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Cheap flights from Seoul to Washington, D.C. from $489

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

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

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
11:30 am - 7:05 pmICN  Incheon Intl-IAD Washington, D.C. Dulles Intl
20h 35m1 stop San Francisco
United Airlines Logo
10:41 pm - 3:20 pmIAD  Washington, D.C. Dulles Intl-ICN Incheon Intl
27h 39m1 stop Newark
$703United Airlines
Sun, Sep 6 - Sun, Sep 6
American Airlines Logo
5:50 pm - 8:59 amICN  Incheon Intl-DCA Washington, D.C. Reagan-National
28h 09m1 stop Dallas/Fort Worth
American Airlines Logo
10:24 pm - 3:45 pmDCA  Washington, D.C. Reagan-National-ICN Incheon Intl
28h 21m2 stops New York LaGuardia Dallas/Fort Worth
$708American Airlines
Mon, Sep 28 - Tue, Sep 29
United Airlines Logo
11:30 am - 4:43 pmICN  Incheon Intl-DCA Washington, D.C. Reagan-National
18h 13m1 stop San Francisco
United Airlines Logo
8:20 pm - 3:20 pmDCA  Washington, D.C. Reagan-National-ICN Incheon Intl
30h 00m1 stop Newark
$708United Airlines
Sun, Sep 6 - Sun, Sep 6
American Airlines Logo
5:50 pm - 8:58 amICN  Incheon Intl-DCA Washington, D.C. Reagan-National
28h 08m1 stop Dallas/Fort Worth
American Airlines Logo
5:01 pm - 3:45 pmDCA  Washington, D.C. Reagan-National-ICN Incheon Intl
33h 44m2 stops Chicago O'Hare Intl Dallas/Fort Worth
$878American Airlines
Wed, Oct 14 - Sun, Oct 18
British Airways Logo
5:50 pm - 10:55 pmICN  Incheon Intl-DCA Washington, D.C. Reagan-National
18h 05m1 stop Dallas/Fort Worth
British Airways Logo
8:30 pm - 3:45 pmDCA  Washington, D.C. Reagan-National-ICN Incheon Intl
30h 15m2 stops Atlanta Hartsfield-Jackson Dallas/Fort Worth
$879British Airways
Mon, Oct 5 - Mon, Oct 12
British Airways Logo
5:50 pm - 11:23 pmICN  Incheon Intl-IAD Washington, D.C. Dulles Intl
18h 33m1 stop Dallas/Fort Worth
British Airways Logo
6:42 am - 3:45 pmIAD  Washington, D.C. Dulles Intl-ICN Incheon Intl
20h 03m1 stop Dallas/Fort Worth
$884British Airways
Mon, Oct 5 - Mon, Oct 12
AIR PREMIA Logo
10:00 am - 10:50 amICN  Incheon Intl-IAD Washington, D.C. Dulles Intl
13h 50mnonstop
AIR PREMIA Logo
1:20 pm - 5:55 pmIAD  Washington, D.C. Dulles Intl-ICN Incheon Intl
15h 35mnonstop
$1,048AIR PREMIA
Wed, Sep 16 - Wed, Sep 23
AIR PREMIA Logo
10:00 am - 10:50 amICN  Incheon Intl-IAD Washington, D.C. Dulles Intl
13h 50mnonstop
AIR PREMIA Logo
1:20 pm - 5:55 pmIAD  Washington, D.C. Dulles Intl-ICN Incheon Intl
15h 35mnonstop
$1,058AIR PREMIA
Sun, Oct 11 - Fri, Oct 16
Delta Logo
7:30 pm - 11:52 amICN  Incheon Intl-IAD Washington, D.C. Dulles Intl
30h 22m1 stop New York John F Kennedy Intl
Delta Logo
11:50 am - 5:40 pmIAD  Washington, D.C. Dulles Intl-ICN Incheon Intl
15h 50mnonstop
$1,295Delta
Fri, Nov 27 - Sun, Jan 31
Delta Logo
7:30 pm - 11:50 amICN  Incheon Intl-IAD Washington, D.C. Dulles Intl
29h 20m1 stop New York John F Kennedy Intl
Delta Logo
1:15 pm - 5:40 pmIAD  Washington, D.C. Dulles Intl-ICN Incheon Intl
15h 25mnonstop
$1,295Delta
Tue, Oct 13 - Tue, Oct 20

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

Our best American Airlines deals on Seoul to Washington, D.C. flight tickets
American Airlines
Oct 14
ICN5:50 pmIncheon Intl
33h 28m
1 stop
IAD2:18 pmWashington, D.C. Dulles Intl
Oct 18
IAD3:08 pmWashington, D.C. Dulles Intl
35h 37m
1 stop
ICN3:45 pmIncheon Intl
$878
American Airlines
Oct 14
ICN5:50 pmIncheon Intl
33h 28m
1 stop
IAD2:18 pmWashington, D.C. Dulles Intl
Oct 18
IAD3:08 pmWashington, D.C. Dulles Intl
35h 37m
1 stop
ICN3:45 pmIncheon Intl
$879
American Airlines
Dec 3
ICN6:50 pmIncheon Intl
30h 11m
1 stop
BWI11:01 amBaltimore/Washington
Dec 8
BWI11:51 amBaltimore/Washington
38h 34m
1 stop
ICN4:25 pmIncheon Intl
$880

ANA flights from Seoul to Washington, D.C.

Our best ANA deals on Seoul to Washington, D.C. flight tickets
ANA
Sep 16
GMP7:55 pmSeoul Gimpo Intl
27h 10m
1 stop
IAD10:05 amWashington, D.C. Dulles Intl
Sep 21
IAD12:15 pmWashington, D.C. Dulles Intl
21h 05m
1 stop
GMP10:20 pmSeoul Gimpo Intl
$1,333
ANA
Sep 16
GMP7:55 pmSeoul Gimpo Intl
27h 10m
1 stop
IAD10:05 amWashington, D.C. Dulles Intl
Sep 21
IAD12:15 pmWashington, D.C. Dulles Intl
21h 05m
1 stop
GMP10:20 pmSeoul Gimpo Intl
$1,336
ANA
Dec 16
GMP12:25 pmSeoul Gimpo Intl
34h 45m
1 stop
IAD9:10 amWashington, D.C. Dulles Intl
Jan 6
IAD11:10 amWashington, D.C. Dulles Intl
21h 20m
1 stop
GMP10:30 pmSeoul Gimpo Intl
$1,340

momondo Fare Finder

 
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

Cheapest round-trip

IncheonWashington, D.C.

ICN Incheon Intl - IAD Washington, D.C. Dulles Intl

ICNIAD

Incheon Intl

Sun 9/6

11:30 am-7:05 pm

1 stop20h 35m

Washington, D.C. Dulles Intl

Sun 9/6

10:41 pm-3:20 pm

1 stop27h 39m

$703

IncheonWashington, D.C.

ICN Incheon Intl - DCA Washington, D.C. Reagan-National

ICNDCA

Incheon Intl

Mon 9/28

5:50 pm-8:59 am

1 stop28h 09m

Washington, D.C. Reagan-National

Tue 9/29

10:24 pm-3:45 pm

2 stops28h 21m

$708

IncheonWashington, D.C.

ICN Incheon Intl - DCA Washington, D.C. Reagan-National

ICNDCA

Incheon Intl

Sun 9/6

11:30 am-4:43 pm

1 stop18h 13m

Washington, D.C. Reagan-National

Sun 9/6

8:20 pm-3:20 pm

1 stop30h 00m

$708

IncheonWashington, D.C.

ICN Incheon Intl - DCA Washington, D.C. Reagan-National

ICNDCA

Incheon Intl

Wed 10/14

5:50 pm-8:58 am

1 stop28h 08m

Washington, D.C. Reagan-National

Sun 10/18

5:01 pm-3:45 pm

2 stops33h 44m

$878

IncheonWashington, D.C.

ICN Incheon Intl - DCA Washington, D.C. Reagan-National

ICNDCA

Incheon Intl

Mon 10/5

5:50 pm-10:55 pm

1 stop18h 05m

Washington, D.C. Reagan-National

Mon 10/12

8:30 pm-3:45 pm

2 stops30h 15m

$879

IncheonWashington, D.C.

ICN Incheon Intl - IAD Washington, D.C. Dulles Intl

ICNIAD

Incheon Intl

Mon 10/5

5:50 pm-11:23 pm

1 stop18h 33m

Washington, D.C. Dulles Intl

Mon 10/12

6:42 am-3:45 pm

1 stop20h 03m

$884
Quickest round-trip

IncheonWashington, D.C.

