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Cheap flights from Seoul Gimpo Intl Airport to Washington, D.C. from $473

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 2/19. 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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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
8:10 am - 10:28 pm
GMP
-
DCA
27h 18m
2 stops
Multiple Airlines Logo
11:00 am - 1:10 pm
DCA
-
GMP
37h 10m
2 stops
$949Multiple Airlines
Sun, Jun 14 - Tue, Jun 30
ANA Logo
7:50 pm - 7:12 pm
GMP
-
DCA
37h 22m
2 stops
ANA Logo
8:20 am - 11:20 am
DCA
-
GMP
37h 00m
2 stops
$1,074ANA
Thu, Feb 19 - Mon, Feb 23
ANA Logo
7:50 pm - 1:07 pm
GMP
-
DCA
31h 17m
2 stops
ANA Logo
2:00 pm - 11:20 am
DCA
-
GMP
31h 20m
2 stops
$1,224ANA
Thu, Feb 19 - Thu, Feb 26
Japan Airlines Logo
7:55 am - 10:29 pm
GMP
-
DCA
27h 34m
2 stops
Japan Airlines Logo
6:00 am - 9:50 pm
DCA
-
GMP
26h 50m
2 stops
$1,286Japan Airlines
Wed, Apr 1 - Thu, May 7
Japan Airlines Logo
8:00 am - 9:30 pm
GMP
-
DCA
27h 30m
2 stops
Japan Airlines Logo
9:35 am - 10:05 pm
DCA
-
GMP
47h 30m
2 stops
$1,298Japan Airlines
Fri, Mar 6 - Mon, Mar 9
Japan Airlines Logo
8:00 am - 5:27 pm
GMP
-
DCA
23h 27m
2 stops
Japan Airlines Logo
5:00 pm - 10:05 pm
DCA
-
GMP
40h 05m
2 stops
$1,312Japan Airlines
Fri, Mar 6 - Mon, Mar 9
Japan Airlines Logo
8:00 am - 9:30 pm
GMP
-
DCA
27h 30m
2 stops
Japan Airlines Logo
5:00 pm - 6:20 pm
DCA
-
GMP
36h 20m
2 stops
$1,313Japan Airlines
Fri, Mar 6 - Mon, Mar 9
Japan Airlines Logo
12:05 pm - 8:44 pm
GMP
-
DCA
22h 39m
2 stops
Japan Airlines Logo
8:30 am - 10:05 pm
DCA
-
GMP
24h 35m
2 stops
$1,324Japan Airlines
Wed, Feb 11 - Mon, Mar 9
Japan Airlines Logo
12:05 pm - 8:44 pm
GMP
-
DCA
22h 39m
2 stops
Japan Airlines Logo
8:30 am - 10:05 pm
DCA
-
GMP
24h 35m
2 stops
$1,338Japan Airlines
Wed, Feb 11 - Mon, Mar 9
Japan Airlines Logo
7:55 am - 10:29 pm
GMP
-
DCA
27h 34m
2 stops
Japan Airlines Logo
6:00 am - 6:00 pm
DCA
-
GMP
47h 00m
2 stops
$1,382Japan Airlines
Mon, Mar 30 - Sun, May 10

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
Feb 19
GMP7:50 pmSeoul Gimpo Intl
37h 22m
2 stops
DCA7:12 pmWashington, D.C. Reagan-National
Feb 23
DCA8:20 amWashington, D.C. Reagan-National
37h 00m
2 stops
GMP11:20 amSeoul Gimpo Intl
$1,074
ANA
Feb 19
GMP7:50 pmSeoul Gimpo Intl
31h 17m
2 stops
DCA1:07 pmWashington, D.C. Reagan-National
Feb 26
DCA2:00 pmWashington, D.C. Reagan-National
31h 20m
2 stops
GMP11:20 amSeoul Gimpo Intl
$1,224
ANA
Feb 25
GMP7:50 pmSeoul Gimpo Intl
31h 17m
2 stops
DCA1:07 pmWashington, D.C. Reagan-National
Nov 6
DCA2:00 pmWashington, D.C. Reagan-National
31h 20m
2 stops
GMP11:20 amSeoul Gimpo Intl
$4,212

