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GMP - WAS

Find cheap flights from Seoul Gimpo Intl to Washington, D.C. from $641

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Seoul to Washington, D.C. departing on 5/12. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Sun 5/19
Sun 5/26

Search hundreds of travel sites at once for deals on flights to Washington, D.C.

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Seoul to Washington, D.C., as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Seoul to Washington, D.C., as well as popular online travel agencies
In the last 7 days travelers have searched 44,212,662 times on KAYAK, and here is why:

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Cheap flight deals from Seoul to Washington, D.C. (GMP-WAS)

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Seoul to Washington, D.C. that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices and deals for you by selecting your travel dates.
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7:55 pm - 10:35 amGMP-IAD
27h 40m1 stop
11:05 am - 10:30 pmIAD-GMP
21h 25m1 stop
$1,019ANA
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Tue, Oct 15 - Mon, Jan 6
7:55 pm - 10:35 amGMP-IAD
27h 40m1 stop
12:15 pm - 10:20 pmIAD-GMP
21h 05m1 stop
$1,024ANA
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Wed, Sep 11 - Wed, Sep 18
12:05 pm - 11:19 pmGMP-DCA
24h 14m2 stops
9:59 am - 10:00 pmDCA-GMP
23h 01m2 stops
$1,031Japan Airlines
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Mon, Sep 30 - Sun, Oct 20
12:40 pm - 10:35 amGMP-IAD
34h 55m1 stop
12:15 pm - 11:05 amIAD-GMP
33h 50m1 stop
$1,032ANA
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Thu, Oct 10 - Mon, Oct 14
7:55 pm - 10:35 amGMP-IAD
27h 40m1 stop
12:15 pm - 10:20 pmIAD-GMP
21h 05m1 stop
$1,035ANA
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Thu, Oct 10 - Mon, Oct 14
12:05 pm - 11:19 pmGMP-DCA
24h 14m2 stops
9:59 am - 10:00 pmDCA-GMP
23h 01m2 stops
$1,166Japan Airlines
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Thu, Aug 29 - Sun, Sep 1
7:55 am - 11:37 pmGMP-IAD
28h 42m2 stops
6:00 am - 10:00 pmIAD-GMP
27h 00m2 stops
$1,243
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Wed, May 22 - Fri, Jun 14
7:55 am - 11:37 pmGMP-IAD
28h 42m3 stops
6:00 am - 10:00 pmIAD-GMP
27h 00m2 stops
$1,247
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Wed, May 22 - Fri, Jun 14
2:20 pm - 3:10 pmGMP-IAD
37h 50m1 stop
5:35 pm - 1:00 pmIAD-GMP
30h 25m2 stops
$1,755Air China
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Mon, Apr 29 - Sat, Jun 1
2:20 pm - 3:10 pmGMP-IAD
37h 50m1 stop
5:35 pm - 1:00 pmIAD-GMP
30h 25m2 stops
$2,002Air China
Find Deal
Fri, Aug 2 - Sat, Aug 24

Flights from Seoul to Washington, D.C. - Travel Insights & Trends

Get data-powered insights and trends into flights from Seoul to Washington, D.C. to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly from Seoul Gimpo Intl Airport to Washington, D.C.?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Seoul Gimpo Intl Airport to Washington, D.C., removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from Seoul Gimpo Intl Airport to Washington, D.C. is February, where tickets cost $996 on average. On the other hand, the most expensive months are August and July, where the average cost of tickets is $2,901 and $1,975 respectively.

How far in advance should I book a flight from Seoul Gimpo Intl Airport to Washington, D.C.?

To calculate daily average prices, KAYAK takes all prices for each day before departure over the last year for flights from Seoul Gimpo Intl Airport to Washington, D.C., removes the top 0.1% to account for outliers, and then takes the average of all the values for each month.
To get a below average price on the flight from Seoul Gimpo Intl Airport to Washington, D.C., you should book around 3 days before departure. For the absolute cheapest price, our data suggests you should book 85 days before departure.

Which airlines provide the cheapest flights from Seoul to Washington, D.C.?

The cheapest price for the route for each airline clicked by KAYAK users in the last 72 hours.
In the last 72 hours, the cheapest one-way ticket from Seoul to Washington, D.C. found on KAYAK was with Japan Airlines for $699. ANA proposed a round-trip connection from $1,019 and Japan Airlines from $1,031.