ICN Incheon Intl - IAD Washington, D.C. Dulles Intl

ICNIAD

Incheon Intl

Wed 9/16

10:00 am-10:50 am

Nonstop13h 50m

Washington, D.C. Dulles Intl

Wed 9/23

1:20 pm-5:55 pm

Nonstop15h 35m

$1,048

IncheonWashington, D.C.

ICN Incheon Intl - IAD Washington, D.C. Dulles Intl

ICNIAD

Incheon Intl

Sun 10/11

10:00 am-10:50 am

Nonstop13h 50m

Washington, D.C. Dulles Intl

Fri 10/16

1:20 pm-5:55 pm

Nonstop15h 35m

$1,058

IncheonWashington, D.C.

ICN Incheon Intl - IAD Washington, D.C. Dulles Intl

ICNIAD

Incheon Intl

Fri 11/27

7:30 pm-11:52 am

1 stop30h 22m

Washington, D.C. Dulles Intl

Sun 1/31

11:50 am-5:40 pm

Nonstop15h 50m

$1,295

IncheonWashington, D.C.

ICN Incheon Intl - IAD Washington, D.C. Dulles Intl

ICNIAD

Incheon Intl

Tue 10/13

7:30 pm-11:50 am

1 stop29h 20m

Washington, D.C. Dulles Intl

Tue 10/20

1:15 pm-5:40 pm

Nonstop15h 25m

$1,295

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.?

Prices are currently low for flights on this route.

Typical prices usually range from $814 to $1,326.
The lowest price recently found on this route was $703.

What is the cheapest month to fly to Washington, D.C.?

The month of November is, on average, the cheapest month to fly to Washington, D.C. from Seoul, with most prices found around $546. If you’re not able to fly to Washington, D.C. in November, then October is your next best option. Flight prices from Seoul to Washington, D.C. during October average around $858.

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 Friday. momondo users have found tickets for Friday departures for as low as $1,258. 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 to Washington, D.C. for around $1,811.

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 from Seoul 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 $1,316 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 $989 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?

No. A direct flight is the cheapest option for a flight between Seoul to Washington, D.C..

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

As of August 2026, prices for Seoul to Washington, D.C. flights are approximately 33% cheaper 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

$489

Fastest flight time

13h 30m

Direct flights

Mon, Tue, Thu and Sat

Airports in Washington, D.C.

2 airports
The best one-way flight to Washington, D.C. from Seoul in the past 72 hours is $489. The best round-trip flight deal from Seoul to Washington, D.C. found on momondo in the last 72 hours is $703.
The fastest flight from Seoul to Washington, D.C. takes 13h 30m
Direct flights go from Seoul to Washington, D.C. on Monday, Tuesday, Thursday and Saturday. The only airline offering direct flights is AIR PREMIA.
There are 2 airports in Washington, D.C.. From Seoul there are direct flights to Washington, D.C. Dulles Intl (IAD).
Search flight deals

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

  • 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 30m.

  • 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 $478Free CancellationRating
7.1
11,989 reviews
Search American Airlines flights
United AirlinesPriceFrom $494Free CancellationRating
7.4
10,109 reviews
Search United Airlines flights
AIR PREMIAPriceFrom $915Free CancellationRating
8.1
103 reviews
Search AIR PREMIA flights
DeltaPriceFrom $1,254Free CancellationRating
7.8
8,519 reviews
Search Delta flights
Korean AirPriceFrom $1,260Free CancellationRating
8.4
1,221 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 $1,260. Generally, Korean Air has 7 flights on this route every week with an average price of $1,648. Korean Air is rated 8.4/10 by our users.

  • AIR PREMIA Flights From Seoul to Washington, D.C.

    Another popular option for Seoul to Washington, D.C. flights is AIR PREMIA (8.1/10, 103 ratings). AIR PREMIA flies from Seoul to Washington, D.C. around 4 times per week, with deals starting from $915 round-trip and rising to an average price of around $1,171.

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
Arlington
Gettysburg
Waldorf
Laurel
Woodbridge
Fredericksburg
Gaithersburg
Linthicum Heights
Rockville
Silver Spring
Towson
Springfield
Colonial Beach
Fairfax
Edgewood
Tysons
College Park
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.

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