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$595+ 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 9/8. Fares are subject to change and may not be available on all flights or dates of travel.
GMP — PHL
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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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 June 12, 2025.

Round-trip from

$1,018
(Gotogate)

One-way from

$595
(Expedia)

Popular in

August

Cheapest in

October

Average price

$1,023
From Seoul Gimpo Intl to Philadelphia
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One-way flight from Seoul Gimpo Intl to Philadelphia
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Highest demand for flights based on searches. 26% potential increase in price ($410 potential increase over avg. RT price).
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Cheapest flight prices on average. 15% potential price decrease ($153 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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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 June 12, 2025.

This Gotogate deal was found by Cheapflights users on 6/11. 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 7/1512:40 pmGMP - PHL
2 stops22h 49mMultiple Airlines
Tue 7/2210:40 amPHL - GMP
2 stops22h 40mMultiple Airlines
Deal found 6/11$1,018
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/177:55 pmGMP - PHL
2 stops31h 14mANA
Fri 7/116:05 amPHL - GMP
2 stops27h 15mANA
Deal found 6/9$1,239
This Japan Airlines deal was found by Cheapflights users on 6/10. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/167:55 amGMP - PHL
2 stops19h 39mJapan Airlines
Tue 4/149:17 pmPHL - GMP
2 stops24h 28mJapan Airlines
Deal found 6/10$1,507

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 June 12, 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

Tue 7/15

12:40 pm-10:29 pm

2 stops22h 49m

Philadelphia

Tue 7/22

10:40 am-10:20 pm

2 stops22h 40m

$1,018

SeoulPhiladelphia

GMP - PHL

GMPPHL

Seoul Gimpo Intl

Mon 10/20

12:40 pm-2:16 pm

2 stops38h 36m

Philadelphia

Thu 10/23

6:30 am-10:20 pm

2 stops26h 50m

$1,280

SeoulPhiladelphia

GMP - PHL

GMPPHL

Seoul Gimpo Intl

Tue 9/16

7:55 am-2:34 pm

2 stops19h 39m

Philadelphia

Tue 4/14

9:17 pm-10:45 am

2 stops24h 28m

$1,507

SeoulPhiladelphia

GMP - PHL

GMPPHL

Seoul Gimpo Intl

Mon 9/8

7:40 am-3:49 pm

2 stops45h 09m

$595

SeoulPhiladelphia

GMP - PHL

GMPPHL

Seoul Gimpo Intl

Sat 10/18

1:50 pm-5:40 am

2 stops28h 50m

$693

SeoulPhiladelphia

GMP - PHL

GMPPHL

Seoul Gimpo Intl

Sat 11/22

12:05 pm-12:51 pm

2 stops38h 46m

$901

SeoulPhiladelphia

GMP - PHL

GMPPHL

Seoul Gimpo Intl

Wed 10/22

7:55 pm-2:04 pm

2 stops31h 09m

$1,429

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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.

Cheapflights Insights

Everything you need to know about your flight from Seoul Gimpo Intl Airport to Philadelphia

Rainfall in Philadelphia by month

Plan your trip to Philadelphia by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Philadelphia ranges from 2.7 - 4.4 inches per month. July is typically the wettest month, when rainfall can reach 4.4 in. February is typically the driest time to visit Philadelphia when rainfall is around 2.7 in.

Temperature in Philadelphia by month

Plan your trip to Philadelphia by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Philadelphia, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

Reviews of airlines servicing Philadelphia

Get insights into the airlines that provide service to Philadelphia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Philadelphia. Reviews last updated June 12, 2025.
Get a feel of what it's like to fly with EVA Air, Japan Airlines and ANA from Seoul to Philadelphia by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,202 reviews

Crew

8.6

Overall

8.4

Food

8.1

Comfort

8.3

Entertainment

8.0

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
EVA Air
8.4
Very good
1,202 reviews
EVA Air
8.4
Very good
1,202 reviews

Crew

8.6

Overall

8.4

Food

8.1

Comfort

8.3

Entertainment

8.0

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Japan Airlines
8.3
Very good
1,490 reviews
EVA Air
8.4
Very good
1,202 reviews

Crew

8.6

Overall

8.4

Food

8.1

Comfort

8.3

Entertainment

8.0

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
ANA
8.3
Very good
882 reviews
EVA Air
8.4
Very good
1,202 reviews

Crew

8.6

Overall

8.4

Food

8.1

Comfort

8.3

Entertainment

8.0

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

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.

  • What are the cheapest airlines to fly from Seoul Gimpo Intl Airport to Philadelphia one-way?

    To fly one-way, consider booking your trip with EVA Air, which is currently one of the cheapest options available, starting at $693. Japan Airlines flights start at $901 while deals on ANA start at $1,429 one-way.

  • 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.

  • What is the cheapest month to book a flight from Seoul Gimpo Intl Airport to Philadelphia?

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

See more FAQs

Traveling to a place near Seoul Gimpo Intl Airport?

Book flights to Seoul Gimpo Intl Airport if you plan to visit one of these locations
Vineland
Wildwood
Pottstown
King of Prussia
Cherry Hill
Exton
Ocean City
Chester
Essington
Reading
Newark
Middletown
Millville
Ephrata
Camden
Dover
Elkton
Willow Grove
Glen Mills
Springfield

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