Cheap flights from Philadelphia to Seoul from $452

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 1/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Japan Airlines Logo
6:21 am - 10:05 pmPHL-GMP
25h 44m2 stops
Japan Airlines Logo
7:40 pm - 12:55 pmGMP-PHL
31h 15m2 stops
$898Japan Airlines
Find Deal
Mon, Jan 12 - Mon, Jan 19
Japan Airlines Logo
6:15 am - 10:05 pmPHL-GMP
25h 50m2 stops
Japan Airlines Logo
7:40 pm - 12:55 pmGMP-PHL
31h 15m2 stops
$899Japan Airlines
Find Deal
Tue, Jan 13 - Tue, Jan 20
Japan Airlines Logo
9:17 pm - 6:00 pmPHL-GMP
31h 43m2 stops
Japan Airlines Logo
12:05 pm - 2:55 pmGMP-PHL
39h 50m2 stops
$900Japan Airlines
Find Deal
Sun, Apr 19 - Tue, May 19
Japan Airlines Logo
6:15 am - 10:05 pmPHL-GMP
25h 50m2 stops
Japan Airlines Logo
12:05 pm - 2:44 pmGMP-PHL
40h 39m2 stops
$906Japan Airlines
Find Deal
Mon, Feb 9 - Mon, Feb 16
Japan Airlines Logo
3:07 pm - 10:05 pmPHL-GMP
40h 58m2 stops
Japan Airlines Logo
7:40 pm - 8:25 pmGMP-PHL
38h 45m2 stops
$1,046Japan Airlines
Find Deal
Thu, Jan 22 - Mon, Jan 26
Japan Airlines Logo
3:07 pm - 10:05 pmPHL-GMP
40h 58m2 stops
Japan Airlines Logo
7:40 pm - 2:44 pmGMP-PHL
33h 04m2 stops
$1,047Japan Airlines
Find Deal
Mon, Feb 9 - Mon, Feb 16
Japan Airlines Logo
8:35 am - 6:00 pmPHL-GMP
44h 25m2 stops
Japan Airlines Logo
7:55 am - 11:59 pmGMP-PHL
29h 04m2 stops
$1,052Japan Airlines
Find Deal
Mon, Mar 30 - Tue, Apr 14
Japan Airlines Logo
6:15 am - 10:55 amPHL-GMP
38h 40m2 stops
Japan Airlines Logo
7:40 pm - 2:33 pmGMP-PHL
32h 53m2 stops
$1,080Japan Airlines
Find Deal
Sat, Jan 10 - Sat, Jan 17
Japan Airlines Logo
6:21 am - 10:55 amPHL-GMP
38h 34m2 stops
Japan Airlines Logo
7:40 pm - 2:50 pmGMP-PHL
33h 10m2 stops
$1,300Japan Airlines
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Fri, Jan 9 - Fri, Jan 16
Multiple Airlines Logo
8:10 am - 10:05 pmPHL-GMP
24h 55m2 stops
Multiple Airlines Logo
7:55 am - 2:11 pmGMP-PHL
19h 16m2 stops
$1,411Multiple Airlines
Find Deal
Wed, Mar 25 - Tue, Mar 31

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 1
PHL6:31 amPhiladelphia
25h 34m
2 stops
GMP10:05 pmSeoul Gimpo Intl
Jan 21
GMP7:40 pmSeoul Gimpo Intl
38h 45m
2 stops
PHL8:25 pmPhiladelphia
Japan Airlines
Jan 12
PHL6:21 amPhiladelphia
25h 44m
2 stops
GMP10:05 pmSeoul Gimpo Intl
Jan 19
GMP7:40 pmSeoul Gimpo Intl
31h 15m
2 stops
PHL12:55 pmPhiladelphia
Japan Airlines
Jan 13
PHL6:15 amPhiladelphia
25h 50m
2 stops
GMP10:05 pmSeoul Gimpo Intl
Jan 20
GMP7:40 pmSeoul Gimpo Intl
31h 15m
2 stops
PHL12:55 pmPhiladelphia

