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

Japan Airlines, EVA Air, 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.

$676 Cheap Flights from Seoul Gimpo Intl Airport to Washington, D.C. in 2026/27

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

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:50 pm - 9:10 amGMP Seoul Gimpo Intl-IAD Washington, D.C. Dulles Intl

27h 20m1 stop Tokyo Haneda

11:10 am - 10:30 pmIAD Washington, D.C. Dulles Intl-GMP Seoul Gimpo Intl

21h 20m1 stop Tokyo Haneda

$1,263ANA

Mon, Feb 15 - Mon, Feb 22

7:50 pm - 9:10 amGMP Seoul Gimpo Intl-IAD Washington, D.C. Dulles Intl

27h 20m1 stop Tokyo Haneda

12:40 pm - 11:10 amIAD Washington, D.C. Dulles Intl-GMP Seoul Gimpo Intl

32h 30m2 stops Chicago O'Hare Intl Tokyo Haneda

$1,267ANA

Mon, Feb 15 - Mon, Feb 22

7:50 pm - 9:10 amGMP Seoul Gimpo Intl-IAD Washington, D.C. Dulles Intl

27h 20m1 stop Tokyo Haneda

11:10 am - 10:30 pmIAD Washington, D.C. Dulles Intl-GMP Seoul Gimpo Intl

21h 20m1 stop Tokyo Haneda

$1,278ANA

Tue, Nov 3 - Tue, Nov 24

7:55 pm - 10:05 amGMP Seoul Gimpo Intl-IAD Washington, D.C. Dulles Intl

27h 10m1 stop Tokyo Haneda

12:15 pm - 10:20 pmIAD Washington, D.C. Dulles Intl-GMP Seoul Gimpo Intl

21h 05m1 stop Tokyo Haneda

$1,286ANA

Thu, Oct 15 - Mon, Oct 19

7:50 pm - 9:10 amGMP Seoul Gimpo Intl-IAD Washington, D.C. Dulles Intl

27h 20m1 stop Tokyo Haneda

11:10 am - 10:30 pmIAD Washington, D.C. Dulles Intl-GMP Seoul Gimpo Intl

21h 20m1 stop Tokyo Haneda

$1,320ANA

Thu, Nov 19 - Sun, Nov 29

7:50 pm - 10:10 amGMP Seoul Gimpo Intl-IAD Washington, D.C. Dulles Intl

27h 20m1 stop Tokyo Haneda

11:10 am - 11:10 amIAD Washington, D.C. Dulles Intl-GMP Seoul Gimpo Intl

34h 00m1 stop Tokyo Haneda

$1,325ANA

Sun, Oct 25 - Sun, Nov 1

7:50 pm - 9:10 amGMP Seoul Gimpo Intl-IAD Washington, D.C. Dulles Intl

27h 20m1 stop Tokyo Haneda

11:10 am - 10:30 pmIAD Washington, D.C. Dulles Intl-GMP Seoul Gimpo Intl

21h 20m1 stop Tokyo Haneda

$1,327ANA

Thu, Nov 19 - Sun, Nov 29

7:50 pm - 11:52 amGMP Seoul Gimpo Intl-IAD Washington, D.C. Dulles Intl

30h 02m2 stops Tokyo Haneda Chicago O'Hare Intl

11:10 am - 10:30 pmIAD Washington, D.C. Dulles Intl-GMP Seoul Gimpo Intl

21h 20m1 stop Tokyo Haneda

$1,330ANA

Thu, Nov 19 - Sun, Nov 29

7:50 pm - 9:10 amGMP Seoul Gimpo Intl-IAD Washington, D.C. Dulles Intl

27h 20m1 stop Tokyo Haneda

11:10 am - 11:10 amIAD Washington, D.C. Dulles Intl-GMP Seoul Gimpo Intl

34h 00m1 stop Tokyo Haneda

$1,336ANA

Fri, Nov 20 - Thu, Dec 3

7:50 pm - 9:10 amGMP Seoul Gimpo Intl-IAD Washington, D.C. Dulles Intl

27h 20m1 stop Tokyo Haneda

11:10 am - 10:30 pmIAD Washington, D.C. Dulles Intl-GMP Seoul Gimpo Intl

21h 20m1 stop Tokyo Haneda

$1,336ANA

Fri, Jan 22 - Mon, Jan 25

Cheap last minute flights

Enter your travel dates to find the best prices.

