from Boston (BOS) Fly for 6h 30m Arrive at 10:10am in Lisbon (LIS)

Book Flight
US$454

6:35pm - 10:10am
Tue Aug 12th 2025

10h 35m
Philadelphia (PHL) → Lisbon (LIS)

1 Stop

Tue Aug 12th 2025 TAP Portugal · TP 4350 Depart at 6:35pm from Philadelphia (PHL) Fly for 1h 34m Arrive at 8:09pm in Boston (BOS)

Layover in Boston for 2h 31m

Tue Aug 12th 2025 TAP Portugal · TP 216 Depart at 10:40pm from Boston (BOS) Fly for 6h 30m Arrive at 10:10am in Lisbon (LIS)

Book Flight
US$454

6:35pm - 10:10am
Tue Aug 19th 2025

10h 35m
Philadelphia (PHL) → Lisbon (LIS)

1 Stop

Tue Aug 19th 2025 TAP Portugal · TP 4350 Depart at 6:35pm from Philadelphia (PHL) Fly for 1h 34m Arrive at 8:09pm in Boston (BOS)

Layover in Boston for 2h 31m

Tue Aug 19th 2025 TAP Portugal · TP 216 Depart at 10:40pm from Boston (BOS) Fly for 6h 30m Arrive at 10:10am in Lisbon (LIS)

Book Flight
US$454

10:25am - 5:40am
Wed Aug 6th 2025

14h 15m
Philadelphia (PHL) → Lisbon (LIS)

1 Stop

Wed Aug 6th 2025 TAP Portugal · TP 4352 Depart at 10:25am from Philadelphia (PHL) Fly for 1h 24m Arrive at 11:49am in Boston (BOS)

Layover in Boston for 6h 21m

Wed Aug 6th 2025 TAP Portugal · TP 218 Depart at 6:10pm from Boston (BOS) Fly for 6h 30m Arrive at 5:40am in Lisbon (LIS)

Book Flight
US$454

10:25am - 5:40am
Mon Aug 18th 2025

14h 15m
Philadelphia (PHL) → Lisbon (LIS)

1 Stop

Mon Aug 18th 2025 TAP Portugal · TP 4352 Depart at 10:25am from Philadelphia (PHL) Fly for 1h 24m Arrive at 11:49am in Boston (BOS)

Layover in Boston for 6h 21m

Mon Aug 18th 2025 TAP Portugal · TP 218 Depart at 6:10pm from Boston (BOS) Fly for 6h 30m Arrive at 5:40am in Lisbon (LIS)

Book Flight
US$454

10:25am - 5:40am
Wed Aug 20th 2025

14h 15m
Philadelphia (PHL) → Lisbon (LIS)

1 Stop

Wed Aug 20th 2025 TAP Portugal · TP 4352 Depart at 10:25am from Philadelphia (PHL) Fly for 1h 24m Arrive at 11:49am in Boston (BOS)

Layover in Boston for 6h 21m

Wed Aug 20th 2025 TAP Portugal · TP 218 Depart at 6:10pm from Boston (BOS) Fly for 6h 30m Arrive at 5:40am in Lisbon (LIS)

Book Flight
US$454

10:25am - 5:40am
Tue Aug 12th 2025

14h 15m
Philadelphia (PHL) → Lisbon (LIS)

1 Stop

Tue Aug 12th 2025 TAP Portugal · TP 4352 Depart at 10:25am from Philadelphia (PHL) Fly for 1h 24m Arrive at 11:49am in Boston (BOS)

Layover in Boston for 6h 21m

Tue Aug 12th 2025 TAP Portugal · TP 218 Depart at 6:10pm from Boston (BOS) Fly for 6h 30m Arrive at 5:40am in Lisbon (LIS)

Book Flight
US$454

10:25am - 5:40am
Wed Aug 13th 2025

14h 15m
Philadelphia (PHL) → Lisbon (LIS)

1 Stop

Wed Aug 13th 2025 TAP Portugal · TP 4352 Depart at 10:25am from Philadelphia (PHL) Fly for 1h 24m Arrive at 11:49am in Boston (BOS)

Layover in Boston for 6h 21m

Wed Aug 13th 2025 TAP Portugal · TP 218 Depart at 6:10pm from Boston (BOS) Fly for 6h 30m Arrive at 5:40am in Lisbon (LIS)

Book Flight
US$454

10:25am - 6:05am
Tue Jul 22nd 2025

14h 40m
Philadelphia (PHL) → Lisbon (LIS)

1 Stop

Tue Jul 22nd 2025 TAP Portugal · TP 4352 Depart at 10:25am from Philadelphia (PHL) Fly for 1h 24m Arrive at 11:49am in Boston (BOS)

Layover in Boston for 6h 46m

Tue Jul 22nd 2025 TAP Portugal · TP 218 Depart at 6:35pm from Boston (BOS) Fly for 6h 30m Arrive at 6:05am in Lisbon (LIS)

Book Flight
US$454

10:25am - 10:10am
Mon Jul 21st 2025

18h 45m
Philadelphia (PHL) → Lisbon (LIS)

1 Stop

Mon Jul 21st 2025 TAP Portugal · TP 4352 Depart at 10:25am from Philadelphia (PHL) Fly for 1h 24m Arrive at 11:49am in Boston (BOS)

Layover in Boston for 10h 51m

Mon Jul 21st 2025 TAP Portugal · TP 216 Depart at 10:40pm from Boston (BOS) Fly for 6h 30m Arrive at 10:10am in Lisbon (LIS)

Book Flight
US$457

6:30am - 6:05am
Tue Jul 22nd 2025

18h 35m
Philadelphia (PHL) → Lisbon (LIS)

1 Stop

Tue Jul 22nd 2025 Frontier Airlines · F9 2168 Depart at 6:30am from Philadelphia (PHL) Fly for 1h 29m Arrive at 7:59am in Boston (BOS)

Layover in Boston for 10h 36m

Tue Jul 22nd 2025 TAP Portugal · TP 218 Depart at 6:35pm from Boston (BOS) Fly for 6h 30m Arrive at 6:05am in Lisbon (LIS)

Book Flight
US$459

6:30am - 5:40am
Sun Aug 17th 2025

18h 10m
Philadelphia (PHL) → Lisbon (LIS)

