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Cheap flights from Seoul Gimpo Intl Airport to Washington, D.C. from $627

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 5/14. 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.
Japan Airlines Logo
8:00 am - 10:15 pm
GMP
-
DCA
27h 15m
2 stops
Japan Airlines Logo
6:00 am - 9:15 pm
DCA
-
GMP
26h 15m
2 stops
$1,215Japan Airlines
Thu, Apr 9 - Mon, Apr 13
Japan Airlines Logo
12:05 pm - 10:29 pm
GMP
-
DCA
23h 24m
2 stops
Japan Airlines Logo
6:00 am - 9:15 pm
DCA
-
GMP
26h 15m
2 stops
$1,217Japan Airlines
Thu, Apr 2 - Mon, Apr 20
Japan Airlines Logo
7:15 pm - 4:45 pm
GMP
-
DCA
34h 30m
2 stops
Japan Airlines Logo
11:36 am - 9:15 pm
DCA
-
GMP
20h 39m
2 stops
$1,254Japan Airlines
Wed, Apr 22 - Sat, Apr 25
Japan Airlines Logo
8:00 am - 4:30 pm
GMP
-
DCA
21h 30m
2 stops
Japan Airlines Logo
6:00 am - 5:55 pm
DCA
-
GMP
22h 55m
2 stops
$1,297Japan Airlines
Tue, May 26 - Tue, Jun 16
Japan Airlines Logo
12:05 pm - 11:14 pm
GMP
-
DCA
24h 09m
2 stops
Japan Airlines Logo
11:35 am - 9:15 pm
DCA
-
GMP
20h 40m
2 stops
$1,300Japan Airlines
Mon, Jun 22 - Mon, Jul 13
Japan Airlines Logo
8:00 am - 11:14 pm
GMP
-
DCA
28h 14m
2 stops
Japan Airlines Logo
6:30 am - 9:15 pm
DCA
-
GMP
25h 45m
2 stops
$1,301Japan Airlines
Mon, Jun 22 - Mon, Jul 13
Japan Airlines Logo
8:00 am - 11:14 pm
GMP
-
DCA
28h 14m
2 stops
Japan Airlines Logo
10:13 am - 9:15 pm
DCA
-
GMP
22h 02m
2 stops
$1,307Japan Airlines
Mon, Jun 22 - Mon, Jul 13
Multiple Airlines Logo
8:00 am - 4:37 pm
GMP
-
DCA
21h 37m
2 stops
Multiple Airlines Logo
9:32 am - 9:15 pm
DCA
-
GMP
22h 43m
2 stops
$1,314Multiple Airlines
Thu, Apr 2 - Mon, Apr 20
Japan Airlines Logo
12:05 pm - 11:14 pm
GMP
-
DCA
24h 09m
2 stops
Japan Airlines Logo
7:17 pm - 9:15 pm
DCA
-
GMP
36h 58m
2 stops
$1,333Japan Airlines
Thu, Jun 11 - Mon, Aug 17
Japan Airlines Logo
12:05 pm - 11:14 pm
GMP
-
DCA
24h 09m
2 stops
Japan Airlines Logo
11:35 am - 9:15 pm
DCA
-
GMP
20h 40m
2 stops
$1,337Japan Airlines
Thu, Jun 18 - Tue, Jun 30

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 9
GMP8:00 amSeoul Gimpo Intl
27h 15m
2 stops
DCA10:15 pmWashington, D.C. Reagan-National
Apr 13
DCA6:00 amWashington, D.C. Reagan-National
26h 15m
2 stops
GMP9:15 pmSeoul Gimpo Intl
$1,215
Japan Airlines
Apr 2
GMP12:05 pmSeoul Gimpo Intl
23h 24m
2 stops
DCA10:29 pmWashington, D.C. Reagan-National
Apr 20
DCA6:00 amWashington, D.C. Reagan-National
26h 15m
2 stops
GMP9:15 pmSeoul Gimpo Intl
$1,217
Japan Airlines
Apr 22
GMP7:15 pmSeoul Gimpo Intl
34h 30m
2 stops
DCA4:45 pmWashington, D.C. Reagan-National
Apr 25
DCA11:36 amWashington, D.C. Reagan-National
20h 39m
2 stops
GMP9:15 pmSeoul Gimpo Intl
$1,254

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 12, 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

SeoulWashington, D.C.

