HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Seoul

$329+ 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 3/1. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SEL
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Pennsylvania to Seoul with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 December 18, 2025.

This KAYAK deal was found by Cheapflights users on 12/15. 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.
Mon 12/2910:00 amEWR - ICN
1 stop39h 45mEthiopian Air
Mon 1/2612:05 amICN - EWR
2 stops45h 55mEthiopian Air
Deal found 12/15$898
This Delta deal was found by Cheapflights users on 12/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/296:00 amPHL - ICN
1 stop20h 50mDelta
Sun 2/87:25 pmICN - PHL
1 stop18h 56mDelta
Deal found 12/16$991
This Gotogate deal was found by Cheapflights users on 12/16. 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 12/314:50 pmJFK - ICN
2 stops39h 20mMultiple Airlines
Mon 1/191:15 pmICN - JFK
2 stops21h 43mMultiple Airlines
Deal found 12/16$1,035
This United Airlines deal was found by Cheapflights users on 12/16. 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 12/296:17 amPHL - ICN
1 stop33h 23mUnited Airlines
Tue 2/106:00 pmICN - PHL
2 stops29h 37mUnited Airlines
Deal found 12/16$1,047
This Kiwi.com deal was found by Cheapflights users on 12/15. 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.
Wed 12/314:15 pmJFK - ICN
2 stops36h 35mMultiple Airlines
Wed 1/286:55 pmICN - JFK
1 stop26h 05mMultiple Airlines
Deal found 12/15$1,065
This Ethiopian Air deal was found by Cheapflights users on 12/17. 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 Ethiopian Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/308:55 pmJFK - ICN
2 stops28h 50mEthiopian Air
Fri 2/611:40 pmICN - JFK
2 stops33h 15mEthiopian Air
Deal found 12/17$1,071
This Gurufare deal was found by Cheapflights users on 12/17. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/308:55 pmJFK - ICN
2 stops28h 50mEthiopian Air
Sat 2/1411:40 pmICN - JFK
2 stops33h 15mEthiopian Air
Deal found 12/17$1,076
This Kiwi.com deal was found by Cheapflights users on 12/15. 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 12/3010:00 amJFK - ICN
2 stops42h 20mMultiple Airlines
Wed 1/286:55 pmICN - JFK
1 stop26h 05mMultiple Airlines
Deal found 12/15$1,114
This KAYAK deal was found by Cheapflights users on 12/15. 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.
Mon 12/2910:00 amEWR - ICN
1 stop39h 45mEthiopian Air
Mon 2/212:05 amICN - EWR
2 stops45h 55mEthiopian Air
Deal found 12/15$1,123
This KAYAK deal was found by Cheapflights users on 12/15. 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 12/308:55 pmJFK - ICN
2 stops28h 50mEthiopian Air
Mon 2/212:05 amICN - JFK
2 stops32h 50mEthiopian Air
Deal found 12/15$1,123
This American Airlines deal was found by Cheapflights users on 12/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:00 amLGA - ICN
1 stop20h 45mAmerican Airlines
Wed 1/217:15 pmICN - LGA
1 stop18h 19mAmerican Airlines
Deal found 12/16$1,125
This American Airlines deal was found by Cheapflights users on 12/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:00 amLGA - ICN
1 stop20h 45mAmerican Airlines
Fri 2/67:15 pmICN - LGA
1 stop18h 19mAmerican Airlines
Deal found 12/16$1,130

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 December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$375
(Expedia)

One-way from

$329
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$1,838
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. 15% potential increase in price ($205 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($66 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 18, 2025.
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

