฿14,845 Cheap Flights from Seoul (ICN) to Philadelphia (PHL)

View ฿14,845 flight on Mon, 16 Mar 2026Opens in a new window

Popular airlines from Incheon Intl. Airport (ICN) to Philadelphia International Airport (PHL)

  • notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
  • deals illustration

    Book smarter

    Save up to 40% on select hotels after you book a flight*
  • trophy illustration

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap Flights from Seoul (ICN) to Philadelphia (PHL)

Prices were available within the past 7 days and start at ฿14,845 for one-way flights and ฿17,110 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Mon, 16 Mar - Mon, 23 Mar
ICN
Seoul
PHL
Philadelphia
฿17,110 Return, found 4 days ago
฿17,110
Return
found 4 days ago
Select United flight, departing Mon, 16 Mar from Seoul to Philadelphia, returning Mon, 23 Mar, priced at ฿17,110 found 4 days ago
United
Fri, 7 Nov - Sat, 15 Nov
ICN
Seoul
PHL
Philadelphia
฿18,625 Return, found 1 day ago
฿18,625
Return
found 1 day ago
Select United flight, departing Fri, 7 Nov from Seoul to Philadelphia, returning Sat, 15 Nov, priced at ฿18,625 found 1 day ago
United
Mon, 16 Mar - Mon, 23 Mar
ICN
Seoul
PHL
Philadelphia
฿19,410 Return, found 4 days ago
฿19,410
Return
found 4 days ago
Select United flight, departing Mon, 16 Mar from Seoul to Philadelphia, returning Mon, 23 Mar, priced at ฿19,410 found 4 days ago
Delta
Fri, 7 Nov - Sat, 15 Nov
ICN
Seoul
PHL
Philadelphia
฿20,735 Return, found 1 day ago
฿20,735
Return
found 1 day ago
Select Delta flight, departing Fri, 7 Nov from Seoul to Philadelphia, returning Sat, 15 Nov, priced at ฿20,735 found 1 day ago
Delta
Fri, 7 Nov - Sat, 15 Nov
ICN
Seoul
PHL
Philadelphia
฿21,185 Return, found 1 day ago
฿21,185
Return
found 1 day ago
Select Delta flight, departing Fri, 7 Nov from Seoul to Philadelphia, returning Sat, 15 Nov, priced at ฿21,185 found 1 day ago
Delta
Fri, 7 Nov - Sat, 15 Nov
ICN
Seoul
PHL
Philadelphia
฿21,635 Return, found 1 day ago
฿21,635
Return
found 1 day ago
Select Delta flight, departing Fri, 7 Nov from Seoul to Philadelphia, returning Sat, 15 Nov, priced at ฿21,635 found 1 day ago
Delta
Fri, 7 Nov - Sat, 15 Nov
ICN
Seoul
PHL
Philadelphia
฿22,465 Return, found 1 day ago
฿22,465
Return
found 1 day ago
Select Delta flight, departing Fri, 7 Nov from Seoul to Philadelphia, returning Sat, 15 Nov, priced at ฿22,465 found 1 day ago
Asiana Airlines
Mon, 16 Mar - Mon, 23 Mar
ICN
Seoul
PHL
Philadelphia
฿22,760 Return, found 4 days ago
฿22,760
Return
found 4 days ago
Select Asiana Airlines flight, departing Mon, 16 Mar from Seoul to Philadelphia, returning Mon, 23 Mar, priced at ฿22,760 found 4 days ago
Korean Air
Fri, 7 Nov - Sat, 15 Nov
ICN
Seoul
PHL
Philadelphia
฿23,495 Return, found 1 day ago
฿23,495
Return
found 1 day ago
Select Korean Air flight, departing Fri, 7 Nov from Seoul to Philadelphia, returning Sat, 15 Nov, priced at ฿23,495 found 1 day ago
American Airlines
Fri, 7 Nov - Sat, 15 Nov
ICN
Seoul
PHL
Philadelphia
฿27,320 Return, found 1 day ago
฿27,320
Return
found 1 day ago
Select American Airlines flight, departing Fri, 7 Nov from Seoul to Philadelphia, returning Sat, 15 Nov, priced at ฿27,320 found 1 day ago

Find the cheapest month to fly from Seoul (ICN) to Philadelphia (PHL)

September is typically the cheapest month to fly

From ฿16,271 - ฿26,840 per traveller.
Flight from Seoul to Philadelphia route information
Origin airport
Incheon Intl.
Destination airport
Philadelphia Intl.
Airlines serving
Air Canada, American Airlines, Delta, Korean Air, Qatar Airways, United
Return price
฿17,110
Distance
11070 km

Perfect flights from Seoul to Philadelphia

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Seoul to Philadelphia. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
 
Picture yourself strolling through the streets of , surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
 
Our flexible Incheon Intl. to Philadelphia Intl. ticket options cater to your travel preferences, with incredible one-way fares from ฿14,845 and roundtrip prices from ฿17,110. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
 
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Philadelphia Intl. and explore and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
 
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your to travel arrangements today and embark on the journey of a lifetime in Philadelphia.

Frequently asked questions

How much is a flight from Seoul–Incheon Intl. Airport to PHL?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price quoted for a round-trip journey from ICN to PHL was ฿17,110. Great fares don't wait forever, so make sure you book yours today. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Seoul–Incheon Intl. Airport to PHL?
Most flights can be cancelled online, but whether or not you incur a fee varies between airlines. If you do need to cancel your trip, follow the instructions in the Customer Service Portal.
How do I find cheap flights from Incheon Airport to PHL that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Incheon Airport to Philadelphia Intl. Airport (PHL) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Seoul–Incheon Intl. Airport to Philadelphia Airport?
South Korea to Philadelphia is around 11,100 kilometres, so get ready to spend quite a while in the air. Make sure you pack all the essentials, from your hoodie to your headphones. Take a few snacks to nibble on throughout your flight too.
Which airlines fly direct from Seoul–Incheon Intl. Airport to Philadelphia Intl. Airport (PHL)?
If you want to fly straight from Incheon Intl. Airport (ICN) to PHL, you'll need to book a flight with one or more stops. Unfortunately, there are no airlines that fly directly on this route.
Are Incheon Intl. Airport (ICN) to PHL flight tickets cheaper when they're purchased at the last minute?
Flight prices always go up and down, so it's no sure thing. While last-minute deals between Seoul–Incheon Intl. Airport and Philadelphia Intl. Airport (PHL) are of course possible, it's also a good idea to keep an eye on prices well before you fly. In fact, some airlines release their prices up to a year ahead of the departure date. Expedia is constantly updating the best airfare bargains around, so keep checking and be ready to secure your seat when fare prices drop.

Explore a world of travel with Expedia

*Available to Expedia members.