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Gimpo Intl

$426+ Cheap flights from District of Columbia 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 3/10. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — GMP
mars 5 — mars 121
jeu. 3/5
jeu. 3/12
1 adult, Economy
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Cheap flight deals from District of Columbia to Gimpo Intl

Cheapest flights from District of Columbia to Gimpo Intl
Explore the most affordable flight options available from District of Columbia to Gimpo Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on février 3, 2026.

This oojo deal was found by Cheapflights users on 2/1. 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.
mar. 3/1011:00 pm
IAD
-
GMP
1 stop25h 05m
Air China
mar. 3/178:40 am
GMP
-
IAD
1 stop23h 50m
Air China
Deal found 2/1$1,264
This oojo deal was found by Cheapflights users on 2/2. 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.
ven. 4/1011:00 pm
IAD
-
GMP
1 stop25h 05m
Air China
lun. 4/203:00 pm
GMP
-
IAD
1 stop41h 30m
Air China
Deal found 2/2$1,265
This oojo deal was found by Cheapflights users on 2/1. 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.
ven. 4/2411:00 pm
IAD
-
GMP
1 stop25h 05m
Air China
lun. 5/43:00 pm
GMP
-
IAD
1 stop41h 30m
Air China
Deal found 2/1$1,307
This Travelocity deal was found by Cheapflights users on 2/2. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/1411:00 pm
IAD
-
GMP
1 stop25h 05m
Multiple Airlines
mar. 4/287:40 am
GMP
-
IAD
2 stops25h 49m
Multiple Airlines
Deal found 2/2$1,358
This oojo deal was found by Cheapflights users on 2/2. 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.
ven. 4/1711:00 pm
IAD
-
GMP
1 stop25h 05m
Air China
lun. 4/273:00 pm
GMP
-
IAD
1 stop41h 30m
Air China
Deal found 2/2$1,451
This Gotogate deal was found by Cheapflights users on 2/2. 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.
mar. 3/1711:00 pm
IAD
-
GMP
1 stop25h 05m
Air China
jeu. 4/163:00 pm
GMP
-
IAD
1 stop41h 30m
Air China
Deal found 2/2$1,476
This oojo deal was found by Cheapflights users on 2/1. 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.
mar. 3/1011:00 pm
IAD
-
GMP
1 stop25h 05m
Air China
ven. 3/208:40 am
GMP
-
IAD
1 stop23h 50m
Air China
Deal found 2/1$1,477
This oojo deal was found by Cheapflights users on 2/1. 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.
mar. 3/1711:00 pm
IAD
-
GMP
1 stop25h 05m
Air China
ven. 3/278:40 am
GMP
-
IAD
1 stop23h 50m
Air China
Deal found 2/1$1,481
This Cheapflightsfares deal was found by Cheapflights users on 2/3. 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.
mar. 4/712:15 pm
IAD
-
GMP
1 stop21h 05m
ANA
mar. 7/77:55 pm
GMP
-
IAD
1 stop27h 10m
ANA
Deal found 2/3$1,506
This Cheapflightsfares deal was found by Cheapflights users on 2/3. 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.
mer. 4/83:30 pm
DCA
-
GMP
2 stops30h 35m
ANA
mer. 7/87:55 pm
GMP
-
DCA
2 stops31h 27m
ANA
Deal found 2/3$1,519
This Cheapflightsfares deal was found by Cheapflights users on 2/1. 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.
sam. 4/111:00 pm
DCA
-
GMP
2 stops33h 05m
ANA
dim. 4/197:55 pm
GMP
-
DCA
2 stops32h 43m
ANA
Deal found 2/1$1,564
This FlightHub deal was found by Cheapflights users on 2/1. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/209:59 am
DCA
-
GMP
2 stops22h 16m
Japan Airlines
ven. 10/3012:05 pm
GMP
-
DCA
2 stops22h 54m
Japan Airlines
Deal found 2/1$1,629

Find flight deals from District of Columbia to Gimpo Intl

Keep the following information in mind while searching for District of Columbia to Gimpo Intl flight deals. Data was last updated février 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,264
(oojo)

One-way from

$426
(oojo)

Popular in

December

Cheapest in

March

Average price

$1,219
Provider with most accurate pricing for Washington, D.C. (WAS)-Seoul (SEL) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Seoul (SEL) flights.
Search Deals
From District of Columbia to Seoul Gimpo Intl
Search Deals
One-way flight from District of Columbia to Seoul Gimpo Intl
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($101 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($64 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from District of Columbia 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 février 3, 2026.
Use the filters below to find and compare flights from District of Columbia to Seoul Gimpo Intl Airport that are best for you.

