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$552+ Cheap flights from Gimpo Intl (GMP) to District of Columbia

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 10/22. Fares are subject to change and may not be available on all flights or dates of travel.
GMP — IAD
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap flight deals from Gimpo Intl to District of Columbia

Keep the following information in mind while searching for Gimpo Intl to District of Columbia flight deals. Data was last updated September 15, 2025.

Round-trip from

$1,052
(WhyPayMore)

One-way from

$552
(Mytrip)

Popular in

August

Cheapest in

February

Average price

$871
From Seoul Gimpo Intl to District of Columbia
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One-way flight from Seoul Gimpo Intl to District of Columbia
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Highest demand for flights based on searches. 17% potential increase in price ($226 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($75 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Gimpo Intl to District of Columbia

Cheapest flights from Gimpo Intl to District of Columbia
Explore the most affordable flight options available from Gimpo Intl to District of Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This WhyPayMore deal was found by Cheapflights users on 9/14. 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 WhyPayMore is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/1512:25 pmGMP - IAD
1 stop34h 45mANA
Fri 2/2711:05 amIAD - GMP
1 stop21h 25mANA
Deal found 9/14$1,052
This YBTour deal was found by Cheapflights users on 9/13. 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.
Wed 10/297:50 pmGMP - DCA
2 stops31h 20mANA
Wed 11/57:30 amDCA - GMP
2 stops37h 50mANA
Deal found 9/13$1,091
This WhyPayMore deal was found by Cheapflights users on 9/14. 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 WhyPayMore is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/277:55 pmGMP - IAD
1 stop27h 10mANA
Fri 12/511:05 amIAD - GMP
1 stop34h 15mANA
Deal found 9/14$1,104
This Trip.com deal was found by Cheapflights users on 9/13. 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.
Wed 11/197:50 pmGMP - IAD
1 stop27h 20mANA
Fri 12/511:05 amIAD - GMP
1 stop21h 25mANA
Deal found 9/13$1,109
This Trip.com deal was found by Cheapflights users on 9/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/207:50 pmGMP - IAD
1 stop27h 20mANA
Thu 12/411:05 amIAD - GMP
1 stop21h 25mANA
Deal found 9/14$1,112
This Expedia deal was found by Cheapflights users on 9/14. 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.
Wed 10/297:50 pmGMP - IAD
2 stops33h 05mANA
Wed 11/511:05 amIAD - GMP
1 stop21h 25mANA
Deal found 9/14$1,161
This Trip.com deal was found by Cheapflights users on 9/13. 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.
Wed 10/87:55 pmGMP - IAD
1 stop27h 10mANA
Sun 10/2612:10 pmIAD - GMP
1 stop21h 20mANA
Deal found 9/13$1,169
This Cheapflightsfares deal was found by Cheapflights users on 9/12. 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.
Mon 10/278:00 amGMP - DCA
2 stops36h 50mJapan Airlines
Fri 11/146:10 amDCA - GMP
2 stops25h 55mJapan Airlines
Deal found 9/12$1,226
This Trip.com deal was found by Cheapflights users on 9/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/217:50 pmGMP - IAD
1 stop27h 20mANA
Thu 12/411:05 amIAD - GMP
1 stop21h 25mANA
Deal found 9/14$1,236
This Japan Airlines deal was found by Cheapflights users on 9/15. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/107:55 amGMP - DCA
2 stops28h 02mJapan Airlines
Sat 10/187:06 pmDCA - GMP
2 stops37h 44mJapan Airlines
Deal found 9/15$1,249
This Japan Airlines deal was found by Cheapflights users on 9/15. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/107:55 amGMP - DCA
2 stops28h 02mJapan Airlines
Mon 10/136:38 amDCA - GMP
2 stops50h 12mJapan Airlines
Deal found 9/15$1,266
This Japan Airlines deal was found by Cheapflights users on 9/14. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/177:55 amGMP - DCA
2 stops21h 34mMultiple Airlines
Wed 10/2210:45 pmDCA - GMP
2 stops23h 00mMultiple Airlines
Deal found 9/14$1,267

Cheapflights Fare Finder

 
Customize your flight search to find flights from Gimpo Intl to District of Columbia 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 September 15, 2025.
Use the filters below to find and compare flights from Seoul Gimpo Intl Airport to District of Columbia that are best for you.

