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Gimpo Intl

$441+ Cheap flights from Washington, D.C. (WAS) to Gimpo Intl (GMP)

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 12/8. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — GMP
Dec 6 — Dec 131
Sat 12/6
Sat 12/13
1 adult, Economy
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Find flight deals from Washington, D.C. to Gimpo Intl

Cheapest flights from Washington, D.C. to Gimpo Intl
Explore the most affordable flight options available from Washington, D.C. to Gimpo Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 6, 2025.

This Mytrip deal was found by Cheapflights users on 11/5. 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.
Sun 11/307:40 pmBWI - GMP
3 stops34h 10mMultiple Airlines
Sat 12/68:50 pmGMP - BWI
3 stops35h 50mMultiple Airlines
Deal found 11/5$1,204
This Mytrip deal was found by Cheapflights users on 11/6. 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.
Thu 12/47:40 pmIAD - GMP
3 stops34h 10mMultiple Airlines
Thu 12/118:50 pmGMP - IAD
3 stops35h 40mMultiple Airlines
Deal found 11/6$1,231
This Japan Airlines deal was found by Cheapflights users on 11/5. 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.
Sun 12/76:02 amBWI - GMP
2 stops26h 03mMultiple Airlines
Sun 1/257:40 pmGMP - BWI
2 stops36h 12mMultiple Airlines
Deal found 11/5$1,248
This Mytrip deal was found by Cheapflights users on 11/5. 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.
Sun 11/307:40 pmIAD - GMP
3 stops34h 10mMultiple Airlines
Sat 12/68:50 pmGMP - IAD
3 stops35h 40mMultiple Airlines
Deal found 11/5$1,293
This American Airlines deal was found by Cheapflights users on 11/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/176:02 amBWI - GMP
2 stops26h 03mMultiple Airlines
Sat 11/228:00 amGMP - BWI
2 stops20h 13mMultiple Airlines
Deal found 11/6$1,326
This American Airlines deal was found by Cheapflights users on 11/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/106:02 amBWI - GMP
2 stops26h 03mMultiple Airlines
Tue 11/188:00 amGMP - BWI
2 stops20h 30mMultiple Airlines
Deal found 11/6$1,426
This American Airlines deal was found by Cheapflights users on 11/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/76:02 amBWI - GMP
2 stops26h 03mMultiple Airlines
Thu 12/118:00 amGMP - BWI
2 stops20h 24mMultiple Airlines
Deal found 11/6$1,431
This Mytrip deal was found by Cheapflights users on 11/6. 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.
Sun 12/78:40 pmDCA - GMP
3 stops35h 25mMultiple Airlines
Wed 12/108:00 amGMP - DCA
3 stops28h 35mMultiple Airlines
Deal found 11/6$1,439
This Japan Airlines deal was found by Cheapflights users on 11/6. 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.
Sun 11/306:02 amBWI - GMP
2 stops26h 03mMultiple Airlines
Sun 12/148:00 amGMP - BWI
2 stops28h 54mMultiple Airlines
Deal found 11/6$1,440
This Japan Airlines deal was found by Cheapflights users on 11/5. 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 12/411:54 amBWI - GMP
2 stops33h 01mMultiple Airlines
Wed 12/178:00 amGMP - BWI
2 stops28h 13mMultiple Airlines
Deal found 11/5$1,515
This Mytrip deal was found by Cheapflights users on 11/6. 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.
Mon 12/19:00 amIAD - GMP
2 stops23h 05mMultiple Airlines
Wed 12/108:00 amGMP - IAD
2 stops26h 26mMultiple Airlines
Deal found 11/6$1,516
This Mytrip deal was found by Cheapflights users on 11/6. 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.
Sun 12/76:00 pmIAD - GMP
3 stops29h 05mMultiple Airlines
Fri 12/129:45 amGMP - IAD
2 stops22h 45mMultiple Airlines
Deal found 11/6$1,533

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

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) to Gimpo Intl (GMP). 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 November 6, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$1,192
(KAYAK)

One-way from

$441
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$1,268
Provider with most accurate pricing for Washington, D.C. (WAS)-Seoul Gimpo Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Seoul Gimpo Intl flights.
Search Deals
From Washington, D.C. (WAS) to Seoul Gimpo Intl
Search Deals
One-way flight from Washington, D.C. (WAS) to Seoul Gimpo Intl
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($262 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($42 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Gimpo Intl 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 November 6, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Seoul Gimpo Intl Airport that are best for you.

Fly from

Washington, D.C.

Fly to

Gimpo Intl

Route

Depart

Return

Price

BaltimoreSeoul

BWI - GMP

BWIGMP

Baltimore/Washington

Wed 1/21

6:00 am-10:05 pm

2 stops26h 05m

Seoul Gimpo Intl

Fri 2/27

8:00 am-9:47 pm

2 stops27h 47m

$1,192

BaltimoreSeoul

BWI - GMP

BWIGMP

Baltimore/Washington

Wed 1/21

6:00 am-10:05 pm

2 stops26h 05m

Seoul Gimpo Intl

Thu 2/26

8:00 am-9:47 pm

2 stops27h 47m

$1,192

BaltimoreSeoul

BWI - GMP

BWIGMP

Baltimore/Washington

Mon 1/19

6:00 am-10:05 pm

2 stops26h 05m

Seoul Gimpo Intl

Sat 2/21

8:00 am-9:47 pm

2 stops27h 47m

$1,220

BaltimoreSeoul

BWI - GMP

BWIGMP

Baltimore/Washington

Mon 1/19

6:00 am-10:05 pm

2 stops26h 05m

Seoul Gimpo Intl

Fri 2/27

8:00 am-9:47 pm

2 stops27h 47m

$1,220

BaltimoreSeoul

BWI - GMP

BWIGMP

Baltimore/Washington

Mon 1/19

6:00 am-10:05 pm

2 stops26h 05m

Seoul Gimpo Intl

Thu 2/26

8:00 am-9:47 pm

2 stops27h 47m

$1,220

BaltimoreSeoul

BWI - GMP

BWIGMP

Baltimore/Washington

Sun 11/30

6:02 am-10:05 pm

2 stops26h 03m

Seoul Gimpo Intl

Sun 12/14

8:00 am-10:54 pm

2 stops28h 54m

$1,440

BaltimoreSeoul

BWI - GMP

BWIGMP

Baltimore/Washington

Thu 12/4

11:54 am-10:55 am

2 stops33h 01m

Seoul Gimpo Intl

Wed 12/17

8:00 am-10:13 pm

2 stops28h 13m

$1,515

Washington, D.C.Seoul

IAD - GMP

IADGMP

Washington, D.C. Dulles Intl

Mon 11/17

5:30 pm-1:05 pm

3 stops29h 35m

Seoul Gimpo Intl

Sat 11/22

1:30 pm-8:20 am

2 stops32h 50m

$1,555

Washington, D.C.Seoul

DCA - GMP

DCAGMP

Washington, D.C. Reagan-National

Sun 12/7

8:40 pm-10:05 pm

3 stops35h 25m

Seoul Gimpo Intl

Fri 12/12

2:25 pm-8:55 am

3 stops32h 30m

$1,589

Washington, D.C.Seoul

IAD - GMP

IADGMP

Washington, D.C. Dulles Intl

Sat 11/15

5:30 pm-2:10 pm

3 stops30h 40m

Seoul Gimpo Intl

Fri 11/21

9:45 am-6:30 pm

2 stops22h 45m

$1,597

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/5

Showing 1-10 of 58 results
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Compare providers for flights from Washington, D.C. to Gimpo Intl

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 Washington, D.C. to Gimpo Intl in November.
ProviderPrice AccuracyTrust Score*
AranGrantPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*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 Washington, D.C.-Seoul Gimpo Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C.-Seoul Gimpo Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C.-Seoul Gimpo Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C.-Seoul Gimpo Intl Airport flights, Cheapflights users trust AranGrant the most. AranGrant 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 Washington, D.C.-Seoul Gimpo Intl Airport 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 Washington, D.C. to Gimpo Intl

Have a flexible travel schedule? Discover the best time to fly to Gimpo Intl from Washington, D.C. 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 Washington, D.C. to Seoul Gimpo Intl Airport
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 Washington, D.C. to Gimpo Intl. 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 Washington, D.C. to Seoul Gimpo Intl Airport?

    Japan Airlines and ANA can get you from Washington, D.C. to Seoul Gimpo Intl Airport in just under 21h 20m. Your travel time can differ by up to 4h 45m. Airlines will cover 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 Washington, D.C. to Seoul Gimpo Intl Airport?

    Most travelers choose Washington, D.C. Dulles Intl - Seoul Gimpo Intl, Washington, D.C. Reagan-National - Seoul Gimpo Intl or Baltimore/Washington - Seoul Gimpo Intl when deciding on the best route from Washington, D.C. to Seoul Gimpo Intl Airport.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Washington, D.C. to Gimpo Intl 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

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

See prices for flight routes from nearby airports that may be better suited for you.
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