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Cheap flights from Washington, D.C. Dulles Intl Airport to Seoul from $523

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 9/9. 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

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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
5:54 pm - 12:50 pm
IAD
-
GMP
29h 56m
2 stops
EVA Air Logo
1:50 pm - 10:00 pm
GMP
-
IAD
21h 10m
1 stop
$1,123EVA Air
Thu, Sep 24 - Fri, Oct 16
EVA Air Logo
5:54 pm - 12:50 pm
IAD
-
GMP
29h 56m
2 stops
EVA Air Logo
7:15 pm - 10:00 pm
GMP
-
IAD
39h 45m
1 stop
$1,175EVA Air
Wed, Sep 30 - Tue, Oct 20
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
$1,262EVA Air
Mon, Sep 7 - Tue, Sep 29
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
$1,276EVA Air
Wed, Sep 23 - Fri, Oct 16
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
$1,282EVA Air
Wed, Sep 23 - Sat, Oct 17
EVA Air Logo
1:50 am - 7:15 pm
IAD
-
GMP
28h 25m
1 stop
EVA Air Logo
1:50 pm - 10:30 pm
GMP
-
IAD
21h 40m
1 stop
$1,381EVA Air
Mon, Aug 3 - Sat, Aug 15
Multiple Airlines Logo
6:10 am - 9:15 pm
IAD
-
GMP
26h 05m
2 stops
Multiple Airlines Logo
8:00 am - 5:40 am
GMP
-
IAD
34h 40m
2 stops
$1,563Multiple Airlines
Fri, May 1 - Wed, May 13
Multiple Airlines Logo
6:10 am - 9:15 pm
IAD
-
GMP
26h 05m
2 stops
Multiple Airlines Logo
8:00 am - 5:40 am
GMP
-
IAD
34h 40m
2 stops
$1,565Multiple Airlines
Fri, May 1 - Sun, May 17
Multiple Airlines Logo
6:10 am - 9:15 pm
IAD
-
GMP
26h 05m
2 stops
Multiple Airlines Logo
7:15 pm - 7:34 am
GMP
-
IAD
49h 19m
2 stops
$1,567Multiple Airlines
Fri, May 1 - Mon, Jun 1
Multiple Airlines Logo
6:10 am - 9:15 pm
IAD
-
GMP
26h 05m
2 stops
Multiple Airlines Logo
8:00 am - 5:40 am
GMP
-
IAD
34h 40m
2 stops
$1,570Multiple Airlines
Wed, Apr 29 - Mon, May 11

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

Our best ANA deals on Washington, D.C. Dulles Intl Airport to Seoul Gimpo Intl Airport flight tickets
ANA
Aug 12
IAD12:15 pmWashington, D.C. Dulles Intl
21h 05m
1 stop
GMP10:20 pmSeoul Gimpo Intl
Aug 26
GMP7:55 pmSeoul Gimpo Intl
27h 10m
1 stop
IAD10:05 amWashington, D.C. Dulles Intl
$1,828
ANA
Aug 4
IAD1:25 pmWashington, D.C. Dulles Intl
32h 40m
2 stops
GMP11:05 amSeoul Gimpo Intl
Aug 25
GMP7:55 pmSeoul Gimpo Intl
27h 10m
1 stop
IAD10:05 amWashington, D.C. Dulles Intl
$1,832
ANA
Aug 4
IAD3:30 pmWashington, D.C. Dulles Intl
30h 35m
2 stops
GMP11:05 amSeoul Gimpo Intl
Aug 25
GMP7:55 pmSeoul Gimpo Intl
31h 00m
2 stops
IAD1:55 pmWashington, D.C. Dulles Intl
$1,841

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 24
IAD5:54 pmWashington, D.C. Dulles Intl
29h 56m
2 stops
GMP12:50 pmSeoul Gimpo Intl
Oct 16
GMP1:50 pmSeoul Gimpo Intl
21h 10m
1 stop
IAD10:00 pmWashington, D.C. Dulles Intl
$1,123
EVA Air
Sep 30
IAD5:54 pmWashington, D.C. Dulles Intl
29h 56m
2 stops
GMP12:50 pmSeoul Gimpo Intl
Oct 20
GMP7:15 pmSeoul Gimpo Intl
39h 45m
1 stop
IAD10:00 pmWashington, D.C. Dulles Intl
$1,175
EVA Air
Sep 7
IAD1:15 amWashington, D.C. Dulles Intl
29h 00m
1 stop
GMP7:15 pmSeoul Gimpo Intl
Sep 29
GMP7:15 pmSeoul Gimpo Intl
39h 45m
1 stop
IAD10:00 pmWashington, D.C. Dulles Intl
$1,262

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 April 7, 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

Washington, D.C.Seoul

IAD - GMP

IADGMP

Washington, D.C. Dulles Intl

Thu 9/24

5:54 pm-12:50 pm

2 stops29h 56m

Seoul Gimpo Intl

Fri 10/16

1:50 pm-10:00 pm

1 stop21h 10m

$1,123

Washington, D.C.Seoul

IAD - GMP

IADGMP

Washington, D.C. Dulles Intl

Wed 9/30

5:54 pm-12:50 pm

2 stops29h 56m

Seoul Gimpo Intl

Tue 10/20

7:15 pm-10:00 pm

1 stop39h 45m

$1,175

Washington, D.C.Seoul

IAD - GMP

IADGMP

Washington, D.C. Dulles Intl

Mon 9/7

1:15 am-7:15 pm

1 stop29h 00m

Seoul Gimpo Intl

Tue 9/29

7:15 pm-10:00 pm

1 stop39h 45m

$1,262
Quickest round-trip

Washington, D.C.Seoul

IAD - GMP

IADGMP

Washington, D.C. Dulles Intl

Wed 9/23

1:15 am-12:50 pm

1 stop22h 35m

Seoul Gimpo Intl

Fri 10/16

1:50 pm-10:00 pm

1 stop21h 10m

$1,276

Washington, D.C.Seoul

IAD - GMP

IADGMP

Washington, D.C. Dulles Intl

Wed 9/23

1:15 am-12:50 pm

1 stop22h 35m

Seoul Gimpo Intl

Sat 10/17

1:50 pm-10:00 pm

1 stop21h 10m

$1,282

Washington, D.C.Seoul

IAD - GMP

IADGMP

Washington, D.C. Dulles Intl

Mon 8/3

1:50 am-7:15 pm

1 stop28h 25m

Seoul Gimpo Intl

Sat 8/15

1:50 pm-10:30 pm

1 stop21h 40m

$1,381

Washington, D.C.Seoul

IAD - GMP

IADGMP

Washington, D.C. Dulles Intl

Fri 5/1

6:10 am-9:15 pm

2 stops26h 05m

Seoul Gimpo Intl

Wed 5/13

8:00 am-5:40 am

2 stops34h 40m

$1,563

Washington, D.C.Seoul

IAD - GMP

IADGMP

Washington, D.C. Dulles Intl

Fri 5/1

6:10 am-9:15 pm

2 stops26h 05m

Seoul Gimpo Intl

Sun 5/17

8:00 am-5:40 am

2 stops34h 40m

$1,565

Washington, D.C.Seoul

IAD - GMP

IADGMP

Washington, D.C. Dulles Intl

Fri 5/1

6:10 am-9:15 pm

2 stops26h 05m

Seoul Gimpo Intl

Mon 6/1

7:15 pm-7:34 am

2 stops49h 19m

$1,567

Washington, D.C.Seoul

IAD - GMP

IADGMP

Washington, D.C. Dulles Intl

Wed 4/29

6:10 am-9:15 pm

2 stops26h 05m

Seoul Gimpo Intl

Mon 5/11

8:00 am-5:40 am

2 stops34h 40m

$1,570

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 is the most popular carrier 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

21h 05m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Seoul Gimpo Intl Airport takes 21h 05m
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 21h 05m.

  • 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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