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$456+ Cheap flights from Gimpo Intl (GMP) to Pennsylvania

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 10/12. Fares are subject to change and may not be available on all flights or dates of travel.
GMP — PHL
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap flight deals from Gimpo Intl to Pennsylvania

Keep the following information in mind while searching for Gimpo Intl to Pennsylvania flight deals. Data was last updated September 15, 2025.

Round-trip from

$824
(American Airlines)

One-way from

$456
(American Airlines)

Popular in

April

Cheapest in

October

Average price

$764
From Seoul Gimpo Intl to Pennsylvania
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One-way flight from Seoul Gimpo Intl to Pennsylvania
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Highest demand for flights based on searches. 18% potential increase in price ($208 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($48 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Gimpo Intl to Pennsylvania

Cheapest flights from Gimpo Intl to Pennsylvania
Explore the most affordable flight options available from Gimpo Intl to Pennsylvania. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This American Airlines deal was found by Cheapflights users on 9/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/147:55 amGMP - JFK
1 stop23h 15mMultiple Airlines
Mon 10/2711:15 amJFK - GMP
1 stop21h 50mMultiple Airlines
Deal found 9/14$824
This American Airlines deal was found by Cheapflights users on 9/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/147:55 amGMP - JFK
1 stop23h 15mMultiple Airlines
Tue 11/410:00 amJFK - GMP
1 stop22h 05mMultiple Airlines
Deal found 9/14$825
This American Airlines deal was found by Cheapflights users on 9/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/157:55 amGMP - JFK
1 stop23h 15mMultiple Airlines
Fri 10/2410:40 amJFK - GMP
1 stop22h 10mMultiple Airlines
Deal found 9/15$915
This Gotogate deal was found by Cheapflights users on 9/15. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/197:45 amGMP - JFK
1 stop16h 45mANA
Thu 2/261:05 pmJFK - GMP
1 stop19h 25mANA
Deal found 9/15$1,035
This Cheapflightsfares deal was found by Cheapflights users on 9/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/307:40 amGMP - JFK
1 stop28h 15mANA
Thu 10/302:05 pmJFK - GMP
1 stop19h 25mANA
Deal found 9/14$1,036
This Gotogate deal was found by Cheapflights users on 9/14. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/107:45 amGMP - JFK
1 stop16h 45mANA
Wed 2/412:50 amJFK - GMP
1 stop20h 30mANA
Deal found 9/14$1,037
This Gotogate deal was found by Cheapflights users on 9/13. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/197:45 amGMP - JFK
1 stop16h 45mANA
Wed 2/1812:50 amJFK - GMP
1 stop20h 30mANA
Deal found 9/13$1,038
This Gotogate deal was found by Cheapflights users on 9/15. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/147:55 amGMP - JFK
1 stop23h 30mJapan Airlines
Mon 10/271:35 amJFK - GMP
1 stop31h 30mJapan Airlines
Deal found 9/15$1,040
This Gotogate deal was found by Cheapflights users on 9/14. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/287:45 amGMP - JFK
1 stop16h 45mANA
Wed 1/712:50 amJFK - GMP
1 stop20h 30mANA
Deal found 9/14$1,041
This WhyPayMore deal was found by Cheapflights users on 9/14. 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 WhyPayMore is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/1512:25 pmGMP - IAD
1 stop34h 45mANA
Fri 2/2711:05 amIAD - GMP
1 stop21h 25mANA
Deal found 9/14$1,052
This YBTour deal was found by Cheapflights users on 9/14. 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 YBTour is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/117:50 pmGMP - EWR
2 stops30h 38mANA
Tue 11/181:00 pmEWR - GMP
2 stops39h 35mANA
Deal found 9/14$1,091
This YBTour deal was found by Cheapflights users on 9/13. 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 YBTour is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/297:50 pmGMP - DCA
2 stops31h 20mANA
Wed 11/57:30 amDCA - GMP
2 stops37h 50mANA
Deal found 9/13$1,091

Cheapflights Fare Finder

 
Customize your flight search to find flights from Gimpo Intl to Pennsylvania 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 September 15, 2025.
Use the filters below to find and compare flights from Seoul Gimpo Intl Airport to Pennsylvania that are best for you.

Fly from

Gimpo Intl

Fly to

Pennsylvania

Route

Depart

Return

Price

SeoulWashington, D.C.

