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Cheap flights from Seoul Gimpo Intl Airport to Washington, D.C. from $687

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 5/10. 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.
Japan Airlines Logo
8:00 am - 3:45 pm
GMP
-
DCA
20h 45m
2 stops
Japan Airlines Logo
6:30 am - 10:05 pm
DCA
-
GMP
25h 35m
2 stops
$1,282Japan Airlines
Thu, May 7 - Fri, Dec 4
Multiple Airlines Logo
12:05 pm - 10:59 pm
GMP
-
DCA
23h 54m
2 stops
Multiple Airlines Logo
11:36 am - 9:15 pm
DCA
-
GMP
20h 39m
2 stops
$1,293Multiple Airlines
Wed, Apr 8 - Wed, Apr 15
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
$1,389ANA
Mon, Jun 22 - Mon, Jul 13
Japan Airlines Logo
8:00 am - 11:14 pm
GMP
-
DCA
28h 14m
2 stops
Japan Airlines Logo
6:38 am - 10:05 pm
DCA
-
GMP
26h 27m
2 stops
$1,407Japan Airlines
Sun, Jun 21 - Fri, Oct 30
Japan Airlines Logo
8:00 am - 3:52 pm
GMP
-
DCA
20h 52m
2 stops
Japan Airlines Logo
11:36 am - 9:15 pm
DCA
-
GMP
20h 39m
2 stops
$1,436Japan Airlines
Thu, Apr 9 - Thu, Apr 16
Japan Airlines Logo
8:00 am - 4:37 pm
GMP
-
DCA
21h 37m
2 stops
Japan Airlines Logo
6:00 am - 9:15 pm
DCA
-
GMP
26h 15m
2 stops
$1,446Japan Airlines
Wed, Mar 25 - Fri, Apr 10
Japan Airlines Logo
12:05 pm - 8:00 am
GMP
-
DCA
32h 55m
2 stops
Japan Airlines Logo
10:13 am - 9:15 pm
DCA
-
GMP
22h 02m
2 stops
$1,449Japan 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
6:15 am - 9:15 pm
DCA
-
GMP
26h 00m
2 stops
$1,453Japan 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
6:58 pm - 10:40 am
DCA
-
GMP
26h 42m
2 stops
$1,455Japan Airlines
Mon, Jun 22 - Mon, Jul 13
Japan Airlines Logo
12:05 pm - 11:10 pm
GMP
-
DCA
24h 05m
2 stops
Japan Airlines Logo
11:35 am - 9:15 pm
DCA
-
GMP
20h 40m
2 stops
$1,492Japan Airlines
Fri, Jul 24 - Thu, Jul 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 10
GMP8:00 amSeoul Gimpo Intl
27h 00m
2 stops
DCA10:00 pmWashington, D.C. Reagan-National
Apr 17
DCA6:58 amWashington, D.C. Reagan-National
25h 17m
2 stops
GMP9:15 pmSeoul Gimpo Intl
$1,242
Japan Airlines
Apr 9
GMP7:15 pmSeoul Gimpo Intl
33h 30m
2 stops
DCA3:45 pmWashington, D.C. Reagan-National
Apr 17
DCA6:58 amWashington, D.C. Reagan-National
25h 17m
2 stops
GMP9:15 pmSeoul Gimpo Intl
$1,285
Japan Airlines
Mar 6
GMP12:05 pmSeoul Gimpo Intl
42h 36m
2 stops
DCA4:41 pmWashington, D.C. Reagan-National
Mar 9
DCA6:20 amWashington, D.C. Reagan-National
39h 35m
2 stops
GMP10:55 amSeoul Gimpo Intl
$1,326

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
Jun 22
GMP7:55 pmSeoul Gimpo Intl
31h 27m
2 stops
DCA2:22 pmWashington, D.C. Reagan-National
Jul 13
DCA3:30 pmWashington, D.C. Reagan-National
30h 35m
2 stops
GMP11:05 amSeoul Gimpo Intl
$1,389
ANA
Apr 20
GMP7:55 pmSeoul Gimpo Intl
31h 19m
2 stops
DCA2:14 pmWashington, D.C. Reagan-National
May 1
DCA3:30 pmWashington, D.C. Reagan-National
38h 05m
2 stops
GMP6:35 pmSeoul Gimpo Intl
$4,292
ANA
Apr 25
GMP12:40 pmSeoul Gimpo Intl
21h 26m
2 stops
DCA9:06 pmWashington, D.C. Reagan-National
May 6
DCA3:30 pmWashington, D.C. Reagan-National
30h 35m
2 stops
GMP11:05 amSeoul Gimpo Intl
$5,736

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 February 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

Thu 5/7

8:00 am-3:45 pm

2 stops20h 45m

Washington, D.C. Reagan-National

Fri 12/4

6:30 am-10:05 pm

2 stops25h 35m

$1,282

SeoulWashington, D.C.

GMP - DCA

GMPDCA

Seoul Gimpo Intl

Wed 4/8

12:05 pm-10:59 pm

2 stops23h 54m

Washington, D.C. Reagan-National

Wed 4/15

11:36 am-9:15 pm

2 stops20h 39m

$1,293

SeoulWashington, D.C.

GMP - DCA

GMPDCA

Seoul Gimpo Intl

Mon 6/22

7:55 pm-2:22 pm

2 stops31h 27m

Washington, D.C. Reagan-National

Mon 7/13

3:30 pm-11:05 am

2 stops30h 35m

$1,389

SeoulWashington, D.C.

GMP - DCA

GMPDCA

Seoul Gimpo Intl

Sun 6/21

8:00 am-11:14 pm

2 stops28h 14m

Washington, D.C. Reagan-National

Fri 10/30

6:38 am-10:05 pm

2 stops26h 27m

$1,407

SeoulWashington, D.C.

GMP - DCA

GMPDCA

Seoul Gimpo Intl

Thu 4/9

8:00 am-3:52 pm

2 stops20h 52m

Washington, D.C. Reagan-National

Thu 4/16

11:36 am-9:15 pm

2 stops20h 39m

$1,436

SeoulWashington, D.C.

GMP - DCA

GMPDCA

Seoul Gimpo Intl

Wed 3/25

8:00 am-4:37 pm

2 stops21h 37m

Washington, D.C. Reagan-National

Fri 4/10

6:00 am-9:15 pm

2 stops26h 15m

$1,446

SeoulWashington, D.C.

GMP - DCA

GMPDCA

Seoul Gimpo Intl

Mon 6/22

12:05 pm-8:00 am

2 stops32h 55m

Washington, D.C. Reagan-National

Mon 7/13

10:13 am-9:15 pm

2 stops22h 02m

$1,449

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

6:15 am-9:15 pm

2 stops26h 00m

$1,453

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

6:58 pm-10:40 am

2 stops26h 42m

$1,455

SeoulWashington, D.C.

GMP - DCA

GMPDCA

Seoul Gimpo Intl

Fri 7/24

12:05 pm-11:10 pm

2 stops24h 05m

Washington, D.C. Reagan-National

Thu 7/30

11:35 am-9:15 pm

2 stops20h 40m

$1,492

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 and EVA Air are the most popular carriers 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
Colonial Beach
Laurel
Towson
Silver Spring
Gaithersburg
Tysons
Fredericksburg
Rockville
Manassas
Springfield
Fairfax
Bethesda
Linthicum Heights
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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