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 25h 05m. 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.

$613+ Flights from District of Columbia to Seoul Gimpo Intl Airport

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Cheap flight deals from District of Columbia to Gimpo Intl

Round-trip from	$1,021 (FlightHub)
One-way from	$613 (Kiwi.com)
Popular in	June
Cheapest in	January
Average price	$1,293

From District of Columbia to Seoul Gimpo Intl

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One-way flight from District of Columbia to Seoul Gimpo Intl

Search Deals

Highest demand for flights based on searches. 16% potential increase in price ($266 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($43 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 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 September 16, 2025.

Mon 11/1712:11 pmIAD - GMP

2 stops32h 49mChina Eastern

Mon 11/248:50 pmGMP - IAD

2 stops36h 18mChina Eastern

Deal found 9/13

$1,021

Wed 11/56:05 amDCA - GMP

2 stops38h 55mChina Eastern

Mon 11/108:50 pmGMP - DCA

2 stops35h 10mChina Eastern

Deal found 9/13

$1,050

Tue 10/216:25 amIAD - GMP

2 stops26h 25mMultiple Airlines

Mon 10/278:00 amGMP - IAD

2 stops35h 23mMultiple Airlines

Deal found 9/14

$1,205

Wed 11/1912:11 pmIAD - GMP

2 stops41h 39mChina Eastern

Mon 11/248:50 pmGMP - IAD

2 stops36h 18mChina Eastern

Deal found 9/14

$1,251

Mon 10/205:45 pmIAD - GMP

3 stops30h 20mMultiple Airlines

Sat 10/252:25 pmGMP - IAD

3 stops35h 20mMultiple Airlines

Deal found 9/15

$1,271

Tue 11/410:00 pmIAD - GMP

1 stop25h 05mAir China

Thu 11/132:25 pmGMP - IAD

2 stops30h 23mAir China

Deal found 9/16

$1,378

Sun 10/266:24 amIAD - GMP

2 stops41h 41mAir China

Fri 10/312:25 pmGMP - IAD

2 stops29h 23mAir China

Deal found 9/15

$1,423

Tue 10/2811:00 pmIAD - GMP

1 stop25h 05mAir China

Tue 11/48:35 amGMP - IAD

1 stop23h 55mAir China

Deal found 9/13

$1,465

Fri 10/315:59 pmIAD - GMP

2 stops30h 06mAir China

Fri 11/72:25 pmGMP - IAD

2 stops30h 56mAir China

Deal found 9/16

$1,471

Tue 11/410:00 pmIAD - GMP

1 stop25h 05mAir China

Tue 11/118:35 amGMP - IAD

1 stop23h 55mAir China

Deal found 9/13

$1,479

Tue 10/218:00 amDCA - GMP

2 stops24h 50mMultiple Airlines

Mon 10/278:00 amGMP - DCA

2 stops26h 59mMultiple Airlines

Deal found 9/14

$1,495

Fri 11/1410:00 pmIAD - GMP

1 stop25h 05mAir China

Tue 11/258:35 amGMP - IAD

1 stop23h 55mAir China

Deal found 9/16

$1,508

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 September 16, 2025.

