One Way Flights from Seoul to Philadelphia (ICN to PHL)

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

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

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US$2552

9:30am - 4:49pm
Thu Apr 10th 2025

20h 19m
Seoul (ICN) → Philadelphia (PHL)

1 Stop

Thu Apr 10th 2025 Korean Air · KE 91 Depart at 9:30am from Seoul (ICN) Fly for 14h 0m Arrive at 10:30am in Boston (BOS)

Layover in Boston for 4h 40m

Thu Apr 10th 2025 Korean Air · KE 3317 Depart at 3:10pm from Boston (BOS) Fly for 1h 39m Arrive at 4:49pm in Philadelphia (PHL)

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US$12614

1:20am - 9:00am
Sun Apr 13th 2025

44h 40m
Seoul (ICN) → Philadelphia (PHL)

1 Stop

Sun Apr 13th 2025 Qatar Airways · QR 859 Depart at 1:20am from Seoul (ICN) Fly for 10h 25m Arrive at 5:45am in Doha (DOH)

Layover in Doha for 19h 45m

Mon Apr 14th 2025 Qatar Airways · QR 9001 Depart at 1:30am from Doha (DOH) Fly for 14h 30m Arrive at 9:00am in Philadelphia (PHL)

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US$13278

2:30pm - 4:20pm
Thu Apr 10th 2025

38h 50m
Seoul (ICN) → Philadelphia (PHL)

1 Stop

Thu Apr 10th 2025 Asiana Airlines · OZ 521 Depart at 2:30pm from Seoul (ICN) Fly for 11h 30m Arrive at 6:00pm in London (LHR)

Layover in London for 19h 25m

Fri Apr 11th 2025 Finnair · AY 5467 Depart at 1:25pm from London (LHR) Fly for 7h 55m Arrive at 4:20pm in Philadelphia (PHL)

Book Flight
US$13278

2:30pm - 4:25pm
Fri Apr 11th 2025

38h 55m
Seoul (ICN) → Philadelphia (PHL)

1 Stop

Fri Apr 11th 2025 Asiana Airlines · OZ 521 Depart at 2:30pm from Seoul (ICN) Fly for 11h 30m Arrive at 6:00pm in London (LHR)

Layover in London for 19h 30m

Sat Apr 12th 2025 Finnair · AY 5467 Depart at 1:30pm from London (LHR) Fly for 7h 55m Arrive at 4:25pm in Philadelphia (PHL)

Book Flight
US$13415

2:30pm - 4:25pm
Sun Apr 13th 2025

38h 55m
Seoul (ICN) → Philadelphia (PHL)

1 Stop

Sun Apr 13th 2025 Asiana Airlines · OZ 521 Depart at 2:30pm from Seoul (ICN) Fly for 11h 30m Arrive at 6:00pm in London (LHR)

Layover in London for 19h 30m

Mon Apr 14th 2025 Finnair · AY 5467 Depart at 1:30pm from London (LHR) Fly for 7h 55m Arrive at 4:25pm in Philadelphia (PHL)

Book Flight
US$13415

2:30pm - 4:25pm
Sat Apr 12th 2025

38h 55m
Seoul (ICN) → Philadelphia (PHL)

1 Stop

Sat Apr 12th 2025 Asiana Airlines · OZ 521 Depart at 2:30pm from Seoul (ICN) Fly for 11h 30m Arrive at 6:00pm in London (LHR)

Layover in London for 19h 30m

Sun Apr 13th 2025 Finnair · AY 5467 Depart at 1:30pm from London (LHR) Fly for 7h 55m Arrive at 4:25pm in Philadelphia (PHL)

Book Flight
US$13839

10:50am - 4:25pm
Fri Apr 11th 2025

42h 35m
Seoul (ICN) → Philadelphia (PHL)

1 Stop

Fri Apr 11th 2025 Korean Air · KE 907 Depart at 10:50am from Seoul (ICN) Fly for 14h 30m Arrive at 5:20pm in London (LHR)

Layover in London for 20h 10m

Sat Apr 12th 2025 Finnair · AY 5467 Depart at 1:30pm from London (LHR) Fly for 7h 55m Arrive at 4:25pm in Philadelphia (PHL)

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Sarah Belizaire

@sarahbb1

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John Ford

@eyupitsjohn

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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

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Travel With Bender

@travelwitbender

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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?)

About FlightList

❝Founded by a remote worker and frequent flyer, who discovered that the best deals come from searching with flexible dates across entire countries or regions. Our streamlined platform strips away the clutter found on typical travel sites, offering a clean interface that focuses solely on finding cost-effective flights. Unlike traditional booking sites, FlightList allows users to search by date ranges and broad destinations, unveiling opportunities that rigid parameters often miss. Our filters let travelers tailor searches to their specific needs, whether they're digital nomads seeking their next adventure or budget-conscious explorers maximizing travel funds. We've made finding cheap flights into a quicker and easier experience, empowering users to discover just how far their budget can take them.❞

Hans Desjarlais, Founder

One Way Flights from Seoul to Philadelphia (ICN to PHL)

Sarah Belizaire

John Ford

Roaming Sonaa

ANDY TRAVELS

Travel With Bender

Wesley Mergard

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