HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Washington, D.C.

$480+ Cheap flights from Gimpo Intl (GMP) to Washington, D.C. (WAS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/9. Fares are subject to change and may not be available on all flights or dates of travel.
GMP — WAS
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Gimpo Intl to Washington, D.C. with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Gimpo Intl to Washington, D.C.

Cheapest flights from Gimpo Intl to Washington, D.C.
Explore the most affordable flight options available from Gimpo Intl to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This Ovago deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/247:50 pm
GMP
-
IAD
1 stop27h 20m
ANA
Tue 3/311:10 am
IAD
-
GMP
1 stop21h 20m
ANA
Deal found 1/26$1,040
This WhyPayMore deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure WhyPayMore is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/117:50 pm
GMP
-
IAD
1 stop27h 20m
ANA
Mon 3/912:15 pm
IAD
-
GMP
1 stop21h 15m
ANA
Deal found 1/27$1,047
This Trip.com deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/17:50 pm
GMP
-
IAD
1 stop27h 20m
ANA
Thu 2/1211:10 am
IAD
-
GMP
1 stop34h 10m
ANA
Deal found 1/27$1,103
This Cheapflightsfares deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/217:55 pm
GMP
-
IAD
2 stops31h 13m
ANA
Fri 10/3012:15 pm
IAD
-
GMP
1 stop21h 15m
ANA
Deal found 1/27$1,158
This Cheapflightsfares deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/128:00 am
GMP
-
DCA
2 stops27h 30m
Japan Airlines
Sun 2/225:00 pm
DCA
-
GMP
2 stops35h 20m
Japan Airlines
Deal found 1/27$1,163
This Gotogate deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/17:50 pm
GMP
-
DCA
2 stops37h 23m
ANA
Fri 2/138:20 am
DCA
-
GMP
2 stops37h 00m
ANA
Deal found 1/27$1,164
This Trip.com deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/257:55 pm
GMP
-
IAD
1 stop27h 10m
ANA
Fri 10/912:15 pm
IAD
-
GMP
1 stop21h 05m
ANA
Deal found 1/27$1,183
This Mytrip deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/47:50 pm
GMP
-
DCA
2 stops31h 17m
ANA
Fri 3/62:00 pm
DCA
-
GMP
2 stops38h 35m
ANA
Deal found 1/27$1,226
This lastminute.com deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/197:50 pm
GMP
-
IAD
1 stop27h 20m
ANA
Wed 3/411:10 am
IAD
-
GMP
1 stop21h 20m
ANA
Deal found 1/28$1,269
This Ovago deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/1212:25 pm
GMP
-
IAD
1 stop34h 45m
ANA
Sun 2/2211:10 am
IAD
-
GMP
1 stop21h 20m
ANA
Deal found 1/27$1,311
This Japan Airlines deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/68:00 am
GMP
-
DCA
2 stops46h 41m
Japan Airlines
Mon 3/95:00 pm
DCA
-
GMP
2 stops40h 05m
Japan Airlines
Deal found 1/26$1,314
This Japan Airlines deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/1112:05 pm
GMP
-
DCA
2 stops22h 39m
Japan Airlines
Mon 3/97:30 am
DCA
-
GMP
2 stops25h 35m
Japan Airlines
Deal found 1/27$1,340

Find flight deals from Gimpo Intl to Washington, D.C.

Discover tips and strategies to find the most affordable flight options for your journey from Gimpo Intl (GMP) to Washington, D.C. (WAS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,040
(Ovago)

One-way from

$480
(Mytrip)

Popular in

August

Cheapest in

November

Average price

$1,499
Provider with most accurate pricing for Seoul (SEL)-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seoul (SEL)-Washington, D.C. (WAS) flights.
Search Deals
From Seoul Gimpo Intl to Washington, D.C. (WAS)
Search Deals
One-way flight from Seoul Gimpo Intl to Washington, D.C. (WAS)
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($260 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($72 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Gimpo Intl to Washington, D.C. 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, Cheapflights users made 2,558,603 searches. Data last updated January 29, 2026.
Use the filters below to find and compare flights from Seoul Gimpo Intl Airport to Washington, D.C. that are best for you.

Fly from

Gimpo Intl

Fly to

Washington, D.C.

Route

Depart

Return

Price

SeoulWashington, D.C.

GMP - IAD

GMPIAD

Seoul Gimpo Intl

Tue 2/24

7:50 pm-9:10 am

1 stop27h 20m

Washington, D.C. Dulles Intl

Tue 3/3

11:10 am-10:30 pm

1 stop21h 20m

$1,040

SeoulWashington, D.C.

