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 20m. Airlines will cover a distance of 6925 mi. Both multi-stop and nonstop flights can be found to your destination and back.

In terms of precipitation, rainfall in Seoul Gimpo Intl Airport ranges from 1.1 - 10.0 inches per month. July is typically the wettest month, when rainfall can reach 10.0 in. December is typically the driest time to visit Seoul Gimpo Intl Airport when rainfall is around 1.1 in.

If weather is an important factor for your trip to Seoul Gimpo Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

What is the cheapest time of day to fly from DC to GMP?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from District of Columbia to Seoul Gimpo Intl Airport as you normally would.

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.

$422+ Flights from District of Columbia to Seoul Gimpo Intl Airport

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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 dezembro 18, 2025.

ter 12/3011:10 amIAD - GMP

1 stop21h 20mANA

qui 1/157:50 pmGMP - IAD

1 stop27h 20mANA

Deal found 12/16

$2,005

ter 12/3011:10 amIAD - GMP

1 stop34h 10mANA

seg 1/1212:25 pmGMP - IAD

1 stop34h 45mANA

Deal found 12/16

$2,027

ter 12/3012:35 pmIAD - GMP

2 stops32h 45mANA

ter 1/137:50 pmGMP - IAD

1 stop27h 20mANA

Deal found 12/16

$2,031

ter 12/301:00 pmDCA - GMP

2 stops32h 20mANA

qua 1/147:50 pmGMP - DCA

2 stops30h 08mANA

Deal found 12/16

$2,041

ter 12/301:00 pmDCA - GMP

2 stops32h 20mANA

qui 1/157:45 amGMP - DCA

2 stops25h 28mANA

Deal found 12/16

$2,052

qua 12/311:00 pmIAD - GMP

2 stops32h 20mANA

qua 1/147:45 amGMP - IAD

2 stops27h 32mANA

Deal found 12/16

$2,052

ter 12/308:20 amIAD - GMP

2 stops24h 10mMultiple Airlines

sex 1/1612:25 pmGMP - IAD

1 stop34h 45mMultiple Airlines

Deal found 12/15

$2,082

ter 12/308:15 amIAD - GMP

2 stops24h 15mANA

sex 1/1612:25 pmGMP - IAD

1 stop34h 45mANA

Deal found 12/15

$2,091

seg 12/2911:10 amIAD - GMP

1 stop34h 10mANA

sex 1/1612:25 pmGMP - IAD

1 stop34h 45mANA

Deal found 12/15

$2,095

ter 12/302:07 pmDCA - GMP

2 stops38h 13mJapan Airlines

qua 1/1412:05 pmGMP - DCA

2 stops22h 39mJapan Airlines

Deal found 12/17

$2,146

seg 12/297:30 amDCA - GMP

2 stops45h 05mANA

qua 1/217:50 pmGMP - DCA

2 stops37h 23mANA

Deal found 12/18

$2,314

seg 12/291:00 pmDCA - GMP

2 stops32h 20mANA

qui 1/157:45 amGMP - DCA

2 stops25h 28mANA

Deal found 12/16

$2,332

Best flights from District of Columbia to Gimpo Intl
Discover carefully curated flight deals from District of Columbia to Gimpo Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated dezembro 18, 2025.

