HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Philadelphia

$684+ Cheap flights from Gimpo Intl (GMP) to Philadelphia (PHL)

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 12/19. Fares are subject to change and may not be available on all flights or dates of travel.
GMP — PHL
Dec 18 — Dec 251
Thu 12/18
Thu 12/25
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Gimpo Intl to Philadelphia 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 Gimpo Intl to Philadelphia

Discover tips and strategies to find the most affordable flight options for your journey from Gimpo Intl (GMP) to Philadelphia (PHL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,468
(Cheapflightsfares)

One-way from

$684
(Kiwi.com)

Popular in

April

Cheapest in

October

Average price

$1,366
Provider with most accurate pricing for Seoul Gimpo Intl-Philadelphia flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seoul Gimpo Intl-Philadelphia flights.
Search Deals
From Seoul Gimpo Intl to Philadelphia
Search Deals
One-way flight from Seoul Gimpo Intl to Philadelphia
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($122 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($40 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Find flight deals from Gimpo Intl to Philadelphia

Cheapest flights from Gimpo Intl to Philadelphia
Explore the most affordable flight options available from Gimpo Intl to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 18, 2025.

This FlightHub deal was found by Cheapflights users on 11/17. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/247:45 amGMP - PHL
2 stops27h 36mANA
Tue 1/66:30 amPHL - GMP
2 stops26h 00mANA
Deal found 11/17$1,485
This Ovago deal was found by Cheapflights users on 11/16. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/17:40 pmGMP - PHL
2 stops32h 58mJapan Airlines
Mon 12/156:00 amPHL - GMP
2 stops26h 05mJapan Airlines
Deal found 11/16$1,823
This Gotogate deal was found by Cheapflights users on 11/16. 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 12/313:50 pmGMP - PHL
2 stops20h 56mMultiple Airlines
Wed 1/77:50 amPHL - GMP
2 stops24h 40mMultiple Airlines
Deal found 11/16$2,279
This Ovago deal was found by Cheapflights users on 11/16. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/217:40 pmGMP - PHL
2 stops32h 58mJapan Airlines
Mon 1/57:05 amPHL - GMP
2 stops25h 00mJapan Airlines
Deal found 11/16$2,705

Cheapflights Fare Finder

 
Customize your flight search to find flights from Gimpo Intl to Philadelphia 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 November 18, 2025.
Use the filters below to find and compare flights from Seoul Gimpo Intl Airport to Philadelphia that are best for you.

Fly from

Gimpo Intl

Fly to

Philadelphia

Route

Depart

Return

Price

SeoulPhiladelphia

GMP - PHL

GMPPHL

Seoul Gimpo Intl

Sat 4/18

7:55 am-2:49 pm

2 stops19h 54m

Philadelphia

Thu 5/7

9:17 pm-6:00 pm

2 stops31h 43m

$1,468

SeoulPhiladelphia

GMP - PHL

GMPPHL

Seoul Gimpo Intl

Wed 3/18

7:40 pm-2:47 pm

2 stops32h 07m

Philadelphia

Sun 3/22

8:50 am-10:05 pm

2 stops48h 15m

$1,533

SeoulPhiladelphia

GMP - PHL

GMPPHL

Seoul Gimpo Intl

Fri 1/30

8:00 am-2:33 pm

2 stops20h 33m

Philadelphia

Sun 2/8

6:21 am-10:05 pm

2 stops25h 44m

$1,541

SeoulPhiladelphia

GMP - PHL

GMPPHL

Seoul Gimpo Intl

Fri 1/30

8:00 am-2:33 pm

2 stops20h 33m

Philadelphia

Sun 2/8

6:21 am-10:05 pm

2 stops25h 44m

$1,554

SeoulPhiladelphia

GMP - PHL

GMPPHL

Seoul Gimpo Intl

Fri 4/17

7:55 am-2:49 pm

2 stops19h 54m

Philadelphia

Fri 5/8

8:45 am-10:45 am

2 stops37h 00m

$1,707

SeoulPhiladelphia

GMP - PHL

GMPPHL

Seoul Gimpo Intl

Thu 1/1

8:00 am-2:38 pm

2 stops20h 38m

Philadelphia

Thu 1/8

6:21 am-10:05 pm

2 stops25h 44m

$1,794

SeoulPhiladelphia

GMP - PHL

GMPPHL

Seoul Gimpo Intl

Mon 12/1

7:40 pm-2:38 pm

2 stops32h 58m

Philadelphia

Mon 12/15

6:00 am-10:05 pm

2 stops26h 05m

$1,823

SeoulPhiladelphia

GMP - PHL

GMPPHL

Seoul Gimpo Intl

Sat 1/31

12:05 pm-2:33 pm

2 stops40h 28m

Philadelphia

Sun 2/22

7:15 am-10:05 pm

2 stops24h 50m

$1,859

SeoulPhiladelphia

GMP - PHL

GMPPHL

Seoul Gimpo Intl

Fri 2/20

8:00 am-2:27 pm

2 stops44h 27m

Philadelphia

Mon 3/2

5:00 am-10:05 pm

2 stops27h 05m

$1,948

SeoulPhiladelphia

GMP - PHL

GMPPHL

Seoul Gimpo Intl

Fri 12/19

8:50 am-11:15 pm

3 stops52h 25m

$684

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/18

Showing 1-10 of 16 results
1
2
  • Most accurate provider: When it comes to deals on Seoul Gimpo Intl Airport-Philadelphia flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Seoul Gimpo Intl Airport-Philadelphia flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Seoul Gimpo Intl Airport-Philadelphia flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seoul Gimpo Intl Airport-Philadelphia flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seoul Gimpo Intl Airport-Philadelphia flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Gimpo Intl to Philadelphia

Have a flexible travel schedule? Discover the best time to fly to Philadelphia 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.

Related info for your journey

Find useful and relevant information for your journey from Gimpo Intl to Philadelphia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Philadelphia from Seoul Gimpo Intl?

    Located just 7.0 mi from the city center, Philadelphia is the airport most travelers will use when flying to Philadelphia from Seoul Gimpo Intl. Booking flights from Seoul Gimpo Intl to Philadelphia (PHL) should be relatively easy as there are 0 daily inbound flights from Seoul Gimpo Intl from 0 different airlines.

  • How long is the flight from Seoul Gimpo Intl Airport to Philadelphia?

    There are many flights that can get you from Seoul Gimpo Intl Airport to Philadelphia in 19h 54m. Fly via Japan Airlines to get the fastest option. Airlines will cover a distance of 6902 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Gimpo Intl to Philadelphia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Philadelphia?

Book flights to Philadelphia if you plan to visit one of these locations
Wildwood
King of Prussia
Pottstown
Reading
Ocean City
Cherry Hill
Dewey Beach
Ephrata
Camden
Vineland
Milford
Dover
Elkton
Essington
Willow Grove
New Castle
Newark
Millville
Chester
Exton

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.

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.