1 Stop

Sun Aug 17th 2025 Frontier Airlines · F9 2168 Depart at 6:30am from Philadelphia (PHL) Fly for 1h 29m Arrive at 7:59am in Boston (BOS)

Layover in Boston for 10h 11m

Sun Aug 17th 2025 TAP Portugal · TP 218 Depart at 6:10pm from Boston (BOS) Fly for 6h 30m Arrive at 5:40am in Lisbon (LIS)

Book Flight
US$459

6:30am - 9:50am
Sun Aug 10th 2025

22h 20m
Philadelphia (PHL) → Lisbon (LIS)

1 Stop

Sun Aug 10th 2025 Frontier Airlines · F9 2168 Depart at 6:30am from Philadelphia (PHL) Fly for 1h 29m Arrive at 7:59am in Boston (BOS)

Layover in Boston for 14h 21m

Sun Aug 10th 2025 TAP Portugal · TP 216 Depart at 10:20pm from Boston (BOS) Fly for 6h 30m Arrive at 9:50am in Lisbon (LIS)

Book Flight
US$469

5:36pm - 1:55pm
Sun Jul 13th 2025

15h 19m
Philadelphia (PHL) → Lisbon (LIS)

1 Stop

Sun Jul 13th 2025 Frontier Airlines · F9 1203 Depart at 5:36pm from Philadelphia (PHL) Fly for 3h 2m Arrive at 8:38pm in Miami (MIA)

Layover in Miami for 3h 57m

Mon Jul 14th 2025 TAP Portugal · TP 226 Depart at 12:35am from Miami (MIA) Fly for 8h 20m Arrive at 1:55pm in Lisbon (LIS)

Book Flight
US$471

5:45am - 8:00am
Sun Aug 3rd 2025

21h 15m
Philadelphia (PHL) → Lisbon (LIS)

1 Stop

Sun Aug 3rd 2025 Frontier Airlines · F9 2111 Depart at 5:45am from Philadelphia (PHL) Fly for 2h 30m Arrive at 7:15am in Chicago (ORD)

Layover in Chicago for 10h 45m

Sun Aug 3rd 2025 TAP Portugal · TP 244 Depart at 6:00pm from Chicago (ORD) Fly for 8h 0m Arrive at 8:00am in Lisbon (LIS)

Book Flight
US$472

6:45am - 5:50am
Mon Aug 4th 2025

18h 5m
Philadelphia (PHL) → Lisbon (LIS)

1 Stop

Mon Aug 4th 2025 Spirit Airlines · NK 3149 Depart at 6:45am from Philadelphia (PHL) Fly for 2h 59m Arrive at 9:44am in Miami (MIA)

Layover in Miami for 6h 51m

Mon Aug 4th 2025 TAP Portugal · TP 224 Depart at 4:35pm from Miami (MIA) Fly for 8h 15m Arrive at 5:50am in Lisbon (LIS)

Book Flight
US$472

6:45am - 5:50am
Mon Jul 28th 2025

18h 5m
Philadelphia (PHL) → Lisbon (LIS)

1 Stop

Mon Jul 28th 2025 Spirit Airlines · NK 3149 Depart at 6:45am from Philadelphia (PHL) Fly for 2h 59m Arrive at 9:44am in Miami (MIA)

Layover in Miami for 6h 51m

Mon Jul 28th 2025 TAP Portugal · TP 224 Depart at 4:35pm from Miami (MIA) Fly for 8h 15m Arrive at 5:50am in Lisbon (LIS)

Book Flight
US$474

6:30am - 10:10am
Tue Jul 15th 2025

22h 40m
Philadelphia (PHL) → Lisbon (LIS)

1 Stop

Tue Jul 15th 2025 Frontier Airlines · F9 2168 Depart at 6:30am from Philadelphia (PHL) Fly for 1h 29m Arrive at 7:59am in Boston (BOS)

Layover in Boston for 14h 41m

Tue Jul 15th 2025 TAP Portugal · TP 216 Depart at 10:40pm from Boston (BOS) Fly for 6h 30m Arrive at 10:10am in Lisbon (LIS)

Book Flight
US$483

6:30am - 6:05am
Tue Jul 8th 2025

18h 35m
Philadelphia (PHL) → Lisbon (LIS)

1 Stop

Tue Jul 8th 2025 Frontier Airlines · F9 2168 Depart at 6:30am from Philadelphia (PHL) Fly for 1h 29m Arrive at 7:59am in Boston (BOS)

Layover in Boston for 10h 36m

Tue Jul 8th 2025 TAP Portugal · TP 218 Depart at 6:35pm from Boston (BOS) Fly for 6h 30m Arrive at 6:05am in Lisbon (LIS)

Book Flight
US$483

5:36pm - 1:55pm
Sun Aug 3rd 2025

15h 19m
Philadelphia (PHL) → Lisbon (LIS)

1 Stop

Sun Aug 3rd 2025 Frontier Airlines · F9 1203 Depart at 5:36pm from Philadelphia (PHL) Fly for 3h 2m Arrive at 8:38pm in Miami (MIA)

Layover in Miami for 3h 57m

Mon Aug 4th 2025 TAP Portugal · TP 226 Depart at 12:35am from Miami (MIA) Fly for 8h 20m Arrive at 1:55pm in Lisbon (LIS)

Book Flight
US$483

6:30am - 5:40am
Tue Jul 29th 2025

18h 10m
Philadelphia (PHL) → Lisbon (LIS)

1 Stop

Tue Jul 29th 2025 Frontier Airlines · F9 2168 Depart at 6:30am from Philadelphia (PHL) Fly for 1h 29m Arrive at 7:59am in Boston (BOS)

Layover in Boston for 10h 11m

Tue Jul 29th 2025 TAP Portugal · TP 218 Depart at 6:10pm from Boston (BOS) Fly for 6h 30m Arrive at 5:40am in Lisbon (LIS)

Book Flight
US$484

5:45am - 8:00am
Sun Jul 27th 2025

21h 15m
Philadelphia (PHL) → Lisbon (LIS)

1 Stop

Sun Jul 27th 2025 Frontier Airlines · F9 2111 Depart at 5:45am from Philadelphia (PHL) Fly for 2h 30m Arrive at 7:15am in Chicago (ORD)

