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

Air China, Japan Airlines, and ANA 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.

$606 Cheap Flights from Seoul Gimpo Intl Airport to Washington, D.C. in 2025/26

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Cheap round-trip flights

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7:50 pm - 9:10 amGMP-IAD

27h 20m1 stop

12:15 pm - 10:30 pmIAD-GMP

21h 15m1 stop

$1,015ANA

Find Deal

Wed, Feb 11 - Mon, Mar 9

7:50 pm - 9:10 amGMP-IAD

27h 20m1 stop

12:15 pm - 10:30 pmIAD-GMP

21h 15m1 stop

$1,021ANA

Find Deal

Wed, Feb 11 - Mon, Mar 9

7:50 pm - 9:10 amGMP-IAD

27h 20m1 stop

12:15 pm - 11:20 amIAD-GMP

34h 05m1 stop

$1,039ANA

Find Deal

Wed, Feb 11 - Mon, Mar 9

7:50 pm - 11:59 amGMP-DCA

30h 09m2 stops

2:00 pm - 11:20 amDCA-GMP

32h 20m2 stops

$1,044ANA

Find Deal

Wed, Feb 11 - Mon, Mar 9

8:00 am - 9:17 pmGMP-BWI

27h 17m2 stops

11:46 am - 10:55 amBWI-GMP

33h 09m2 stops

$1,232Multiple Airlines

Find Deal

Mon, Dec 15 - Fri, Feb 27

8:00 am - 9:17 pmGMP-BWI

27h 17m2 stops

11:46 am - 10:55 amBWI-GMP

33h 09m2 stops

$1,233Multiple Airlines

Find Deal

Mon, Dec 15 - Fri, Feb 27

12:05 pm - 6:54 pmGMP-DCA

44h 49m2 stops

5:10 pm - 10:05 pmDCA-GMP

38h 55m2 stops

$1,423Japan Airlines

Find Deal

Sun, Dec 7 - Sun, Dec 14

12:05 pm - 4:54 pmGMP-DCA

42h 49m2 stops

6:50 am - 6:20 pmDCA-GMP

45h 30m2 stops

$1,426Japan Airlines

Find Deal

Fri, Feb 13 - Mon, Feb 23

8:50 am - 6:30 pmGMP-IAD

23h 40m1 stop

10:00 pm - 1:05 pmIAD-GMP

25h 05m1 stop

$1,737Air China

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Tue, Dec 23 - Fri, Jan 2

8:50 am - 6:30 pmGMP-IAD

23h 40m1 stop

10:00 pm - 1:05 pmIAD-GMP

25h 05m1 stop

$1,757Air China

Find Deal

Tue, Dec 23 - Fri, Jan 2

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

Feb 11

GMP7:50 pmSeoul Gimpo Intl

27h 20m

1 stop

IAD9:10 amWashington, D.C. Dulles Intl

Mar 9

IAD12:15 pmWashington, D.C. Dulles Intl

21h 15m

1 stop

GMP10:30 pmSeoul Gimpo Intl

$1,015

Find similar

ANA

Feb 11

GMP7:50 pmSeoul Gimpo Intl

27h 20m

1 stop

IAD9:10 amWashington, D.C. Dulles Intl

Mar 9

IAD12:15 pmWashington, D.C. Dulles Intl

21h 15m

1 stop

GMP10:30 pmSeoul Gimpo Intl

$1,021

Find similar

ANA

Feb 11

GMP7:50 pmSeoul Gimpo Intl

27h 20m

1 stop

IAD9:10 amWashington, D.C. Dulles Intl

Mar 9

IAD12:15 pmWashington, D.C. Dulles Intl

34h 05m

1 stop

GMP11:20 amSeoul Gimpo Intl

$1,039

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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

Dec 23

GMP8:50 amSeoul Gimpo Intl

23h 40m

1 stop

IAD6:30 pmWashington, D.C. Dulles Intl

Jan 2

IAD10:00 pmWashington, D.C. Dulles Intl

25h 05m

1 stop

GMP1:05 pmSeoul Gimpo Intl

$1,737

Find similar

Air China

Dec 23

GMP8:50 amSeoul Gimpo Intl

23h 40m

1 stop

IAD6:30 pmWashington, D.C. Dulles Intl

Jan 2

IAD10:00 pmWashington, D.C. Dulles Intl

25h 05m

1 stop

GMP1:05 pmSeoul Gimpo Intl

$1,757

Find similar

Air China

Dec 23

GMP8:50 amSeoul Gimpo Intl

23h 40m

1 stop

IAD6:30 pmWashington, D.C. Dulles Intl

Jan 2

IAD10:00 pmWashington, D.C. Dulles Intl

25h 05m

1 stop

GMP1:05 pmSeoul Gimpo Intl

$1,758

Find similar

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

Wed 2/11

7:50 pm-9:10 am

1 stop27h 20m

Washington, D.C. Dulles Intl

Mon 3/9

12:15 pm-10:30 pm

1 stop21h 15m

$1,015

SeoulWashington, D.C.

