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South Korea

$423+ Cheap flights from Pennsylvania to South Korea

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 8/22. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — ICN
Aug 13 — Aug 201
Thu 8/13
Thu 8/20
1 adult, Economy
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Cheap flight deals from Pennsylvania to South Korea

Cheapest flights from Pennsylvania to South Korea
Explore the most affordable flight options available from Pennsylvania to South Korea. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 14, 2026.

This United Airlines deal was found by Cheapflights users on 7/13. 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 10/1210:35 am
EWR
-
ICN
Nonstop15h 45m
United Airlines
Sat 11/216:30 pm
ICN
-
EWR
Nonstop13h 40m
United Airlines
Deal found 7/13$832
This United Airlines deal was found by Cheapflights users on 7/13. 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.
Sat 10/245:00 pm
EWR
-
ICN
1 stop22h 40m
United Airlines
Mon 11/166:30 pm
ICN
-
EWR
Nonstop13h 40m
United Airlines
Deal found 7/13$836
This oojo deal was found by Cheapflights users on 7/14. 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.
Mon 8/311:00 am
EWR
-
ICN
Nonstop15h 15m
AIR PREMIA
Fri 9/119:25 pm
ICN
-
EWR
Nonstop14h 05m
AIR PREMIA
Deal found 7/14$839
This oojo deal was found by Cheapflights users on 7/13. 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.
Mon 10/51:00 am
EWR
-
ICN
Nonstop15h 15m
AIR PREMIA
Tue 11/179:55 pm
ICN
-
EWR
Nonstop13h 35m
AIR PREMIA
Deal found 7/13$841
This United Airlines deal was found by Cheapflights users on 7/13. 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.
Sun 10/1110:35 am
EWR
-
ICN
Nonstop15h 45m
United Airlines
Mon 11/1612:45 pm
ICN
-
EWR
1 stop26h 14m
United Airlines
Deal found 7/13$842
This KAYAK deal was found by Cheapflights users on 7/13. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/131:00 am
EWR
-
ICN
Nonstop15h 15m
AIR PREMIA
Mon 9/149:25 pm
ICN
-
EWR
Nonstop14h 05m
AIR PREMIA
Deal found 7/13$844
This Ovago deal was found by Cheapflights users on 7/13. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/121:00 am
EWR
-
ICN
Nonstop15h 15m
AIR PREMIA
Tue 9/159:25 pm
ICN
-
EWR
Nonstop14h 05m
AIR PREMIA
Deal found 7/13$845
This United Airlines deal was found by Cheapflights users on 7/13. 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 10/1210:35 am
EWR
-
ICN
Nonstop15h 45m
United Airlines
Fri 11/206:00 pm
ICN
-
EWR
2 stops20h 59m
United Airlines
Deal found 7/13$846
This oojo deal was found by Cheapflights users on 7/14. 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.
Mon 8/311:00 am
EWR
-
ICN
Nonstop15h 15m
AIR PREMIA
Thu 9/109:25 pm
ICN
-
EWR
Nonstop14h 05m
AIR PREMIA
Deal found 7/14$847
This Kiwi.com deal was found by Cheapflights users on 7/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2510:29 pm
EWR
-
ICN
2 stops31h 16m
Multiple Airlines
Wed 10/79:25 pm
ICN
-
EWR
Nonstop14h 05m
Multiple Airlines
Deal found 7/13$848
This United Airlines deal was found by Cheapflights users on 7/13. 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.
Sun 11/159:00 am
EWR
-
ICN
1 stop41h 15m
United Airlines
Sun 11/226:30 pm
ICN
-
EWR
Nonstop13h 40m
United Airlines
Deal found 7/13$849
This United Airlines deal was found by Cheapflights users on 7/13. 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 10/296:00 am
EWR
-
ICN
1 stop21h 15m
United Airlines
Sat 11/712:45 pm
ICN
-
EWR
2 stops30h 53m
United Airlines
Deal found 7/13$851

Find flight deals from Pennsylvania to South Korea

Keep the following information in mind while searching for Pennsylvania to South Korea flight deals. Data was last updated July 14, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$780
(Kiwi.com)

One-way from

$423
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$1,439
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 South Korea
Search Deals
One-way flight from Pennsylvania to South Korea
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 South Korea 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 14, 2026.
Use the filters below to find and compare flights from Pennsylvania to South Korea that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

