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$437+ 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 8/25. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SEL
Aug 28 — Sep 41
Fri 8/28
Fri 9/4
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 July 29, 2026.

This oojo deal was found by Cheapflights users on 7/24. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/281:00 am
EWR
-
ICN
Nonstop15h 40m
AIR PREMIA
Mon 11/239:55 pm
ICN
-
EWR
Nonstop13h 35m
AIR PREMIA
Deal found 7/24$777
This United Airlines deal was found by Cheapflights users on 7/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/310:30 am
EWR
-
ICN
Nonstop15h 55m
United Airlines
Thu 11/126:30 pm
ICN
-
EWR
Nonstop13h 40m
United Airlines
Deal found 7/29$782
This Kissandfly.com deal was found by Cheapflights users on 7/28. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/810:30 am
EWR
-
ICN
Nonstop15h 55m
Lufthansa
Tue 12/156:30 pm
ICN
-
EWR
Nonstop13h 40m
Lufthansa
Deal found 7/28$784
This Kissandfly.com deal was found by Cheapflights users on 7/27. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/3010:30 am
EWR
-
ICN
Nonstop15h 55m
Lufthansa
Wed 12/96:30 pm
ICN
-
EWR
Nonstop13h 40m
Lufthansa
Deal found 7/27$785
This United Airlines deal was found by Cheapflights users on 7/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/281:15 pm
EWR
-
ICN
1 stop26h 25m
United Airlines
Wed 11/46:30 pm
ICN
-
EWR
Nonstop13h 40m
United Airlines
Deal found 7/27$786
This United Airlines deal was found by Cheapflights users on 7/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/37:15 pm
EWR
-
ICN
1 stop20h 25m
United Airlines
Tue 11/176:30 pm
ICN
-
EWR
Nonstop13h 40m
United Airlines
Deal found 7/29$787
This United Airlines deal was found by Cheapflights users on 7/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/22:13 pm
EWR
-
ICN
2 stops25h 27m
United Airlines
Mon 11/236:30 pm
ICN
-
EWR
Nonstop13h 40m
United Airlines
Deal found 7/29$791
This United Airlines deal was found by Cheapflights users on 7/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2910:30 am
EWR
-
ICN
Nonstop15h 55m
United Airlines
Tue 11/312:45 pm
ICN
-
EWR
1 stop19h 43m
United Airlines
Deal found 7/28$792
This United Airlines deal was found by Cheapflights users on 7/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/219:30 pm
EWR
-
ICN
2 stops28h 30m
United Airlines
Wed 11/46:30 pm
ICN
-
EWR
Nonstop13h 40m
United Airlines
Deal found 7/24$796
This United Airlines deal was found by Cheapflights users on 7/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2910:30 am
EWR
-
ICN
Nonstop15h 55m
United Airlines
Wed 11/2512:45 pm
ICN
-
EWR
2 stops23h 10m
United Airlines
Deal found 7/29$797
This United Airlines deal was found by Cheapflights users on 7/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2010:35 am
EWR
-
ICN
Nonstop15h 45m
United Airlines
Mon 11/212:45 pm
ICN
-
EWR
1 stop33h 37m
United Airlines
Deal found 7/27$799
This Kissandfly.com deal was found by Cheapflights users on 7/26. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2610:30 am
EWR
-
ICN
Nonstop15h 55m
Lufthansa
Mon 11/26:30 pm
ICN
-
EWR
Nonstop13h 40m
Lufthansa
Deal found 7/26$800

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 July 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$777
(oojo)

One-way from

$437
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$1,391
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. 11% potential increase in price ($159 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($62 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 July 29, 2026.
Use the filters below to find and compare flights from Pennsylvania to Seoul that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

NewarkIncheon

EWR - ICN

EWRICN

Newark

Thu 12/3

10:30 am-4:25 pm

Nonstop15h 55m

Incheon Intl

Mon 12/14

6:30 pm-6:10 pm

Nonstop13h 40m

$782

NewarkIncheon

EWR - ICN

EWRICN

Newark

Thu 10/29

10:30 am-3:25 pm

Nonstop15h 55m

Incheon Intl

Thu 11/12

6:30 pm-6:10 pm

Nonstop13h 40m

$782

NewarkIncheon

EWR - ICN

EWRICN

Newark

Mon 11/16

7:15 pm-5:40 am

1 stop20h 25m

Incheon Intl

Mon 2/15

6:30 pm-6:10 pm

Nonstop13h 40m

$787

NewarkIncheon

EWR - ICN

EWRICN

Newark

Sun 10/25

9:00 pm-4:15 pm

2 stops30h 15m

Incheon Intl

Tue 11/3

6:30 pm-6:10 pm

Nonstop13h 40m

$797

NewarkIncheon

EWR - ICN

EWRICN

Newark

Tue 11/10

1:29 pm-5:40 am

2 stops26h 11m

Incheon Intl

Thu 3/4

6:00 pm-10:45 pm

1 stop18h 45m

$801

NewarkIncheon

EWR - ICN

EWRICN

Newark

Tue 12/1

9:59 pm-4:15 pm

2 stops28h 16m

Incheon Intl

Thu 12/10

6:00 pm-7:31 am

2 stops27h 31m

$801

NewarkIncheon

EWR - ICN

EWRICN

Newark

Tue 11/17

6:00 am-4:15 pm

1 stop20h 15m

Incheon Intl

Tue 11/24

6:00 pm-10:02 am

2 stops30h 02m

$801

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

Sun 10/25

9:05 pm-5:15 pm

1 stop31h 10m

Incheon Intl

Mon 11/9

12:20 am-3:55 pm

1 stop29h 35m

$998

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Thu 8/6

6:15 am-2:10 pm

1 stop18h 55m

Incheon Intl

Thu 8/20

7:20 pm-6:05 am

1 stop23h 45m

$1,105

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Thu 8/20

6:05 am-4:25 pm

1 stop21h 20m

Incheon Intl

Mon 9/7

7:20 pm-6:05 am

1 stop23h 45m

$1,105

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 60 resultsSorted by cheapest first
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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, January is the cheapest month in which you can book a flight from Pennsylvania to Seoul (average of $863). Flying from Pennsylvania to Seoul in December is currently the most expensive (average of $1,614). 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?

Airfare is typical for this route at the moment.
Pennsylvania to Seoul flights typically cost between $871 and $1,280 in August.
The cheapest round-trip price found within the last 5 days was $1,067 on Multiple Airlines (Aug 20-Sep 5).

How far ahead should I book a flight from Pennsylvania to Seoul?

To ensure you get the cheapest price possible for a flight from Pennsylvania to Seoul, you should look to book at least 21 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 15h 55m. Fly via United Airlines, Qatar Airways, or Delta to get the fastest option. Airlines will cover a distance of 6877 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 $418. Users have also found prices from $418 and $524 on United Airlines and Air Canada, 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, New York LaGuardia - Incheon Intl and Newark - Incheon 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, January is the cheapest month in which you can book a flight from Pennsylvania to Seoul (average of $863). Flying from Pennsylvania to Seoul in December is currently the most expensive (average of $1,614). 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

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 7 airlines flying from Pennsylvania to Seoul

Discover the top 7 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 July 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$780Average$1,261FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$845Average$1,224FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$845Average$866FlexibilityNo cancel feeOn-time75%
DeltaCheapest$845Average$1,417FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$850Average$1,264FlexibilityNo cancel feeOn-time69%
Asiana AirlinesCheapest$915Average$1,175FlexibilityNo cancel feeOn-time76%
Korean AirCheapest$1,129Average$1,229FlexibilityNo cancel feeOn-time81%

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