ter 3/1711:00 pmIAD - GMP

1 stop25h 05mAir China

sex 3/278:50 amGMP - IAD

1 stop23h 40mAir China

Deal found 12/17

$1,483

sex 1/309:40 amDCA - GMP

2 stops22h 25mMultiple Airlines

sex 2/68:00 amGMP - DCA

2 stops28h 35mMultiple Airlines

Deal found 12/16

$1,520

qua 3/411:10 amIAD - GMP

1 stop21h 20mANA

qua 6/37:40 amGMP - IAD

1 stop21h 10mANA

Deal found 12/17

$1,622

qui 1/156:30 amDCA - GMP

2 stops25h 35mJapan Airlines

qui 1/2212:05 pmGMP - DCA

2 stops22h 39mJapan Airlines

Deal found 12/15

$1,785

qua 4/89:40 amDCA - GMP

2 stops23h 40mMultiple Airlines

qua 7/88:10 amGMP - DCA

2 stops27h 21mMultiple Airlines

Deal found 12/17

$1,549

seg 1/1211:10 amIAD - GMP

1 stop21h 20mANA

seg 1/197:50 pmGMP - IAD

2 stops29h 56mANA

Deal found 12/15

$1,631

qua 1/142:00 pmDCA - GMP

2 stops31h 20mANA

qua 1/217:50 pmGMP - DCA

2 stops30h 08mANA

Deal found 12/16

$1,636

qua 3/411:10 amIAD - GMP

1 stop34h 10mMultiple Airlines

qua 6/37:55 pmGMP - IAD

2 stops23h 50mMultiple Airlines

Deal found 12/16

$1,682

qui 4/2312:15 pmIAD - GMP

1 stop21h 05mANA

qui 5/77:40 amGMP - IAD

1 stop21h 00mANA

Deal found 12/16

$1,649

dom 4/2610:05 pmIAD - GMP

2 stops24h 00mMultiple Airlines

sex 5/87:55 pmGMP - IAD

1 stop27h 10mMultiple Airlines

Deal found 12/15

$1,726

ter 4/2812:15 pmIAD - GMP

1 stop21h 05mANA

ter 5/197:40 amGMP - IAD

1 stop21h 00mANA

Deal found 12/16

$1,649

dom 2/16:30 amDCA - GMP

2 stops25h 35mMultiple Airlines

dom 2/812:05 pmGMP - DCA

2 stops22h 39mMultiple Airlines

Deal found 12/18

$1,775

seg 4/1312:15 pmIAD - GMP

1 stop21h 05mANA

qua 4/227:40 amGMP - IAD

1 stop21h 00mANA

Deal found 12/17

$1,649

seg 2/166:05 amDCA - GMP

2 stops26h 00mMultiple Airlines

qui 2/268:00 amGMP - DCA

2 stops22h 40mMultiple Airlines

Deal found 12/16

$1,779

dom 3/11:02 pmIAD - GMP

2 stops32h 18mANA

ter 3/317:40 amGMP - IAD

1 stop21h 00mANA

Deal found 12/17

$1,668

sex 2/277:00 amDCA - GMP

2 stops37h 55mMultiple Airlines

seg 3/912:05 pmGMP - DCA

2 stops23h 11mMultiple Airlines

Deal found 12/17

$1,782

qui 4/1612:15 pmIAD - GMP

1 stop21h 05mANA

ter 4/287:40 amGMP - IAD

1 stop21h 00mANA

Deal found 12/16

$1,677

ter 4/143:30 pmDCA - GMP

2 stops30h 35mANA

qua 4/2912:40 pmGMP - DCA

2 stops38h 34mANA

Deal found 12/16

$1,691

seg 4/133:30 pmDCA - GMP

2 stops30h 35mANA

seg 4/2712:40 pmGMP - DCA

2 stops38h 34mANA

Deal found 12/16

$1,691

qui 4/3012:15 pmIAD - GMP

1 stop33h 50mANA

sex 5/2212:40 pmGMP - IAD

1 stop34h 25mANA

Deal found 12/16

$1,722

sex 4/173:30 pmDCA - GMP

2 stops30h 35mANA

dom 4/2612:40 pmGMP - DCA

2 stops38h 34mANA

Deal found 12/16

$1,741

sáb 4/113:30 pmDCA - GMP

2 stops30h 35mANA

seg 4/277:55 pmGMP - DCA

2 stops32h 55mANA

Deal found 12/16

$1,741

Last-minute flights from District of Columbia to Gimpo Intl
Discover last-minute flight deals from District of Columbia to Gimpo Intl. Data last updated dezembro 18, 2025 and is based on user searches.

