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Cheap flights from Seoul Gimpo Intl Airport to Washington, D.C. from $665

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seoul Gimpo Intl Airport to Washington, D.C. departing on 5/11. 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 Seoul Gimpo Intl Airport to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:00 am - 4:30 pm
GMP
-
DCA
21h 30m
2 stops
Multiple Airlines Logo
6:59 am - 5:55 pm
DCA
-
GMP
21h 56m
2 stops
$1,130Multiple Airlines
Mon, Jun 22 - Mon, Jul 13
Japan Airlines Logo
12:05 pm - 12:58 pm
GMP
-
DCA
61h 53m
2 stops
Japan Airlines Logo
6:30 am - 9:15 pm
DCA
-
GMP
49h 45m
2 stops
$1,179Japan Airlines
Wed, Sep 16 - Sun, Sep 20
Japan Airlines Logo
12:05 pm - 7:58 am
GMP
-
DCA
56h 53m
2 stops
Japan Airlines Logo
7:22 pm - 9:15 pm
DCA
-
GMP
36h 53m
2 stops
$1,184Japan Airlines
Wed, Sep 16 - Sun, Sep 20
Japan Airlines Logo
7:15 pm - 11:02 pm
GMP
-
DCA
40h 47m
2 stops
Japan Airlines Logo
6:30 am - 9:15 pm
DCA
-
GMP
49h 45m
2 stops
$1,186Japan Airlines
Wed, Sep 16 - Sun, Sep 20
ANA Logo
7:55 pm - 2:22 pm
GMP
-
DCA
31h 27m
2 stops
ANA Logo
3:30 pm - 11:05 am
DCA
-
GMP
30h 35m
2 stops
$1,201ANA
Tue, Jul 7 - Tue, Aug 4
Japan Airlines Logo
8:00 am - 4:45 pm
GMP
-
DCA
21h 45m
2 stops
Japan Airlines Logo
6:00 am - 5:55 pm
DCA
-
GMP
22h 55m
2 stops
$1,208Japan Airlines
Fri, May 8 - Tue, May 26
Japan Airlines Logo
8:00 am - 11:02 pm
GMP
-
DCA
28h 02m
2 stops
Japan Airlines Logo
7:44 am - 9:15 pm
DCA
-
GMP
24h 31m
2 stops
$1,237Japan Airlines
Sun, Sep 13 - Wed, Sep 16
Japan Airlines Logo
8:00 am - 8:00 am
GMP
-
DCA
37h 00m
2 stops
Japan Airlines Logo
6:30 am - 5:55 pm
DCA
-
GMP
22h 25m
2 stops
$1,288Japan Airlines
Mon, Jun 22 - Mon, Jul 13
Japan Airlines Logo
8:00 am - 8:00 am
GMP
-
DCA
37h 00m
2 stops
Japan Airlines Logo
10:13 am - 9:15 pm
DCA
-
GMP
22h 02m
2 stops
$1,290Japan Airlines
Mon, Jun 22 - Mon, Jul 13
Japan Airlines Logo
12:05 pm - 10:19 pm
GMP
-
DCA
23h 14m
2 stops
Japan Airlines Logo
7:17 pm - 10:40 am
DCA
-
GMP
26h 23m
2 stops
$1,331Japan Airlines
Mon, Jul 6 - Wed, Aug 5

Japan Airlines flights from Seoul Gimpo Intl Airport to Washington, D.C. Reagan-National Airport

Our best Japan Airlines deals on Seoul Gimpo Intl Airport to Washington, D.C. Reagan-National Airport flight tickets
Japan Airlines
Sep 16
GMP12:05 pmSeoul Gimpo Intl
61h 53m
2 stops
DCA12:58 pmWashington, D.C. Reagan-National
Sep 20
DCA6:30 amWashington, D.C. Reagan-National
49h 45m
2 stops
GMP9:15 pmSeoul Gimpo Intl
$1,179
Japan Airlines
Sep 16
GMP12:05 pmSeoul Gimpo Intl
56h 53m
2 stops
DCA7:58 amWashington, D.C. Reagan-National
Sep 20
DCA7:22 pmWashington, D.C. Reagan-National
36h 53m
2 stops
GMP9:15 pmSeoul Gimpo Intl
$1,184
Japan Airlines
Sep 16
GMP7:15 pmSeoul Gimpo Intl
40h 47m
2 stops
DCA11:02 pmWashington, D.C. Reagan-National
Sep 20
DCA6:30 amWashington, D.C. Reagan-National
49h 45m
2 stops
GMP9:15 pmSeoul Gimpo Intl
$1,186

ANA flights from Seoul Gimpo Intl Airport to Washington, D.C. Reagan-National Airport

Our best ANA deals on Seoul Gimpo Intl Airport to Washington, D.C. Reagan-National Airport flight tickets
ANA
Jul 7
GMP7:55 pmSeoul Gimpo Intl
31h 27m
2 stops
DCA2:22 pmWashington, D.C. Reagan-National
Aug 4
DCA3:30 pmWashington, D.C. Reagan-National
30h 35m
2 stops
GMP11:05 amSeoul Gimpo Intl
$1,201
ANA
Aug 18
GMP7:55 pmSeoul Gimpo Intl
31h 04m
2 stops
DCA1:59 pmWashington, D.C. Reagan-National
Jan 19
DCA2:00 pmWashington, D.C. Reagan-National
31h 20m
2 stops
GMP11:20 amSeoul Gimpo Intl
$1,510
ANA
Sep 13
GMP7:55 pmSeoul Gimpo Intl
31h 04m
2 stops
DCA1:59 pmWashington, D.C. Reagan-National
Sep 25
DCA3:30 pmWashington, D.C. Reagan-National
30h 35m
2 stops
GMP11:05 amSeoul Gimpo Intl
$2,223

momondo Fare Finder

 
Customize your flight search to find flights from Seoul Gimpo Intl Airport to Washington, D.C. Reagan-National 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 March 27, 2026.
Use the filters below to find and compare flights from Seoul Gimpo Intl Airport to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

SeoulWashington, D.C.