12:05 pm - 10:59 pmGMP Seoul Gimpo Intl-DCA Washington, D.C. Reagan-National

23h 54m2 stops Tokyo Haneda New York John F Kennedy Intl

6:00 am - 9:15 pmDCA Washington, D.C. Reagan-National-GMP Seoul Gimpo Intl

26h 15m2 stops New York John F Kennedy Intl Tokyo Haneda

$1,652Japan Airlines

Sat, Oct 3 - Tue, Oct 6

7:55 pm - 10:05 amGMP Seoul Gimpo Intl-IAD Washington, D.C. Dulles Intl

27h 10m1 stop Tokyo Haneda

12:15 pm - 10:20 pmIAD Washington, D.C. Dulles Intl-GMP Seoul Gimpo Intl

21h 05m1 stop Tokyo Haneda

$1,729ANA

Sat, Oct 3 - Tue, Oct 6

12:40 pm - 10:05 amGMP Seoul Gimpo Intl-IAD Washington, D.C. Dulles Intl

34h 25m1 stop Tokyo Haneda

12:15 pm - 10:20 pmIAD Washington, D.C. Dulles Intl-GMP Seoul Gimpo Intl

21h 05m1 stop Tokyo Haneda

$1,792ANA

Fri, Oct 2 - Mon, Oct 5

8:00 am - 4:24 pmGMP Seoul Gimpo Intl-DCA Washington, D.C. Reagan-National

21h 24m2 stops Tokyo Haneda Chicago O'Hare Intl

6:00 am - 9:15 pmDCA Washington, D.C. Reagan-National-GMP Seoul Gimpo Intl

26h 15m2 stops New York John F Kennedy Intl Tokyo Haneda

$1,837Japan Airlines

Fri, Oct 2 - Mon, Oct 5

12:05 pm - 11:10 pmGMP Seoul Gimpo Intl-DCA Washington, D.C. Reagan-National

24h 05m2 stops Tokyo Haneda New York John F Kennedy Intl

8:52 am - 9:15 pmDCA Washington, D.C. Reagan-National-GMP Seoul Gimpo Intl

23h 23m2 stops Los Angeles Tokyo Haneda

$2,013Japan Airlines

Fri, Oct 2 - Fri, Oct 9

7:55 pm - 10:05 amGMP Seoul Gimpo Intl-IAD Washington, D.C. Dulles Intl

27h 10m1 stop Tokyo Haneda

3:47 pm - 11:05 amIAD Washington, D.C. Dulles Intl-GMP Seoul Gimpo Intl

30h 18m2 stops Chicago O'Hare Intl Tokyo Haneda

$2,036ANA

Fri, Oct 2 - Mon, Oct 5

7:55 pm - 10:05 amGMP Seoul Gimpo Intl-IAD Washington, D.C. Dulles Intl

27h 10m1 stop Tokyo Haneda

12:15 pm - 11:05 amIAD Washington, D.C. Dulles Intl-GMP Seoul Gimpo Intl

33h 50m1 stop Tokyo Haneda

$2,815ANA

Fri, Oct 2 - Fri, Oct 9

7:55 pm - 10:05 amGMP Seoul Gimpo Intl-IAD Washington, D.C. Dulles Intl

27h 10m1 stop Tokyo Haneda

1:10 pm - 11:20 amIAD Washington, D.C. Dulles Intl-GMP Seoul Gimpo Intl

33h 10m2 stops Chicago O'Hare Intl Tokyo Haneda

$2,824ANA

Fri, Oct 2 - Fri, Oct 9

8:10 am - 9:24 pmGMP Seoul Gimpo Intl-IAD Washington, D.C. Dulles Intl

26h 14m2 stops Osaka Kansai Intl Toronto Pearson Intl

3:47 pm - 11:05 amIAD Washington, D.C. Dulles Intl-GMP Seoul Gimpo Intl

30h 18m2 stops Chicago O'Hare Intl Tokyo Haneda

$2,842Multiple Airlines

Fri, Oct 2 - Mon, Oct 5