Fly from

Gimpo Intl

Fly to

District of Columbia

Route

Depart

Return

Price

SeoulWashington, D.C.

GMP - IAD

GMPIAD

Seoul Gimpo Intl

Mon 12/15

12:25 pm-9:10 am

1 stop34h 45m

Washington, D.C. Dulles Intl

Fri 2/27

11:05 am-10:30 pm

1 stop21h 25m

$1,052

SeoulWashington, D.C.

GMP - DCA

GMPDCA

Seoul Gimpo Intl

Wed 10/29

7:50 pm-2:10 pm

2 stops31h 20m

Washington, D.C. Reagan-National

Wed 11/5

7:30 am-11:20 am

2 stops37h 50m

$1,091

SeoulWashington, D.C.

GMP - IAD

GMPIAD

Seoul Gimpo Intl

Sat 9/27

7:55 pm-10:05 am

1 stop27h 10m

Washington, D.C. Dulles Intl

Fri 12/5

11:05 am-10:30 pm

1 stop21h 25m

$1,105

SeoulWashington, D.C.

GMP - IAD

GMPIAD

Seoul Gimpo Intl

Wed 11/19

7:50 pm-9:10 am

1 stop27h 20m

Washington, D.C. Dulles Intl

Fri 12/5

11:05 am-10:30 pm

1 stop21h 25m

$1,109

SeoulWashington, D.C.

GMP - DCA

GMPDCA

Seoul Gimpo Intl

Thu 2/5

12:25 pm-1:13 pm

2 stops38h 48m

Washington, D.C. Reagan-National

Sun 2/8

2:00 pm-10:30 pm

2 stops42h 30m

$1,137

SeoulWashington, D.C.

GMP - IAD

GMPIAD

Seoul Gimpo Intl

Fri 2/13

12:25 pm-9:10 am

1 stop34h 45m

Washington, D.C. Dulles Intl

Fri 3/6

1:05 pm-11:20 am

2 stops32h 15m

$1,139

SeoulWashington, D.C.

GMP - IAD

GMPIAD

Seoul Gimpo Intl

Mon 3/9

12:25 pm-4:01 pm

2 stops40h 36m

Washington, D.C. Dulles Intl

Wed 3/11

12:10 pm-11:20 am

1 stop34h 10m

$1,156

SeoulWashington, D.C.

GMP - IAD

GMPIAD

Seoul Gimpo Intl

Wed 10/29

7:50 pm-3:55 pm

2 stops33h 05m

Washington, D.C. Dulles Intl

Wed 11/5

11:05 am-10:30 pm

1 stop21h 25m

$1,161

SeoulWashington, D.C.

GMP - IAD

GMPIAD

Seoul Gimpo Intl

Wed 10/8

7:55 pm-10:05 am

1 stop27h 10m

Washington, D.C. Dulles Intl

Sun 10/26

12:10 pm-10:30 pm

1 stop21h 20m

$1,169

SeoulWashington, D.C.

GMP - DCA

GMPDCA

Seoul Gimpo Intl

Fri 10/10

7:55 am-10:57 pm

2 stops28h 02m

Washington, D.C. Reagan-National

Sun 10/19

6:38 am-9:50 pm

2 stops26h 12m

$1,249

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/12

Showing 1-10 of 33 results
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Best time to book a flight from Gimpo Intl to District of Columbia

Have a flexible travel schedule? Discover the best time to fly to District of Columbia 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 District of Columbia
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 District of Columbia. 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 District of Columbia?

    A quick flight from Seoul Gimpo Intl Airport to District of Columbia can take about 28h 02m. ANA provides one of the quickest options available for as low as $1,249. There are 6939 mi between Seoul Gimpo Intl Airport and District of Columbia. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from Gimpo Intl to District of Columbia that include hotel bookings?

    Yes. In addition to deals on Gimpo Intl to District of Columbia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Gimpo Intl to District of Columbia?

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

  • Can I find deals for business class flights from Gimpo Intl to District of Columbia?

    Yes. Cheapflights offers flight deals from Gimpo Intl to District of Columbia 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 District of Columbia?

    Currently, August is the cheapest month in which you can book a flight from Seoul Gimpo Intl Airport to District of Columbia (average of $292). Flying from Seoul Gimpo Intl Airport to District of Columbia in April is currently the most expensive (average of $337). 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.

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