sex 1/910:00 pmIAD - GMP

1 stop25h 05mMultiple Airlines

dom 1/251:30 pmGMP - IAD

2 stops33h 35mMultiple Airlines

Deal found 12/16

$1,177

ter 1/1310:00 pmIAD - GMP

1 stop25h 05mAir China

ter 3/318:35 amGMP - IAD

1 stop23h 55mAir China

Deal found 12/17

$1,261

ter 1/1310:00 pmIAD - GMP

1 stop25h 05mAir China

ter 2/38:50 amGMP - IAD

1 stop23h 40mAir China

Deal found 12/17

$1,442

ter 1/1310:00 pmIAD - GMP

1 stop25h 05mAir China

ter 2/108:50 amGMP - IAD

1 stop23h 40mAir China

Deal found 12/17

$1,465

ter 1/1310:00 pmIAD - GMP

1 stop25h 05mAir China

ter 2/178:50 amGMP - IAD

1 stop23h 40mAir China

Deal found 12/17

$1,497

qui 1/159:59 amDCA - GMP

2 stops36h 51mMultiple Airlines

qua 1/288:15 pmGMP - DCA

2 stops37h 45mMultiple Airlines

Deal found 12/16

$1,271

qui 1/1512:00 pmIAD - GMP

2 stops35h 05mMultiple Airlines

sáb 1/311:30 pmGMP - IAD

2 stops33h 35mMultiple Airlines

Deal found 12/17

$1,504

ter 1/2010:00 pmIAD - GMP

1 stop25h 05mAir China

sex 1/302:25 pmGMP - IAD

1 stop18h 05mAir China

Deal found 12/16

$1,144

ter 1/209:40 amDCA - GMP

2 stops22h 55mMultiple Airlines

sex 1/308:00 amGMP - DCA

2 stops28h 35mMultiple Airlines

Deal found 12/16

$1,493

ter 1/209:00 amIAD - GMP

2 stops23h 35mMultiple Airlines

sex 1/302:25 pmGMP - IAD

1 stop18h 05mMultiple Airlines

Deal found 12/16

$1,495

ter 1/2710:00 pmIAD - GMP

1 stop25h 05mMultiple Airlines

qua 2/43:50 pmGMP - IAD

2 stops18h 39mMultiple Airlines

Deal found 12/16

$1,458

qua 1/289:00 amIAD - GMP

2 stops23h 35mMultiple Airlines

qua 2/48:00 amGMP - IAD

2 stops26h 29mMultiple Airlines

Deal found 12/16

$1,508

One-way flights from District of Columbia to Gimpo Intl
Search for one-way flight options from District of Columbia to Gimpo Intl. Find affordable one-way fares based on user searches. Data last updated dezembro 18, 2025.

sex 3/1311:00 pmIAD - GMP

1 stop25h 05mAir China

Deal found 12/16

$422

sex 1/910:00 pmIAD - GMP

1 stop25h 05mAir China

Deal found 12/16

$428

ter 4/2111:00 pmIAD - GMP

1 stop25h 05mAir China

Deal found 12/16

$447

seg 2/2310:20 amIAD - GMP

3 stops46h 15mMultiple Airlines

Deal found 12/17

$566

seg 2/236:00 pmDCA - GMP

3 stops38h 35mMultiple Airlines

Deal found 12/17

$577

seg 2/239:59 amDCA - GMP

2 stops43h 16mEVA Air

Deal found 12/15

$644

seg 2/236:27 pmIAD - GMP

2 stops34h 48mEVA Air

Deal found 12/15

$644

dom 1/259:59 amDCA - GMP

2 stops67h 16mEVA Air

Deal found 12/18

$661

sex 1/305:09 pmDCA - GMP

3 stops55h 01mMultiple Airlines

Deal found 12/16

$686

dom 4/269:59 amDCA - GMP

2 stops68h 16mEVA Air

Deal found 12/16

$692

qua 1/78:00 amDCA - GMP

3 stops43h 30mMultiple Airlines

Deal found 12/17

$693

sáb 1/319:59 amDCA - GMP

2 stops66h 01mEVA Air

Deal found 12/15

$700

Find flight deals from District of Columbia to Gimpo Intl

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$1,144 (Trip.com)
One-way from	$422 (oojo)
Popular in	December
Cheapest in	January
Average price	$2,169

Provider with most accurate pricing for Washington, D.C. (WAS)-Seoul (SEL) flight deals.