When to book flights from Seoul to Washington, D.C.

Are your dates flexible? Find out the best times to travel from Seoul to Washington, D.C. based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Seoul Gimpo Intl to Washington, D.C. flights

  • What is the cheapest flight from Seoul Gimpo Intl Airport to Washington, D.C.?

    In the last 3 days, the lowest price for a flight from Seoul Gimpo Intl Airport to Washington, D.C. was $641 for a one-way ticket and $1,019 for a round-trip.

  • Do I need a passport to fly between Seoul and Washington, D.C.?

    A passport is required to fly from Seoul to Washington, D.C..

  • Which aircraft models fly most regularly from Seoul to Washington, D.C.?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Seoul to Washington, D.C.?

    oneworld, and Star Alliance are the airline alliances operating flights between Seoul and Washington, D.C., with Star Alliance being the most commonly used for this route.

  • How does KAYAK find such low prices on flights from Seoul to Washington, D.C.?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Seoul to Washington, D.C..

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Seoul to Washington, D.C.?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Washington, D.C. from Seoul is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Seoul to Washington, D.C.?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Washington, D.C. with an airline and back to Seoul with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Seoul to Washington, D.C.?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Washington, D.C. from Seoul up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Book cheap flights from Seoul to Washington, D.C.

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from Seoul to Washington, D.C. found on KAYAK in the last 72 hours.
5/12Sun
3 stops
59h 35mGMP-IAD
$641
10/12Sat
2 stopsJapan Airlines
24h 14mGMP-DCA
$699
5/20Mon
2 stopsJapan Airlines
21h 33mGMP-DCA
$717
8/29Thu
2 stopsJapan Airlines
19h 29mGMP-DCA
$728
6/4Tue
2 stopsJapan Airlines
21h 33mGMP-DCA
$737
6/19Wed
2 stops
32h 20mGMP-IAD
$768
5/20Mon
1 stopAir China
37h 50mGMP-IAD
$1,027
7/1Mon
1 stopAir China
37h 50mGMP-IAD
$1,133
5/12Sun
1 stopANA
27h 40mGMP-IAD
$1,299
6/19Wed
1 stopANA
27h 40mGMP-IAD
$1,303

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Last minute flights from Seoul to Washington, D.C.

Last minute flight, train and bus deals

 
These last-minute flight deals are the cheapest flights found on KAYAK in the last 72 hours for flights from Seoul to Washington, D.C. that are departing in the next 10 days.
4/23Tue
multi-stopJapan Airlines
26h 02mGMP-DCA
5/29Wed
multi-stopJapan Airlines
44h 40mDCA-GMP
$1,453
4/23Tue
multi-stopJapan Airlines
26h 02mGMP-DCA
5/30Thu
multi-stopJapan Airlines
23h 01mDCA-GMP
$1,563
4/23Tue
multi-stopANA
27h 40mGMP-IAD
5/29Wed
multi-stopANA
21h 05mIAD-GMP
$1,582
4/23Tue
multi-stopANA
27h 40mGMP-IAD
5/30Thu
multi-stopANA
21h 05mIAD-GMP
$1,667
4/23Tue
multi-stopANA
26h 21mGMP-IAD
5/29Wed
multi-stopANA
21h 05mIAD-GMP
$1,743
4/24Wed
multi-stopANA
34h 55mGMP-IAD
5/13Mon
multi-stopANA
33h 50mIAD-GMP
$1,964
4/24Wed
multi-stopANA
36h 48mGMP-IAD
5/13Mon
multi-stopANA
21h 05mIAD-GMP
$2,083
4/20Sat
multi-stopJapan Airlines
19h 27mGMP-DCA
5/3Fri
multi-stopJapan Airlines
26h 16mDCA-GMP
$2,639
4/23Tue
multi-stopANA
27h 40mGMP-IAD
5/30Thu
multi-stopANA
40h 30mIAD-GMP
$2,757
4/24Wed
multi-stop
34h 55mGMP-IAD
5/12Sun
multi-stop
23h 55mIAD-GMP
$2,859

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Seoul - Washington, D.C. Flights

Departure:

Seoul Gimpo Intl (GMP)South Korea

Return flight deals:

Washington, D.C. - Seoul Gimpo Intl

Cabin classes: