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Gimpo Intl

$537+ 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 12/2. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — GMP
nov. 16 — nov. 231
dom. 11/16
dom. 11/23
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 octubre 17, 2025.

This Mytrip deal was found by Cheapflights users on 10/14. 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.
jue. 11/1312:32 pmBWI - GMP
3 stops34h 33mMultiple Airlines
jue. 11/202:25 pmGMP - BWI
3 stops33h 11mMultiple Airlines
Deal found 10/14$1,132
This Orbitz deal was found by Cheapflights users on 10/15. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/26:00 amBWI - GMP
2 stops46h 20mJapan Airlines
mar. 1/277:40 pmGMP - BWI
2 stops36h 12mJapan Airlines
Deal found 10/15$1,157
This KAYAK deal was found by Cheapflights users on 10/15. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/176:00 amBWI - GMP
2 stops26h 05mJapan Airlines
mié. 11/268:00 amGMP - BWI
2 stops25h 07mJapan Airlines
Deal found 10/15$1,164
This Japan Airlines deal was found by Cheapflights users on 10/16. 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.
lun. 12/111:44 amBWI - GMP
2 stops33h 11mMultiple Airlines
lun. 12/87:40 pmGMP - BWI
2 stops35h 06mMultiple Airlines
Deal found 10/16$1,229
This Expedia deal was found by Cheapflights users on 10/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/136:00 amBWI - GMP
2 stops38h 55mJapan Airlines
jue. 11/207:40 pmGMP - BWI
2 stops34h 38mJapan Airlines
Deal found 10/14$1,301
This KAYAK deal was found by Cheapflights users on 10/15. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/226:00 amBWI - GMP
2 stops47h 00mJapan Airlines
mié. 10/298:00 amGMP - BWI
2 stops28h 48mJapan Airlines
Deal found 10/15$1,306
This KAYAK deal was found by Cheapflights users on 10/15. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/176:00 amBWI - GMP
2 stops26h 05mJapan Airlines
jue. 11/208:00 amGMP - BWI
2 stops25h 07mJapan Airlines
Deal found 10/15$1,308
This American Airlines deal was found by Cheapflights users on 10/16. 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.
mar. 11/46:02 amBWI - GMP
2 stops26h 03mMultiple Airlines
mar. 11/188:00 amGMP - BWI
2 stops20h 30mMultiple Airlines
Deal found 10/16$1,331
This Trip.com deal was found by Cheapflights users on 10/15. 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.
sáb. 10/189:59 amDCA - GMP
2 stops42h 26mMultiple Airlines
dom. 11/211:10 amGMP - DCA
2 stops46h 50mMultiple Airlines
Deal found 10/15$1,392
This Trip.com deal was found by Cheapflights users on 10/15. 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.
sáb. 10/188:53 amIAD - GMP
2 stops43h 32mMultiple Airlines
dom. 11/211:10 amGMP - IAD
2 stops33h 13mMultiple Airlines
Deal found 10/15$1,509
This Mytrip deal was found by Cheapflights users on 10/16. 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.
jue. 11/136:10 pmIAD - GMP
3 stops35h 40mMultiple Airlines
jue. 11/201:30 pmGMP - IAD
2 stops32h 50mMultiple Airlines
Deal found 10/16$1,532
This Gurufare deal was found by Cheapflights users on 10/15. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/1810:00 pmIAD - GMP
1 stop25h 05mAir China
jue. 12/112:25 pmGMP - IAD
2 stops30h 26mAir China
Deal found 10/15$1,580

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 octubre 17, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,132
(Mytrip)

One-way from

$537
(American Airlines)

Popular in

June

Cheapest in

January

Average price

$1,206
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 ($267 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($43 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 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 octubre 17, 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

lun. 11/17

6:00 am-10:05 pm

2 stops26h 05m

Seoul Gimpo Intl

mié. 11/26

8:00 am-7:07 pm

2 stops25h 07m

$1,164

BaltimoreSeoul

BWI - GMP

BWIGMP

Baltimore/Washington

jue. 11/13

12:32 pm-1:05 pm

3 stops34h 33m

Seoul Gimpo Intl

jue. 11/20

2:25 pm-9:36 am

3 stops33h 11m

$1,194

BaltimoreSeoul

BWI - GMP

BWIGMP

Baltimore/Washington

lun. 12/1

11:44 am-10:55 am

2 stops33h 11m

Seoul Gimpo Intl

lun. 12/8

7:40 pm-4:46 pm

2 stops35h 06m

$1,229

BaltimoreSeoul

BWI - GMP

BWIGMP

Baltimore/Washington

lun. 11/17

6:00 am-10:05 pm

2 stops26h 05m

Seoul Gimpo Intl

jue. 11/20

8:00 am-7:07 pm

2 stops25h 07m

$1,308

BaltimoreSeoul

BWI - GMP

BWIGMP

Baltimore/Washington

lun. 11/17

6:00 am-10:05 pm

2 stops26h 05m

Seoul Gimpo Intl

vie. 11/21

8:00 am-7:07 pm

2 stops25h 07m

$1,308

BaltimoreSeoul

BWI - GMP

BWIGMP

Baltimore/Washington

jue. 2/26

7:54 am-10:55 am

2 stops37h 01m

Seoul Gimpo Intl

lun. 3/2

12:05 pm-5:38 pm

2 stops43h 33m

$1,398

BaltimoreSeoul

BWI - GMP

BWIGMP

Baltimore/Washington

mar. 10/28

6:00 am-10:05 pm

2 stops27h 05m

Seoul Gimpo Intl

mar. 11/4

8:00 am-10:12 pm

2 stops28h 12m

$1,586

BaltimoreSeoul

BWI - GMP

BWIGMP

Baltimore/Washington

mar. 10/28

6:00 am-10:05 pm

2 stops27h 05m

Seoul Gimpo Intl

mié. 11/5

8:00 am-10:12 pm

2 stops28h 12m

$1,586

Washington, D.C.Seoul

IAD - GMP

IADGMP

Washington, D.C. Dulles Intl

jue. 1/8

1:05 pm-11:20 am

2 stops32h 15m

Seoul Gimpo Intl

mié. 2/11

7:50 pm-9:10 am

1 stop27h 20m

$1,610

BaltimoreSeoul

BWI - GMP

BWIGMP

Baltimore/Washington

dom. 11/2

7:07 am-1:05 pm

2 stops39h 58m

Seoul Gimpo Intl

vie. 11/7

2:25 pm-7:56 am

2 stops31h 31m

$1,647

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/15

Showing 1-10 of 60 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 October.
ProviderPrice AccuracyTrust Score*
AranGrantPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice 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 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 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 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 26h 05m. Your travel time can differ by up to 6h 10m. Airlines will cover a distance of 6924 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.

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