GMP - DCA

GMPDCA

Seoul Gimpo Intl

Mon 6/22

8:00 am-4:30 pm

2 stops21h 30m

Washington, D.C. Reagan-National

Mon 7/13

6:59 am-5:55 pm

2 stops21h 56m

$1,130

SeoulWashington, D.C.

GMP - DCA

GMPDCA

Seoul Gimpo Intl

Wed 9/16

12:05 pm-12:58 pm

2 stops61h 53m

Washington, D.C. Reagan-National

Sun 9/20

6:30 am-9:15 pm

2 stops49h 45m

$1,179

SeoulWashington, D.C.

GMP - DCA

GMPDCA

Seoul Gimpo Intl

Wed 9/16

12:05 pm-7:58 am

2 stops56h 53m

Washington, D.C. Reagan-National

Sun 9/20

7:22 pm-9:15 pm

2 stops36h 53m

$1,184

SeoulWashington, D.C.

GMP - DCA

GMPDCA

Seoul Gimpo Intl

Wed 9/16

7:15 pm-11:02 pm

2 stops40h 47m

Washington, D.C. Reagan-National

Sun 9/20

6:30 am-9:15 pm

2 stops49h 45m

$1,186

SeoulWashington, D.C.

GMP - DCA

GMPDCA

Seoul Gimpo Intl

Tue 7/7

7:55 pm-2:22 pm

2 stops31h 27m

Washington, D.C. Reagan-National

Tue 8/4

3:30 pm-11:05 am

2 stops30h 35m

$1,201

SeoulWashington, D.C.

GMP - DCA

GMPDCA

Seoul Gimpo Intl

Fri 5/8

8:00 am-4:45 pm

2 stops21h 45m

Washington, D.C. Reagan-National

Tue 5/26

6:00 am-5:55 pm

2 stops22h 55m

$1,208

SeoulWashington, D.C.

GMP - DCA

GMPDCA

Seoul Gimpo Intl

Sun 9/13

8:00 am-11:02 pm

2 stops28h 02m

Washington, D.C. Reagan-National

Wed 9/16

7:44 am-9:15 pm

2 stops24h 31m

$1,237

SeoulWashington, D.C.

GMP - DCA

GMPDCA

Seoul Gimpo Intl

Mon 6/22

8:00 am-8:00 am

2 stops37h 00m

Washington, D.C. Reagan-National

Mon 7/13

6:30 am-5:55 pm

2 stops22h 25m

$1,288

SeoulWashington, D.C.

GMP - DCA

GMPDCA

Seoul Gimpo Intl

Mon 6/22

8:00 am-8:00 am

2 stops37h 00m

Washington, D.C. Reagan-National

Mon 7/13

10:13 am-9:15 pm

2 stops22h 02m

$1,290

SeoulWashington, D.C.

GMP - DCA

GMPDCA

Seoul Gimpo Intl

Mon 7/6

12:05 pm-10:19 pm

2 stops23h 14m

Washington, D.C. Reagan-National

Wed 8/5

7:17 pm-10:40 am

2 stops26h 23m

$1,331

Flights are sorted by cheapest round-trip flights first.

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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Seoul Gimpo Intl Airport to Washington, D.C. Reagan-National 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 Seoul Gimpo Intl to Washington, D.C. Reagan-National?

Japan Airlines is the most popular carrier operating from Seoul Gimpo Intl to Washington, D.C. Reagan-National

When to book flights from Seoul Gimpo Intl Airport to Washington, D.C. Reagan-National Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Seoul Gimpo Intl Airport to Washington, D.C. Reagan-National Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Seoul Gimpo Intl Airport to Washington, D.C. Reagan-National Airport (GMP to DCA) flight deals and tips

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

Fastest flight time

21h 37m

Direct flights

None
The fastest flight from Seoul Gimpo Intl Airport to Washington, D.C. Reagan-National Airport takes 21h 37m
There are no direct flights from Seoul Gimpo Intl Airport to Washington, D.C. Reagan-National Airport. There are no popular flight routes from Seoul Gimpo Intl Airport to Washington, D.C. Reagan-National Airport.
Search flight deals

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

    Seoul Gimpo Intl and Washington, D.C. Reagan-National are 6938.8 mi apart from one another. Typically, this will take 21h 37m by plane in normal conditions.

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

    Prices for flights from Seoul Gimpo Intl Airport to Washington, D.C. Reagan-National Airport are refreshed on a daily basis.

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Seoul Gimpo Intl Airport to Washington, D.C. Reagan-National Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Reagan-National Airport?

    The travel and health documents required for your trip to Washington, D.C. Reagan-National Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington, D.C. Reagan-National Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Waldorf
Woodbridge
Laurel
Colonial Beach
Gaithersburg
Towson
Silver Spring
Fredericksburg
Rockville
Tysons
Manassas
Linthicum Heights
Springfield
Bethesda
Fairfax
College Park

Why use momondo?

Why should I use momondo to find a flight deal from Seoul to Washington, D.C.?

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 Seoul to Washington, D.C. for you.

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

Yes. momondo enables you to select and highlight flights to Washington, D.C. from Seoul with this policy.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Seoul to Washington, D.C..

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

Yes. momondo can track prices for Seoul to Washington, D.C. flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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