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$446+ 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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SEL
Jul 10 — Jul 171
Fri 7/10
Fri 7/17
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 June 10, 2026.

This AIR PREMIA deal was found by Cheapflights users on 6/7. 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 PREMIA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/311:00 am
EWR
-
ICN
Nonstop15h 40m
AIR PREMIA
Tue 11/109:55 pm
ICN
-
EWR
Nonstop13h 35m
AIR PREMIA
Deal found 6/7$871
This United Airlines deal was found by Cheapflights users on 6/7. 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.
Fri 10/2310:35 am
EWR
-
ICN
Nonstop15h 45m
United Airlines
Wed 10/286:00 pm
ICN
-
EWR
1 stop18h 56m
United Airlines
Deal found 6/7$881
This FlightHub deal was found by Cheapflights users on 6/5. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/712:01 am
EWR
-
ICN
Nonstop15h 39m
AIR PREMIA
Sat 11/149:55 pm
ICN
-
EWR
Nonstop13h 35m
AIR PREMIA
Deal found 6/5$883
This United Airlines deal was found by Cheapflights users on 6/7. 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 10/257:15 pm
EWR
-
ICN
1 stop32h 00m
United Airlines
Sat 10/315:30 pm
ICN
-
EWR
Nonstop13h 40m
United Airlines
Deal found 6/7$889
This AIR PREMIA deal was found by Cheapflights users on 6/7. 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 PREMIA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/121:00 am
EWR
-
ICN
Nonstop15h 15m
AIR PREMIA
Tue 11/39:55 pm
ICN
-
EWR
Nonstop13h 35m
AIR PREMIA
Deal found 6/7$909
This FlightHub deal was found by Cheapflights users on 6/5. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/112:01 am
EWR
-
ICN
Nonstop15h 39m
AIR PREMIA
Mon 11/99:55 pm
ICN
-
EWR
Nonstop13h 35m
AIR PREMIA
Deal found 6/5$911
This KAYAK deal was found by Cheapflights users on 6/8. 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.
Sun 11/18:20 am
EWR
-
ICN
1 stop41h 55m
Asiana Airlines
Fri 11/206:30 pm
ICN
-
EWR
Nonstop13h 40m
Asiana Airlines
Deal found 6/8$914
This Jettzy deal was found by Cheapflights users on 6/5. 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 Jettzy is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/201:00 am
EWR
-
ICN
Nonstop15h 15m
AIR PREMIA
Tue 11/179:55 pm
ICN
-
EWR
Nonstop13h 35m
AIR PREMIA
Deal found 6/5$916
This United Airlines deal was found by Cheapflights users on 6/8. 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.
Fri 10/3010:30 am
EWR
-
ICN
Nonstop15h 55m
United Airlines
Sun 11/226:30 pm
ICN
-
EWR
Nonstop13h 40m
United Airlines
Deal found 6/8$921
This KAYAK deal was found by Cheapflights users on 6/5. 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.
Tue 10/201:00 am
EWR
-
ICN
Nonstop15h 15m
AIR PREMIA
Thu 11/59:55 pm
ICN
-
EWR
Nonstop13h 35m
AIR PREMIA
Deal found 6/5$923
This FlightHub deal was found by Cheapflights users on 6/7. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/311:50 am
IAD
-
GMP
1 stop28h 25m
EVA Air
Sat 9/261:50 pm
GMP
-
IAD
1 stop21h 10m
EVA Air
Deal found 6/7$1,184
This Cheapflightsfares deal was found by Cheapflights users on 6/9. 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 9/810:30 am
JFK
-
GMP
1 stop18h 25m
Japan Airlines
Wed 9/308:00 am
GMP
-
JFK
1 stop22h 55m
Japan Airlines
Deal found 6/9$1,186

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 June 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$871
(AIR PREMIA)

One-way from

$446
(Philippine Airlines)

Popular in

December

Cheapest in

February

Average price

$1,719
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 ($156 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($61 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 June 10, 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

Mon 8/31

1:00 am-5:15 am

Nonstop15h 15m

Incheon Intl

Thu 9/17

9:25 pm-10:30 pm

Nonstop14h 05m

$1,001

NewarkIncheon

EWR - ICN

EWRICN

Newark

Thu 8/27

1:00 am-5:15 am

Nonstop15h 15m

Incheon Intl

Mon 9/14

9:25 pm-10:30 pm

Nonstop14h 05m

$1,111

NewarkIncheon

EWR - ICN

EWRICN

Newark

Tue 8/25

1:00 am-5:15 am

Nonstop15h 15m

Incheon Intl

Fri 9/18

9:25 pm-10:30 pm

Nonstop14h 05m

$1,156

New YorkIncheon

LGA - ICN

LGAICN

New York LaGuardia

Tue 10/20

3:45 pm-4:20 am

2 stops23h 35m

Incheon Intl

Wed 11/4

6:00 pm-11:27 pm

2 stops19h 27m

$1,211

NewarkIncheon

EWR - ICN

EWRICN

Newark

Sat 7/4

1:00 am-5:15 am

Nonstop15h 15m

Incheon Intl

Mon 7/13

9:25 pm-10:30 pm

Nonstop14h 05m

$1,276

New YorkSeoul

JFK - GMP

JFKGMP

New York John F Kennedy Intl

Fri 9/4

10:30 am-5:55 pm

1 stop18h 25m

Seoul Gimpo Intl

Tue 9/29

8:00 am-5:55 pm

1 stop22h 55m

$1,286

New YorkIncheon

JFK - ICN

JFKICN

New York John F Kennedy Intl

Tue 11/24

10:20 am-5:15 pm

1 stop40h 55m

Incheon Intl

Mon 12/21

11:05 am-8:00 am

2 stops34h 55m

$1,305

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Sun 9/6

9:00 am-7:15 pm

2 stops45h 15m

Incheon Intl

Sun 9/20

8:30 pm-8:49 pm

2 stops61h 19m

$1,306

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Thu 8/27

11:35 am-7:05 pm

2 stops42h 30m

Incheon Intl

Wed 9/30

8:00 am-8:06 pm

2 stops25h 06m

$1,312

New YorkSeoul

JFK - GMP

JFKGMP

New York John F Kennedy Intl

Sun 9/6

1:25 am-6:10 pm

1 stop27h 45m

Seoul Gimpo Intl

Wed 9/30

8:20 pm-10:05 pm

1 stop38h 45m

$1,321

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/9

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, August is the cheapest month in which you can book a flight from Pennsylvania to Seoul (average of $493). Flying from Pennsylvania to Seoul 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 much does it cost to fly round-trip from Pennsylvania to Seoul?

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 20 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 15m. Fly via AIR PREMIA, United Airlines, or Japan Airlines 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 $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, Newark - Incheon Intl and New York LaGuardia - 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, August is the cheapest month in which you can book a flight from Pennsylvania to Seoul (average of $493). Flying from Pennsylvania to Seoul 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

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 6 airlines flying from Pennsylvania to Seoul

Discover the top 6 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 June 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$780Average$1,224FlexibilityNo cancel feeOn-time67%
Korean AirCheapest$808Average$1,204FlexibilityNo cancel feeOn-time81%
American AirlinesCheapest$845Average$962FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$850Average$1,300FlexibilityNo cancel feeOn-time69%
DeltaCheapest$856Average$1,394FlexibilityNo cancel feeOn-timeN/A
Asiana AirlinesCheapest$915Average$1,118FlexibilityNo cancel feeOn-time76%

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