Mon 11/312:09 pmIAD - GMP

2 stops32h 51mChina Eastern

Mon 11/108:50 pmGMP - IAD

2 stops36h 18mChina Eastern

Deal found 9/13

$1,021

Tue 11/1810:00 pmIAD - GMP

1 stop25h 05mAir China

Tue 11/258:35 amGMP - IAD

1 stop23h 55mAir China

Deal found 9/13

$1,465

Tue 2/39:40 amDCA - GMP

2 stops22h 50mMultiple Airlines

Thu 2/128:00 amGMP - DCA

2 stops22h 26mMultiple Airlines

Deal found 9/14

$1,602

Wed 3/111:05 pmIAD - GMP

2 stops33h 15mANA

Wed 4/87:55 pmGMP - IAD

1 stop27h 10mANA

Deal found 9/15

$1,611

Tue 2/106:59 amDCA - GMP

2 stops25h 06mJapan Airlines

Wed 2/1812:05 pmGMP - DCA

2 stops38h 45mJapan Airlines

Deal found 9/16

$1,851

Wed 11/56:05 amDCA - GMP

2 stops38h 55mChina Eastern

Mon 11/108:50 pmGMP - DCA

2 stops35h 10mChina Eastern

Deal found 9/13

$1,050

Mon 11/36:05 amDCA - GMP

2 stops38h 55mChina Eastern

Mon 11/108:50 pmGMP - DCA

2 stops35h 10mChina Eastern

Deal found 9/13

$1,050

Mon 11/1711:10 amDCA - GMP

2 stops33h 50mChina Eastern

Mon 11/248:50 pmGMP - DCA

2 stops35h 10mChina Eastern

Deal found 9/13

$1,050

Mon 11/1011:10 amDCA - GMP

2 stops33h 50mChina Eastern

Mon 11/178:50 pmGMP - DCA

2 stops35h 10mChina Eastern

Deal found 9/13

$1,050

Mon 2/211:05 amIAD - GMP

1 stop21h 25mANA

Mon 2/97:50 pmGMP - IAD

1 stop27h 20mANA

Deal found 9/14

$1,651

Mon 10/2712:10 pmIAD - GMP

1 stop34h 10mMultiple Airlines

Mon 11/107:45 amGMP - IAD

2 stops22h 37mMultiple Airlines

Deal found 9/14

$1,683

Fri 2/2711:05 amIAD - GMP

1 stop21h 25mANA

Sun 3/87:50 pmGMP - IAD

1 stop27h 20mANA

Deal found 9/14

$1,651

Tue 11/256:00 pmIAD - GMP

3 stops29h 05mMultiple Airlines

Sat 11/291:45 pmGMP - IAD

2 stops32h 35mMultiple Airlines

Deal found 9/15

$1,695

Thu 3/1212:10 pmIAD - GMP

1 stop21h 20mANA

Wed 4/112:40 pmGMP - IAD

1 stop34h 25mANA

Deal found 9/16

$1,674

Wed 10/299:21 amDCA - GMP

2 stops23h 44mMultiple Airlines

Wed 11/58:00 amGMP - DCA

2 stops21h 55mMultiple Airlines

Deal found 9/14

$1,760

Tue 2/311:05 amIAD - GMP

1 stop21h 25mANA

Thu 2/127:45 amGMP - IAD

1 stop21h 55mANA

Deal found 9/15

$1,674

Tue 10/146:38 amDCA - GMP

2 stops26h 12mMultiple Airlines

Tue 10/217:55 amGMP - DCA

2 stops21h 31mMultiple Airlines

Deal found 9/16

$1,834

Wed 10/293:30 pmDCA - GMP

2 stops30h 50mANA

Wed 11/57:50 pmGMP - DCA

2 stops30h 08mANA

Deal found 9/14

$1,679

Mon 10/276:59 amDCA - GMP

2 stops26h 06mMultiple Airlines

Mon 11/108:00 amGMP - DCA

2 stops21h 50mMultiple Airlines

Deal found 9/14

$1,865

Sun 3/1512:10 pmIAD - GMP

1 stop21h 20mANA

Mon 3/237:50 pmGMP - IAD

1 stop27h 20mANA

Deal found 9/14

$1,701

Fri 2/67:20 amDCA - GMP

2 stops24h 45mMultiple Airlines

Sun 2/158:00 amGMP - DCA

2 stops22h 26mMultiple Airlines

Deal found 9/16

$1,871

Wed 11/1211:05 amIAD - GMP

1 stop21h 25mANA

Wed 11/197:50 pmGMP - IAD

1 stop27h 20mANA

Deal found 9/15

$1,713

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 September 16, 2025 and is based on user searches.

Mon 10/136:00 amDCA - GMP

3 stops27h 25mMultiple Airlines

Mon 10/207:55 amGMP - DCA

2 stops26h 56mMultiple Airlines

Deal found 9/15

$1,584

Mon 10/136:00 amDCA - GMP

3 stops26h 50mMultiple Airlines

Thu 10/308:00 amGMP - DCA

2 stops27h 35mMultiple Airlines

Deal found 9/16

$1,635

Wed 10/156:59 amDCA - GMP

3 stops26h 26mMultiple Airlines

Wed 10/221:05 pmGMP - DCA

2 stops22h 29mMultiple Airlines

Deal found 9/15

$1,547

Mon 10/205:45 pmIAD - GMP

3 stops30h 20mMultiple Airlines

Sat 10/252:25 pmGMP - IAD

3 stops35h 20mMultiple Airlines

Deal found 9/15

$1,271

Tue 10/216:25 amIAD - GMP

2 stops26h 25mMultiple Airlines

Mon 10/278:00 amGMP - IAD

2 stops35h 23mMultiple Airlines

Deal found 9/14

$1,205

Tue 10/218:00 amDCA - GMP

2 stops24h 50mMultiple Airlines

Mon 10/278:00 amGMP - DCA

2 stops26h 59mMultiple Airlines

Deal found 9/14

$1,495

Fri 10/2411:00 pmIAD - GMP

1 stop25h 05mAir China

Fri 10/318:35 amGMP - IAD

1 stop23h 55mAir China

Deal found 9/13

$1,651

Sun 10/266:24 amIAD - GMP

2 stops41h 41mAir China

Fri 10/312:25 pmGMP - IAD

2 stops29h 23mAir China

Deal found 9/15

$1,423

Tue 10/2811:00 pmIAD - GMP

1 stop25h 05mAir China

Tue 11/48:35 amGMP - IAD

1 stop23h 55mAir China

Deal found 9/13

$1,465

Wed 10/296:00 amDCA - GMP

3 stops26h 55mMultiple Airlines

Wed 11/58:20 amGMP - DCA

3 stops28h 15mMultiple Airlines

Deal found 9/14

$1,644

Fri 10/315:59 pmIAD - GMP

2 stops30h 06mAir China

Fri 11/72:25 pmGMP - IAD

2 stops30h 56mAir China

Deal found 9/16

$1,471

Fri 10/3111:00 pmIAD - GMP

1 stop25h 05mAir China

Fri 12/58:35 amGMP - IAD

1 stop23h 55mAir China

Deal found 9/15

$1,618

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 September 16, 2025.