Fly from

District of Columbia

Fly to

Gimpo Intl

Route

Depart

Return

Price

Washington, D.C.Seoul

IAD - GMP

IADGMP

Washington, D.C. Dulles Intl

mar. 4/14

11:00 pm-1:05 pm

1 stop25h 05m

Seoul Gimpo Intl

mar. 4/28

7:40 am-8:29 pm

2 stops25h 49m

$1,358

Washington, D.C.Seoul

IAD - GMP

IADGMP

Washington, D.C. Dulles Intl

lun. 4/6

12:15 pm-10:20 pm

1 stop21h 05m

Seoul Gimpo Intl

lun. 4/20

7:55 pm-10:05 am

1 stop27h 10m

$1,506

Washington, D.C.Seoul

DCA - GMP

DCAGMP

Washington, D.C. Reagan-National

mer. 4/8

3:30 pm-11:05 am

2 stops30h 35m

Seoul Gimpo Intl

mer. 7/8

7:55 pm-2:22 pm

2 stops31h 27m

$1,519

Washington, D.C.Seoul

IAD - GMP

IADGMP

Washington, D.C. Dulles Intl

sam. 4/11

12:15 pm-10:20 pm

1 stop21h 05m

Seoul Gimpo Intl

mar. 4/28

7:40 am-3:40 pm

1 stop21h 00m

$1,551

Washington, D.C.Seoul

IAD - GMP

IADGMP

Washington, D.C. Dulles Intl

lun. 4/13

12:15 pm-10:20 pm

1 stop21h 05m

Seoul Gimpo Intl

mer. 4/22

7:55 pm-3:40 pm

1 stop32h 45m

$1,604

Washington, D.C.Seoul

IAD - GMP

IADGMP

Washington, D.C. Dulles Intl

lun. 4/20

12:15 pm-10:20 pm

1 stop21h 05m

Seoul Gimpo Intl

mer. 4/29

12:40 pm-10:05 am

1 stop34h 25m

$1,608

Washington, D.C.Seoul

IAD - GMP

IADGMP

Washington, D.C. Dulles Intl

mer. 3/4

11:10 am-10:30 pm

1 stop21h 20m

Seoul Gimpo Intl

mer. 3/11

7:50 pm-10:10 am

1 stop27h 20m

$1,608

Washington, D.C.Seoul

IAD - GMP

IADGMP

Washington, D.C. Dulles Intl

jeu. 4/16

12:15 pm-10:20 pm

1 stop21h 05m

Seoul Gimpo Intl

mer. 4/29

12:40 pm-10:05 am

1 stop34h 25m

$1,679

Washington, D.C.Seoul

IAD - GMP

IADGMP

Washington, D.C. Dulles Intl

lun. 4/13

12:15 pm-10:20 pm

1 stop21h 05m

Seoul Gimpo Intl

mer. 4/29

7:55 pm-10:05 am

1 stop27h 10m

$1,679

Washington, D.C.Seoul

IAD - GMP

IADGMP

Washington, D.C. Dulles Intl

lun. 4/13

12:15 pm-11:05 am

1 stop33h 50m

Seoul Gimpo Intl

dim. 4/26

7:55 pm-4:03 pm

2 stops33h 08m

$1,689

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/2

Showing 1-10 of 43 results
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Best time to book a flight from District of Columbia to Gimpo Intl

Have a flexible travel schedule? Discover the best time to fly to Gimpo Intl from District of Columbia 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 District of Columbia 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 District of Columbia 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 District of Columbia to Seoul Gimpo Intl Airport?

    Departing from District of Columbia to Seoul Gimpo Intl Airport will take you 21h 05m. Airlines will cover a distance of 6925 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from District of Columbia 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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