NewarkIncheon

EWR - ICN

EWRICN

Newark

Sun 8/16

1:00 am-5:15 am

Nonstop15h 15m

Incheon Intl

Wed 9/9

9:25 pm-10:30 pm

Nonstop14h 05m

$856

NewarkIncheon

EWR - ICN

EWRICN

Newark

Sat 11/7

7:15 pm-5:40 am

1 stop20h 25m

Incheon Intl

Fri 11/13

6:30 pm-6:10 pm

Nonstop13h 40m

$886

NewarkIncheon

EWR - ICN

EWRICN

Newark

Sat 9/12

1:00 am-5:15 am

Nonstop15h 15m

Incheon Intl

Fri 9/25

9:25 pm-10:30 pm

Nonstop14h 05m

$889

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Tue 9/29

7:00 am-5:30 pm

1 stop21h 30m

Incheon Intl

Mon 11/2

6:55 pm-2:44 pm

2 stops33h 49m

$1,051

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Thu 8/13

5:15 am-2:10 pm

1 stop19h 55m

Incheon Intl

Mon 8/31

7:00 pm-5:50 am

1 stop23h 50m

$1,104

NewarkIncheon

EWR - ICN

EWRICN

Newark

Sat 10/10

6:58 pm-2:10 pm

1 stop30h 12m

Incheon Intl

Thu 10/22

4:25 pm-10:29 pm

1 stop19h 04m

$1,116

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Fri 8/28

6:05 am-5:20 pm

2 stops22h 15m

Incheon Intl

Fri 9/4

7:00 pm-6:05 am

2 stops24h 05m

$1,209

NewarkIncheon

EWR - ICN

EWRICN

Newark

Wed 11/4

1:25 am-6:20 pm

1 stop26h 55m

Incheon Intl

Wed 11/25

10:35 am-10:30 pm

1 stop25h 55m

$1,223

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

Mon 10/5

6:00 am-2:05 pm

2 stops43h 05m

Incheon Intl

Mon 10/19

1:40 pm-5:32 am

2 stops28h 52m

$1,224

NewarkIncheon

EWR - ICN

EWRICN

Newark

Sat 11/14

1:18 pm-5:40 am

2 stops26h 22m

Incheon Intl

Sun 11/22

6:00 pm-5:38 am

2 stops25h 38m

$1,231

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/9

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Pennsylvania to South Korea

Have a flexible travel schedule? Discover the best time to fly to South Korea 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 South Korea

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

Currently, November is the cheapest month in which you can book a flight from Pennsylvania to South Korea (average of $543). Flying from Pennsylvania to South Korea in July is currently the most expensive (average of $880). 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 far ahead should I book a flight from Pennsylvania to South Korea?

To ensure you get the cheapest price possible for a flight from Pennsylvania to South Korea, 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 South Korea. 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 South Korea?

    A quick flight from Pennsylvania to South Korea can take about 15h 15m. AIR PREMIA provides one of the quickest options available for as low as $856. The distance from Pennsylvania to South Korea is about 6877 mi. This flight may include one or multiple stops.

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

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $78. American Airlines flights start at $98 while deals on United Airlines start at $118 one-way.

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

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

  • How can I find direct flights from Pennsylvania to South Korea?

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

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

    Yes. Cheapflights offers flight deals from Pennsylvania to South Korea 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 South Korea?

    Currently, November is the cheapest month in which you can book a flight from Pennsylvania to South Korea (average of $543). Flying from Pennsylvania to South Korea in July is currently the most expensive (average of $880). 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 South Korea

See prices for flight routes from nearby airports that may be better suited for you.
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Top 7 airlines flying from Pennsylvania to South Korea

Discover the top 7 airlines that operate flights from Pennsylvania to South Korea. 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 14, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$780Average$1,259FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$845Average$1,224FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$845Average$866FlexibilityNo cancel feeOn-time75%
DeltaCheapest$845Average$1,388FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$850Average$1,264FlexibilityNo cancel feeOn-time69%
Asiana AirlinesCheapest$915Average$1,118FlexibilityNo cancel feeOn-time76%
Korean AirCheapest$1,129Average$1,204FlexibilityNo cancel feeOn-time81%

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