Layover in Chicago for 10h 45m

Sun Jul 27th 2025 TAP Portugal · TP 244 Depart at 6:00pm from Chicago (ORD) Fly for 8h 0m Arrive at 8:00am in Lisbon (LIS)

Book Flight
US$484

5:45am - 8:00am
Sun Aug 10th 2025

21h 15m
Philadelphia (PHL) → Lisbon (LIS)

1 Stop

Sun Aug 10th 2025 Frontier Airlines · F9 2111 Depart at 5:45am from Philadelphia (PHL) Fly for 2h 30m Arrive at 7:15am in Chicago (ORD)

Layover in Chicago for 10h 45m

Sun Aug 10th 2025 TAP Portugal · TP 244 Depart at 6:00pm from Chicago (ORD) Fly for 8h 0m Arrive at 8:00am in Lisbon (LIS)

Book Flight
US$485

5:36pm - 1:55pm
Sun Jul 6th 2025

15h 19m
Philadelphia (PHL) → Lisbon (LIS)

1 Stop

Sun Jul 6th 2025 Frontier Airlines · F9 1203 Depart at 5:36pm from Philadelphia (PHL) Fly for 3h 2m Arrive at 8:38pm in Miami (MIA)

Layover in Miami for 3h 57m

Mon Jul 7th 2025 TAP Portugal · TP 226 Depart at 12:35am from Miami (MIA) Fly for 8h 20m Arrive at 1:55pm in Lisbon (LIS)

Book Flight
US$485

6:45am - 5:50am
Mon Aug 11th 2025

18h 5m
Philadelphia (PHL) → Lisbon (LIS)

1 Stop

Mon Aug 11th 2025 Spirit Airlines · NK 3149 Depart at 6:45am from Philadelphia (PHL) Fly for 2h 59m Arrive at 9:44am in Miami (MIA)

Layover in Miami for 6h 51m

Mon Aug 11th 2025 TAP Portugal · TP 224 Depart at 4:35pm from Miami (MIA) Fly for 8h 15m Arrive at 5:50am in Lisbon (LIS)

Book Flight
US$494

6:45am - 5:50am
Sun Aug 10th 2025

18h 5m
Philadelphia (PHL) → Lisbon (LIS)

1 Stop

Sun Aug 10th 2025 Spirit Airlines · NK 3149 Depart at 6:45am from Philadelphia (PHL) Fly for 2h 59m Arrive at 9:44am in Miami (MIA)

Layover in Miami for 6h 46m

Sun Aug 10th 2025 TAP Portugal · TP 224 Depart at 4:30pm from Miami (MIA) Fly for 8h 20m Arrive at 5:50am in Lisbon (LIS)

Book Flight
US$495

6:30am - 9:50am
Thu Jul 10th 2025

22h 20m
Philadelphia (PHL) → Lisbon (LIS)

1 Stop

Thu Jul 10th 2025 Frontier Airlines · F9 2168 Depart at 6:30am from Philadelphia (PHL) Fly for 1h 29m Arrive at 7:59am in Boston (BOS)

Layover in Boston for 14h 26m

Thu Jul 10th 2025 TAP Portugal · TP 216 Depart at 10:25pm from Boston (BOS) Fly for 6h 25m Arrive at 9:50am in Lisbon (LIS)

Book Flight
US$495

6:30am - 5:40am
Sun Aug 3rd 2025

18h 10m
Philadelphia (PHL) → Lisbon (LIS)

1 Stop

Sun Aug 3rd 2025 Frontier Airlines · F9 2168 Depart at 6:30am from Philadelphia (PHL) Fly for 1h 29m Arrive at 7:59am in Boston (BOS)

Layover in Boston for 10h 11m

Sun Aug 3rd 2025 TAP Portugal · TP 218 Depart at 6:10pm from Boston (BOS) Fly for 6h 30m Arrive at 5:40am in Lisbon (LIS)

Book Flight
US$496

10:25am - 5:40am
Sat Aug 16th 2025

14h 15m
Philadelphia (PHL) → Lisbon (LIS)

1 Stop

Sat Aug 16th 2025 TAP Portugal · TP 4352 Depart at 10:25am from Philadelphia (PHL) Fly for 1h 24m Arrive at 11:49am in Boston (BOS)

Layover in Boston for 6h 21m

Sat Aug 16th 2025 TAP Portugal · TP 218 Depart at 6:10pm from Boston (BOS) Fly for 6h 30m Arrive at 5:40am in Lisbon (LIS)

Book Flight
US$496

10:25am - 5:40am
Thu Aug 7th 2025

14h 15m
Philadelphia (PHL) → Lisbon (LIS)

1 Stop

Thu Aug 7th 2025 TAP Portugal · TP 4352 Depart at 10:25am from Philadelphia (PHL) Fly for 1h 24m Arrive at 11:49am in Boston (BOS)

Layover in Boston for 6h 21m

Thu Aug 7th 2025 TAP Portugal · TP 218 Depart at 6:10pm from Boston (BOS) Fly for 6h 30m Arrive at 5:40am in Lisbon (LIS)

Book Flight
US$496

6:30am - 5:40am
Sun Aug 10th 2025

18h 10m
Philadelphia (PHL) → Lisbon (LIS)

1 Stop

Sun Aug 10th 2025 Frontier Airlines · F9 2168 Depart at 6:30am from Philadelphia (PHL) Fly for 1h 29m Arrive at 7:59am in Boston (BOS)

Layover in Boston for 10h 11m

Sun Aug 10th 2025 TAP Portugal · TP 218 Depart at 6:10pm from Boston (BOS) Fly for 6h 30m Arrive at 5:40am in Lisbon (LIS)

Book Flight
US$497

10:25am - 10:15am
Sat Aug 2nd 2025

18h 50m
Philadelphia (PHL) → Lisbon (LIS)

1 Stop

Sat Aug 2nd 2025 TAP Portugal · TP 4352 Depart at 10:25am from Philadelphia (PHL) Fly for 1h 24m Arrive at 11:49am in Boston (BOS)

Layover in Boston for 10h 56m

Sat Aug 2nd 2025 TAP Portugal · TP 216 Depart at 10:45pm from Boston (BOS) Fly for 6h 30m Arrive at 10:15am in Lisbon (LIS)

