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Cheap flights from Pennsylvania to Seoul from $645

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Pennsylvania to Seoul departing on 8/17. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
EVA Air Logo
1:15 am - 7:15 pm
IAD
-
GMP
29h 00m
1 stop
EVA Air Logo
1:50 pm - 10:00 pm
GMP
-
IAD
21h 10m
1 stop
$1,182EVA Air
Mon, Sep 14 - Fri, Oct 2
EVA Air Logo
1:15 am - 7:15 pm
IAD
-
GMP
29h 00m
1 stop
EVA Air Logo
1:50 pm - 10:00 pm
GMP
-
IAD
21h 10m
1 stop
$1,185EVA Air
Mon, Sep 14 - Fri, Sep 25
EVA Air Logo
1:15 am - 12:50 pm
IAD
-
GMP
22h 35m
1 stop
EVA Air Logo
1:50 pm - 10:00 pm
GMP
-
IAD
21h 10m
1 stop
$1,221EVA Air
Wed, Oct 7 - Fri, Oct 16
EVA Air Logo
1:25 am - 7:15 pm
JFK
-
GMP
28h 50m
1 stop
EVA Air Logo
7:00 pm - 10:05 pm
GMP
-
JFK
40h 05m
1 stop
$1,268EVA Air
Mon, Aug 17 - Tue, Oct 27
Japan Airlines Logo
1:30 am - 10:40 am
JFK
-
GMP
20h 10m
1 stop
Japan Airlines Logo
12:05 pm - 7:30 pm
GMP
-
JFK
20h 25m
1 stop
$1,371Japan Airlines
Mon, Oct 12 - Tue, Oct 27
Japan Airlines Logo
10:30 am - 9:15 pm
JFK
-
GMP
21h 45m
1 stop
Japan Airlines Logo
12:05 pm - 7:30 pm
GMP
-
JFK
20h 25m
1 stop
$1,391Japan Airlines
Tue, Jul 21 - Mon, Sep 14
Multiple Airlines Logo
6:31 am - 10:05 pm
PHL
-
GMP
25h 34m
2 stops
Multiple Airlines Logo
12:05 pm - 8:25 pm
GMP
-
PHL
22h 20m
2 stops
$1,515Multiple Airlines
Tue, Nov 3 - Wed, Nov 11
Multiple Airlines Logo
1:15 am - 12:50 pm
IAD
-
GMP
22h 35m
1 stop
Multiple Airlines Logo
1:50 pm - 5:40 am
GMP
-
IAD
28h 50m
2 stops
$1,523Multiple Airlines
Wed, Oct 7 - Fri, Oct 16
ANA Logo
3:00 pm - 11:05 am
LGA
-
GMP
31h 05m
2 stops
ANA Logo
7:40 am - 8:16 pm
GMP
-
LGA
25h 36m
2 stops
$1,626ANA
Wed, Oct 7 - Mon, Oct 19
ANA Logo
9:00 am - 10:20 pm
LGA
-
GMP
24h 20m
2 stops
ANA Logo
7:40 am - 8:16 pm
GMP
-
LGA
25h 36m
2 stops
$1,721ANA
Tue, Oct 13 - Tue, Oct 20

EVA Air flights from Pennsylvania to Seoul Gimpo Intl Airport

Our best EVA Air deals on Pennsylvania to Seoul Gimpo Intl Airport flight tickets
EVA Air
Aug 17
JFK1:25 amNew York John F Kennedy Intl
28h 50m
1 stop
GMP7:15 pmSeoul Gimpo Intl
Oct 27
GMP7:00 pmSeoul Gimpo Intl
40h 05m
1 stop
JFK10:05 pmNew York John F Kennedy Intl
$1,268
EVA Air
Aug 16
JFK1:25 amNew York John F Kennedy Intl
27h 45m
1 stop
GMP6:10 pmSeoul Gimpo Intl
Oct 27
GMP7:00 pmSeoul Gimpo Intl
40h 05m
1 stop
JFK10:05 pmNew York John F Kennedy Intl
$1,322
EVA Air
Aug 31
JFK1:25 amNew York John F Kennedy Intl
28h 50m
1 stop
GMP7:15 pmSeoul Gimpo Intl
Sep 15
GMP7:15 pmSeoul Gimpo Intl
39h 50m
1 stop
JFK10:05 pmNew York John F Kennedy Intl
$1,339