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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. 3% potential increase in price ($46 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($66 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Cheapflights Fare Finder

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

Fly to

Route

Depart

Return

Price

Washington, D.C.Seoul

IAD - GMP

IADGMP

Washington, D.C. Dulles Intl

ter 3/17

11:00 pm-1:05 pm

1 stop25h 05m

Seoul Gimpo Intl

sex 3/27

8:50 am-7:30 pm

1 stop23h 40m

$1,483

Washington, D.C.Seoul

DCA - GMP

DCAGMP

Washington, D.C. Reagan-National

sex 1/30

9:40 am-10:05 pm

2 stops22h 25m

Seoul Gimpo Intl

sex 2/6

8:00 am-10:35 pm

2 stops28h 35m

$1,520

Washington, D.C.Seoul

DCA - GMP

DCAGMP

Washington, D.C. Reagan-National

qua 4/8

9:40 am-10:20 pm

2 stops23h 40m

Seoul Gimpo Intl

qua 7/8

8:10 am-10:31 pm

2 stops27h 21m

$1,549

Washington, D.C.Seoul

IAD - GMP

IADGMP

Washington, D.C. Dulles Intl

qua 3/4

11:10 am-10:30 pm

1 stop21h 20m

Seoul Gimpo Intl

qua 6/3

7:40 am-3:50 pm

1 stop21h 10m

$1,622

Washington, D.C.Seoul

IAD - GMP

IADGMP

Washington, D.C. Dulles Intl

seg 1/12

11:10 am-10:30 pm

1 stop21h 20m

Seoul Gimpo Intl

seg 1/19

7:50 pm-11:46 am

2 stops29h 56m

$1,631

Washington, D.C.Seoul

DCA - GMP

DCAGMP

Washington, D.C. Reagan-National

qua 1/14

2:00 pm-11:20 am

2 stops31h 20m

Seoul Gimpo Intl

qua 1/21

7:50 pm-11:58 am

2 stops30h 08m

$1,636

Washington, D.C.Seoul

IAD - GMP

IADGMP

Washington, D.C. Dulles Intl

qui 4/23

12:15 pm-10:20 pm

1 stop21h 05m

Seoul Gimpo Intl

qui 5/7

7:40 am-3:40 pm

1 stop21h 00m

$1,649

Washington, D.C.Seoul

IAD - GMP

IADGMP

Washington, D.C. Dulles Intl

ter 4/28

12:15 pm-10:20 pm

1 stop21h 05m

Seoul Gimpo Intl

ter 5/19

7:40 am-3:40 pm

1 stop21h 00m

$1,649

Washington, D.C.Seoul

IAD - GMP

IADGMP

Washington, D.C. Dulles Intl

seg 4/13

12:15 pm-10:20 pm

1 stop21h 05m

Seoul Gimpo Intl

qua 4/22

7:40 am-3:40 pm

1 stop21h 00m

$1,649

Washington, D.C.Seoul

IAD - GMP

IADGMP

Washington, D.C. Dulles Intl

dom 3/1

1:02 pm-11:20 am

2 stops32h 18m

Seoul Gimpo Intl

ter 3/31

7:40 am-3:40 pm

1 stop21h 00m

$1,668

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 43 results

...

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

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 20m. 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

Browse thousands of different options on Cheapflights for your next trip

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$422+ 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 3/13. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap flight deals from District of Columbia to Gimpo Intl

Cheapest flights from District of Columbia to Gimpo IntlExplore 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 dezembro 18, 2025.

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 dezembro 18, 2025.

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 dezembro 18, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

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Use the filters below to find and compare flights from District of Columbia to Seoul Gimpo Intl Airport that are best for you.

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.

Cheapflights Insights

Everything you need to know about your flight from District of Columbia to Seoul Gimpo Intl Airport

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?

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

How can I 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?

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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 dezembro 18, 2025.