GMP - IAD

GMPIAD

Seoul Gimpo Intl

Wed 2/11

7:50 pm-9:10 am

1 stop27h 20m

Washington, D.C. Dulles Intl

Mon 3/9

12:15 pm-10:30 pm

1 stop21h 15m

$1,047

SeoulWashington, D.C.

GMP - IAD

GMPIAD

Seoul Gimpo Intl

Sun 6/21

7:55 pm-2:08 pm

2 stops31h 13m

Washington, D.C. Dulles Intl

Fri 10/30

12:15 pm-10:30 pm

1 stop21h 15m

$1,158

SeoulWashington, D.C.

GMP - DCA

GMPDCA

Seoul Gimpo Intl

Thu 2/12

8:00 am-9:30 pm

2 stops27h 30m

Washington, D.C. Reagan-National

Sun 2/22

5:00 pm-6:20 pm

2 stops35h 20m

$1,163

SeoulWashington, D.C.

GMP - DCA

GMPDCA

Seoul Gimpo Intl

Wed 3/4

7:50 pm-1:07 pm

2 stops31h 17m

Washington, D.C. Reagan-National

Fri 3/6

2:00 pm-6:35 pm

2 stops38h 35m

$1,226

SeoulWashington, D.C.

GMP - IAD

GMPIAD

Seoul Gimpo Intl

Thu 2/19

7:50 pm-9:10 am

1 stop27h 20m

Washington, D.C. Dulles Intl

Wed 3/4

11:10 am-10:30 pm

1 stop21h 20m

$1,269

SeoulWashington, D.C.

GMP - DCA

GMPDCA

Seoul Gimpo Intl

Fri 3/6

8:00 am-4:41 pm

2 stops46h 41m

Washington, D.C. Reagan-National

Mon 3/9

5:00 pm-10:05 pm

2 stops40h 05m

$1,314

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

7:30 am-10:05 pm

2 stops25h 35m

$1,340

SeoulWashington, D.C.

GMP - DCA

GMPDCA

Seoul Gimpo Intl

Thu 4/9

7:55 am-10:17 pm

2 stops27h 22m

Washington, D.C. Reagan-National

Sun 4/12

5:30 pm-10:45 am

2 stops28h 15m

$1,365

SeoulBaltimore

GMP - BWI

GMPBWI

Seoul Gimpo Intl

Thu 2/19

8:00 am-2:30 pm

2 stops20h 30m

Baltimore/Washington

Wed 3/4

6:50 am-10:05 pm

2 stops25h 15m

$1,368

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

Showing 1-10 of 50 results
1
2
3
...
5

Best time to book a flight from Gimpo Intl to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Gimpo Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Seoul Gimpo Intl Airport to Washington, D.C.
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Gimpo Intl to Washington, D.C.. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Seoul Gimpo Intl Airport to Washington, D.C.?

    There are many flights that can get you from Seoul Gimpo Intl Airport to Washington, D.C. in 27h 20m. Fly via ANA or Japan Airlines to get the fastest option. Seoul Gimpo Intl Airport and Washington, D.C. are separated by a distance of 6925 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the most popular routes from Seoul Gimpo Intl Airport to Washington, D.C.?

    When deciding which route to take from Seoul Gimpo Intl Airport to Washington, D.C. consider Seoul Gimpo Intl - Washington, D.C. Dulles Intl, Seoul Gimpo Intl - Washington, D.C. Reagan-National or Seoul Gimpo Intl - Baltimore/Washington as they are the most popular.

  • Can I find deals for flights from Gimpo Intl to Washington, D.C. that include hotel bookings?

    Yes. In addition to deals on Gimpo Intl to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Gimpo Intl to Washington, D.C.?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Gimpo Intl to Washington, D.C..

  • Can I find deals for business class flights from Gimpo Intl to Washington, D.C.?

    Yes. Cheapflights offers flight deals from Gimpo Intl to Washington, D.C. by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
Woodbridge
Tysons
Arlington
Owings Mills
Springfield
Silver Spring
Herndon
Fredericksburg
Hanover
Linthicum Heights
Rockville
Laurel
Towson
Manassas
Largo
Bowie
McLean
Clinton
Upper Marlboro

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Gimpo Intl to Washington, D.C.

See prices for flight routes from nearby airports that may be better suited for you.
Incheon Intl to Dulles Intl flights
Incheon Intl to Reagan-National flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.