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Cheap flights from Seoul to Washington, D.C. from $414

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seoul to Washington, D.C. departing on 5/31. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
9:00 pm - 6:04 pm
ICN
-
BWI
34h 04m
1 stop
Multiple Airlines Logo
7:04 pm - 5:15 am
BWI
-
ICN
21h 11m
1 stop
$770Multiple Airlines
Mon, Mar 23 - Mon, Mar 30
American Airlines Logo
7:15 pm - 8:30 pm
ICN
-
IAD
39h 15m
2 stops
American Airlines Logo
6:00 am - 3:55 pm
IAD
-
ICN
20h 55m
1 stop
$785American Airlines
Tue, Feb 24 - Thu, Mar 19
United Airlines Logo
11:45 am - 6:19 am
ICN
-
BWI
32h 34m
1 stop
United Airlines Logo
6:05 am - 4:20 am
BWI
-
ICN
33h 15m
1 stop
$814United Airlines
Sun, Mar 8 - Wed, Apr 15
United Airlines Logo
12:45 pm - 5:20 pm
ICN
-
BWI
18h 35m
1 stop
United Airlines Logo
6:31 pm - 4:40 am
BWI
-
ICN
21h 09m
1 stop
$815United Airlines
Sat, Feb 28 - Tue, Mar 10
Air Canada Logo
5:45 pm - 8:52 am
ICN
-
DCA
28h 07m
2 stops
Air Canada Logo
4:20 pm - 4:05 pm
DCA
-
ICN
34h 45m
2 stops
$895Air Canada
Wed, Jul 1 - Wed, Jul 29
Air Canada Logo
6:55 pm - 10:21 am
ICN
-
DCA
29h 26m
2 stops
Air Canada Logo
6:50 pm - 5:10 pm
DCA
-
ICN
32h 20m
2 stops
$928Air Canada
Tue, Feb 24 - Thu, Mar 5
ANA Logo
7:50 pm - 9:10 am
GMP
-
IAD
27h 20m
1 stop
ANA Logo
12:15 pm - 10:30 pm
IAD
-
GMP
21h 15m
1 stop
$1,071ANA
Tue, Mar 3 - Tue, Mar 10
ANA Logo
7:55 pm - 10:05 am
GMP
-
IAD
27h 10m
1 stop
ANA Logo
12:15 pm - 10:20 pm
IAD
-
GMP
21h 05m
1 stop
$1,101ANA
Wed, Jul 1 - Wed, Jul 29
Japan Airlines Logo
8:00 am - 10:29 pm
GMP
-
DCA
27h 29m
2 stops
Japan Airlines Logo
6:00 am - 9:15 pm
DCA
-
GMP
26h 15m
2 stops
$1,197Japan Airlines
Wed, Apr 22 - Thu, Apr 23
Japan Airlines Logo
8:00 am - 10:15 pm
GMP
-
DCA
27h 15m
2 stops
Japan Airlines Logo
6:00 am - 9:15 pm
DCA
-
GMP
26h 15m
2 stops
$1,214Japan Airlines
Mon, Apr 20 - Thu, Apr 23

American Airlines flights from Seoul to Washington, D.C.

Our best American Airlines deals on Seoul to Washington, D.C. flight tickets
American Airlines
Feb 9
ICN7:15 pmIncheon Intl
28h 04m
2 stops
BWI9:19 amBaltimore/Washington
Feb 12
BWI5:00 amBaltimore/Washington
21h 45m
2 stops
ICN4:45 pmIncheon Intl
$736
American Airlines
Feb 24
ICN7:15 pmIncheon Intl
39h 15m
2 stops
IAD8:30 pmWashington, D.C. Dulles Intl
Mar 19
IAD6:00 amWashington, D.C. Dulles Intl
20h 55m
1 stop
ICN3:55 pmIncheon Intl
$785
American Airlines
Feb 24
ICN7:15 pmIncheon Intl
26h 08m
2 stops
DCA7:23 amWashington, D.C. Reagan-National
Mar 5
DCA6:30 amWashington, D.C. Reagan-National
20h 15m
1 stop
ICN4:45 pmIncheon Intl
$790

Air China flights from Seoul to Washington, D.C.

