฿13,955 Cheap Flights from Seoul (ICN) to Philadelphia (PHL)

View ฿13,955 flight on Wed, 1 Apr 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 ฿13,955 for one-way flights and ฿15,955 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, 1 Apr - Tue, 7 Apr
ICN
Seoul
PHL
Philadelphia
฿15,955 Return, found 2 days ago
฿15,955
Return
found 2 days ago
Select American Airlines flight, departing Wed, 1 Apr from Seoul to Philadelphia, returning Tue, 7 Apr, priced at ฿15,955 found 2 days ago
Delta
Wed, 1 Apr - Tue, 7 Apr
ICN
Seoul
PHL
Philadelphia
฿20,325 Return, found 2 days ago
฿20,325
Return
found 2 days ago
Select Delta flight, departing Wed, 1 Apr from Seoul to Philadelphia, returning Tue, 7 Apr, priced at ฿20,325 found 2 days ago
Delta
Wed, 1 Apr - Tue, 7 Apr
ICN
Seoul
PHL
Philadelphia
฿20,785 Return, found 2 days ago
฿20,785
Return
found 2 days ago
Select Delta flight, departing Wed, 1 Apr from Seoul to Philadelphia, returning Tue, 7 Apr, priced at ฿20,785 found 2 days ago
Delta
Wed, 1 Apr - Tue, 7 Apr
ICN
Seoul
PHL
Philadelphia
฿21,245 Return, found 2 days ago
฿21,245
Return
found 2 days ago
Select Delta flight, departing Wed, 1 Apr from Seoul to Philadelphia, returning Tue, 7 Apr, priced at ฿21,245 found 2 days ago
Asiana Airlines
Wed, 1 Apr - Tue, 7 Apr
ICN
Seoul
PHL
Philadelphia
฿22,415 Return, found 2 days ago
฿22,415
Return
found 2 days ago
Select Asiana Airlines flight, departing Wed, 1 Apr from Seoul to Philadelphia, returning Tue, 7 Apr, priced at ฿22,415 found 2 days ago
Delta
Wed, 1 Apr - Tue, 7 Apr
ICN
Seoul
PHL
Philadelphia
฿22,975 Return, found 2 days ago
฿22,975
Return
found 2 days ago
Select Delta flight, departing Wed, 1 Apr from Seoul to Philadelphia, returning Tue, 7 Apr, priced at ฿22,975 found 2 days ago
Korean Air
Wed, 1 Apr - Tue, 7 Apr
ICN
Seoul
PHL
Philadelphia
฿23,435 Return, found 2 days ago
฿23,435
Return
found 2 days ago
Select Korean Air flight, departing Wed, 1 Apr from Seoul to Philadelphia, returning Tue, 7 Apr, priced at ฿23,435 found 2 days ago
United
Wed, 1 Apr - Tue, 7 Apr
ICN
Seoul
PHL
Philadelphia
฿23,440 Return, found 2 days ago
฿23,440
Return
found 2 days ago
Select United flight, departing Wed, 1 Apr from Seoul to Philadelphia, returning Tue, 7 Apr, priced at ฿23,440 found 2 days ago
Delta
Wed, 1 Apr - Tue, 7 Apr
ICN
Seoul
PHL
Philadelphia
฿25,705 Return, found 2 days ago
฿25,705
Return
found 2 days ago
Select Delta flight, departing Wed, 1 Apr from Seoul to Philadelphia, returning Tue, 7 Apr, priced at ฿25,705 found 2 days ago
Delta
Wed, 1 Apr - Tue, 7 Apr
ICN
Seoul
PHL
Philadelphia
฿26,165 Return, found 2 days ago
฿26,165
Return
found 2 days ago
Select Delta flight, departing Wed, 1 Apr from Seoul to Philadelphia, returning Tue, 7 Apr, priced at ฿26,165 found 2 days ago

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

November is typically the cheapest month to fly

From ฿15,752 - ฿27,273 per traveller.

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 ฿15,955. 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.

Travel information

Origin airport
Incheon Intl.
Destination airport
Philadelphia Intl.
Return price
฿15,955
Distance
11070 km

Book with confidence

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 ฿13,955 and roundtrip prices from ฿15,955. 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.
Perfect flights from Seoul to Philadelphia
*Available to Expedia members.