What are the cheapest airlines to fly from District of Columbia to Seoul Gimpo Intl Airport one-way?

To fly one-way, consider booking your trip with Air China, which is currently one of the cheapest options available, starting at $703. EVA Air flights start at $713 while deals on ANA start at $992 one-way.

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).

How far in advance should I book a flight from District of Columbia to Seoul Gimpo Intl Airport?

To save on the cost of your flight from District of Columbia to Seoul Gimpo Intl Airport, book at least 19 days before your planned departure. Booking around this time can save you about 115% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $912 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $1,352.

What is the cheapest month to fly from District of Columbia to Seoul Gimpo Intl Airport?

Flights from District of Columbia to Seoul Gimpo Intl Airport lean towards being more expensive in June. Prices are generally better when you fly from District of Columbia to Seoul Gimpo Intl Airport in January, with the cheapest ticket starting at $863.

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.

$571+ 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	$1,321 (oojo)
One-way from	$557 (Kiwi.com)
Popular in	June
Cheapest in	January
Average price	$1,538

From District of Columbia to Seoul Gimpo Intl

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

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Highest demand for flights based on searches. 17% potential increase in price ($286 potential increase over avg. RT price).

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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 July 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 July 31, 2025.

Tue 9/211:00 pmIAD - GMP

1 stop25h 05mAir China

Fri 9/128:35 amGMP - IAD

1 stop23h 55mAir China

Deal found 7/29

$1,321

Tue 9/212:15 pmIAD - GMP

1 stop21h 05mANA

Tue 9/1612:40 pmGMP - IAD

1 stop34h 25mANA

Deal found 7/29

$1,603

Tue 10/283:30 pmDCA - GMP

2 stops30h 50mANA

Tue 11/47:50 pmGMP - DCA

2 stops30h 08mANA

Deal found 7/31

$1,617

Tue 9/911:00 pmIAD - GMP

1 stop27h 00mMultiple Airlines

Tue 9/169:05 amGMP - IAD

1 stop23h 25mMultiple Airlines

Deal found 7/31

$1,640

Mon 9/223:30 pmDCA - GMP

2 stops30h 35mMultiple Airlines

Sat 9/277:55 amGMP - DCA

2 stops28h 12mMultiple Airlines

Deal found 7/30

$1,714

Mon 9/810:45 pmDCA - GMP

2 stops23h 00mJapan Airlines

Sat 9/137:20 pmGMP - DCA

2 stops40h 47mJapan Airlines

Deal found 7/30

$1,751

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 July 31, 2025.

Tue 9/211:00 pmIAD - GMP

1 stop25h 05mAir China

Fri 9/128:35 amGMP - IAD

1 stop23h 55mAir China

Deal found 7/29

$1,321

Fri 9/1910:20 amIAD - GMP

2 stops23h 05mMultiple Airlines

Fri 9/2612:05 pmGMP - IAD

2 stops34h 33mMultiple Airlines

Deal found 7/29

$1,556

Wed 9/312:15 pmIAD - GMP

1 stop21h 05mANA

Thu 11/137:50 pmGMP - IAD

1 stop27h 20mANA

Deal found 7/29

$1,580

Mon 9/810:45 pmDCA - GMP

2 stops23h 00mJapan Airlines

Sat 9/137:20 pmGMP - DCA

2 stops40h 47mJapan Airlines

Deal found 7/30

$1,751

Thu 1/86:59 amDCA - GMP

2 stops25h 31mMultiple Airlines

Wed 2/117:50 amGMP - DCA

2 stops20h 40mMultiple Airlines

Deal found 7/30

$1,591

Tue 10/283:30 pmDCA - GMP

2 stops30h 50mANA

Tue 11/47:50 pmGMP - DCA

2 stops30h 08mANA

Deal found 7/31

$1,617

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 July 31, 2025 and is based on user searches.

Tue 8/512:15 pmIAD - GMP

1 stop21h 05mANA

Wed 8/207:55 pmGMP - IAD

1 stop32h 50mANA

Deal found 7/29

$2,159

Fri 8/811:00 pmIAD - GMP

1 stop25h 05mAir China

Fri 11/72:25 pmGMP - IAD

2 stops30h 23mAir China

Deal found 7/31

$1,687

Fri 8/812:15 pmIAD - GMP

1 stop21h 05mMultiple Airlines

Fri 11/77:50 pmGMP - IAD

2 stops24h 58mMultiple Airlines

Deal found 7/29

$2,264

Fri 8/810:09 pmDCA - GMP

2 stops23h 36mMultiple Airlines

Sun 8/177:55 amGMP - DCA

2 stops19h 37mMultiple Airlines

Deal found 7/29

$2,890

Sat 8/96:30 amDCA - GMP

2 stops26h 20mJapan Airlines

Sat 8/237:55 amGMP - DCA

2 stops21h 04mJapan Airlines

Deal found 7/31

$2,254

Tue 8/1911:00 pmIAD - GMP

1 stop25h 05mAir China

Tue 9/28:35 amGMP - IAD

1 stop23h 55mAir China

Deal found 7/29

$1,370

Wed 8/207:00 amIAD - GMP

2 stops38h 45mJapan Airlines

Thu 8/287:55 amGMP - IAD

2 stops36h 37mJapan Airlines

Deal found 7/31

$1,825

Wed 8/2712:15 pmIAD - GMP

1 stop21h 05mANA

Tue 9/27:55 pmGMP - IAD

1 stop27h 10mANA

Deal found 7/30

$1,606

Wed 8/273:30 pmDCA - GMP

2 stops30h 35mANA

Wed 9/37:55 pmGMP - DCA

2 stops31h 21mANA

Deal found 7/30

$1,688

Wed 8/2710:09 pmDCA - GMP

2 stops23h 36mJapan Airlines

Tue 9/27:55 amGMP - DCA

2 stops25h 21mJapan Airlines

Deal found 7/30

$1,786

Fri 8/293:30 pmDCA - GMP

2 stops38h 05mMultiple Airlines

Mon 9/87:55 amGMP - DCA

2 stops27h 05mMultiple Airlines

Deal found 7/30

$1,793

Fri 8/298:35 amIAD - GMP

2 stops24h 45mMultiple Airlines

Fri 9/57:40 amGMP - IAD

2 stops26h 15mMultiple Airlines

Deal found 7/30

$1,809

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 July 31, 2025.

