What is the cheapest airline that flies from Seoul Gimpo Intl to Washington, D.C.?

EVA Air, Air China, and Japan Airlines are the most popular carriers operating from Seoul Gimpo Intl to Washington, D.C.

How old do you have to be to fly from Seoul Gimpo Intl Airport to Washington, D.C.?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seoul Gimpo Intl Airport to Washington, D.C..

What documentation or ID do you need to fly to Washington, D.C.?

The travel and health documents required for your trip to Washington, D.C. can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington, D.C.. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$490 Cheap Flights from Seoul Gimpo Intl Airport to Washington, D.C. in 2026

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Find the cheapest flights from Seoul Gimpo Intl Airport to Washington, D.C.

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One-way

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Cheap round-trip flights

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8:00 am - 11:26 pm

GMP

IAD

28h 26m

2 stops

6:10 am - 9:15 pm

IAD

GMP

26h 05m

2 stops

$771Multiple Airlines

Tue, Apr 14 - Tue, Apr 21

8:00 am - 10:46 pm

GMP

IAD

27h 46m

2 stops

6:15 am - 9:15 pm

IAD

GMP

26h 00m

2 stops

$781Multiple Airlines

Sun, Jun 14 - Sat, Jun 27

8:00 am - 11:09 pm

GMP

BWI

28h 09m

2 stops

7:00 am - 9:15 pm

BWI

GMP

25h 15m

2 stops

$898Multiple Airlines

Mon, Apr 13 - Sun, Apr 26

8:00 am - 10:53 pm

GMP

IAD

27h 53m

2 stops

6:00 am - 9:15 pm

IAD

GMP

26h 15m

2 stops

$927Multiple Airlines

Thu, Apr 2 - Sun, Apr 5

7:55 pm - 9:04 pm

GMP

IAD

38h 09m

2 stops

12:15 pm - 11:05 am

IAD

GMP

33h 50m

1 stop

$1,165ANA

Sun, Apr 19 - Fri, Apr 24

7:55 pm - 8:15 pm

GMP

DCA

37h 20m

2 stops

3:30 pm - 6:35 pm

DCA

GMP

38h 05m

2 stops

$1,166ANA

Sun, Apr 19 - Fri, Apr 24

7:55 pm - 10:05 am

GMP

IAD

27h 10m

1 stop

12:15 pm - 11:05 am

IAD

GMP

33h 50m

1 stop

$1,175ANA

Thu, Apr 16 - Fri, Apr 17

8:00 am - 3:45 pm

GMP

DCA

20h 45m

2 stops

11:35 am - 9:15 pm

DCA

GMP

20h 40m

2 stops

$1,216Japan Airlines

Tue, May 12 - Wed, Jul 8

7:15 pm - 10:15 pm

GMP

DCA

40h 00m

2 stops

11:36 am - 9:15 pm

DCA

GMP

20h 39m

2 stops

$1,251Japan Airlines

Sun, Apr 19 - Fri, Apr 24

12:05 pm - 10:29 pm

GMP

DCA

23h 24m

2 stops

9:32 am - 9:15 pm

DCA

GMP

22h 43m

2 stops

$1,254Japan Airlines

Thu, Apr 2 - Thu, Apr 9

ANA flights from Seoul Gimpo Intl Airport to Washington, D.C.

Our best ANA deals on Seoul Gimpo Intl Airport to Washington, D.C. flight tickets

ANA

Apr 19

GMP7:55 pmSeoul Gimpo Intl

38h 09m

2 stops

IAD9:04 pmWashington, D.C. Dulles Intl

Apr 24

IAD12:15 pmWashington, D.C. Dulles Intl

33h 50m

1 stop

GMP11:05 amSeoul Gimpo Intl

$1,165

ANA

Apr 19

GMP7:55 pmSeoul Gimpo Intl

37h 20m

2 stops

DCA8:15 pmWashington, D.C. Reagan-National

Apr 24

DCA3:30 pmWashington, D.C. Reagan-National

38h 05m

2 stops

GMP6:35 pmSeoul Gimpo Intl

$1,166

ANA

Apr 16

GMP7:55 pmSeoul Gimpo Intl

27h 10m

1 stop

IAD10:05 amWashington, D.C. Dulles Intl

Apr 17

IAD12:15 pmWashington, D.C. Dulles Intl

33h 50m

1 stop

GMP11:05 amSeoul Gimpo Intl

$1,175

Air China flights from Seoul Gimpo Intl Airport to Washington, D.C.