Our best Air China deals on Seoul to Washington, D.C. flight tickets
Air China
Mar 24
GMP8:40 amSeoul Gimpo Intl
23h 50m
1 stop
IAD7:30 pmWashington, D.C. Dulles Intl
Mar 31
IAD11:00 pmWashington, D.C. Dulles Intl
25h 05m
1 stop
GMP1:05 pmSeoul Gimpo Intl
$2,004
Air China
Feb 13
GMP8:40 amSeoul Gimpo Intl
23h 50m
1 stop
IAD6:30 pmWashington, D.C. Dulles Intl
Feb 17
IAD10:00 pmWashington, D.C. Dulles Intl
25h 05m
1 stop
GMP1:05 pmSeoul Gimpo Intl
$2,587

momondo Fare Finder

 
Customize your flight search to find flights from Seoul to Washington, D.C. that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated February 9, 2026.
Use the filters below to find and compare flights from Seoul to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

IncheonBaltimore

ICN - BWI

ICNBWI

Incheon Intl

Mon 3/23

9:00 pm-6:04 pm

1 stop34h 04m

Baltimore/Washington

Mon 3/30

7:04 pm-5:15 am

1 stop21h 11m

$770

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Tue 2/24

7:15 pm-8:30 pm

2 stops39h 15m

Washington, D.C. Dulles Intl

Thu 3/19

6:00 am-3:55 pm

1 stop20h 55m

$785

IncheonBaltimore

ICN - BWI

ICNBWI

Incheon Intl

Sun 3/8

11:45 am-6:19 am

1 stop32h 34m

Baltimore/Washington

Wed 4/15

6:05 am-4:20 am

1 stop33h 15m

$814

IncheonBaltimore

ICN - BWI

ICNBWI

Incheon Intl

Sat 2/28

12:45 pm-5:20 pm

1 stop18h 35m

Baltimore/Washington

Tue 3/10

6:31 pm-4:40 am

1 stop21h 09m

$815

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Wed 7/1

5:45 pm-8:52 am

2 stops28h 07m

Washington, D.C. Reagan-National

Wed 7/29

4:20 pm-4:05 pm

2 stops34h 45m

$895

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Tue 2/24

6:55 pm-10:21 am

2 stops29h 26m

Washington, D.C. Reagan-National

Thu 3/5

6:50 pm-5:10 pm

2 stops32h 20m

$928

SeoulWashington, D.C.

GMP - IAD

GMPIAD

Seoul Gimpo Intl

Tue 3/3

7:50 pm-9:10 am

1 stop27h 20m

Washington, D.C. Dulles Intl

Tue 3/10

12:15 pm-10:30 pm

1 stop21h 15m

$1,071

SeoulWashington, D.C.

GMP - IAD

GMPIAD

Seoul Gimpo Intl

Wed 7/1

7:55 pm-10:05 am

1 stop27h 10m

Washington, D.C. Dulles Intl

Wed 7/29

12:15 pm-10:20 pm

1 stop21h 05m

$1,101

SeoulWashington, D.C.

GMP - DCA

GMPDCA

Seoul Gimpo Intl

Wed 4/22

8:00 am-10:29 pm

2 stops27h 29m

Washington, D.C. Reagan-National

Thu 4/23

6:00 am-9:15 pm

2 stops26h 15m

$1,197

SeoulWashington, D.C.

GMP - DCA

GMPDCA

Seoul Gimpo Intl

Mon 4/20

8:00 am-10:15 pm

2 stops27h 15m

Washington, D.C. Reagan-National

Thu 4/23

6:00 am-9:15 pm

2 stops26h 15m

$1,214

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Seoul 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 typical price of a round-trip flight between Seoul and Washington, D.C.?

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 is on a Sunday. momondo users have found tickets for Sunday departures for as low as $1,334. 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 to Washington, D.C. for around $1,671.

What is the cheapest Seoul to Washington, D.C. flight route?

