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Cheap flights from Philadelphia to Seoul from $763

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Philadelphia to Seoul departing on 10/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Find the cheapest flights from Philadelphia to Seoul

Cheap round-trip flights

Enter your travel dates to find the best prices.
Japan Airlines Logo
8:25 am - 9:15 pm
PHL
-
GMP
23h 50m
2 stops
Japan Airlines Logo
8:00 am - 6:30 pm
GMP
-
PHL
23h 30m
2 stops
$1,321Japan Airlines
Wed, Sep 9 - Wed, Sep 23
Japan Airlines Logo
7:00 am - 9:15 pm
PHL
-
GMP
25h 15m
2 stops
Japan Airlines Logo
8:00 am - 6:30 pm
GMP
-
PHL
23h 30m
2 stops
$1,417Japan Airlines
Wed, Sep 9 - Wed, Sep 23
Japan Airlines Logo
8:30 am - 9:15 pm
PHL
-
GMP
23h 45m
2 stops
Japan Airlines Logo
7:15 pm - 4:25 pm
GMP
-
PHL
34h 10m
2 stops
$1,437Japan Airlines
Thu, Sep 3 - Fri, Sep 11
Japan Airlines Logo
8:25 am - 9:15 pm
PHL
-
GMP
23h 50m
2 stops
Japan Airlines Logo
7:40 pm - 2:48 pm
GMP
-
PHL
32h 08m
2 stops
$1,443Japan Airlines
Tue, Oct 13 - Tue, Oct 27
Japan Airlines Logo
7:00 am - 9:15 pm
PHL
-
GMP
25h 15m
2 stops
Japan Airlines Logo
8:00 am - 4:25 pm
GMP
-
PHL
21h 25m
2 stops
$1,463Japan Airlines
Wed, Sep 2 - Wed, Sep 9
Japan Airlines Logo
8:30 am - 9:15 pm
PHL
-
GMP
23h 45m
2 stops
Japan Airlines Logo
8:00 am - 4:25 pm
GMP
-
PHL
21h 25m
2 stops
$1,476Japan Airlines
Tue, Sep 1 - Sat, Sep 12
Japan Airlines Logo
10:00 am - 9:15 pm
PHL
-
GMP
22h 15m
2 stops
Japan Airlines Logo
8:00 am - 4:38 pm
GMP
-
PHL
21h 38m
2 stops
$1,506Japan Airlines
Tue, Apr 28 - Tue, May 26
Multiple Airlines Logo
7:15 am - 9:15 pm
PHL
-
GMP
25h 00m
2 stops
Multiple Airlines Logo
12:05 pm - 9:41 pm
GMP
-
PHL
22h 36m
2 stops
$1,518Multiple Airlines
Mon, May 4 - Tue, May 12
Japan Airlines Logo
7:00 am - 5:55 pm
PHL
-
GMP
21h 55m
2 stops
Japan Airlines Logo
7:15 pm - 4:25 pm
GMP
-
PHL
34h 10m
2 stops
$1,559Japan Airlines
Tue, Sep 15 - Tue, Sep 22
Japan Airlines Logo
7:00 am - 5:55 pm
PHL
-
GMP
21h 55m
2 stops
Japan Airlines Logo
7:15 pm - 4:38 pm
GMP
-
PHL
34h 23m
2 stops
$1,586Japan Airlines
Tue, Aug 25 - Mon, Aug 31

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Japan Airlines flights from Philadelphia to Seoul Gimpo Intl Airport

Our best Japan Airlines deals on Philadelphia to Seoul Gimpo Intl Airport flight tickets
Japan Airlines
Sep 9
PHL8:25 amPhiladelphia
23h 50m
2 stops
GMP9:15 pmSeoul Gimpo Intl
Sep 23
GMP8:00 amSeoul Gimpo Intl
23h 30m
2 stops
PHL6:30 pmPhiladelphia
$1,321
Japan Airlines
Sep 9
PHL7:00 amPhiladelphia
25h 15m
2 stops
GMP9:15 pmSeoul Gimpo Intl
Sep 23
GMP8:00 amSeoul Gimpo Intl
23h 30m
2 stops
PHL6:30 pmPhiladelphia
$1,417
Japan Airlines
Sep 3
PHL8:30 amPhiladelphia
23h 45m
2 stops
GMP9:15 pmSeoul Gimpo Intl
Sep 11
GMP7:15 pmSeoul Gimpo Intl
34h 10m
2 stops
PHL4:25 pmPhiladelphia
$1,437

ANA flights from Philadelphia to Seoul Gimpo Intl Airport

Our best ANA deals on Philadelphia to Seoul Gimpo Intl Airport flight tickets
ANA
Sep 14
PHL6:00 amPhiladelphia
27h 20m
2 stops
GMP10:20 pmSeoul Gimpo Intl
Sep 23
GMP7:40 amSeoul Gimpo Intl
26h 22m
2 stops
PHL9:02 pmPhiladelphia
$1,977
ANA
Sep 25
PHL1:00 pmPhiladelphia
33h 05m
2 stops
GMP11:05 amSeoul Gimpo Intl
Nov 14
GMP7:50 pmSeoul Gimpo Intl
30h 35m
2 stops
PHL12:25 pmPhiladelphia
$1,986
ANA
Sep 25
PHL11:39 amPhiladelphia
34h 26m
2 stops
GMP11:05 amSeoul Gimpo Intl
Nov 14
GMP7:50 pmSeoul Gimpo Intl
30h 35m
2 stops
PHL12:25 pmPhiladelphia
$1,987

momondo Fare Finder

 
Customize your flight search to find flights from Philadelphia to Seoul Gimpo Intl Airport 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, momondo users made 832,500 searches. Data last updated April 16, 2026.
Use the filters below to find and compare flights from Philadelphia to Seoul Gimpo Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhiladelphiaSeoul

PHL - GMP

PHLGMP

Philadelphia

Wed 9/9

8:25 am-9:15 pm

2 stops23h 50m

Seoul Gimpo Intl

Wed 9/23

8:00 am-6:30 pm

2 stops23h 30m

$1,321

PhiladelphiaSeoul

PHL - GMP

PHLGMP

Philadelphia

Wed 9/9

7:00 am-9:15 pm

2 stops25h 15m

Seoul Gimpo Intl

Wed 9/23

8:00 am-6:30 pm

2 stops23h 30m

$1,417

PhiladelphiaSeoul

PHL - GMP

PHLGMP

Philadelphia

Thu 9/3

8:30 am-9:15 pm

2 stops23h 45m

Seoul Gimpo Intl

Fri 9/11

7:15 pm-4:25 pm

2 stops34h 10m

$1,437

PhiladelphiaSeoul

PHL - GMP

PHLGMP

Philadelphia

Tue 10/13

8:25 am-9:15 pm

2 stops23h 50m

Seoul Gimpo Intl

Tue 10/27

7:40 pm-2:48 pm

2 stops32h 08m

$1,443

PhiladelphiaSeoul

PHL - GMP

PHLGMP

Philadelphia

Wed 9/2

7:00 am-9:15 pm

2 stops25h 15m

Seoul Gimpo Intl

Wed 9/9

8:00 am-4:25 pm

2 stops21h 25m

$1,463

PhiladelphiaSeoul

PHL - GMP

PHLGMP

Philadelphia

Tue 9/1

8:30 am-9:15 pm

2 stops23h 45m

Seoul Gimpo Intl

Sat 9/12

8:00 am-4:25 pm

2 stops21h 25m

$1,476
Quickest round-trip

PhiladelphiaSeoul

PHL - GMP

PHLGMP

Philadelphia

Tue 4/28

10:00 am-9:15 pm

2 stops22h 15m

Seoul Gimpo Intl

Tue 5/26

8:00 am-4:38 pm

2 stops21h 38m

$1,506

PhiladelphiaSeoul

PHL - GMP

PHLGMP

Philadelphia

Mon 5/4

7:15 am-9:15 pm

2 stops25h 00m

Seoul Gimpo Intl

Tue 5/12

12:05 pm-9:41 pm

2 stops22h 36m

$1,518

PhiladelphiaSeoul

PHL - GMP

PHLGMP

Philadelphia

Tue 9/15

7:00 am-5:55 pm

2 stops21h 55m

Seoul Gimpo Intl

Tue 9/22

7:15 pm-4:25 pm

2 stops34h 10m

$1,559

PhiladelphiaSeoul

PHL - GMP

PHLGMP

Philadelphia

Tue 8/25

7:00 am-5:55 pm

2 stops21h 55m

Seoul Gimpo Intl

Mon 8/31

7:15 pm-4:38 pm

2 stops34h 23m

$1,586

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Seoul from

How to get the cheapest flight ticket from Philadelphia to Seoul Gimpo Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Philadelphia to Seoul Gimpo Intl?

Japan Airlines is the most popular carrier operating from Philadelphia to Seoul Gimpo Intl

When to book flights from Philadelphia to Seoul Gimpo Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Philadelphia to Seoul Gimpo Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Philadelphia to Seoul Gimpo Intl Airport (PHL to GMP) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Philadelphia to Seoul Gimpo Intl Airport

Fastest flight time

21h 40m

Direct flights

None
The fastest flight from Philadelphia to Seoul Gimpo Intl Airport takes 21h 40m
There are no direct flights from Philadelphia to Seoul Gimpo Intl Airport. There are no popular flight routes from Philadelphia to Seoul Gimpo Intl Airport.
Search flight deals

Frequently asked questions about flying from Philadelphia to Seoul Gimpo Intl Airport

  • How far is Philadelphia to Seoul Gimpo Intl by plane?

    There are 6898.0 mi between Philadelphia and Seoul Gimpo Intl. 21h 40m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Philadelphia Airport to Seoul Gimpo Intl Airport?

    Prices for flights from Philadelphia Airport to Seoul Gimpo Intl Airport are updated daily.

  • How old do you have to be to fly from Philadelphia Airport to Seoul Gimpo Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Philadelphia Airport to Seoul Gimpo Intl Airport.

  • What documentation or ID do you need to fly to Seoul Gimpo Intl Airport?

    The travel and health documents you'll need for your trip to Seoul Gimpo Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Seoul Gimpo Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Philadelphia to Seoul?

Finding the right flight to Seoul from Philadelphia is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Seoul quick and easy, saving you time and money.

Can I find flights from Philadelphia to Seoul with flexible booking policies on momondo?

momondo does allow users to show only those flights to Seoul from Philadelphia which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Philadelphia to Seoul?

Once all potential Philadelphia to Seoul flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Philadelphia to Seoul right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Philadelphia to Seoul now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Seoul and let you know when they change.

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