Our best Air China deals on Seoul Gimpo Intl Airport to Washington, D.C. flight tickets

Air China

Jun 1

GMP2:25 pmSeoul Gimpo Intl

42h 05m

1 stop

IAD7:30 pmWashington, D.C. Dulles Intl

Jun 30

IAD11:00 pmWashington, D.C. Dulles Intl

25h 05m

1 stop

GMP1:05 pmSeoul Gimpo Intl

$1,422

Air China

Mar 9

GMP8:40 amSeoul Gimpo Intl

35h 49m

2 stops

IAD7:29 amWashington, D.C. Dulles Intl

Mar 13

IAD3:45 pmWashington, D.C. Dulles Intl

32h 20m

2 stops

GMP1:05 pmSeoul Gimpo Intl

$2,396

Air China

Mar 14

GMP8:40 amSeoul Gimpo Intl

29h 23m

2 stops

IAD1:03 amWashington, D.C. Dulles Intl

Mar 17

IAD11:00 pmWashington, D.C. Dulles Intl

25h 05m

1 stop

GMP1:05 pmSeoul Gimpo Intl

$3,330

momondo Fare Finder

Use the filters below to find and compare flights from Seoul Gimpo Intl Airport to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeoulWashington, D.C.

GMP - IAD

GMPIAD

Seoul Gimpo Intl

Tue 4/14

8:00 am-11:26 pm

2 stops28h 26m

Washington, D.C. Dulles Intl

Tue 4/21

6:10 am-9:15 pm

2 stops26h 05m

$771

SeoulWashington, D.C.

GMP - IAD

GMPIAD

Seoul Gimpo Intl

Sun 6/14

8:00 am-10:46 pm

2 stops27h 46m

Washington, D.C. Dulles Intl

Sat 6/27

6:15 am-9:15 pm

2 stops26h 00m

$781

SeoulBaltimore

GMP - BWI

GMPBWI

Seoul Gimpo Intl

Mon 4/13

8:00 am-11:09 pm

2 stops28h 09m

Baltimore/Washington

Sun 4/26

7:00 am-9:15 pm

2 stops25h 15m

$898

SeoulWashington, D.C.

GMP - IAD

GMPIAD

Seoul Gimpo Intl

Thu 4/2

8:00 am-10:53 pm

2 stops27h 53m

Washington, D.C. Dulles Intl

Sun 4/5

6:00 am-9:15 pm

2 stops26h 15m

$927

SeoulWashington, D.C.

GMP - IAD

GMPIAD

Seoul Gimpo Intl

Sun 4/19

7:55 pm-9:04 pm

2 stops38h 09m

Washington, D.C. Dulles Intl

Fri 4/24

12:15 pm-11:05 am

1 stop33h 50m

$1,165

SeoulWashington, D.C.

GMP - DCA

GMPDCA

Seoul Gimpo Intl

Sun 4/19

7:55 pm-8:15 pm

2 stops37h 20m

Washington, D.C. Reagan-National

Fri 4/24

3:30 pm-6:35 pm

2 stops38h 05m

$1,166

SeoulWashington, D.C.

GMP - IAD

GMPIAD

Seoul Gimpo Intl

Thu 4/16

7:55 pm-10:05 am

1 stop27h 10m

Washington, D.C. Dulles Intl

Fri 4/17

12:15 pm-11:05 am

1 stop33h 50m

$1,175

SeoulWashington, D.C.

GMP - DCA

GMPDCA

Seoul Gimpo Intl

Tue 5/12

8:00 am-3:45 pm

2 stops20h 45m

Washington, D.C. Reagan-National

Wed 7/8

11:35 am-9:15 pm

2 stops20h 40m

$1,216

SeoulWashington, D.C.

GMP - DCA

GMPDCA

Seoul Gimpo Intl

Sun 4/19

7:15 pm-10:15 pm

2 stops40h 00m

Washington, D.C. Reagan-National

Fri 4/24

11:36 am-9:15 pm

2 stops20h 39m

$1,251

SeoulWashington, D.C.

GMP - DCA

GMPDCA

Seoul Gimpo Intl

Thu 4/2

12:05 pm-10:29 pm

2 stops23h 24m

Washington, D.C. Reagan-National

Thu 4/9

9:32 am-9:15 pm

2 stops22h 43m

$1,254

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Seoul Gimpo Intl Airport to Washington, D.C.