Book Flight
US$512

6:35pm - 9:50am
Sun Aug 24th 2025

10h 15m
Philadelphia (PHL) → Lisbon (LIS)

1 Stop

Sun Aug 24th 2025 TAP Portugal · TP 4350 Depart at 6:35pm from Philadelphia (PHL) Fly for 1h 34m Arrive at 8:09pm in Boston (BOS)

Layover in Boston for 2h 11m

Sun Aug 24th 2025 TAP Portugal · TP 216 Depart at 10:20pm from Boston (BOS) Fly for 6h 30m Arrive at 9:50am in Lisbon (LIS)

Book Flight
US$512

6:35pm - 10:10am
Tue Aug 26th 2025

10h 35m
Philadelphia (PHL) → Lisbon (LIS)

1 Stop

Tue Aug 26th 2025 TAP Portugal · TP 4350 Depart at 6:35pm from Philadelphia (PHL) Fly for 1h 34m Arrive at 8:09pm in Boston (BOS)

Layover in Boston for 2h 31m

Tue Aug 26th 2025 TAP Portugal · TP 216 Depart at 10:40pm from Boston (BOS) Fly for 6h 30m Arrive at 10:10am in Lisbon (LIS)

Book Flight
US$512

6:35pm - 10:10am
Mon Aug 25th 2025

10h 35m
Philadelphia (PHL) → Lisbon (LIS)

1 Stop

Mon Aug 25th 2025 TAP Portugal · TP 4350 Depart at 6:35pm from Philadelphia (PHL) Fly for 1h 34m Arrive at 8:09pm in Boston (BOS)

Layover in Boston for 2h 31m

Mon Aug 25th 2025 TAP Portugal · TP 216 Depart at 10:40pm from Boston (BOS) Fly for 6h 30m Arrive at 10:10am in Lisbon (LIS)

Book Flight
US$512

10:25am - 5:40am
Tue Aug 26th 2025

14h 15m
Philadelphia (PHL) → Lisbon (LIS)

1 Stop

Tue Aug 26th 2025 TAP Portugal · TP 4352 Depart at 10:25am from Philadelphia (PHL) Fly for 1h 24m Arrive at 11:49am in Boston (BOS)

Layover in Boston for 6h 21m

Tue Aug 26th 2025 TAP Portugal · TP 218 Depart at 6:10pm from Boston (BOS) Fly for 6h 30m Arrive at 5:40am in Lisbon (LIS)

Book Flight
US$516

6:30am - 6:05am
Tue Jul 15th 2025

18h 35m
Philadelphia (PHL) → Lisbon (LIS)

1 Stop

Tue Jul 15th 2025 Frontier Airlines · F9 2168 Depart at 6:30am from Philadelphia (PHL) Fly for 1h 29m Arrive at 7:59am in Boston (BOS)

Layover in Boston for 10h 36m

Tue Jul 15th 2025 TAP Portugal · TP 218 Depart at 6:35pm from Boston (BOS) Fly for 6h 30m Arrive at 6:05am in Lisbon (LIS)

Book Flight
US$522

10:25am - 5:40am
Mon Aug 4th 2025

14h 15m
Philadelphia (PHL) → Lisbon (LIS)

1 Stop

Mon Aug 4th 2025 TAP Portugal · TP 4352 Depart at 10:25am from Philadelphia (PHL) Fly for 1h 24m Arrive at 11:49am in Boston (BOS)

Layover in Boston for 6h 21m

Mon Aug 4th 2025 TAP Portugal · TP 218 Depart at 6:10pm from Boston (BOS) Fly for 6h 30m Arrive at 5:40am in Lisbon (LIS)

Book Flight
US$523

6:35pm - 10:10am
Wed Jul 30th 2025

10h 35m
Philadelphia (PHL) → Lisbon (LIS)

1 Stop

Wed Jul 30th 2025 TAP Portugal · TP 4350 Depart at 6:35pm from Philadelphia (PHL) Fly for 1h 34m Arrive at 8:09pm in Boston (BOS)

Layover in Boston for 2h 31m

Wed Jul 30th 2025 TAP Portugal · TP 216 Depart at 10:40pm from Boston (BOS) Fly for 6h 30m Arrive at 10:10am in Lisbon (LIS)

Book Flight
US$523

6:35pm - 10:10am
Tue Jul 22nd 2025

10h 35m
Philadelphia (PHL) → Lisbon (LIS)

1 Stop

Tue Jul 22nd 2025 TAP Portugal · TP 4350 Depart at 6:35pm from Philadelphia (PHL) Fly for 1h 34m Arrive at 8:09pm in Boston (BOS)

Layover in Boston for 2h 31m

Tue Jul 22nd 2025 TAP Portugal · TP 216 Depart at 10:40pm from Boston (BOS) Fly for 6h 30m Arrive at 10:10am in Lisbon (LIS)

Book Flight
US$523

6:35pm - 10:10am
Wed Aug 6th 2025

10h 35m
Philadelphia (PHL) → Lisbon (LIS)

1 Stop

Wed Aug 6th 2025 TAP Portugal · TP 4350 Depart at 6:35pm from Philadelphia (PHL) Fly for 1h 34m Arrive at 8:09pm in Boston (BOS)

Layover in Boston for 2h 31m

Wed Aug 6th 2025 TAP Portugal · TP 216 Depart at 10:40pm from Boston (BOS) Fly for 6h 30m Arrive at 10:10am in Lisbon (LIS)

Book Flight
US$523

6:35pm - 10:10am
Mon Jul 14th 2025

10h 35m
Philadelphia (PHL) → Lisbon (LIS)

1 Stop

Mon Jul 14th 2025 TAP Portugal · TP 4350 Depart at 6:35pm from Philadelphia (PHL) Fly for 1h 34m Arrive at 8:09pm in Boston (BOS)

Layover in Boston for 2h 31m

Mon Jul 14th 2025 TAP Portugal · TP 216 Depart at 10:40pm from Boston (BOS) Fly for 6h 30m Arrive at 10:10am in Lisbon (LIS)

Book Flight
US$523

6:35pm - 10:10am
Mon Aug 18th 2025

10h 35m
Philadelphia (PHL) → Lisbon (LIS)

1 Stop

Mon Aug 18th 2025 TAP Portugal · TP 4350 Depart at 6:35pm from Philadelphia (PHL) Fly for 1h 34m Arrive at 8:09pm in Boston (BOS)