GMP - IAD

GMPIAD

Seoul Gimpo Intl

Mon 12/15

12:25 pm-9:10 am

1 stop34h 45m

Washington, D.C. Dulles Intl

Fri 2/27

11:05 am-10:30 pm

1 stop21h 25m

$1,052

SeoulNewark

GMP - EWR

GMPEWR

Seoul Gimpo Intl

Tue 11/11

7:50 pm-12:28 pm

2 stops30h 38m

Newark

Tue 11/18

1:00 pm-6:35 pm

2 stops39h 35m

$1,091

SeoulWashington, D.C.

GMP - DCA

GMPDCA

Seoul Gimpo Intl

Wed 10/29

7:50 pm-2:10 pm

2 stops31h 20m

Washington, D.C. Reagan-National

Wed 11/5

7:30 am-11:20 am

2 stops37h 50m

$1,091

SeoulNew York

GMP - LGA

GMPLGA

Seoul Gimpo Intl

Wed 10/8

7:55 pm-8:17 pm

2 stops37h 22m

New York LaGuardia

Mon 10/20

6:00 am-10:20 pm

2 stops51h 20m

$1,091

SeoulNew York

GMP - LGA

GMPLGA

Seoul Gimpo Intl

Thu 3/12

7:50 pm-8:16 pm

2 stops37h 26m

New York LaGuardia

Thu 3/19

9:00 am-10:30 pm

2 stops48h 30m

$1,103

SeoulWashington, D.C.

GMP - IAD

GMPIAD

Seoul Gimpo Intl

Sat 9/27

7:55 pm-10:05 am

1 stop27h 10m

Washington, D.C. Dulles Intl

Fri 12/5

11:05 am-10:30 pm

1 stop21h 25m

$1,105

SeoulWashington, D.C.

GMP - IAD

GMPIAD

Seoul Gimpo Intl

Wed 11/19

7:50 pm-9:10 am

1 stop27h 20m

Washington, D.C. Dulles Intl

Fri 12/5

11:05 am-10:30 pm

1 stop21h 25m

$1,109

SeoulWashington, D.C.

GMP - DCA

GMPDCA

Seoul Gimpo Intl

Thu 2/5

12:25 pm-1:13 pm

2 stops38h 48m

Washington, D.C. Reagan-National

Sun 2/8

2:00 pm-10:30 pm

2 stops42h 30m

$1,137

SeoulWashington, D.C.

GMP - IAD

GMPIAD

Seoul Gimpo Intl

Fri 2/13

12:25 pm-9:10 am

1 stop34h 45m

Washington, D.C. Dulles Intl

Fri 3/6

1:05 pm-11:20 am

2 stops32h 15m

$1,139

SeoulWashington, D.C.

GMP - IAD

GMPIAD

Seoul Gimpo Intl

Mon 3/9

12:25 pm-4:01 pm

2 stops40h 36m

Washington, D.C. Dulles Intl

Wed 3/11

12:10 pm-11:20 am

1 stop34h 10m

$1,156

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

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

Have a flexible travel schedule? Discover the best time to fly to Pennsylvania from Gimpo Intl 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 Seoul Gimpo Intl Airport to Pennsylvania
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Related info for your journey

Find useful and relevant information for your journey from Gimpo Intl to Pennsylvania. 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 Seoul Gimpo Intl Airport to Pennsylvania?

    There are many flights that can get you from Seoul Gimpo Intl Airport to Pennsylvania in 16h 05m. Fly via ANA or Japan Airlines to get the fastest option. The distance from Seoul Gimpo Intl Airport to Pennsylvania is about 6874 mi. This flight may include one or multiple stops.

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

    The most popular flight routes from Seoul Gimpo Intl Airport to Pennsylvania are Seoul Gimpo Intl - New York John F Kennedy Intl, Seoul Gimpo Intl - Newark and Seoul Gimpo Intl - New York LaGuardia.

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

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

  • How can I find direct flights from Gimpo Intl to Pennsylvania?

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

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

    Yes. Cheapflights offers flight deals from Gimpo Intl to Pennsylvania 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 Seoul Gimpo Intl Airport to Pennsylvania?

    Currently, August is the cheapest month in which you can book a flight from Seoul Gimpo Intl Airport to Pennsylvania (average of $236). Flying from Seoul Gimpo Intl Airport to Pennsylvania in March is currently the most expensive (average of $295). 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.

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Alternative routes for Gimpo Intl to Pennsylvania

See prices for flight routes from nearby airports that may be better suited for you.
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