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Cheap flights from Philadelphia to Seoul from $454

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 2/2. 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

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Cheap round-trip flights

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Japan Airlines Logo
7:20 am - 10:55 amPHL-GMP
37h 35m2 stops
Japan Airlines Logo
12:05 pm - 2:55 pmGMP-PHL
39h 50m2 stops
$909Japan Airlines
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Wed, Feb 25 - Wed, Mar 11
Multiple Airlines Logo
8:30 am - 10:05 pmPHL-GMP
23h 35m2 stops
Multiple Airlines Logo
8:00 am - 5:18 pmGMP-PHL
23h 18m2 stops
$911Multiple Airlines
Find Deal
Tue, Nov 4 - Tue, Nov 18
Japan Airlines Logo
6:25 am - 10:05 pmPHL-GMP
25h 40m2 stops
Japan Airlines Logo
8:00 am - 2:38 pmGMP-PHL
44h 38m2 stops
$929Japan Airlines
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Mon, Nov 10 - Tue, Nov 18
Japan Airlines Logo
6:23 am - 10:05 pmPHL-GMP
25h 42m2 stops
Japan Airlines Logo
7:40 pm - 2:55 pmGMP-PHL
32h 15m2 stops
$990Japan Airlines
Find Deal
Tue, Feb 24 - Wed, Mar 11
Japan Airlines Logo
7:05 am - 10:05 pmPHL-GMP
25h 00m2 stops
Japan Airlines Logo
7:40 pm - 2:55 pmGMP-PHL
32h 15m2 stops
$1,042Japan Airlines
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Thu, Feb 26 - Wed, Mar 11
Multiple Airlines Logo
8:30 am - 10:05 pmPHL-GMP
23h 35m2 stops
Multiple Airlines Logo
8:00 am - 5:18 pmGMP-PHL
23h 18m2 stops
$1,091Multiple Airlines
Find Deal
Mon, Nov 10 - Tue, Nov 18
ANA Logo
12:55 pm - 11:20 amPHL-GMP
32h 25m2 stops
ANA Logo
7:50 pm - 5:22 pmGMP-PHL
34h 32m2 stops
$1,615ANA
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Wed, Mar 4 - Fri, Mar 20
ANA Logo
10:10 am - 11:20 amPHL-GMP
36h 10m2 stops
ANA Logo
7:55 pm - 1:51 pmGMP-PHL
30h 56m2 stops
$1,623ANA
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Wed, Mar 25 - Wed, Apr 22
Air China Logo
10:34 am - 1:05 pmPHL-GMP
36h 31m2 stops
Air China Logo
8:35 am - 5:18 amGMP-PHL
34h 43m2 stops
$1,866Air China
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Fri, Nov 21 - Wed, Nov 26
Air China Logo
10:34 am - 1:05 pmPHL-GMP
36h 31m2 stops
Air China Logo
8:35 am - 5:18 amGMP-PHL
34h 43m2 stops
$1,943Air China
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Fri, Nov 21 - Wed, Nov 26

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
Feb 25
PHL7:20 amPhiladelphia
37h 35m
2 stops
GMP10:55 amSeoul Gimpo Intl
Mar 11
GMP12:05 pmSeoul Gimpo Intl
39h 50m
2 stops
PHL2:55 pmPhiladelphia
$909
Find similar
Japan Airlines
Nov 10
PHL6:25 amPhiladelphia
25h 40m
2 stops
GMP10:05 pmSeoul Gimpo Intl
Nov 18
GMP8:00 amSeoul Gimpo Intl
44h 38m
2 stops
PHL2:38 pmPhiladelphia
$929
Find similar
Japan Airlines
Feb 24
PHL6:23 amPhiladelphia
25h 42m
2 stops
GMP10:05 pmSeoul Gimpo Intl
Mar 11
GMP7:40 pmSeoul Gimpo Intl
32h 15m
2 stops
PHL2:55 pmPhiladelphia
$990
Find similar