Layover in Boston for 2h 31m

Mon Aug 18th 2025 TAP Portugal · TP 216 Depart at 10:40pm from Boston (BOS) Fly for 6h 30m Arrive at 10:10am in Lisbon (LIS)

Book Flight
US$523

6:35pm - 10:10am
Wed Jul 9th 2025

10h 35m
Philadelphia (PHL) → Lisbon (LIS)

1 Stop

Wed Jul 9th 2025 TAP Portugal · TP 4350 Depart at 6:35pm from Philadelphia (PHL) Fly for 1h 34m Arrive at 8:09pm in Boston (BOS)

Layover in Boston for 2h 31m

Wed Jul 9th 2025 TAP Portugal · TP 216 Depart at 10:40pm from Boston (BOS) Fly for 6h 30m Arrive at 10:10am in Lisbon (LIS)

Book Flight
US$523

6:35pm - 10:10am
Wed Jul 23rd 2025

10h 35m
Philadelphia (PHL) → Lisbon (LIS)

1 Stop

Wed Jul 23rd 2025 TAP Portugal · TP 4350 Depart at 6:35pm from Philadelphia (PHL) Fly for 1h 34m Arrive at 8:09pm in Boston (BOS)

Layover in Boston for 2h 31m

Wed Jul 23rd 2025 TAP Portugal · TP 216 Depart at 10:40pm from Boston (BOS) Fly for 6h 30m Arrive at 10:10am in Lisbon (LIS)

Book Flight
US$523

6:35pm - 10:10am
Mon Jul 21st 2025

10h 35m
Philadelphia (PHL) → Lisbon (LIS)

1 Stop

Mon Jul 21st 2025 TAP Portugal · TP 4350 Depart at 6:35pm from Philadelphia (PHL) Fly for 1h 34m Arrive at 8:09pm in Boston (BOS)

Layover in Boston for 2h 31m

Mon Jul 21st 2025 TAP Portugal · TP 216 Depart at 10:40pm from Boston (BOS) Fly for 6h 30m Arrive at 10:10am in Lisbon (LIS)

Book Flight
US$523

6:35pm - 10:10am
Tue Aug 5th 2025

10h 35m
Philadelphia (PHL) → Lisbon (LIS)

1 Stop

Tue Aug 5th 2025 TAP Portugal · TP 4350 Depart at 6:35pm from Philadelphia (PHL) Fly for 1h 34m Arrive at 8:09pm in Boston (BOS)

Layover in Boston for 2h 31m

Tue Aug 5th 2025 TAP Portugal · TP 216 Depart at 10:40pm from Boston (BOS) Fly for 6h 30m Arrive at 10:10am in Lisbon (LIS)

Book Flight
US$523

6:35pm - 10:10am
Wed Jul 16th 2025

10h 35m
Philadelphia (PHL) → Lisbon (LIS)

1 Stop

Wed Jul 16th 2025 TAP Portugal · TP 4350 Depart at 6:35pm from Philadelphia (PHL) Fly for 1h 34m Arrive at 8:09pm in Boston (BOS)

Layover in Boston for 2h 31m

Wed Jul 16th 2025 TAP Portugal · TP 216 Depart at 10:40pm from Boston (BOS) Fly for 6h 30m Arrive at 10:10am in Lisbon (LIS)

Book Flight
US$523

10:25am - 5:40am
Sun Jul 20th 2025

14h 15m
Philadelphia (PHL) → Lisbon (LIS)

1 Stop

Sun Jul 20th 2025 TAP Portugal · TP 4352 Depart at 10:25am from Philadelphia (PHL) Fly for 1h 24m Arrive at 11:49am in Boston (BOS)

Layover in Boston for 6h 21m

Sun Jul 20th 2025 TAP Portugal · TP 218 Depart at 6:10pm from Boston (BOS) Fly for 6h 30m Arrive at 5:40am in Lisbon (LIS)

Book Flight
US$523

10:25am - 5:40am
Tue Jul 29th 2025

14h 15m
Philadelphia (PHL) → Lisbon (LIS)

1 Stop

Tue Jul 29th 2025 TAP Portugal · TP 4352 Depart at 10:25am from Philadelphia (PHL) Fly for 1h 24m Arrive at 11:49am in Boston (BOS)

Layover in Boston for 6h 21m

Tue Jul 29th 2025 TAP Portugal · TP 218 Depart at 6:10pm from Boston (BOS) Fly for 6h 30m Arrive at 5:40am in Lisbon (LIS)

Book Flight
US$523

10:25am - 5:40am
Mon Jul 28th 2025

14h 15m
Philadelphia (PHL) → Lisbon (LIS)

1 Stop

Mon Jul 28th 2025 TAP Portugal · TP 4352 Depart at 10:25am from Philadelphia (PHL) Fly for 1h 24m Arrive at 11:49am in Boston (BOS)

Layover in Boston for 6h 21m

Mon Jul 28th 2025 TAP Portugal · TP 218 Depart at 6:10pm from Boston (BOS) Fly for 6h 30m Arrive at 5:40am in Lisbon (LIS)

Book Flight
US$523

10:25am - 5:40am
Mon Aug 11th 2025

14h 15m
Philadelphia (PHL) → Lisbon (LIS)

1 Stop

Mon Aug 11th 2025 TAP Portugal · TP 4352 Depart at 10:25am from Philadelphia (PHL) Fly for 1h 24m Arrive at 11:49am in Boston (BOS)

Layover in Boston for 6h 21m

Mon Aug 11th 2025 TAP Portugal · TP 218 Depart at 6:10pm from Boston (BOS) Fly for 6h 30m Arrive at 5:40am in Lisbon (LIS)

Book Flight
US$523

10:25am - 6:05am
Tue Jul 15th 2025

14h 40m
Philadelphia (PHL) → Lisbon (LIS)

1 Stop

Tue Jul 15th 2025 TAP Portugal · TP 4352 Depart at 10:25am from Philadelphia (PHL) Fly for 1h 24m Arrive at 11:49am in Boston (BOS)

Layover in Boston for 6h 46m

Tue Jul 15th 2025 TAP Portugal · TP 218 Depart at 6:35pm from Boston (BOS) Fly for 6h 30m Arrive at 6:05am in Lisbon (LIS)