GMP - IAD

GMPIAD

Seoul Gimpo Intl

Wed 2/11

7:50 pm-9:10 am

1 stop27h 20m

Washington, D.C. Dulles Intl

Mon 3/9

12:15 pm-10:30 pm

1 stop21h 15m

$1,021

SeoulWashington, D.C.

GMP - IAD

GMPIAD

Seoul Gimpo Intl

Wed 2/11

7:50 pm-9:10 am

1 stop27h 20m

Washington, D.C. Dulles Intl

Mon 3/9

12:15 pm-11:20 am

1 stop34h 05m

$1,039

SeoulWashington, D.C.

GMP - DCA

GMPDCA

Seoul Gimpo Intl

Wed 2/11

7:50 pm-11:59 am

2 stops30h 09m

Washington, D.C. Reagan-National

Mon 3/9

2:00 pm-11:20 am

2 stops32h 20m

$1,044

SeoulBaltimore

GMP - BWI

GMPBWI

Seoul Gimpo Intl

Mon 12/15

8:00 am-9:17 pm

2 stops27h 17m

Baltimore/Washington

Fri 2/27

11:46 am-10:55 am

2 stops33h 09m

$1,232

SeoulBaltimore

GMP - BWI

GMPBWI

Seoul Gimpo Intl

Mon 12/15

8:00 am-9:17 pm

2 stops27h 17m

Baltimore/Washington

Fri 2/27

11:46 am-10:55 am

2 stops33h 09m

$1,233

SeoulWashington, D.C.

GMP - DCA

GMPDCA

Seoul Gimpo Intl

Sun 12/7

12:05 pm-6:54 pm

2 stops44h 49m

Washington, D.C. Reagan-National

Sun 12/14

5:10 pm-10:05 pm

2 stops38h 55m

$1,423

SeoulWashington, D.C.

GMP - DCA

GMPDCA

Seoul Gimpo Intl

Fri 2/13

12:05 pm-4:54 pm

2 stops42h 49m

Washington, D.C. Reagan-National

Mon 2/23

6:50 am-6:20 pm

2 stops45h 30m

$1,426

SeoulWashington, D.C.

GMP - IAD

GMPIAD

Seoul Gimpo Intl

Tue 12/23

8:50 am-6:30 pm

1 stop23h 40m

Washington, D.C. Dulles Intl

Fri 1/2

10:00 pm-1:05 pm

1 stop25h 05m

$1,737

SeoulWashington, D.C.

GMP - IAD

GMPIAD

Seoul Gimpo Intl

Tue 12/23

8:50 am-6:30 pm

1 stop23h 40m

Washington, D.C. Dulles Intl

Fri 1/2

10:00 pm-1:05 pm

1 stop25h 05m

$1,757

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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 $1,502. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Thursday, 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 $1,646.

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

In the afternoon is the cheapest time of day to fly from Seoul Gimpo Intl Airport to Washington, D.C. when you can find flight prices for as low as $919. Flying to Washington, D.C. in the afternoon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the morning because they tend to be around $1,526. Of course, these prices can vary depending on the time of year and what airport you fly to.

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.

Direct flights	None

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..

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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 18h 31m 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

Woodbridge

Waldorf

Tysons

Laurel

Colonial Beach

Silver Spring

Fredericksburg

Towson

Rockville

Reston

Manassas

Gaithersburg

Fairfax

Glen Burnie

Linthicum Heights

Springfield

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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Find better results for your trip to the United States

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

Washington, D.C. Reagan-National Airport

Washington, D.C. Dulles Intl Airport

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Cheap flights from Seoul Gimpo Intl Airport to Washington, D.C. from $606

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Big names and deals

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

Cheap round-trip flights

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Cheap last minute flights

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.

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

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

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

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

Air China, Japan Airlines, and ANA are the most popular carriers operating 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.

Direct flights

How far is Seoul Gimpo Intl to Washington, D.C. by plane?

When did momondo last update prices for flights from Seoul Gimpo Intl Airport to Washington, D.C.?

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

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

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

Why use momondo?

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

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

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

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

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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

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.