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$301+ Cheap flights from Seoul (SEL) to Philadelphia (PHL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/2. Fares are subject to change and may not be available on all flights or dates of travel.
SEL — PHL
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
1 adult, Economy
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Cheap flight deals from Seoul to Philadelphia

Cheapest flights from Seoul to Philadelphia
Explore the most affordable flight options available from Seoul to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 27, 2026.

This Hanatour deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Hanatour is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/207:05 pm
ICN
-
PHL
1 stop27h 43m
Air Canada
Mon 5/256:00 am
PHL
-
ICN
2 stops21h 05m
Air Canada
Deal found 1/25$464
This Gotogate deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/207:05 pm
ICN
-
PHL
1 stop27h 43m
Air Canada
Sun 5/244:20 pm
PHL
-
ICN
2 stops34h 45m
Air Canada
Deal found 1/25$479
This Air Canada deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/35:45 pm
ICN
-
PHL
2 stops40h 48m
Air Canada
Tue 6/910:05 am
PHL
-
ICN
2 stops41h 00m
Air Canada
Deal found 1/26$483
This Air Canada deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/205:55 pm
ICN
-
PHL
2 stops34h 52m
Air Canada
Mon 3/23:30 pm
PHL
-
ICN
2 stops59h 40m
Air Canada
Deal found 1/27$484
This Gotogate deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2010:25 am
ICN
-
PHL
2 stops25h 18m
Multiple Airlines
Mon 5/2510:05 am
PHL
-
ICN
2 stops41h 00m
Multiple Airlines
Deal found 1/25$493
This Gotogate deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2010:25 am
ICN
-
PHL
2 stops25h 18m
Multiple Airlines
Sun 5/244:20 pm
PHL
-
ICN
2 stops34h 45m
Multiple Airlines
Deal found 1/25$500
This Booking.com deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/115:55 pm
ICN
-
PHL
2 stops41h 51m
Air Canada
Wed 3/187:50 am
PHL
-
ICN
1 stop20h 35m
Air Canada
Deal found 1/25$501
This Air Canada deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/26:55 pm
ICN
-
PHL
2 stops33h 52m
Air Canada
Thu 3/263:30 pm
PHL
-
ICN
2 stops36h 55m
Air Canada
Deal found 1/27$506
This Japan Airlines deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/207:55 am
GMP
-
PHL
2 stops27h 01m
Japan Airlines
Sat 10/248:25 am
PHL
-
GMP
2 stops48h 40m
Japan Airlines
Deal found 1/26$1,582
This Expedia deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/117:40 pm
GMP
-
PHL
2 stops32h 04m
Japan Airlines
Wed 3/187:00 am
PHL
-
GMP
2 stops26h 05m
Japan Airlines
Deal found 1/25$1,584
This Japan Airlines deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/208:00 am
GMP
-
PHL
2 stops22h 55m
Multiple Airlines
Mon 3/28:15 am
PHL
-
GMP
2 stops23h 50m
Multiple Airlines
Deal found 1/26$1,602
This Japan Airlines deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/3012:05 pm
GMP
-
PHL
2 stops22h 11m
Multiple Airlines
Sun 2/86:15 am
PHL
-
GMP
2 stops25h 50m
Multiple Airlines
Deal found 1/26$1,611

Find flight deals from Seoul to Philadelphia

Discover tips and strategies to find the most affordable flight options for your journey from Seoul (SEL) to Philadelphia (PHL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$464
(Hanatour)

One-way from

$301
(Booking.com)

Popular in

December

Cheapest in

February

Average price

$1,407
Provider with most accurate pricing for Seoul (SEL)-Philadelphia flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seoul (SEL)-Philadelphia flights.
Search Deals
From Seoul (SEL) to Philadelphia
Search Deals
One-way flight from Seoul (SEL) to Philadelphia
Search Deals
Highest demand for flights based on searches. 25% potential increase in price ($360 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seoul to Philadelphia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 27, 2026.
Use the filters below to find and compare flights from Seoul to Philadelphia that are best for you.

