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$397+ Cheap flights from Pennsylvania to Seoul (SEL)

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 4/9. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SEL
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap flight deals from Pennsylvania to Seoul

Cheapest flights from Pennsylvania to Seoul
Explore the most affordable flight options available from Pennsylvania to Seoul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This Expedia deal was found by Cheapflights users on 1/28. 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.
Mon 9/286:45 am
PHL
-
ICN
1 stop21h 45m
Multiple Airlines
Tue 11/36:55 pm
ICN
-
PHL
2 stops57h 52m
Multiple Airlines
Deal found 1/28$744
This Travelocity 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/106:45 am
PHL
-
ICN
1 stop21h 45m
Multiple Airlines
Wed 9/166:00 pm
ICN
-
PHL
1 stop16h 37m
Multiple Airlines
Deal found 1/27$759
This Expedia deal was found by Cheapflights users on 1/28. 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 4/86:47 pm
PHL
-
ICN
1 stop34h 48m
Multiple Airlines
Thu 4/165:45 pm
ICN
-
PHL
2 stops58h 59m
Multiple Airlines
Deal found 1/28$764
This Expedia deal was found by Cheapflights users on 1/28. 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.
Thu 4/167:25 am
PHL
-
ICN
1 stop22h 10m
Multiple Airlines
Wed 5/67:05 pm
ICN
-
PHL
2 stops39h 28m
Multiple Airlines
Deal found 1/28$767
This Expedia deal was found by Cheapflights users on 1/28. 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.
Mon 9/76:45 am
PHL
-
ICN
1 stop21h 45m
Multiple Airlines
Thu 9/179:00 am
ICN
-
PHL
2 stops25h 37m
Multiple Airlines
Deal found 1/28$771
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/66:45 am
PHL
-
ICN
1 stop21h 45m
Multiple Airlines
Sun 9/133:45 pm
ICN
-
PHL
2 stops42h 52m
Multiple Airlines
Deal found 1/27$779
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 2/93:30 pm
PHL
-
ICN
2 stops34h 30m
Air Canada
Mon 2/166:55 pm
ICN
-
PHL
2 stops33h 52m
Air Canada
Deal found 1/27$798
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.
Sun 2/13:30 pm
PHL
-
ICN
2 stops35h 40m
Air Canada
Tue 2/176:55 pm
ICN
-
PHL
2 stops33h 52m
Air Canada
Deal found 1/27$801
This Air Canada deal was found by Cheapflights users on 1/28. 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 2/27:50 am
PHL
-
ICN
1 stop20h 35m
Air Canada
Thu 2/58:10 pm
ICN
-
PHL
1 stop33h 14m
Air Canada
Deal found 1/28$808
This CrystalTravel deal was found by Cheapflights users on 1/28. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/148:55 pm
JFK
-
ICN
2 stops28h 25m
Ethiopian Air
Sun 2/2211:40 pm
ICN
-
JFK
2 stops33h 15m
Ethiopian Air
Deal found 1/28$829
This Cheapflightsfares deal was found by Cheapflights users on 1/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/79:45 pm
EWR
-
ICN
2 stops29h 15m
Ethiopian Air
Mon 4/2012:20 am
ICN
-
EWR
2 stops32h 25m
Ethiopian Air
Deal found 1/28$836
This Cheapflightsfares deal was found by Cheapflights users on 1/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/58:55 pm
JFK
-
ICN
2 stops28h 25m
Ethiopian Air
Thu 2/1211:40 pm
ICN
-
JFK
2 stops33h 15m
Ethiopian Air
Deal found 1/28$836

Find flight deals from Pennsylvania to Seoul

Keep the following information in mind while searching for Pennsylvania to Seoul flight deals. Data was last updated January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$764
(Expedia)

One-way from

$397
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$1,105
Provider with most accurate pricing for Philadelphia-Seoul (SEL) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Philadelphia-Seoul (SEL) flights.
Search Deals
From Pennsylvania to Seoul (SEL)
Search Deals
One-way flight from Pennsylvania to Seoul (SEL)
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($278 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($88 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 Pennsylvania to Seoul 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 29, 2026.
Use the filters below to find and compare flights from Pennsylvania to Seoul that are best for you.