Book Flight
US$523

10:25am - 6:05am
Tue Jul 8th 2025

14h 40m
Philadelphia (PHL) → Lisbon (LIS)

1 Stop

Tue Jul 8th 2025 TAP Portugal · TP 4352 Depart at 10:25am from Philadelphia (PHL) Fly for 1h 24m Arrive at 11:49am in Boston (BOS)

Layover in Boston for 6h 46m

Tue Jul 8th 2025 TAP Portugal · TP 218 Depart at 6:35pm from Boston (BOS) Fly for 6h 30m Arrive at 6:05am in Lisbon (LIS)

Book Flight
US$526

5:36pm - 1:55pm
Sun Aug 17th 2025

15h 19m
Philadelphia (PHL) → Lisbon (LIS)

1 Stop

Sun Aug 17th 2025 Frontier Airlines · F9 1203 Depart at 5:36pm from Philadelphia (PHL) Fly for 3h 2m Arrive at 8:38pm in Miami (MIA)

Layover in Miami for 3h 57m

Mon Aug 18th 2025 TAP Portugal · TP 226 Depart at 12:35am from Miami (MIA) Fly for 8h 20m Arrive at 1:55pm in Lisbon (LIS)

Book Flight
US$527

6:30am - 5:40am
Tue Aug 5th 2025

18h 10m
Philadelphia (PHL) → Lisbon (LIS)

1 Stop

Tue Aug 5th 2025 Frontier Airlines · F9 2168 Depart at 6:30am from Philadelphia (PHL) Fly for 1h 29m Arrive at 7:59am in Boston (BOS)

Layover in Boston for 10h 11m

Tue Aug 5th 2025 TAP Portugal · TP 218 Depart at 6:10pm from Boston (BOS) Fly for 6h 30m Arrive at 5:40am in Lisbon (LIS)

Book Flight
US$531

6:30am - 5:40am
Sun Jul 6th 2025

18h 10m
Philadelphia (PHL) → Lisbon (LIS)

1 Stop

Sun Jul 6th 2025 Frontier Airlines · F9 2168 Depart at 6:30am from Philadelphia (PHL) Fly for 1h 29m Arrive at 7:59am in Boston (BOS)

Layover in Boston for 10h 11m

Sun Jul 6th 2025 TAP Portugal · TP 218 Depart at 6:10pm from Boston (BOS) Fly for 6h 30m Arrive at 5:40am in Lisbon (LIS)

Book Flight
US$548

6:45am - 5:50am
Wed Sep 3rd 2025

18h 5m
Philadelphia (PHL) → Lisbon (LIS)

1 Stop

Wed Sep 3rd 2025 Spirit Airlines · NK 3149 Depart at 6:45am from Philadelphia (PHL) Fly for 2h 59m Arrive at 9:44am in Miami (MIA)

Layover in Miami for 6h 46m

Wed Sep 3rd 2025 TAP Portugal · TP 224 Depart at 4:30pm from Miami (MIA) Fly for 8h 20m Arrive at 5:50am in Lisbon (LIS)

Book Flight
US$565

6:35pm - 9:50am
Thu Jul 24th 2025

10h 15m
Philadelphia (PHL) → Lisbon (LIS)

1 Stop

Thu Jul 24th 2025 TAP Portugal · TP 4350 Depart at 6:35pm from Philadelphia (PHL) Fly for 1h 34m Arrive at 8:09pm in Boston (BOS)

Layover in Boston for 2h 16m

Thu Jul 24th 2025 TAP Portugal · TP 216 Depart at 10:25pm from Boston (BOS) Fly for 6h 25m Arrive at 9:50am in Lisbon (LIS)

Book Flight
US$565

6:35pm - 9:50am
Thu Aug 14th 2025

10h 15m
Philadelphia (PHL) → Lisbon (LIS)

1 Stop

Thu Aug 14th 2025 TAP Portugal · TP 4350 Depart at 6:35pm from Philadelphia (PHL) Fly for 1h 34m Arrive at 8:09pm in Boston (BOS)

Layover in Boston for 2h 16m

Thu Aug 14th 2025 TAP Portugal · TP 216 Depart at 10:25pm from Boston (BOS) Fly for 6h 25m Arrive at 9:50am in Lisbon (LIS)

Book Flight
US$565

6:35pm - 10:15am
Sat Aug 16th 2025

10h 40m
Philadelphia (PHL) → Lisbon (LIS)

1 Stop

Sat Aug 16th 2025 TAP Portugal · TP 4350 Depart at 6:35pm from Philadelphia (PHL) Fly for 1h 34m Arrive at 8:09pm in Boston (BOS)

Layover in Boston for 2h 36m

Sat Aug 16th 2025 TAP Portugal · TP 216 Depart at 10:45pm from Boston (BOS) Fly for 6h 30m Arrive at 10:15am in Lisbon (LIS)

Book Flight
US$565

6:35pm - 10:15am
Sat Jul 19th 2025

10h 40m
Philadelphia (PHL) → Lisbon (LIS)

1 Stop

Sat Jul 19th 2025 TAP Portugal · TP 4350 Depart at 6:35pm from Philadelphia (PHL) Fly for 1h 34m Arrive at 8:09pm in Boston (BOS)

Layover in Boston for 2h 36m

Sat Jul 19th 2025 TAP Portugal · TP 216 Depart at 10:45pm from Boston (BOS) Fly for 6h 30m Arrive at 10:15am in Lisbon (LIS)

Book Flight
US$565

6:35pm - 10:15am
Sat Aug 2nd 2025

10h 40m
Philadelphia (PHL) → Lisbon (LIS)

1 Stop

Sat Aug 2nd 2025 TAP Portugal · TP 4350 Depart at 6:35pm from Philadelphia (PHL) Fly for 1h 34m Arrive at 8:09pm in Boston (BOS)

Layover in Boston for 2h 36m

Sat Aug 2nd 2025 TAP Portugal · TP 216 Depart at 10:45pm from Boston (BOS) Fly for 6h 30m Arrive at 10:15am in Lisbon (LIS)

Book Flight
US$566

11:32am - 5:50am
Fri Aug 8th 2025

13h 18m
Philadelphia (PHL) → Lisbon (LIS)

