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Washington, D.C.

$464+ 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 2/28. Fares are subject to change and may not be available on all flights or dates of travel.
GMP — WAS
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
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Cheap 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 21, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$788
(oojo)

One-way from

$464
(Mytrip)
Provider with most accurate pricing for Seoul Gimpo Intl-Washington, D.C. (WAS) flight deals.
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Provider most trusted by Cheapflights users for Seoul Gimpo Intl-Washington, D.C. (WAS) flights.
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From Seoul Gimpo Intl to Washington, D.C. (WAS)
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One-way flight from Seoul Gimpo Intl to Washington, D.C. (WAS)
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Find 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 21, 2025.

This oojo deal was found by Cheapflights users on 1/20. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/142:25 pmGMP - IAD
1 stop37h 45mAir China
Sat 3/225:35 pmIAD - GMP
2 stops30h 30mAir China
Deal found 1/20$788
This Ovago deal was found by Cheapflights users on 1/20. 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.
Mon 2/177:50 amGMP - DCA
2 stops22h 36mJapan Airlines
Tue 2/186:59 amDCA - GMP
2 stops21h 21mJapan Airlines
Deal found 1/20$884
This WhyPayMore deal was found by Cheapflights users on 1/20. 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.
Mon 2/37:50 pmGMP - IAD
1 stop27h 20mANA
Mon 2/1011:05 amIAD - GMP
1 stop21h 25mANA
Deal found 1/20$885
This Cheapflightsfares deal was found by Cheapflights users on 1/20. 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.
Tue 1/287:50 pmGMP - DCA
2 stops30h 09mANA
Mon 2/32:05 pmDCA - GMP
2 stops31h 15mANA
Deal found 1/20$961
This Japan Airlines deal was found by Cheapflights users on 1/20. 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.
Mon 2/177:50 amGMP - BWI
2 stops20h 32mMultiple Airlines
Tue 2/187:34 amBWI - GMP
2 stops20h 46mMultiple Airlines
Deal found 1/20$1,329
This Japan Airlines deal was found by Cheapflights users on 1/20. 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.
Thu 5/17:20 pmGMP - IAD
2 stops49h 23mJapan Airlines
Wed 5/76:30 amIAD - GMP
2 stops26h 30mJapan Airlines
Deal found 1/20$1,339
This YBTour deal was found by Cheapflights users on 1/20. 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 YBTour is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/137:50 pmGMP - BWI
2 stops32h 03mANA
Sat 2/226:30 amBWI - GMP
2 stops26h 00mANA
Deal found 1/20$1,419
This Gotogate deal was found by Cheapflights users on 1/20. 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.
Fri 5/98:35 amGMP - IAD
3 stops41h 54mMultiple Airlines
Mon 5/1910:30 amIAD - GMP
2 stops22h 35mMultiple Airlines
Deal found 1/20$1,560
This Japan Airlines deal was found by Cheapflights users on 1/19. 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.
Tue 1/2112:05 pmGMP - DCA
2 stops21h 09mMultiple Airlines
Sun 2/26:00 amDCA - GMP
2 stops22h 20mMultiple Airlines
Deal found 1/19$2,850
This Cheapflightsfares deal was found by Cheapflights users on 1/21. 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.
Wed 6/257:55 amGMP - BWI
2 stops26h 31mJapan Airlines
Thu 7/37:51 amBWI - GMP
2 stops25h 09mJapan Airlines
Deal found 1/21$3,579
This oojo deal was found by Cheapflights users on 1/21. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/262:25 pmGMP - BWI
2 stops29h 21mAir China
Thu 7/35:50 pmBWI - GMP
2 stops30h 15mAir China
Deal found 1/21$4,969

Find flights from Gimpo Intl to Washington, D.C. within your budget

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 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

SeoulWashington, D.C.

GMP - IAD

GMPIAD

Seoul Gimpo Intl

Fri 3/14

2:25 pm-3:10 pm

1 stop37h 45m

Washington, D.C. Dulles Intl

Sat 3/22

5:35 pm-1:05 pm

2 stops30h 30m

$788

SeoulWashington, D.C.

GMP - DCA

GMPDCA

Seoul Gimpo Intl

Mon 2/17

7:50 am-4:26 pm

2 stops22h 36m

Washington, D.C. Reagan-National

Tue 2/18

6:59 am-6:20 pm

2 stops21h 21m

$884

SeoulWashington, D.C.

GMP - IAD

GMPIAD

Seoul Gimpo Intl

Mon 2/3

7:50 pm-9:10 am

1 stop27h 20m

Washington, D.C. Dulles Intl

Mon 2/10

11:05 am-10:30 pm

1 stop21h 25m

$885

SeoulWashington, D.C.