ANA flights from Philadelphia to Seoul Gimpo Intl Airport

Our best ANA deals on Philadelphia to Seoul Gimpo Intl Airport flight tickets
ANA
Mar 4
PHL12:55 pmPhiladelphia
32h 25m
2 stops
GMP11:20 amSeoul Gimpo Intl
Mar 20
GMP7:50 pmSeoul Gimpo Intl
34h 32m
2 stops
PHL5:22 pmPhiladelphia
$1,615
Find similar
ANA
Mar 25
PHL10:10 amPhiladelphia
36h 10m
2 stops
GMP11:20 amSeoul Gimpo Intl
Apr 22
GMP7:55 pmSeoul Gimpo Intl
30h 56m
2 stops
PHL1:51 pmPhiladelphia
$1,623
Find similar
ANA
Apr 6
PHL6:10 amPhiladelphia
39h 55m
2 stops
GMP11:05 amSeoul Gimpo Intl
Apr 15
GMP7:55 pmSeoul Gimpo Intl
31h 27m
2 stops
PHL2:22 pmPhiladelphia
$1,642
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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 October 14, 2025.
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

PhiladelphiaSeoul

PHL - GMP

PHLGMP

Philadelphia

Wed 2/25

7:20 am-10:55 am

2 stops37h 35m

Seoul Gimpo Intl

Wed 3/11

12:05 pm-2:55 pm

2 stops39h 50m

$909

PhiladelphiaSeoul

PHL - GMP

PHLGMP

Philadelphia

Tue 11/4

8:30 am-10:05 pm

2 stops23h 35m

Seoul Gimpo Intl

Tue 11/18

8:00 am-5:18 pm

2 stops23h 18m

$911

PhiladelphiaSeoul

PHL - GMP

PHLGMP

Philadelphia

Mon 11/10

6:25 am-10:05 pm

2 stops25h 40m

Seoul Gimpo Intl

Tue 11/18

8:00 am-2:38 pm

2 stops44h 38m

$929

PhiladelphiaSeoul

PHL - GMP

PHLGMP

Philadelphia

Tue 2/24

6:23 am-10:05 pm

2 stops25h 42m

Seoul Gimpo Intl

Wed 3/11

7:40 pm-2:55 pm

2 stops32h 15m

$990

PhiladelphiaSeoul

PHL - GMP

PHLGMP

Philadelphia

Thu 2/26

7:05 am-10:05 pm

2 stops25h 00m

Seoul Gimpo Intl

Wed 3/11

7:40 pm-2:55 pm

2 stops32h 15m

$1,042

PhiladelphiaSeoul

PHL - GMP

PHLGMP

Philadelphia

Mon 11/10

8:30 am-10:05 pm

2 stops23h 35m

Seoul Gimpo Intl

Tue 11/18

8:00 am-5:18 pm

2 stops23h 18m

$1,091

PhiladelphiaSeoul

PHL - GMP

PHLGMP

Philadelphia

Wed 3/4

12:55 pm-11:20 am

2 stops32h 25m

Seoul Gimpo Intl

Fri 3/20

7:50 pm-5:22 pm

2 stops34h 32m

$1,615

PhiladelphiaSeoul

PHL - GMP

PHLGMP

Philadelphia

Wed 3/25

10:10 am-11:20 am

2 stops36h 10m

Seoul Gimpo Intl

Wed 4/22

7:55 pm-1:51 pm

2 stops30h 56m

$1,623

PhiladelphiaSeoul

PHL - GMP

PHLGMP

Philadelphia

Fri 11/21

10:34 am-1:05 pm

2 stops36h 31m

Seoul Gimpo Intl

Wed 11/26

8:35 am-5:18 am

2 stops34h 43m

$1,866

PhiladelphiaSeoul

PHL - GMP

PHLGMP

Philadelphia

Fri 11/21

10:34 am-1:05 pm

2 stops36h 31m

Seoul Gimpo Intl

Wed 11/26

8:35 am-5:18 am

2 stops34h 43m

$1,943

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 day to depart on your flight to Seoul Gimpo Intl Airport?

On average, the least expensive day to fly to Seoul Gimpo Intl Airport from Philadelphia is on a Sunday. momondo users have found tickets for Sunday departures for as low as $1,833. However, this price may fluctuate depending on the airline, the season, and holidays. The most expensive day to fly to Seoul Gimpo Intl Airport is Monday, with ticket prices averaging around $1,987.

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

Direct flights

None
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.
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  • How far is Philadelphia to Seoul Gimpo Intl by plane?

    There are 6898.0 mi between Philadelphia and Seoul Gimpo Intl. 22h 05m 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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