Japan Airlines flights from Pennsylvania to Seoul Gimpo Intl Airport

Our best Japan Airlines deals on Pennsylvania to Seoul Gimpo Intl Airport flight tickets
Japan Airlines
Oct 12
JFK1:30 amNew York John F Kennedy Intl
20h 10m
1 stop
GMP10:40 amSeoul Gimpo Intl
Oct 27
GMP12:05 pmSeoul Gimpo Intl
20h 25m
1 stop
JFK7:30 pmNew York John F Kennedy Intl
$1,371
Japan Airlines
Jul 21
JFK10:30 amNew York John F Kennedy Intl
21h 45m
1 stop
GMP9:15 pmSeoul Gimpo Intl
Sep 14
GMP12:05 pmSeoul Gimpo Intl
20h 25m
1 stop
JFK7:30 pmNew York John F Kennedy Intl
$1,391
Japan Airlines
Jul 29
JFK6:00 amNew York John F Kennedy Intl
26h 15m
2 stops
GMP9:15 pmSeoul Gimpo Intl
Oct 7
GMP12:05 pmSeoul Gimpo Intl
20h 25m
1 stop
JFK7:30 pmNew York John F Kennedy Intl
$1,413

momondo Fare Finder

 
Customize your flight search to find flights from Pennsylvania 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 May 9, 2026.
Use the filters below to find and compare flights from Pennsylvania to Seoul Gimpo Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Seoul

IAD - GMP

IADGMP

Washington, D.C. Dulles Intl

Mon 9/14

1:15 am-7:15 pm

1 stop29h 00m

Seoul Gimpo Intl

Fri 10/2

1:50 pm-10:00 pm

1 stop21h 10m

$1,182

Washington, D.C.Seoul

IAD - GMP

IADGMP

Washington, D.C. Dulles Intl

Mon 9/14

1:15 am-7:15 pm

1 stop29h 00m

Seoul Gimpo Intl

Fri 9/25

1:50 pm-10:00 pm

1 stop21h 10m

$1,185

Washington, D.C.Seoul

IAD - GMP

IADGMP

Washington, D.C. Dulles Intl

Wed 10/7

1:15 am-12:50 pm

1 stop22h 35m

Seoul Gimpo Intl

Fri 10/16

1:50 pm-10:00 pm

1 stop21h 10m

$1,221

New YorkSeoul

JFK - GMP

JFKGMP

New York John F Kennedy Intl

Mon 8/17

1:25 am-7:15 pm

1 stop28h 50m

Seoul Gimpo Intl

Tue 10/27

7:00 pm-10:05 pm

1 stop40h 05m

$1,268
Quickest round-trip

New YorkSeoul

JFK - GMP

JFKGMP

New York John F Kennedy Intl

Mon 10/12

1:30 am-10:40 am

1 stop20h 10m

Seoul Gimpo Intl

Tue 10/27

12:05 pm-7:30 pm

1 stop20h 25m

$1,371

New YorkSeoul

JFK - GMP

JFKGMP

New York John F Kennedy Intl

Tue 7/21

10:30 am-9:15 pm

1 stop21h 45m

Seoul Gimpo Intl

Mon 9/14

12:05 pm-7:30 pm

1 stop20h 25m

$1,391

PhiladelphiaSeoul

PHL - GMP

PHLGMP

Philadelphia

Tue 11/3

6:31 am-10:05 pm

2 stops25h 34m

Seoul Gimpo Intl

Wed 11/11

12:05 pm-8:25 pm

2 stops22h 20m

$1,515

Washington, D.C.Seoul

IAD - GMP

IADGMP

Washington, D.C. Dulles Intl

Wed 10/7

1:15 am-12:50 pm

1 stop22h 35m

Seoul Gimpo Intl

Fri 10/16

1:50 pm-5:40 am

2 stops28h 50m

$1,523

New YorkSeoul

LGA - GMP

LGAGMP

New York LaGuardia

Wed 10/7

3:00 pm-11:05 am

2 stops31h 05m

Seoul Gimpo Intl

Mon 10/19

7:40 am-8:16 pm

2 stops25h 36m

$1,626

New YorkSeoul

LGA - GMP

LGAGMP

New York LaGuardia

Tue 10/13

9:00 am-10:20 pm

2 stops24h 20m

Seoul Gimpo Intl

Tue 10/20

7:40 am-8:16 pm

2 stops25h 36m

$1,721

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 Pennsylvania 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 Pennsylvania to Seoul Gimpo Intl?

Japan Airlines, EVA Air, and ANA are the most popular carriers operating from Pennsylvania to Seoul Gimpo Intl

Cheap Pennsylvania to Seoul Gimpo Intl Airport flight deals and tips

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

Fastest flight time

18h 20m

Direct flights

None
The fastest flight from Pennsylvania to Seoul Gimpo Intl Airport takes 18h 20m
There are no direct flights from Pennsylvania to Seoul Gimpo Intl Airport. There are no popular flight routes from Pennsylvania to Seoul Gimpo Intl Airport.
Search flight deals

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

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

    Prices for flights from Pennsylvania to Seoul Gimpo Intl Airport were last updated today.

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Pennsylvania to Seoul Gimpo Intl Airport.

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

    The required travel and health documents for your Seoul Gimpo Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Seoul Gimpo Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Pennsylvania to Seoul. momondo saves you time and could save you money on your trip.

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

Flights from Pennsylvania to Seoul with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search for Pennsylvania to Seoul flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are simply researching potential flights to Seoul, momondo offers a useful price alert feature which will track prices for flights to Seoul from Pennsylvania and alert you when they change.

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