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Cheap flights from Philadelphia to Seoul from $457

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 12/6. 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

Japan Airlines Logo
7:20 am - 10:55 amPHL-GMP
37h 35m2 stops
Japan Airlines Logo
7:50 am - 7:20 pmGMP-PHL
25h 30m2 stops
$960Japan Airlines
Find Deal
Fri, Dec 5 - Mon, Dec 15
Japan Airlines Logo
9:15 pm - 10:45 amPHL-GMP
24h 30m2 stops
Japan Airlines Logo
7:50 am - 2:50 pmGMP-PHL
20h 00m2 stops
$966Japan Airlines
Find Deal
Tue, Oct 14 - Tue, Oct 28
Japan Airlines Logo
7:20 am - 10:55 amPHL-GMP
37h 35m2 stops
Japan Airlines Logo
7:50 am - 7:20 pmGMP-PHL
25h 30m2 stops
$970Japan Airlines
Find Deal
Fri, Dec 5 - Mon, Dec 15
Japan Airlines Logo
9:15 pm - 6:00 pmPHL-GMP
31h 45m2 stops
Japan Airlines Logo
7:55 am - 12:16 amGMP-PHL
29h 21m2 stops
$972Japan Airlines
Find Deal
Wed, Oct 15 - Thu, Oct 23
Japan Airlines Logo
9:15 pm - 10:55 amPHL-GMP
24h 40m2 stops
Japan Airlines Logo
8:00 am - 8:04 pmGMP-PHL
25h 04m2 stops
$977Japan Airlines
Find Deal
Fri, Oct 24 - Sat, Nov 1
Japan Airlines Logo
9:16 am - 10:45 amPHL-GMP
36h 29m2 stops
Japan Airlines Logo
7:55 am - 12:16 amGMP-PHL
29h 21m2 stops
$978Japan Airlines
Find Deal
Wed, Oct 1 - Thu, Oct 16
Japan Airlines Logo
7:20 am - 10:55 amPHL-GMP
37h 35m2 stops
Japan Airlines Logo
7:40 pm - 12:51 pmGMP-PHL
31h 11m2 stops
$999Japan Airlines
Find Deal
Fri, Dec 5 - Mon, Dec 15
Logo
9:15 pm - 10:45 amPHL-GMP
24h 30m2 stops
Logo
7:55 am - 2:47 pmGMP-PHL
19h 52m2 stops
$1,002
Find Deal
Tue, Sep 2 - Sun, Sep 14
ANA Logo
6:10 am - 11:20 amPHL-GMP
39h 10m2 stops
ANA Logo
7:50 pm - 2:22 pmGMP-PHL
32h 32m2 stops
$1,645ANA
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Sun, Feb 8 - Sat, Feb 21
ANA Logo
6:30 am - 10:20 pmPHL-GMP
26h 50m2 stops
ANA Logo
7:45 am - 9:21 pmGMP-PHL
26h 36m2 stops
$1,844ANA
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Tue, Oct 21 - Fri, Oct 31

ANA flights from Philadelphia to Seoul Gimpo Intl Airport

Our best ANA deals on Philadelphia to Seoul Gimpo Intl Airport flight tickets
ANA
Feb 8
PHL6:10 amPhiladelphia
39h 10m
2 stops
GMP11:20 amSeoul Gimpo Intl
Feb 21
GMP7:50 pmSeoul Gimpo Intl
32h 32m
2 stops
PHL2:22 pmPhiladelphia
$1,645
Find similar
ANA
Oct 21
PHL6:30 amPhiladelphia
26h 50m
2 stops
GMP10:20 pmSeoul Gimpo Intl
Oct 31
GMP7:45 amSeoul Gimpo Intl
26h 36m
2 stops
PHL9:21 pmPhiladelphia
$1,844
Find similar

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
Dec 5
PHL7:20 amPhiladelphia
37h 35m
2 stops
GMP10:55 amSeoul Gimpo Intl
Dec 15
GMP7:50 amSeoul Gimpo Intl
25h 30m
2 stops
PHL7:20 pmPhiladelphia
$960
Find similar
Japan Airlines
Oct 14
PHL9:15 pmPhiladelphia
24h 30m
2 stops
GMP10:45 amSeoul Gimpo Intl
Oct 28
GMP7:50 amSeoul Gimpo Intl
20h 00m
2 stops
PHL2:50 pmPhiladelphia
$966
Find similar
Japan Airlines
Dec 5
PHL7:20 amPhiladelphia
37h 35m
2 stops
GMP10:55 amSeoul Gimpo Intl
Dec 15
GMP7:50 amSeoul Gimpo Intl
25h 30m
2 stops
PHL7:20 pmPhiladelphia
$970
Find similar

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 August 21, 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

Fri 12/5

7:20 am-10:55 am

2 stops37h 35m

Seoul Gimpo Intl

Mon 12/15

7:50 am-7:20 pm

2 stops25h 30m

$960

PhiladelphiaSeoul

PHL - GMP

PHLGMP

Philadelphia

Tue 10/14

9:15 pm-10:45 am

2 stops24h 30m

Seoul Gimpo Intl

Tue 10/28

7:50 am-2:50 pm

2 stops20h 00m

$966

PhiladelphiaSeoul

PHL - GMP

PHLGMP

Philadelphia

Fri 12/5

7:20 am-10:55 am

2 stops37h 35m

Seoul Gimpo Intl

Mon 12/15

7:50 am-7:20 pm

2 stops25h 30m

$970

PhiladelphiaSeoul

PHL - GMP

PHLGMP

Philadelphia

Wed 10/15

9:15 pm-6:00 pm

2 stops31h 45m

Seoul Gimpo Intl

Thu 10/23

7:55 am-12:16 am

2 stops29h 21m

$972

PhiladelphiaSeoul

PHL - GMP

PHLGMP

Philadelphia

Fri 10/24

9:15 pm-10:55 am

2 stops24h 40m

Seoul Gimpo Intl

Sat 11/1

8:00 am-8:04 pm

2 stops25h 04m

$977

PhiladelphiaSeoul

PHL - GMP

PHLGMP

Philadelphia

Wed 10/1

9:16 am-10:45 am

2 stops36h 29m

Seoul Gimpo Intl

Thu 10/16

7:55 am-12:16 am

2 stops29h 21m

$978

PhiladelphiaSeoul

PHL - GMP

PHLGMP

Philadelphia

Fri 12/5

7:20 am-10:55 am

2 stops37h 35m

Seoul Gimpo Intl

Mon 12/15

7:40 pm-12:51 pm

2 stops31h 11m

$999

PhiladelphiaSeoul

PHL - GMP

PHLGMP

Philadelphia

Tue 9/2

9:15 pm-10:45 am

2 stops24h 30m

Seoul Gimpo Intl

Sun 9/14

7:55 am-2:47 pm

2 stops19h 52m

$1,002

PhiladelphiaSeoul

PHL - GMP

PHLGMP

Philadelphia

Sun 2/8

6:10 am-11:20 am

2 stops39h 10m

Seoul Gimpo Intl

Sat 2/21

7:50 pm-2:22 pm

2 stops32h 32m

$1,645

PhiladelphiaSeoul

PHL - GMP

PHLGMP

Philadelphia

Tue 10/21

6:30 am-10:20 pm

2 stops26h 50m

Seoul Gimpo Intl

Fri 10/31

7:45 am-9:21 pm

2 stops26h 36m

$1,844

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 15m 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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