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Cheap flights from Washington, D.C. Dulles Intl Airport to Seoul from $590

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Dulles Intl Airport to Seoul departing on 8/24. 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
1 adult, Economy, 0 bags

Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Seoul

Cheap round-trip flights

Enter your travel dates to find the best prices.
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
$1,169EVA Air
Wed, Sep 2 - Fri, Sep 11
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
$1,231EVA Air
Mon, Sep 28 - Fri, Oct 9
Multiple Airlines Logo
9:00 pm - 12:55 pm
IAD
-
GMP
50h 55m
2 stops
Multiple Airlines Logo
1:55 pm - 3:40 pm
GMP
-
IAD
38h 45m
2 stops
$1,250Multiple Airlines
Sun, Aug 30 - Sun, Sep 13
EVA Air Logo
1:50 am - 7:15 pm
IAD
-
GMP
28h 25m
1 stop
EVA Air Logo
7:15 pm - 10:00 pm
GMP
-
IAD
39h 45m
1 stop
$1,276EVA Air
Mon, Aug 31 - Tue, Sep 15
Multiple Airlines Logo
1:50 am - 7:15 pm
IAD
-
GMP
28h 25m
1 stop
Multiple Airlines Logo
1:50 pm - 5:38 am
GMP
-
IAD
29h 48m
2 stops
$1,367Multiple Airlines
Mon, Aug 24 - Sat, Dec 26
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
$1,371EVA Air
Wed, Sep 30 - Sat, Oct 10
EVA Air Logo
1:15 am - 7:15 pm
IAD
-
GMP
29h 00m
1 stop
EVA Air Logo
7:15 pm - 10:00 pm
GMP
-
IAD
39h 45m
1 stop
$1,395EVA Air
Mon, Sep 28 - Tue, Oct 6
Multiple Airlines Logo
10:19 pm - 10:25 pm
IAD
-
GMP
35h 06m
3 stops
Multiple Airlines Logo
7:40 am - 8:25 pm
GMP
-
IAD
25h 45m
2 stops
$1,408Multiple Airlines
Tue, Sep 1 - Tue, Sep 15
China Eastern Logo
7:00 am - 7:50 pm
IAD
-
GMP
46h 50m
2 stops
China Eastern Logo
12:00 pm - 7:10 pm
GMP
-
IAD
45h 10m
2 stops
$1,412China Eastern
Mon, Nov 2 - Mon, Nov 16
EVA Air Logo
1:15 am - 7:15 pm
IAD
-
GMP
29h 00m
1 stop
EVA Air Logo
7:00 pm - 8:55 pm
GMP
-
IAD
39h 55m
1 stop
$1,471EVA Air
Mon, Oct 12 - Tue, Nov 3

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Japan Airlines flights from Washington, D.C. Dulles Intl Airport to Seoul Gimpo Intl Airport

Our best Japan Airlines deals on Washington, D.C. Dulles Intl Airport to Seoul Gimpo Intl Airport flight tickets
Japan Airlines
Aug 24
IAD7:00 amWashington, D.C. Dulles Intl
38h 40m
2 stops
GMP10:40 amSeoul Gimpo Intl
Aug 31
GMP8:00 amSeoul Gimpo Intl
34h 40m
2 stops
IAD5:40 amWashington, D.C. Dulles Intl
$1,591
Japan Airlines
Jul 10
IAD6:03 amWashington, D.C. Dulles Intl
39h 37m
2 stops
GMP10:40 amSeoul Gimpo Intl
Aug 17
GMP8:00 amSeoul Gimpo Intl
35h 39m
2 stops
IAD6:39 amWashington, D.C. Dulles Intl
$3,008

EVA Air flights from Washington, D.C. Dulles Intl Airport to Seoul Gimpo Intl Airport

Our best EVA Air deals on Washington, D.C. Dulles Intl Airport to Seoul Gimpo Intl Airport flight tickets
EVA Air
Sep 2
IAD1:15 amWashington, D.C. Dulles Intl
22h 35m
1 stop
GMP12:50 pmSeoul Gimpo Intl
Sep 11
GMP1:50 pmSeoul Gimpo Intl
21h 10m
1 stop
IAD10:00 pmWashington, D.C. Dulles Intl
$1,169
EVA Air
Sep 28
IAD1:15 amWashington, D.C. Dulles Intl
29h 00m
1 stop
GMP7:15 pmSeoul Gimpo Intl
Oct 9
GMP1:50 pmSeoul Gimpo Intl
21h 10m
1 stop
IAD10:00 pmWashington, D.C. Dulles Intl
$1,231
EVA Air
Aug 31
IAD1:50 amWashington, D.C. Dulles Intl
28h 25m
1 stop
GMP7:15 pmSeoul Gimpo Intl
Sep 15
GMP7:15 pmSeoul Gimpo Intl
39h 45m
1 stop
IAD10:00 pmWashington, D.C. Dulles Intl
$1,276

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl Airport 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 July 8, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Seoul Gimpo Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