Sun 1/11

4:35 pm-6:25 pm

1 stop35h 50m

Incheon Intl

Mon 1/26

6:55 pm-2:47 pm

2 stops33h 52m

$811

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Thu 1/1

8:15 am-5:40 am

1 stop31h 25m

Incheon Intl

Mon 1/26

6:00 pm-9:52 pm

1 stop17h 52m

$846

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Fri 1/16

6:00 am-4:50 pm

1 stop20h 50m

Incheon Intl

Thu 3/5

9:35 am-7:25 pm

1 stop23h 50m

$846

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Sun 1/18

12:41 pm-5:45 am

2 stops27h 04m

Incheon Intl

Sat 1/24

7:30 pm-11:25 pm

1 stop17h 55m

$850

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Sun 1/18

3:43 pm-5:40 am

2 stops23h 57m

Incheon Intl

Fri 2/27

12:45 pm-11:30 pm

2 stops24h 45m

$850

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Thu 1/15

12:40 pm-5:40 am

2 stops27h 00m

Incheon Intl

Tue 3/3

6:00 pm-11:32 pm

2 stops19h 32m

$850

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Tue 1/20

1:10 pm-5:40 am

2 stops26h 30m

Incheon Intl

Thu 3/5

6:00 pm-9:31 pm

1 stop17h 31m

$850

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Thu 1/15

12:40 pm-5:40 am

2 stops27h 00m

Incheon Intl

Sat 2/28

6:00 pm-11:23 pm

2 stops19h 23m

$850

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Wed 1/21

10:30 am-5:40 am

2 stops29h 10m

Incheon Intl

Tue 3/3

6:00 pm-11:32 pm

2 stops19h 32m

$850

New YorkIncheon

LGA - ICN

LGAICN

New York LaGuardia

Tue 2/17

6:00 am-4:45 pm

1 stop20h 45m

Incheon Intl

Tue 2/24

7:15 pm-11:43 pm

1 stop18h 28m

$938

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 60 results
1
2
3
...
6

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 $1,057). 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.

What is the cheapest time of day to fly from PA to SEL?

Find hourly flight availability from Pennsylvania to Seoul. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.

A simple way to save on the total cost of your ticket is to fly from Pennsylvania to Seoul in the afternoon. If you’re flexible enough to do this you can expect to save up to 25% on your trip compared to booking a flight in the evening.

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 20h 50m. 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 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, 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 $1,057). 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.

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
Newark to Incheon Intl flights
O'Hare Intl to Incheon Intl flights
John F Kennedy Intl to Gimpo Intl flights
LaGuardia to Incheon Intl flights
Ontario to Incheon Intl flights
Atlanta to Incheon Intl flights
San Francisco to Gimpo Intl flights
Boston to Incheon Intl flights
Seattle to Gimpo Intl flights
Hobby to Incheon Intl flights
Dulles Intl to Gimpo Intl flights
Reagan-National to Incheon Intl flights
Baltimore to Incheon Intl flights
Honolulu to Incheon Intl flights
Dallas/Fort Worth to Gimpo Intl flights
Newark to Gimpo Intl flights
Love Field to Incheon Intl flights
O'Hare Intl to Gimpo Intl flights
Minneapolis to Incheon Intl flights
Orlando to Incheon Intl flights
George Bush Intcntl to Incheon Intl flights
Honolulu to Gimpo Intl flights
Baltimore to Gimpo Intl flights
Detroit to Incheon Intl flights
LaGuardia to Gimpo Intl flights
Sky Harbor Intl to Incheon Intl flights
George Bush Intcntl to Gimpo Intl flights
Austin to Incheon Intl flights
Atlanta to Gimpo Intl flights
Boston to Gimpo Intl flights
Tampa to Incheon Intl flights
Denver to Incheon Intl flights
Salt Lake City to Incheon Intl flights
Las Vegas to Incheon Intl flights
Midway to Incheon Intl flights
Reagan-National to Gimpo Intl flights
Philadelphia to Incheon Intl flights
Charlotte to Incheon Intl flights
Miami to Incheon Intl flights
Santa Ana to Incheon Intl flights
Portland to Incheon Intl flights
Los Angeles to Busan 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$533Average$1,210FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$795Average$1,059FlexibilityNo cancel feeOn-time67%
DeltaCheapest$848Average$1,342FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$870Average$1,178FlexibilityNo cancel feeOn-time71%
Korean AirCheapest$1,060Average$1,302FlexibilityNo cancel feeOn-time81%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.