GMP - DCA

GMPDCA

Seoul Gimpo Intl

Wed 6/25

7:55 pm-1:42 pm

2 stops30h 47m

Washington, D.C. Reagan-National

Thu 7/3

2:45 pm-11:05 am

2 stops31h 20m

$989

SeoulBaltimore

GMP - BWI

GMPBWI

Seoul Gimpo Intl

Mon 2/17

7:50 am-2:22 pm

2 stops20h 32m

Baltimore/Washington

Tue 2/18

7:34 am-6:20 pm

2 stops20h 46m

$1,329

SeoulWashington, D.C.

GMP - IAD

GMPIAD

Seoul Gimpo Intl

Thu 5/1

7:20 pm-7:43 am

2 stops49h 23m

Washington, D.C. Dulles Intl

Wed 5/7

6:30 am-10:00 pm

2 stops26h 30m

$1,339

SeoulBaltimore

GMP - BWI

GMPBWI

Seoul Gimpo Intl

Thu 2/13

7:50 pm-1:53 pm

2 stops32h 03m

Baltimore/Washington

Sat 2/22

6:30 am-10:30 pm

2 stops26h 00m

$1,419

SeoulWashington, D.C.

GMP - IAD

GMPIAD

Seoul Gimpo Intl

Fri 5/9

8:35 am-1:29 pm

3 stops41h 54m

Washington, D.C. Dulles Intl

Mon 5/19

10:30 am-10:05 pm

2 stops22h 35m

$1,560

SeoulBaltimore

GMP - BWI

GMPBWI

Seoul Gimpo Intl

Wed 6/25

7:55 am-9:26 pm

2 stops26h 31m

Baltimore/Washington

Thu 7/3

7:51 am-10:00 pm

2 stops25h 09m

$3,579

SeoulBaltimore

GMP - BWI

GMPBWI

Seoul Gimpo Intl

Thu 6/26

2:25 pm-6:46 am

2 stops29h 21m

Baltimore/Washington

Thu 7/3

5:50 pm-1:05 pm

2 stops30h 15m

$4,969

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 20 results
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Compare providers for flights from Gimpo Intl to Washington, D.C.

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Gimpo Intl to Washington, D.C. in January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Seoul Gimpo Intl Airport-Washington, D.C. flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seoul Gimpo Intl Airport-Washington, D.C. flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seoul Gimpo Intl Airport-Washington, D.C. flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seoul Gimpo Intl Airport-Washington, D.C. flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seoul Gimpo Intl Airport-Washington, D.C. flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

Travel insights for flights from Gimpo Intl to Washington, D.C.

Get recent, data-driven insights about flights from Gimpo Intl to Washington, D.C. including ideal travel times, pricing trends, and more.

Rainfall in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. when rainfall is around 2.6 in.

Temperature in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C., use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Washington, D.C.

Get insights into the airlines that provide service to Washington, D.C.. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Washington, D.C.. Reviews last updated January 21, 2025.
See what other customers who have flown with ANA, Japan Airlines and Air China from Seoul to Washington, D.C. have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
ANA
8.4
Very good
852 reviews

Food

7.7

Entertainment

7.9

Boarding

8.6

Comfort

8.2

Crew

8.7

Overall

8.4

Reviews

1 / 10

Your hospitality was excellent, very polite and kind. The meal was tasty and good. The buns were cold. Who likes cold buns?

ANA
8.4
Very good
852 reviews
ANA
8.4
Very good
852 reviews

Food

7.7

Entertainment

7.9

Boarding

8.6

Comfort

8.2

Crew

8.7

Overall

8.4

Reviews

1 / 10

Your hospitality was excellent, very polite and kind. The meal was tasty and good. The buns were cold. Who likes cold buns?

Japan Airlines
8.3
Very good
1,449 reviews
ANA
8.4
Very good
852 reviews

Food

7.7

Entertainment

7.9

Boarding

8.6

Comfort

8.2

Crew

8.7

Overall

8.4

Reviews

1 / 10

Your hospitality was excellent, very polite and kind. The meal was tasty and good. The buns were cold. Who likes cold buns?

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.

  • What are the cheapest airlines to fly from Seoul Gimpo Intl Airport to Washington, D.C. one-way?

    To fly one-way, consider booking your trip with Air China, which is currently one of the cheapest options available, starting at $464. Japan Airlines flights start at $592 while deals on ANA start at $1,152 one-way.

  • 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.

  • What is the cheapest month to book a flight from Seoul Gimpo Intl Airport to Washington, D.C.?

    Currently, August is the cheapest month in which you can book a flight from Seoul Gimpo Intl Airport to Washington, D.C. (average of $241). Flying from Seoul Gimpo Intl Airport to Washington, D.C. in March is currently the most expensive (average of $290). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Seoul Gimpo Intl Airport?

Book flights to Seoul Gimpo Intl Airport if you plan to visit one of these locations
Fairfax
Arlington
Alexandria
Springfield
Silver Spring
Rockville
Tysons
Gaithersburg
Fredericksburg
Linthicum Heights
Laurel
Falls Church
Greenbelt
Easton
Oxon Hill
Herndon
Woodbridge
Bowie
Reston
National Harbor

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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
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