Mon 9/19:00 amIAD - GMP

3 stops43h 40mMultiple Airlines

Deal found 7/28

$571

Mon 9/156:59 pmDCA - GMP

3 stops56h 06mMultiple Airlines

Deal found 7/29

$605

Mon 8/117:59 pmIAD - GMP

2 stops34h 16mEVA Air

Deal found 7/29

$715

Fri 9/511:00 pmIAD - GMP

1 stop25h 05mAir China

Deal found 7/31

$741

Wed 11/59:59 amDCA - GMP

2 stops36h 51mEVA Air

Deal found 7/31

$766

Tue 8/510:08 pmDCA - GMP

2 stops23h 37mJapan Airlines

Deal found 7/30

$1,009

Wed 11/52:00 pmDCA - GMP

2 stops31h 20mANA

Deal found 7/31

$1,054

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

Tue 9/2

11:00 pm-1:05 pm

1 stop25h 05m

Seoul Gimpo Intl

Fri 9/12

8:35 am-7:30 pm

1 stop23h 55m

$1,321

Washington, D.C.Seoul

IAD - GMP

IADGMP

Washington, D.C. Dulles Intl

Fri 9/19

10:20 am-10:25 pm

2 stops23h 05m

Seoul Gimpo Intl

Fri 9/26

12:05 pm-9:38 am

2 stops34h 33m

$1,556

Washington, D.C.Seoul

IAD - GMP

IADGMP

Washington, D.C. Dulles Intl

Wed 9/3

12:15 pm-10:20 pm

1 stop21h 05m

Seoul Gimpo Intl

Thu 11/13

7:50 pm-9:10 am

1 stop27h 20m

$1,580

Washington, D.C.Seoul

DCA - GMP

DCAGMP

Washington, D.C. Reagan-National

Thu 1/8

6:59 am-10:30 pm

2 stops25h 31m

Seoul Gimpo Intl

Wed 2/11

7:50 am-2:30 pm

2 stops20h 40m

$1,591

Washington, D.C.Seoul

DCA - GMP

DCAGMP

Washington, D.C. Reagan-National

Tue 10/28

3:30 pm-11:20 am

2 stops30h 50m

Seoul Gimpo Intl

Tue 11/4

7:50 pm-11:58 am

2 stops30h 08m

$1,617

Washington, D.C.Seoul

DCA - GMP

DCAGMP

Washington, D.C. Reagan-National

Mon 9/8

10:45 pm-10:45 am

2 stops23h 00m

Seoul Gimpo Intl

Sat 9/13

7:20 pm-11:07 pm

2 stops40h 47m

$1,751

Washington, D.C.Seoul

IAD - GMP

IADGMP

Washington, D.C. Dulles Intl

Mon 9/1

9:00 am-5:40 pm

3 stops43h 40m

$571

Washington, D.C.Seoul

DCA - GMP

DCAGMP

Washington, D.C. Reagan-National

Mon 9/15

6:59 pm-4:05 pm

3 stops56h 06m

$605

Washington, D.C.Seoul

IAD - GMP

IADGMP

Washington, D.C. Dulles Intl

Mon 8/11

7:59 pm-7:15 pm

2 stops34h 16m

$715

Washington, D.C.Seoul

IAD - GMP

IADGMP

Washington, D.C. Dulles Intl

Fri 9/5

11:00 pm-1:05 pm

1 stop25h 05m

$741

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Showing 1-10 of 13 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.

Reviews of airlines servicing Gimpo Intl

Read reviews from past customers who have flown EVA Air, ANA, and Japan Airlines from District of Columbia to Seoul Gimpo Intl Airport. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

EVA Air

8.4

Very good

1,220 reviews

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

EVA Air

8.4

Very good

1,220 reviews

EVA Air

8.4

Very good

1,220 reviews

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

ANA

8.4

Very good

922 reviews

EVA Air

8.4

Very good

1,220 reviews

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Japan Airlines

8.3

Very good

1,536 reviews

EVA Air

8.4

Very good

1,220 reviews

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Air China

7.3

Good

93 reviews

EVA Air

8.4

Very good

1,220 reviews

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Related info for your journey

What are the cheapest airlines to fly from District of Columbia to Seoul Gimpo Intl Airport one-way?
To fly one-way, consider booking your trip with Air China, which is currently one of the cheapest options available, starting at $703. EVA Air flights start at $713 while deals on ANA start at $992 one-way.
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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$571+ 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 9/1. 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 July 31, 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 July 31, 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 July 31, 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

Reviews of airlines servicing Gimpo Intl

Read reviews from past customers who have flown EVA Air, ANA, and Japan Airlines from District of Columbia to Seoul Gimpo Intl Airport. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

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.

What are the cheapest airlines to fly from District of Columbia to Seoul Gimpo Intl Airport one-way?

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?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 July 31, 2025.