Fly from Incheon Intl to Washington, D.C. Dulles Intl for the best Seoul - Washington, D.C. flight prices

How far in advance should I book a flight to Washington, D.C.?

You are more likely to see cheaper flights to Washington, D.C. from Seoul when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. for around $1,249 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. from Seoul for as low as $1,006 on momondo.

What cabin class options are available on Seoul to Washington, D.C. flights?

There are 4 cabin classes available to choose from on Seoul to Washington, D.C. flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

You could potentially save up to 43% on your flight if you consider stops on a Seoul to Washington, D.C. flight.

How have Seoul to Washington, D.C. flight prices changed over time?

As of February 2026, prices for Seoul to Washington, D.C. flights are approximately 160% more expensive when compared to flights at the same time last year.

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

Are you open to changing your travel dates? Check out the ideal times to fly from Seoul 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 to Washington, D.C. (SEL to WAS) flight deals and tips

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

Best Price Found

$801

Fastest flight time

13h 35m

Direct flights

Every day

Airports in Washington, D.C.

2 airports
The best one-way flight to Washington, D.C. from Seoul in the past 72 hours is $801. The best round-trip flight deal from Seoul to Washington, D.C. found on momondo in the last 72 hours is $1,198.
The fastest flight from Seoul to Washington, D.C. takes 13h 35m
Direct flights go from Seoul to Washington, D.C. every day.
There are 2 airports in Washington, D.C.. From Seoul there are direct flights to Washington, D.C. Dulles Intl (IAD).
Search flight deals

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

    A flight from Seoul to Washington, D.C. will travel around 6932.9 mi. By plane, this route typically takes 13h 35m.

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

    Prices for flights from Seoul to Washington, D.C. refresh daily.

  • How many operators does momondo search for flights from Seoul to Washington, D.C.?

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Seoul to Washington, D.C..

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

    The required travel and health documents for your Washington, D.C. trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington, D.C.. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Seoul to Washington, D.C.?

  • What is the most popular airline from Seoul to Washington, D.C.?

Best airlines flying from Seoul to Washington, D.C.

Compare and see reviews for airlines that fly from Seoul to Washington, D.C. with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $501Free CancellationRating
7.2
11,258 reviews
Search American Airlines flights
United AirlinesPriceFrom $508Free CancellationRating
7.4
9,259 reviews
Search United Airlines flights
DeltaPriceFrom $649Free CancellationRating
7.9
8,174 reviews
Search Delta flights
Air CanadaPriceFrom $727Free CancellationRating
7.1
10,698 reviews
Search Air Canada flights
Korean AirPriceFrom $1,128Free CancellationRating
8.4
1,189 reviews
Search Korean Air flights

  • Korean Air Flights From Seoul to Washington, D.C.

    The lowest priced Korean Air flight from Seoul to Washington, D.C. from the last 72 hours was $1,128. Generally, Korean Air has 7 flights on this route every week with an average price of $1,412. Korean Air is rated 8.4/10 by our users.

  • Delta Flights From Seoul to Washington, D.C.

    Another popular option for Seoul to Washington, D.C. flights is Delta (7.9/10, 8,174 ratings). Delta flies from Seoul to Washington, D.C. around 7 times per week, with deals starting from $649 round-trip and rising to an average price of around $1,533.

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

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Waldorf
Woodbridge
Laurel
Colonial Beach
Tysons
Silver Spring
Towson
Fredericksburg
Gaithersburg
Rockville
Manassas
Springfield
Fairfax
Linthicum Heights
Bethesda
Glen Burnie

Why use momondo?

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

It is quick and easy to find Seoul to Washington, D.C. flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Washington, D.C. that suits you.

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

All flight searches from Seoul to Washington, D.C. on momondo can be filtered to show those which offer flexible booking policies.

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

Once all potential Seoul to Washington, D.C. flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes. momondo can track prices for Seoul to Washington, D.C. flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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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.
Washington, D.C. Reagan-National Airport
Washington, D.C. Dulles Intl Airport