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest day to depart on your flight to Washington, D.C.?

On average, the least expensive day to fly to Washington, D.C. from Seoul Gimpo Intl Airport is on a Sunday. momondo users have found tickets for Sunday departures for as low as $1,350. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Seoul Gimpo Intl Airport to Washington, D.C. for around $1,671.

Can stopping save me money on Seoul Gimpo Intl Airport to Washington, D.C. flights?

You could potentially save up to 16% on your flight if you consider stops on a Seoul Gimpo Intl Airport to Washington, D.C. flight.

When to book flights from Seoul Gimpo Intl Airport to Washington, D.C.

Are you open to changing your travel dates? Check out the ideal times to fly from Seoul Gimpo Intl Airport to Washington, D.C. according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Seoul Gimpo Intl Airport to Washington, D.C. (GMP to WAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seoul Gimpo Intl Airport to Washington, D.C.

Fastest flight time	20h 44m
Direct flights	None

The fastest flight from Seoul Gimpo Intl Airport to Washington, D.C. takes 20h 44m

There are no direct flights from Seoul Gimpo Intl Airport to Washington, D.C.. There are no popular flight routes from Seoul Gimpo Intl Airport to Washington, D.C..

Search flight deals

How far is Seoul Gimpo Intl to Washington, D.C. by plane?
The distance between Seoul Gimpo Intl and Washington, D.C. is about 6935.3 mi. Typically, this will take 20h 44m by plane in normal conditions.
When did momondo last update prices for flights from Seoul Gimpo Intl Airport to Washington, D.C.?
Prices for flights from Seoul Gimpo Intl Airport to Washington, D.C. refresh daily.
How old do you have to be to fly from Seoul Gimpo Intl Airport to Washington, D.C.?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seoul Gimpo Intl Airport to Washington, D.C..
What documentation or ID do you need to fly to Washington, D.C.?
The travel and health documents required for your trip to Washington, D.C. can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington, D.C.. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Alexandria

National Harbor

Gettysburg

Arlington

Waldorf

Woodbridge

Colonial Beach

Laurel

Towson

Silver Spring

Gaithersburg

Fredericksburg

Rockville

Tysons

Manassas

Springfield

Bethesda

Fairfax

Linthicum Heights

Reston

Why use momondo?

Why should I use momondo to find a flight deal from Seoul to Washington, D.C.?

Finding the right flight to Washington, D.C. from Seoul is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Washington, D.C. quick and easy, saving you time and money.

Can I find flights from Seoul to Washington, D.C. with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Seoul to Washington, D.C. flights to just show those with flexible booking policies.

How can momondo help me find flights from Seoul to Washington, D.C.?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Washington, D.C. from Seoul.

I’m not ready to book a flight from Seoul to Washington, D.C. right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Seoul to Washington, D.C. now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Washington, D.C. and let you know when they change.

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Fly into one of these airports located in Washington, D.C.

Washington, D.C. Reagan-National Airport

Washington, D.C. Dulles Intl Airport

Cheap flights from Seoul Gimpo Intl Airport to Washington, D.C. from $490

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ANA flights from Seoul Gimpo Intl Airport to Washington, D.C.

Our best ANA deals on Seoul Gimpo Intl Airport to Washington, D.C. flight tickets

Air China flights from Seoul Gimpo Intl Airport to Washington, D.C.

Our best Air China deals on Seoul Gimpo Intl Airport to Washington, D.C. flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Seoul Gimpo Intl Airport to Washington, D.C. that are best for you.

See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Seoul Gimpo Intl Airport to Washington, D.C.

What is the cheapest day to depart on your flight to Washington, D.C.?

Can stopping save me money on Seoul Gimpo Intl Airport to Washington, D.C. flights?

What is the cheapest airline that flies from Seoul Gimpo Intl to Washington, D.C.?

When to book flights from Seoul Gimpo Intl Airport to Washington, D.C.

Cheap Seoul Gimpo Intl Airport to Washington, D.C. (GMP to WAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seoul Gimpo Intl Airport to Washington, D.C.

Fastest flight time

Direct flights

Traveling to a place near Washington, D.C.?

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An easier way to manage your Washington, D.C. trip

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Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.

Cabin classes currently available on flights to Washington, D.C.

List of cabin classes available on flights landing in Washington, D.C.. Availability may vary depending on flight origin and airline.

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