8:10 am - 9:24 pmGMP Seoul Gimpo Intl-IAD Washington, D.C. Dulles Intl

26h 14m2 stops Osaka Kansai Intl Toronto Pearson Intl

3:47 pm - 11:20 amIAD Washington, D.C. Dulles Intl-GMP Seoul Gimpo Intl

30h 33m2 stops Chicago O'Hare Intl Tokyo Haneda

$2,843Multiple Airlines

Fri, Oct 2 - Fri, Oct 9

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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

ANA

Feb 15

GMP7:50 pmSeoul Gimpo Intl

27h 20m

1 stop

IAD9:10 amWashington, D.C. Dulles Intl

Feb 22

IAD11:10 amWashington, D.C. Dulles Intl

21h 20m

1 stop

GMP10:30 pmSeoul Gimpo Intl

$1,263

ANA

Feb 15

GMP7:50 pmSeoul Gimpo Intl

27h 20m

1 stop

IAD9:10 amWashington, D.C. Dulles Intl

Feb 22

IAD12:40 pmWashington, D.C. Dulles Intl

32h 30m

2 stops

GMP11:10 amSeoul Gimpo Intl

$1,267

ANA

Nov 3

GMP7:50 pmSeoul Gimpo Intl

27h 20m

1 stop

IAD9:10 amWashington, D.C. Dulles Intl

Nov 24

IAD11:10 amWashington, D.C. Dulles Intl

21h 20m

1 stop

GMP10:30 pmSeoul Gimpo Intl

$1,278

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

Nov 6

GMP2:25 pmSeoul Gimpo Intl

30h 47m

2 stops

IAD7:12 amWashington, D.C. Dulles Intl

Nov 16

IAD9:00 amWashington, D.C. Dulles Intl

38h 05m

2 stops

GMP1:05 pmSeoul Gimpo Intl

$2,279

Air China

Jan 9

GMP2:25 pmSeoul Gimpo Intl

53h 00m

2 stops

IAD5:25 amWashington, D.C. Dulles Intl

Jan 15

IAD10:00 pmWashington, D.C. Dulles Intl

25h 05m

1 stop

GMP1:05 pmSeoul Gimpo Intl

$2,367

Air China

Jan 8

GMP2:25 pmSeoul Gimpo Intl

29h 00m

2 stops

IAD5:25 amWashington, D.C. Dulles Intl

Jan 15

IAD10:00 pmWashington, D.C. Dulles Intl

25h 05m

1 stop

GMP1:05 pmSeoul Gimpo Intl

$2,451

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

Cheapest round-trip

SeoulWashington, D.C.

GMP Seoul Gimpo Intl - IAD Washington, D.C. Dulles Intl

GMPIAD

Seoul Gimpo Intl

Mon 2/15

7:50 pm-9:10 am

1 stop27h 20m

Washington, D.C. Dulles Intl

Mon 2/22

11:10 am-10:30 pm

1 stop21h 20m

$1,263

SeoulWashington, D.C.

GMP Seoul Gimpo Intl - IAD Washington, D.C. Dulles Intl

GMPIAD

Seoul Gimpo Intl

Mon 2/15

7:50 pm-9:10 am

1 stop27h 20m

Washington, D.C. Dulles Intl

Mon 2/22

12:40 pm-11:10 am

2 stops32h 30m

$1,267

SeoulWashington, D.C.

GMP Seoul Gimpo Intl - IAD Washington, D.C. Dulles Intl

GMPIAD

Seoul Gimpo Intl

Tue 11/3

7:50 pm-9:10 am

1 stop27h 20m

Washington, D.C. Dulles Intl

Tue 11/24

11:10 am-10:30 pm

1 stop21h 20m

$1,278

Quickest round-trip

SeoulWashington, D.C.