Mon 9/298:59 amDCA - GMP

3 stops59h 36mMultiple Airlines

Deal found 9/15

$613

Tue 10/146:59 pmDCA - GMP

3 stops57h 06mMultiple Airlines

Deal found 9/16

$625

Mon 9/299:00 amIAD - GMP

3 stops43h 40mMultiple Airlines

Deal found 9/15

$637

Mon 9/221:30 pmIAD - GMP

3 stops54h 35mMultiple Airlines

Deal found 9/14

$641

Sun 10/1910:20 pmIAD - GMP

3 stops49h 05mMultiple Airlines

Deal found 9/14

$657

Fri 10/2410:20 pmIAD - GMP

3 stops49h 05mMultiple Airlines

Deal found 9/15

$666

Sun 9/219:00 amIAD - GMP

3 stops45h 45mMultiple Airlines

Deal found 9/14

$673

Wed 10/2210:20 pmIAD - GMP

3 stops49h 05mMultiple Airlines

Deal found 9/16

$681

Thu 10/236:15 amIAD - GMP

3 stops51h 10mMultiple Airlines

Deal found 9/15

$684

Sat 10/2510:20 pmIAD - GMP

3 stops49h 45mMultiple Airlines

Deal found 9/16

$695

Sat 11/16:00 pmDCA - GMP

3 stops54h 05mMultiple Airlines

Deal found 9/14

$701

Sat 11/16:13 pmIAD - GMP

3 stops53h 47mMultiple Airlines

Deal found 9/14

$712

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

Mon 11/3

12:09 pm-11:00 am

2 stops32h 51m

Seoul Gimpo Intl

Mon 11/10

8:50 pm-7:08 pm

2 stops36h 18m

$1,021

Washington, D.C.Seoul

DCA - GMP

DCAGMP

Washington, D.C. Reagan-National

Wed 11/5

6:05 am-11:00 am

2 stops38h 55m

Seoul Gimpo Intl

Mon 11/10

8:50 pm-6:00 pm

2 stops35h 10m

$1,050

Washington, D.C.Seoul

DCA - GMP

DCAGMP

Washington, D.C. Reagan-National

Mon 11/3

6:05 am-11:00 am

2 stops38h 55m

Seoul Gimpo Intl

Mon 11/10

8:50 pm-6:00 pm

2 stops35h 10m

$1,050

Washington, D.C.Seoul

DCA - GMP

DCAGMP

Washington, D.C. Reagan-National

Mon 11/17

11:10 am-11:00 am

2 stops33h 50m

Seoul Gimpo Intl

Mon 11/24

8:50 pm-6:00 pm

2 stops35h 10m

$1,050

Washington, D.C.Seoul

DCA - GMP

DCAGMP

Washington, D.C. Reagan-National

Mon 11/10

11:10 am-11:00 am

2 stops33h 50m

Seoul Gimpo Intl

Mon 11/17

8:50 pm-6:00 pm

2 stops35h 10m

$1,050

Washington, D.C.Seoul

IAD - GMP

IADGMP

Washington, D.C. Dulles Intl

Tue 11/18

10:00 pm-1:05 pm

1 stop25h 05m

Seoul Gimpo Intl

Tue 11/25

8:35 am-6:30 pm

1 stop23h 55m

$1,465

Washington, D.C.Seoul

DCA - GMP

DCAGMP

Washington, D.C. Reagan-National

Tue 2/3

9:40 am-10:30 pm

2 stops22h 50m

Seoul Gimpo Intl

Thu 2/12

8:00 am-4:26 pm

2 stops22h 26m

$1,602

Washington, D.C.Seoul

IAD - GMP

IADGMP

Washington, D.C. Dulles Intl

Wed 3/11

1:05 pm-11:20 am

2 stops33h 15m

Seoul Gimpo Intl

Wed 4/8

7:55 pm-10:05 am

1 stop27h 10m

$1,611

Washington, D.C.Seoul

IAD - GMP

IADGMP

Washington, D.C. Dulles Intl

Mon 2/2

11:05 am-10:30 pm

1 stop21h 25m

Seoul Gimpo Intl

Mon 2/9

7:50 pm-9:10 am

1 stop27h 20m

$1,651

Washington, D.C.Seoul

IAD - GMP

IADGMP

Washington, D.C. Dulles Intl

Fri 2/27

11:05 am-10:30 pm

1 stop21h 25m

Seoul Gimpo Intl

Sun 3/8

7:50 pm-10:10 am

1 stop27h 20m

$1,651

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 44 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 25h 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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$613+ 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 9/29. 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

Keep the following information in mind while searching for District of Columbia to Gimpo Intl flight deals. Data was last updated September 16, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find 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 September 16, 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 September 16, 2025.

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.

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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Alternative routes for 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 September 16, 2025.