Fly from

Seoul

Fly to

Philadelphia

Route

Depart

Return

Price

IncheonPhiladelphia

ICN - PHL

ICNPHL

Incheon Intl

Wed 5/20

7:05 pm-9:48 am

1 stop27h 43m

Philadelphia

Mon 5/25

6:00 am-4:05 pm

2 stops21h 05m

$464

IncheonPhiladelphia

ICN - PHL

ICNPHL

Incheon Intl

Wed 5/20

7:05 pm-9:48 am

1 stop27h 43m

Philadelphia

Sun 5/24

4:20 pm-4:05 pm

2 stops34h 45m

$479

IncheonPhiladelphia

ICN - PHL

ICNPHL

Incheon Intl

Wed 6/3

5:45 pm-9:33 pm

2 stops40h 48m

Philadelphia

Tue 6/9

10:05 am-4:05 pm

2 stops41h 00m

$483

IncheonPhiladelphia

ICN - PHL

ICNPHL

Incheon Intl

Wed 5/20

10:25 am-10:43 pm

2 stops25h 18m

Philadelphia

Sun 5/24

4:20 pm-4:05 pm

2 stops34h 45m

$500

IncheonPhiladelphia

ICN - PHL

ICNPHL

Incheon Intl

Wed 3/11

5:55 pm-10:46 pm

2 stops41h 51m

Philadelphia

Wed 3/18

7:50 am-5:25 pm

1 stop20h 35m

$501

SeoulPhiladelphia

GMP - PHL

GMPPHL

Seoul Gimpo Intl

Wed 3/11

7:40 pm-2:44 pm

2 stops32h 04m

Philadelphia

Wed 3/18

7:00 am-10:05 pm

2 stops26h 05m

$1,584

SeoulPhiladelphia

GMP - PHL

GMPPHL

Seoul Gimpo Intl

Fri 2/20

8:00 am-5:55 pm

2 stops23h 55m

Philadelphia

Mon 3/2

8:15 am-10:05 pm

2 stops23h 50m

$1,602

SeoulPhiladelphia

GMP - PHL

GMPPHL

Seoul Gimpo Intl

Wed 5/20

7:55 am-2:21 pm

2 stops19h 26m

Philadelphia

Mon 5/25

10:05 pm-10:45 am

2 stops23h 40m

$1,624

SeoulPhiladelphia

GMP - PHL

GMPPHL

Seoul Gimpo Intl

Wed 5/20

7:55 pm-2:22 pm

2 stops31h 27m

Philadelphia

Sun 5/24

1:00 pm-11:05 am

2 stops33h 05m

$1,664

IncheonPhiladelphia

ICN - PHL

ICNPHL

Incheon Intl

Fri 3/6

6:55 pm-3:49 pm

2 stops34h 54m

$310

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 28 results
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Compare providers for flights from Seoul to Philadelphia

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seoul to Philadelphia in January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Seoul-Philadelphia flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seoul-Philadelphia flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seoul-Philadelphia flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seoul-Philadelphia flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seoul-Philadelphia flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Seoul to Philadelphia

Have a flexible travel schedule? Discover the best time to fly to Philadelphia from Seoul with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Seoul to Philadelphia

What is the cheapest month to book a flight from Seoul to Philadelphia?

Currently, December is the cheapest month in which you can book a flight from Seoul to Philadelphia (average of $285). Flying from Seoul to Philadelphia in July is currently the most expensive (average of $638). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Philadelphia

Get insights into the airlines that provide service to Philadelphia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Philadelphia. Reviews last updated January 27, 2026.
Read through reviews of airlines operating flights from Seoul to Philadelphia, such as Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,118 reviews

Crew

8.5

Food

7.2

Entertainment

7.8

Overall

7.9

Boarding

8.1

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,118 reviews
Delta
7.9
Good
8,118 reviews

Crew

8.5

Food

7.2

Entertainment

7.8

Overall

7.9

Boarding

8.1

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Seoul to Philadelphia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Philadelphia from Seoul?

    Philadelphia (PHL), located 7.0 mi from the city center, is the airport you fly into when you book flights from Seoul to Philadelphia. 1 airline have flights to Philadelphia from Seoul on a regular basis. Booking flights from Seoul to Philadelphia should not be difficult; the airport handles an average of 0 inbound flights from Seoul per day.

  • How long is the flight from Seoul to Philadelphia?

    There are many flights that can get you from Seoul to Philadelphia in 27h 43m. Fly via Air Canada or Japan Airlines to get the fastest option. There are 6915 mi between Seoul and Philadelphia. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from Seoul to Philadelphia round-trip?

    Delta, at $626, was found to be the cheapest airline from Seoul to Philadelphia.. You may be able to fly from Seoul to Philadelphia for 40% less than the average price by searching for this airline.

  • What are the cheapest airlines to fly from Seoul to Philadelphia one-way?

    For one-way options, check prices for United Airlines. According to our data, you can fly for as low as $411. Users have also found prices from $439 and $441 on American Airlines and Air Canada, respectively.

  • Can I find deals for flights from Seoul to Philadelphia that include hotel bookings?

    Yes. In addition to deals on Seoul to Philadelphia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seoul to Philadelphia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seoul to Philadelphia.

  • Can I find deals for business class flights from Seoul to Philadelphia?

    Yes. Cheapflights offers flight deals from Seoul to Philadelphia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Seoul to Philadelphia?

    Currently, December is the cheapest month in which you can book a flight from Seoul to Philadelphia (average of $285). Flying from Seoul to Philadelphia in July is currently the most expensive (average of $638). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Philadelphia?

Book flights to Philadelphia if you plan to visit one of these locations
Wildwood
Pottstown
Reading
Ocean City
King of Prussia
Cherry Hill
Lewes
Dewey Beach
Ephrata
Camden
Vineland
Milford
Dover
Elkton
Essington
Willow Grove
New Castle
Millville
Newark
Chester

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top airline flying from Seoul to Philadelphia

Discover the top airline that operate flights from Seoul to Philadelphia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$626Average$877FlexibilityNo cancel feeOn-timeN/A

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