GMP Seoul Gimpo Intl - IAD Washington, D.C. Dulles Intl

GMPIAD

Seoul Gimpo Intl

Thu 10/15

7:55 pm-10:05 am

1 stop27h 10m

Washington, D.C. Dulles Intl

Mon 10/19

12:15 pm-10:20 pm

1 stop21h 05m

$1,286

SeoulWashington, D.C.

GMP Seoul Gimpo Intl - IAD Washington, D.C. Dulles Intl

GMPIAD

Seoul Gimpo Intl

Thu 11/19

7:50 pm-9:10 am

1 stop27h 20m

Washington, D.C. Dulles Intl

Sun 11/29

11:10 am-10:30 pm

1 stop21h 20m

$1,320

SeoulWashington, D.C.

GMP Seoul Gimpo Intl - IAD Washington, D.C. Dulles Intl

GMPIAD

Seoul Gimpo Intl

Sun 10/25

7:50 pm-10:10 am

1 stop27h 20m

Washington, D.C. Dulles Intl

Sun 11/1

11:10 am-11:10 am

1 stop34h 00m

$1,325

SeoulWashington, D.C.

GMP Seoul Gimpo Intl - IAD Washington, D.C. Dulles Intl

GMPIAD

Seoul Gimpo Intl

Thu 11/19

7:50 pm-9:10 am

1 stop27h 20m

Washington, D.C. Dulles Intl

Sun 11/29

11:10 am-10:30 pm

1 stop21h 20m

$1,327

SeoulWashington, D.C.

GMP Seoul Gimpo Intl - IAD Washington, D.C. Dulles Intl

GMPIAD

Seoul Gimpo Intl

Thu 11/19

7:50 pm-11:52 am

2 stops30h 02m

Washington, D.C. Dulles Intl

Sun 11/29

11:10 am-10:30 pm

1 stop21h 20m

$1,330

SeoulWashington, D.C.

GMP Seoul Gimpo Intl - IAD Washington, D.C. Dulles Intl

GMPIAD

Seoul Gimpo Intl

Fri 11/20

7:50 pm-9:10 am

1 stop27h 20m

Washington, D.C. Dulles Intl

Thu 12/3

11:10 am-11:10 am

1 stop34h 00m

$1,336

SeoulWashington, D.C.

GMP Seoul Gimpo Intl - IAD Washington, D.C. Dulles Intl

GMPIAD

Seoul Gimpo Intl

Fri 1/22

7:50 pm-9:10 am

1 stop27h 20m

Washington, D.C. Dulles Intl

Mon 1/25

11:10 am-10:30 pm

1 stop21h 20m

$1,336

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 Friday. momondo users have found tickets for Friday departures for as low as $1,119. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Tuesday, 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 $1,576.

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

In the evening 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 $1,258. Flying to Washington, D.C. in the evening 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 $1,350. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

You could potentially save up to 9% 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.

Best Price Found	$676
Fastest flight time	22h 51m
Direct flights	None

The best one-way flight to Washington, D.C. from Seoul Gimpo Intl Airport in the past 72 hours is $676. The best round-trip flight deal from Seoul Gimpo Intl Airport to Washington, D.C. found on momondo in the last 72 hours is $1,263.

The fastest flight from Seoul Gimpo Intl Airport to Washington, D.C. takes 22h 51m

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

Frequently asked questions about flying from Seoul Gimpo Intl Airport to Washington, D.C.

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 22h 51m 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

Arlington

Gettysburg

Fredericksburg

Waldorf

Laurel

Woodbridge

Linthicum Heights

Gaithersburg

Rockville

Silver Spring

Towson

Fairfax

Springfield

Glen Burnie

Edgewood

Colonial Beach

College Park

Bethesda

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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Nearby airports

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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 $676

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

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

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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.?

What is the cheapest time of 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

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Seoul Gimpo Intl Airport to Washington, D.C.

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

Why use momondo?

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.

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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.

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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Popular flights according to clicks in the last 7 days on momondo

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