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
Apr 1
GMP7:55 amSeoul Gimpo Intl
27h 34m
2 stops
DCA10:29 pmWashington, D.C. Reagan-National
May 7
DCA6:00 amWashington, D.C. Reagan-National
26h 50m
2 stops
GMP9:50 pmSeoul Gimpo Intl
$1,286
Japan Airlines
Mar 6
GMP8:00 amSeoul Gimpo Intl
27h 30m
2 stops
DCA9:30 pmWashington, D.C. Reagan-National
Mar 9
DCA9:35 amWashington, D.C. Reagan-National
47h 30m
2 stops
GMP10:05 pmSeoul Gimpo Intl
$1,298
Japan Airlines
Mar 6
GMP8:00 amSeoul Gimpo Intl
23h 27m
2 stops
DCA5:27 pmWashington, D.C. Reagan-National
Mar 9
DCA5:00 pmWashington, D.C. Reagan-National
40h 05m
2 stops
GMP10:05 pmSeoul Gimpo Intl
$1,312

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 January 26, 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

SeoulWashington, D.C.

GMP - DCA

GMPDCA

Seoul Gimpo Intl

Sun 6/14

8:10 am-10:28 pm

2 stops27h 18m

Washington, D.C. Reagan-National

Tue 6/30

11:00 am-1:10 pm

2 stops37h 10m

$949

SeoulWashington, D.C.

GMP - DCA

GMPDCA

Seoul Gimpo Intl

Thu 2/19

7:50 pm-7:12 pm

2 stops37h 22m

Washington, D.C. Reagan-National

Mon 2/23

8:20 am-11:20 am

2 stops37h 00m

$1,074

SeoulWashington, D.C.

GMP - DCA

GMPDCA

Seoul Gimpo Intl

Thu 2/19

7:50 pm-1:07 pm

2 stops31h 17m

Washington, D.C. Reagan-National

Thu 2/26

2:00 pm-11:20 am

2 stops31h 20m

$1,224

SeoulWashington, D.C.

GMP - DCA

GMPDCA

Seoul Gimpo Intl

Wed 4/1

7:55 am-10:29 pm

2 stops27h 34m

Washington, D.C. Reagan-National

Thu 5/7

6:00 am-9:50 pm

2 stops26h 50m

$1,286

SeoulWashington, D.C.

GMP - DCA

GMPDCA

Seoul Gimpo Intl

Fri 3/6

8:00 am-9:30 pm

2 stops27h 30m

Washington, D.C. Reagan-National

Mon 3/9

9:35 am-10:05 pm

2 stops47h 30m

$1,298

SeoulWashington, D.C.

GMP - DCA

GMPDCA

Seoul Gimpo Intl

Fri 3/6

8:00 am-5:27 pm

2 stops23h 27m

Washington, D.C. Reagan-National

Mon 3/9

5:00 pm-10:05 pm

2 stops40h 05m

$1,312

SeoulWashington, D.C.

GMP - DCA

GMPDCA

Seoul Gimpo Intl

Fri 3/6

8:00 am-9:30 pm

2 stops27h 30m

Washington, D.C. Reagan-National

Mon 3/9

5:00 pm-6:20 pm

2 stops36h 20m

$1,313

SeoulWashington, D.C.

GMP - DCA

GMPDCA

Seoul Gimpo Intl

Wed 2/11

12:05 pm-8:44 pm

2 stops22h 39m

Washington, D.C. Reagan-National

Mon 3/9

8:30 am-10:05 pm

2 stops24h 35m

$1,324

SeoulWashington, D.C.

GMP - DCA

GMPDCA

Seoul Gimpo Intl

Wed 2/11

12:05 pm-8:44 pm

2 stops22h 39m

Washington, D.C. Reagan-National

Mon 3/9

8:30 am-10:05 pm

2 stops24h 35m

$1,338

SeoulWashington, D.C.

GMP - DCA

GMPDCA

Seoul Gimpo Intl

Mon 3/30

7:55 am-10:29 pm

2 stops27h 34m

Washington, D.C. Reagan-National

Sun 5/10

6:00 am-6:00 pm

2 stops47h 00m

$1,382

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

20h 45m

Direct flights

None
The fastest flight from Seoul Gimpo Intl Airport to Washington, D.C. Reagan-National Airport takes 20h 45m
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 20h 45m 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
Tysons
Laurel
Colonial Beach
Silver Spring
Towson
Fredericksburg
Rockville
Gaithersburg
Manassas
Springfield
Fairfax
Linthicum Heights
Bethesda
Glen Burnie

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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