Washington, D.C.Seoul

IAD - GMP

IADGMP

Washington, D.C. Dulles Intl

Wed 9/2

1:15 am-12:50 pm

1 stop22h 35m

Seoul Gimpo Intl

Fri 9/11

1:50 pm-10:00 pm

1 stop21h 10m

$1,169

Washington, D.C.Seoul

IAD - GMP

IADGMP

Washington, D.C. Dulles Intl

Mon 9/28

1:15 am-7:15 pm

1 stop29h 00m

Seoul Gimpo Intl

Fri 10/9

1:50 pm-10:00 pm

1 stop21h 10m

$1,231

Washington, D.C.Seoul

IAD - GMP

IADGMP

Washington, D.C. Dulles Intl

Sun 8/30

9:00 pm-12:55 pm

2 stops50h 55m

Seoul Gimpo Intl

Sun 9/13

1:55 pm-3:40 pm

2 stops38h 45m

$1,250

Washington, D.C.Seoul

IAD - GMP

IADGMP

Washington, D.C. Dulles Intl

Mon 8/31

1:50 am-7:15 pm

1 stop28h 25m

Seoul Gimpo Intl

Tue 9/15

7:15 pm-10:00 pm

1 stop39h 45m

$1,276

Washington, D.C.Seoul

IAD - GMP

IADGMP

Washington, D.C. Dulles Intl

Mon 8/24

1:50 am-7:15 pm

1 stop28h 25m

Seoul Gimpo Intl

Sat 12/26

1:50 pm-5:38 am

2 stops29h 48m

$1,367

Washington, D.C.Seoul

IAD - GMP

IADGMP

Washington, D.C. Dulles Intl

Wed 9/30

1:15 am-12:50 pm

1 stop22h 35m

Seoul Gimpo Intl

Sat 10/10

1:50 pm-10:00 pm

1 stop21h 10m

$1,371

Washington, D.C.Seoul

IAD - GMP

IADGMP

Washington, D.C. Dulles Intl

Mon 9/28

1:15 am-7:15 pm

1 stop29h 00m

Seoul Gimpo Intl

Tue 10/6

7:15 pm-10:00 pm

1 stop39h 45m

$1,395

Washington, D.C.Seoul

IAD - GMP

IADGMP

Washington, D.C. Dulles Intl

Tue 9/1

10:19 pm-10:25 pm

3 stops35h 06m

Seoul Gimpo Intl

Tue 9/15

7:40 am-8:25 pm

2 stops25h 45m

$1,408

Washington, D.C.Seoul

IAD - GMP

IADGMP

Washington, D.C. Dulles Intl

Mon 11/2

7:00 am-7:50 pm

2 stops46h 50m

Seoul Gimpo Intl

Mon 11/16

12:00 pm-7:10 pm

2 stops45h 10m

$1,412

Washington, D.C.Seoul

IAD - GMP

IADGMP

Washington, D.C. Dulles Intl

Mon 10/12

1:15 am-7:15 pm

1 stop29h 00m

Seoul Gimpo Intl

Tue 11/3

7:00 pm-8:55 pm

1 stop39h 55m

$1,471

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 Washington, D.C. Dulles Intl Airport 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 Washington, D.C. Dulles Intl to Seoul Gimpo Intl?

EVA Air and Japan Airlines are the most popular carriers operating from Washington, D.C. Dulles Intl to Seoul Gimpo Intl

When to book flights from Washington, D.C. Dulles Intl Airport to Seoul Gimpo Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Dulles Intl Airport 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 Washington, D.C. Dulles Intl Airport to Seoul Gimpo Intl Airport (IAD to GMP) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Seoul Gimpo Intl Airport

Fastest flight time

20h 30m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Seoul Gimpo Intl Airport takes 20h 30m
There are no direct flights from Washington, D.C. Dulles Intl Airport to Seoul Gimpo Intl Airport. There are no popular flight routes from Washington, D.C. Dulles Intl Airport to Seoul Gimpo Intl Airport.
Search flight deals

Frequently asked questions about flying from Washington, D.C. Dulles Intl Airport to Seoul Gimpo Intl Airport

  • How far is Washington, D.C. Dulles Intl to Seoul Gimpo Intl by plane?

    The distance between Washington, D.C. Dulles Intl and Seoul Gimpo Intl is about 6925.2 mi. A reasonable flight in good conditions will take 20h 30m.

  • When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Seoul Gimpo Intl Airport?

    Prices for flights from Washington, D.C. Dulles Intl Airport to Seoul Gimpo Intl Airport refresh daily.

  • How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Seoul Gimpo Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport 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 Washington, D.C. to Seoul?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Washington, D.C. to Seoul for you.

Can I find flights from Washington, D.C. to Seoul with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Washington, D.C. to Seoul flights to just show those with flexible booking policies.

How can momondo help me find flights from Washington, D.C. to Seoul?

momondo provides multiple filters to help you find the best flight to Seoul from Washington, D.C.. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes momondo offers price alerts on flights to Seoul from Washington, D.C.. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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