1 Stop

Fri Aug 8th 2025 Frontier Airlines · F9 3379 Depart at 11:32am from Philadelphia (PHL) Fly for 3h 2m Arrive at 2:34pm in Miami (MIA)

Layover in Miami for 2h 1m

Fri Aug 8th 2025 TAP Portugal · TP 224 Depart at 4:35pm from Miami (MIA) Fly for 8h 15m Arrive at 5:50am in Lisbon (LIS)

Book Flight
US$570

6:35pm - 9:50am
Sun Aug 17th 2025

10h 15m
Philadelphia (PHL) → Lisbon (LIS)

1 Stop

Sun Aug 17th 2025 TAP Portugal · TP 4350 Depart at 6:35pm from Philadelphia (PHL) Fly for 1h 34m Arrive at 8:09pm in Boston (BOS)

Layover in Boston for 2h 11m

Sun Aug 17th 2025 TAP Portugal · TP 216 Depart at 10:20pm from Boston (BOS) Fly for 6h 30m Arrive at 9:50am in Lisbon (LIS)

Book Flight
US$570

6:35pm - 10:10am
Wed Aug 20th 2025

10h 35m
Philadelphia (PHL) → Lisbon (LIS)

1 Stop

Wed Aug 20th 2025 TAP Portugal · TP 4350 Depart at 6:35pm from Philadelphia (PHL) Fly for 1h 34m Arrive at 8:09pm in Boston (BOS)

Layover in Boston for 2h 31m

Wed Aug 20th 2025 TAP Portugal · TP 216 Depart at 10:40pm from Boston (BOS) Fly for 6h 30m Arrive at 10:10am in Lisbon (LIS)

Book Flight
US$570

6:35pm - 10:10am
Tue Jul 15th 2025

10h 35m
Philadelphia (PHL) → Lisbon (LIS)

1 Stop

Tue Jul 15th 2025 TAP Portugal · TP 4350 Depart at 6:35pm from Philadelphia (PHL) Fly for 1h 34m Arrive at 8:09pm in Boston (BOS)

Layover in Boston for 2h 31m

Tue Jul 15th 2025 TAP Portugal · TP 216 Depart at 10:40pm from Boston (BOS) Fly for 6h 30m Arrive at 10:10am in Lisbon (LIS)

Book Flight
US$570

11:32am - 5:50am
Fri Aug 15th 2025

13h 18m
Philadelphia (PHL) → Lisbon (LIS)

1 Stop

Fri Aug 15th 2025 Frontier Airlines · F9 3379 Depart at 11:32am from Philadelphia (PHL) Fly for 3h 2m Arrive at 2:34pm in Miami (MIA)

Layover in Miami for 2h 1m

Fri Aug 15th 2025 TAP Portugal · TP 224 Depart at 4:35pm from Miami (MIA) Fly for 8h 15m Arrive at 5:50am in Lisbon (LIS)

Book Flight
US$570

10:25am - 5:40am
Wed Jul 9th 2025

14h 15m
Philadelphia (PHL) → Lisbon (LIS)

1 Stop

Wed Jul 9th 2025 TAP Portugal · TP 4352 Depart at 10:25am from Philadelphia (PHL) Fly for 1h 24m Arrive at 11:49am in Boston (BOS)

Layover in Boston for 6h 21m

Wed Jul 9th 2025 TAP Portugal · TP 218 Depart at 6:10pm from Boston (BOS) Fly for 6h 30m Arrive at 5:40am in Lisbon (LIS)

Book Flight
US$570

10:25am - 5:40am
Mon Jul 7th 2025

14h 15m
Philadelphia (PHL) → Lisbon (LIS)

1 Stop

Mon Jul 7th 2025 TAP Portugal · TP 4352 Depart at 10:25am from Philadelphia (PHL) Fly for 1h 24m Arrive at 11:49am in Boston (BOS)

Layover in Boston for 6h 21m

Mon Jul 7th 2025 TAP Portugal · TP 218 Depart at 6:10pm from Boston (BOS) Fly for 6h 30m Arrive at 5:40am in Lisbon (LIS)

Book Flight
US$572

11:32am - 5:50am
Fri Jul 18th 2025

13h 18m
Philadelphia (PHL) → Lisbon (LIS)

1 Stop

Fri Jul 18th 2025 Frontier Airlines · F9 3379 Depart at 11:32am from Philadelphia (PHL) Fly for 3h 2m Arrive at 2:34pm in Miami (MIA)

Layover in Miami for 2h 1m

Fri Jul 18th 2025 TAP Portugal · TP 224 Depart at 4:35pm from Miami (MIA) Fly for 8h 15m Arrive at 5:50am in Lisbon (LIS)

Book Flight
US$572

11:32am - 5:50am
Fri Aug 1st 2025

13h 18m
Philadelphia (PHL) → Lisbon (LIS)

1 Stop

Fri Aug 1st 2025 Frontier Airlines · F9 3379 Depart at 11:32am from Philadelphia (PHL) Fly for 3h 2m Arrive at 2:34pm in Miami (MIA)

Layover in Miami for 2h 1m

Fri Aug 1st 2025 TAP Portugal · TP 224 Depart at 4:35pm from Miami (MIA) Fly for 8h 15m Arrive at 5:50am in Lisbon (LIS)

Book Flight
US$572

6:30am - 5:40am
Thu Jul 10th 2025

18h 10m
Philadelphia (PHL) → Lisbon (LIS)

1 Stop

Thu Jul 10th 2025 Frontier Airlines · F9 2168 Depart at 6:30am from Philadelphia (PHL) Fly for 1h 29m Arrive at 7:59am in Boston (BOS)

Layover in Boston for 10h 11m

Thu Jul 10th 2025 TAP Portugal · TP 218 Depart at 6:10pm from Boston (BOS) Fly for 6h 30m Arrive at 5:40am in Lisbon (LIS)

Book Flight
US$579

11:32am - 1:45pm
Fri Jul 4th 2025

21h 13m
Philadelphia (PHL) → Lisbon (LIS)

1 Stop

Fri Jul 4th 2025 Frontier Airlines · F9 3379 Depart at 11:32am from Philadelphia (PHL) Fly for 2h 58m Arrive at 2:30pm in Miami (MIA)