ANA flights from Philadelphia to Seoul Gimpo Intl Airport

Our best ANA deals on Philadelphia to Seoul Gimpo Intl Airport flight tickets
ANA
Apr 3
PHL1:27 pmPhiladelphia
32h 38m
2 stops
GMP11:05 amSeoul Gimpo Intl
Apr 25
GMP7:55 pmSeoul Gimpo Intl
41h 15m
2 stops
PHL12:10 amPhiladelphia
ANA
Dec 15
PHL1:15 pmPhiladelphia
43h 15m
2 stops
GMP10:30 pmSeoul Gimpo Intl
Jan 6
GMP7:50 pmSeoul Gimpo Intl
32h 20m
2 stops
PHL2:10 pmPhiladelphia
ANA
May 17
PHL6:10 amPhiladelphia
39h 55m
2 stops
GMP11:05 amSeoul Gimpo Intl
May 22
GMP7:55 pmSeoul Gimpo Intl
34h 27m
2 stops
PHL5:22 pmPhiladelphia

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 November 30, 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

Mon 1/12

6:21 am-10:05 pm

2 stops25h 44m

Seoul Gimpo Intl

Mon 1/19

7:40 pm-12:55 pm

2 stops31h 15m

$898

PhiladelphiaSeoul

PHL - GMP

PHLGMP

Philadelphia

Tue 1/13

6:15 am-10:05 pm

2 stops25h 50m

Seoul Gimpo Intl

Tue 1/20

7:40 pm-12:55 pm

2 stops31h 15m

$899

PhiladelphiaSeoul

PHL - GMP

PHLGMP

Philadelphia

Sun 4/19

9:17 pm-6:00 pm

2 stops31h 43m

Seoul Gimpo Intl

Tue 5/19

12:05 pm-2:55 pm

2 stops39h 50m

$900

PhiladelphiaSeoul

PHL - GMP

PHLGMP

Philadelphia

Mon 2/9

6:15 am-10:05 pm

2 stops25h 50m

Seoul Gimpo Intl

Mon 2/16

12:05 pm-2:44 pm

2 stops40h 39m

$906

PhiladelphiaSeoul

PHL - GMP

PHLGMP

Philadelphia

Thu 1/22

3:07 pm-10:05 pm

2 stops40h 58m

Seoul Gimpo Intl

Mon 1/26

7:40 pm-8:25 pm

2 stops38h 45m

$1,046

PhiladelphiaSeoul

PHL - GMP

PHLGMP

Philadelphia

Mon 2/9

3:07 pm-10:05 pm

2 stops40h 58m

Seoul Gimpo Intl

Mon 2/16

7:40 pm-2:44 pm

2 stops33h 04m

$1,047

PhiladelphiaSeoul

PHL - GMP

PHLGMP

Philadelphia

Mon 3/30

8:35 am-6:00 pm

2 stops44h 25m

Seoul Gimpo Intl

Tue 4/14

7:55 am-11:59 pm

2 stops29h 04m

$1,052

PhiladelphiaSeoul

PHL - GMP

PHLGMP

Philadelphia

Sat 1/10

6:15 am-10:55 am

2 stops38h 40m

Seoul Gimpo Intl

Sat 1/17

7:40 pm-2:33 pm

2 stops32h 53m

$1,080

PhiladelphiaSeoul

PHL - GMP

PHLGMP

Philadelphia

Fri 1/9

6:21 am-10:55 am

2 stops38h 34m

Seoul Gimpo Intl

Fri 1/16

7:40 pm-2:50 pm

2 stops33h 10m

$1,300

PhiladelphiaSeoul

PHL - GMP

PHLGMP

Philadelphia

Wed 3/25

8:10 am-10:05 pm

2 stops24h 55m

Seoul Gimpo Intl

Tue 3/31

7:55 am-2:11 pm

2 stops19h 16m

$1,411

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

Fastest flight time

24h 05m

Direct flights

None
The fastest flight from Philadelphia to Seoul Gimpo Intl Airport takes 24h 05m
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.
  • How far is Philadelphia to Seoul Gimpo Intl by plane?

    There are 6898.0 mi between Philadelphia and Seoul Gimpo Intl. 23h 10m 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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1 adult
Tue 12/30
Tue 1/6

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