GMP - DCA

GMPDCA

Seoul Gimpo Intl

Thu 4/9

8:00 am-10:15 pm

2 stops27h 15m

Washington, D.C. Reagan-National

Mon 4/13

6:00 am-9:15 pm

2 stops26h 15m

$1,215

SeoulWashington, D.C.

GMP - DCA

GMPDCA

Seoul Gimpo Intl

Thu 4/2

12:05 pm-10:29 pm

2 stops23h 24m

Washington, D.C. Reagan-National

Mon 4/20

6:00 am-9:15 pm

2 stops26h 15m

$1,217

SeoulWashington, D.C.

GMP - DCA

GMPDCA

Seoul Gimpo Intl

Wed 4/22

7:15 pm-4:45 pm

2 stops34h 30m

Washington, D.C. Reagan-National

Sat 4/25

11:36 am-9:15 pm

2 stops20h 39m

$1,254

SeoulWashington, D.C.

GMP - DCA

GMPDCA

Seoul Gimpo Intl

Tue 5/26

8:00 am-4:30 pm

2 stops21h 30m

Washington, D.C. Reagan-National

Tue 6/16

6:00 am-5:55 pm

2 stops22h 55m

$1,297

SeoulWashington, D.C.

GMP - DCA

GMPDCA

Seoul Gimpo Intl

Mon 6/22

12:05 pm-11:14 pm

2 stops24h 09m

Washington, D.C. Reagan-National

Mon 7/13

11:35 am-9:15 pm

2 stops20h 40m

$1,300

SeoulWashington, D.C.

GMP - DCA

GMPDCA

Seoul Gimpo Intl

Mon 6/22

8:00 am-11:14 pm

2 stops28h 14m

Washington, D.C. Reagan-National

Mon 7/13

6:30 am-9:15 pm

2 stops25h 45m

$1,301

SeoulWashington, D.C.

GMP - DCA

GMPDCA

Seoul Gimpo Intl

Mon 6/22

8:00 am-11:14 pm

2 stops28h 14m

Washington, D.C. Reagan-National

Mon 7/13

10:13 am-9:15 pm

2 stops22h 02m

$1,307
Quickest round-trip

SeoulWashington, D.C.

GMP - DCA

GMPDCA

Seoul Gimpo Intl

Thu 4/2

8:00 am-4:37 pm

2 stops21h 37m

Washington, D.C. Reagan-National

Mon 4/20

9:32 am-9:15 pm

2 stops22h 43m

$1,314

SeoulWashington, D.C.

GMP - DCA

GMPDCA

Seoul Gimpo Intl

Thu 6/11

12:05 pm-11:14 pm

2 stops24h 09m

Washington, D.C. Reagan-National

Mon 8/17

7:17 pm-9:15 pm

2 stops36h 58m

$1,333

SeoulWashington, D.C.

GMP - DCA

GMPDCA

Seoul Gimpo Intl

Thu 6/18

12:05 pm-11:14 pm

2 stops24h 09m

Washington, D.C. Reagan-National

Tue 6/30

11:35 am-9:15 pm

2 stops20h 40m

$1,337

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 52m

Direct flights

None
The fastest flight from Seoul Gimpo Intl Airport to Washington, D.C. Reagan-National Airport takes 20h 52m
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 52m 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
Colonial Beach
Laurel
Towson
Gaithersburg
Silver Spring
Fredericksburg
Rockville
Tysons
Manassas
Springfield
Bethesda
Fairfax
Linthicum Heights
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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