Fly from

Pennsylvania

Fly to

Seoul

Route

Depart

Return

Price

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Tue 2/24

4:05 pm-5:10 pm

2 stops35h 05m

Incheon Intl

Tue 3/3

6:55 pm-2:47 pm

2 stops33h 52m

$841

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Wed 2/25

12:55 pm-5:40 am

2 stops26h 45m

Incheon Intl

Tue 3/10

11:45 am-11:32 pm

2 stops24h 47m

$851

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Tue 2/24

5:00 pm-4:15 pm

2 stops33h 15m

Incheon Intl

Tue 3/3

12:45 pm-2:19 pm

3 stops39h 34m

$861

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Mon 4/27

5:44 am-2:10 pm

1 stop19h 26m

Incheon Intl

Sun 5/31

7:00 pm-6:05 am

1 stop24h 05m

$867

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Fri 4/24

7:00 am-3:20 pm

1 stop19h 20m

Incheon Intl

Sat 5/23

6:50 pm-12:25 am

1 stop18h 35m

$867

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Sat 4/11

3:45 pm-4:00 am

1 stop23h 15m

Incheon Intl

Thu 4/16

7:20 pm-5:35 am

1 stop23h 15m

$867

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Mon 2/9

6:00 am-4:50 pm

1 stop20h 50m

Incheon Intl

Sat 2/14

7:25 pm-12:24 am

1 stop18h 59m

$867

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Fri 4/10

7:36 pm-2:10 pm

1 stop29h 34m

Incheon Intl

Fri 4/17

7:20 pm-5:35 am

1 stop23h 15m

$867

New YorkSeoul

JFK - GMP

JFKGMP

New York John F Kennedy Intl

Mon 3/2

12:40 am-6:20 pm

1 stop27h 40m

Seoul Gimpo Intl

Mon 3/9

12:05 pm-7:40 pm

1 stop20h 35m

$939

New YorkSeoul

JFK - GMP

JFKGMP

New York John F Kennedy Intl

Tue 2/24

12:50 pm-10:55 am

1 stop32h 05m

Seoul Gimpo Intl

Mon 3/2

12:05 pm-6:40 pm

1 stop20h 35m

$939

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

Showing 1-10 of 60 results
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Best time to book a flight from Pennsylvania to Seoul

Have a flexible travel schedule? Discover the best time to fly to Seoul from Pennsylvania 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 Pennsylvania to Seoul

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

Currently, August is the cheapest month in which you can book a flight from Pennsylvania to Seoul (average of $504). Flying from Pennsylvania to Seoul in December is currently the most expensive (average of $1,063). 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.

How much does it cost to fly round-trip from Pennsylvania to Seoul?

Related info for your journey

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

  • How long is the flight from Pennsylvania to Seoul?

    There are many flights that can get you from Pennsylvania to Seoul in 19h 26m. Fly via Air Canada, United Airlines, or Delta to get the fastest option. Airlines will cover a distance of 6915 mi. This flight may include one or multiple stops.

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

    For one-way options, check prices for Delta. According to our data, you can fly for as low as $339. Users have also found prices from $394 and $418 on American Airlines and United Airlines, respectively.

  • What are the most popular routes from Pennsylvania to Seoul?

    The most popular flight routes from Pennsylvania to Seoul are New York John F Kennedy Intl - Incheon Intl, Washington, D.C. Dulles Intl - Incheon Intl and New York John F Kennedy Intl - Seoul Gimpo Intl.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Pennsylvania to Seoul 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 Pennsylvania to Seoul?

    Currently, August is the cheapest month in which you can book a flight from Pennsylvania to Seoul (average of $504). Flying from Pennsylvania to Seoul in December is currently the most expensive (average of $1,063). 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

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Alternative routes for Pennsylvania to Seoul

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Incheon Intl flights
John F Kennedy Intl to Incheon Intl flights
Seattle to Incheon Intl flights
San Francisco to Incheon Intl flights
Dallas/Fort Worth to Incheon Intl flights
Dulles Intl to Incheon Intl flights
Los Angeles to Gimpo Intl flights
San Francisco to Gimpo Intl flights
John F Kennedy Intl to Gimpo Intl flights
Newark to Incheon Intl flights
O'Hare Intl to Incheon Intl flights
LaGuardia to Incheon Intl flights
Atlanta to Incheon Intl flights
Seattle to Gimpo Intl flights
Boston to Incheon Intl flights
Ontario to Incheon Intl flights
Honolulu to Incheon Intl flights
Hobby to Incheon Intl flights
Reagan-National to Incheon Intl flights
Dallas/Fort Worth to Gimpo Intl flights
Baltimore to Incheon Intl flights
Dulles Intl to Gimpo Intl flights
Minneapolis to Incheon Intl flights
Orlando to Incheon Intl flights
Love Field to Incheon Intl flights
George Bush Intcntl to Incheon Intl flights
Salt Lake City to Incheon Intl flights
Newark to Gimpo Intl flights
O'Hare Intl to Gimpo Intl flights
Boston to Gimpo Intl flights
Santa Ana to Incheon Intl flights
San Jose to Incheon Intl flights
Austin to Incheon Intl flights
Baltimore to Gimpo Intl flights
Philadelphia to Incheon Intl flights
Oakland to Incheon Intl flights
Portland to Incheon Intl flights
Honolulu to Gimpo Intl flights
Burbank to Incheon Intl flights
Las Vegas to Incheon Intl flights
Atlanta to Gimpo Intl flights
Reagan-National to Gimpo Intl flights
Raleigh to Incheon Intl flights
San Diego to Incheon Intl flights
Detroit to Incheon Intl flights
Orlando to Gimpo Intl flights
Miami to Incheon Intl flights
Sky Harbor Intl to Incheon Intl flights
Denver to Incheon Intl flights

Top 5 airlines flying from Pennsylvania to Seoul

Discover the top 5 airlines that operate flights from Pennsylvania to Seoul. 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 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$504Average$1,233FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$777Average$1,061FlexibilityNo cancel feeOn-time67%
DeltaCheapest$833Average$1,321FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$865Average$1,158FlexibilityNo cancel feeOn-time71%
Korean AirCheapest$1,076Average$1,334FlexibilityNo cancel feeOn-time81%

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