Layover in Miami for 9h 55m

Sat Jul 5th 2025 TAP Portugal · TP 226 Depart at 12:25am from Miami (MIA) Fly for 8h 20m Arrive at 1:45pm in Lisbon (LIS)

Book Flight
US$580

6:35pm - 10:10am
Wed Aug 27th 2025

10h 35m
Philadelphia (PHL) → Lisbon (LIS)

1 Stop

Wed Aug 27th 2025 TAP Portugal · TP 4350 Depart at 6:35pm from Philadelphia (PHL) Fly for 1h 34m Arrive at 8:09pm in Boston (BOS)

Layover in Boston for 2h 31m

Wed Aug 27th 2025 TAP Portugal · TP 216 Depart at 10:40pm from Boston (BOS) Fly for 6h 30m Arrive at 10:10am in Lisbon (LIS)

Book Flight
US$613

6:35pm - 9:50am
Thu Jul 10th 2025

10h 15m
Philadelphia (PHL) → Lisbon (LIS)

1 Stop

Thu Jul 10th 2025 TAP Portugal · TP 4350 Depart at 6:35pm from Philadelphia (PHL) Fly for 1h 34m Arrive at 8:09pm in Boston (BOS)

Layover in Boston for 2h 16m

Thu Jul 10th 2025 TAP Portugal · TP 216 Depart at 10:25pm from Boston (BOS) Fly for 6h 25m Arrive at 9:50am in Lisbon (LIS)

Book Flight
US$630

5:36pm - 1:55pm
Sun Jun 29th 2025

15h 19m
Philadelphia (PHL) → Lisbon (LIS)

1 Stop

Sun Jun 29th 2025 Frontier Airlines · F9 1203 Depart at 5:36pm from Philadelphia (PHL) Fly for 3h 1m Arrive at 8:37pm in Miami (MIA)

Layover in Miami for 3h 58m

Mon Jun 30th 2025 TAP Portugal · TP 226 Depart at 12:35am from Miami (MIA) Fly for 8h 20m Arrive at 1:55pm in Lisbon (LIS)

Book Flight
US$656

6:35pm - 10:10am
Mon Jul 7th 2025

10h 35m
Philadelphia (PHL) → Lisbon (LIS)

1 Stop

Mon Jul 7th 2025 TAP Portugal · TP 4350 Depart at 6:35pm from Philadelphia (PHL) Fly for 1h 34m Arrive at 8:09pm in Boston (BOS)

Layover in Boston for 2h 31m

Mon Jul 7th 2025 TAP Portugal · TP 216 Depart at 10:40pm from Boston (BOS) Fly for 6h 30m Arrive at 10:10am in Lisbon (LIS)

Book Flight
US$861

9:15pm - 9:05am
Sun Aug 3rd 2025

6h 50m
Philadelphia (PHL) → Lisbon (LIS)

Direct

Sun Aug 3rd 2025 Finnair · AY 4146 Depart at 9:15pm from Philadelphia (PHL) Fly for 6h 50m Arrive at 9:05am in Lisbon (LIS)

Book Flight
US$861

9:15pm - 9:05am
Wed Jul 30th 2025

6h 50m
Philadelphia (PHL) → Lisbon (LIS)

Direct

Wed Jul 30th 2025 Finnair · AY 4146 Depart at 9:15pm from Philadelphia (PHL) Fly for 6h 50m Arrive at 9:05am in Lisbon (LIS)

Book Flight
US$861

9:15pm - 9:05am
Wed Jul 16th 2025

6h 50m
Philadelphia (PHL) → Lisbon (LIS)

Direct

Wed Jul 16th 2025 Finnair · AY 4146 Depart at 9:15pm from Philadelphia (PHL) Fly for 6h 50m Arrive at 9:05am in Lisbon (LIS)

Book Flight
US$861

9:15pm - 9:05am
Mon Jul 21st 2025

6h 50m
Philadelphia (PHL) → Lisbon (LIS)

Direct

Mon Jul 21st 2025 Finnair · AY 4146 Depart at 9:15pm from Philadelphia (PHL) Fly for 6h 50m Arrive at 9:05am in Lisbon (LIS)

Book Flight
US$861

9:15pm - 9:05am
Sun Jul 27th 2025

6h 50m
Philadelphia (PHL) → Lisbon (LIS)

Direct

Sun Jul 27th 2025 Finnair · AY 4146 Depart at 9:15pm from Philadelphia (PHL) Fly for 6h 50m Arrive at 9:05am in Lisbon (LIS)

Book Flight
US$861

9:15pm - 9:05am
Sun Jul 20th 2025

6h 50m
Philadelphia (PHL) → Lisbon (LIS)

Direct

Sun Jul 20th 2025 Finnair · AY 4146 Depart at 9:15pm from Philadelphia (PHL) Fly for 6h 50m Arrive at 9:05am in Lisbon (LIS)

Book Flight
US$861

9:15pm - 9:05am
Mon Jul 28th 2025

6h 50m
Philadelphia (PHL) → Lisbon (LIS)

Direct

Mon Jul 28th 2025 Finnair · AY 4146 Depart at 9:15pm from Philadelphia (PHL) Fly for 6h 50m Arrive at 9:05am in Lisbon (LIS)

Book Flight
US$861

9:15pm - 9:05am
Mon Aug 4th 2025

6h 50m
Philadelphia (PHL) → Lisbon (LIS)

Direct

Mon Aug 4th 2025 Finnair · AY 4146 Depart at 9:15pm from Philadelphia (PHL) Fly for 6h 50m Arrive at 9:05am in Lisbon (LIS)

Book Flight
US$861

9:15pm - 9:05am
Wed Aug 6th 2025

6h 50m
Philadelphia (PHL) → Lisbon (LIS)

Direct

Wed Aug 6th 2025 Finnair · AY 4146 Depart at 9:15pm from Philadelphia (PHL) Fly for 6h 50m Arrive at 9:05am in Lisbon (LIS)

Book Flight
US$861

9:15pm - 9:05am
Tue Jul 8th 2025

6h 50m
Philadelphia (PHL) → Lisbon (LIS)

Direct

Tue Jul 8th 2025 Finnair · AY 4146 Depart at 9:15pm from Philadelphia (PHL) Fly for 6h 50m Arrive at 9:05am in Lisbon (LIS)

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 Philadelphia to Lisbon (PHL to LIS)

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