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Cheap flights from Seoul to Washington, D.C. from $670

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 9/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
6:55 pm - 10:21 am
ICN
-
DCA
29h 26m
2 stops
Air Canada Logo
11:00 am - 5:10 pm
DCA
-
ICN
40h 10m
2 stops
$885Air Canada
Thu, Dec 17 - Tue, Feb 23
Air Canada Logo
6:55 pm - 10:21 am
ICN
-
DCA
29h 26m
2 stops
Air Canada Logo
11:00 am - 5:10 pm
DCA
-
ICN
40h 10m
2 stops
$893Air Canada
Thu, Dec 17 - Tue, Feb 23
Air Canada Logo
5:45 pm - 8:55 am
ICN
-
DCA
28h 10m
2 stops
Air Canada Logo
6:55 pm - 4:05 pm
DCA
-
ICN
32h 10m
2 stops
$894Air Canada
Thu, Oct 15 - Sat, Oct 17
Air Canada Logo
6:55 pm - 10:21 am
ICN
-
DCA
29h 26m
2 stops
Air Canada Logo
6:59 am - 6:25 pm
DCA
-
ICN
21h 26m
1 stop
$918Air Canada
Thu, Dec 17 - Tue, Feb 23
Air Canada Logo
5:45 pm - 12:00 pm
ICN
-
DCA
31h 15m
2 stops
Air Canada Logo
12:55 pm - 4:10 pm
DCA
-
ICN
38h 15m
2 stops
$924Air Canada
Fri, Oct 23 - Mon, Oct 26
Air Canada Logo
6:55 pm - 10:21 am
ICN
-
DCA
29h 26m
2 stops
Air Canada Logo
6:59 am - 6:25 pm
DCA
-
ICN
21h 26m
1 stop
$926Air Canada
Thu, Dec 17 - Tue, Feb 23
Air Canada Logo
5:45 pm - 12:00 pm
ICN
-
DCA
31h 15m
2 stops
Air Canada Logo
12:55 pm - 4:10 pm
DCA
-
ICN
38h 15m
2 stops
$928Air Canada
Fri, Oct 23 - Mon, Oct 26
Air Canada Logo
5:45 pm - 12:00 pm
ICN
-
DCA
55h 15m
2 stops
Air Canada Logo
12:40 pm - 4:05 pm
DCA
-
ICN
38h 25m
2 stops
$936Air Canada
Sun, Sep 20 - Sun, Oct 18
Japan Airlines Logo
8:00 am - 11:31 pm
GMP
-
DCA
28h 31m
2 stops
Japan Airlines Logo
6:30 am - 9:15 pm
DCA
-
GMP
25h 45m
2 stops
$1,437Japan Airlines
Fri, Jul 10 - Fri, Jul 24
Japan Airlines Logo
8:00 am - 11:31 pm
GMP
-
DCA
28h 31m
2 stops
Japan Airlines Logo
6:30 am - 9:15 pm
DCA
-
GMP
25h 45m
2 stops
$1,452Japan Airlines
Fri, Jul 10 - Fri, Jul 24

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Air Canada flights from Seoul to Washington, D.C. Reagan-National Airport

Our best Air Canada deals on Seoul to Washington, D.C. Reagan-National Airport flight tickets
Air Canada
Dec 17
ICN6:55 pmIncheon Intl
29h 26m
2 stops
DCA10:21 amWashington, D.C. Reagan-National
Feb 23
DCA11:00 amWashington, D.C. Reagan-National
40h 10m
2 stops
ICN5:10 pmIncheon Intl
$885
Air Canada
Dec 17
ICN6:55 pmIncheon Intl
29h 26m
2 stops
DCA10:21 amWashington, D.C. Reagan-National
Feb 23
DCA11:00 amWashington, D.C. Reagan-National
40h 10m
2 stops
ICN5:10 pmIncheon Intl
$893
Air Canada
Oct 15
ICN5:45 pmIncheon Intl
28h 10m
2 stops
DCA8:55 amWashington, D.C. Reagan-National
Oct 17
DCA6:55 pmWashington, D.C. Reagan-National
32h 10m
2 stops
ICN4:05 pmIncheon Intl
$894

Japan Airlines flights from Seoul to Washington, D.C. Reagan-National Airport

Our best Japan Airlines deals on Seoul to Washington, D.C. Reagan-National Airport flight tickets
Japan Airlines
Jul 10
GMP8:00 amSeoul Gimpo Intl
28h 31m
2 stops
DCA11:31 pmWashington, D.C. Reagan-National
Jul 24
DCA6:30 amWashington, D.C. Reagan-National
25h 45m
2 stops
GMP9:15 pmSeoul Gimpo Intl
$1,437
Japan Airlines
Jul 10
GMP8:00 amSeoul Gimpo Intl
28h 31m
2 stops
DCA11:31 pmWashington, D.C. Reagan-National
Jul 24
DCA6:30 amWashington, D.C. Reagan-National
25h 45m
2 stops
GMP9:15 pmSeoul Gimpo Intl
$1,452
Japan Airlines
Jul 8
GMP8:00 amSeoul Gimpo Intl
28h 31m
2 stops
DCA11:31 pmWashington, D.C. Reagan-National
Jul 12
DCA7:25 pmWashington, D.C. Reagan-National
36h 50m
2 stops
GMP9:15 pmSeoul Gimpo Intl
$1,458

momondo Fare Finder

 
Customize your flight search to find flights from Seoul to Washington, D.C. Reagan-National Airport 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 June 24, 2026.
Use the filters below to find and compare flights from Seoul to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Thu 12/17

6:55 pm-10:21 am

2 stops29h 26m

Washington, D.C. Reagan-National

Tue 2/23

11:00 am-5:10 pm

2 stops40h 10m

$885

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Thu 12/17

6:55 pm-10:21 am

2 stops29h 26m

Washington, D.C. Reagan-National

Tue 2/23

11:00 am-5:10 pm

2 stops40h 10m

$893

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Thu 10/15

5:45 pm-8:55 am

2 stops28h 10m

Washington, D.C. Reagan-National

Sat 10/17

6:55 pm-4:05 pm

2 stops32h 10m

$894
Quickest round-trip

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Thu 12/17

6:55 pm-10:21 am

2 stops29h 26m

Washington, D.C. Reagan-National

Tue 2/23

6:59 am-6:25 pm

1 stop21h 26m

$918

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Fri 10/23

5:45 pm-12:00 pm

2 stops31h 15m

Washington, D.C. Reagan-National

Mon 10/26

12:55 pm-4:10 pm

2 stops38h 15m

$924

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Thu 12/17

6:55 pm-10:21 am

2 stops29h 26m

Washington, D.C. Reagan-National

Tue 2/23

6:59 am-6:25 pm

1 stop21h 26m

$926

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Fri 10/23

5:45 pm-12:00 pm

2 stops31h 15m

Washington, D.C. Reagan-National

Mon 10/26

12:55 pm-4:10 pm

2 stops38h 15m

$928

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Sun 9/20

5:45 pm-12:00 pm

2 stops55h 15m

Washington, D.C. Reagan-National

Sun 10/18

12:40 pm-4:05 pm

2 stops38h 25m

$936

SeoulWashington, D.C.

GMP - DCA

GMPDCA

Seoul Gimpo Intl

Fri 7/10

8:00 am-11:31 pm

2 stops28h 31m

Washington, D.C. Reagan-National

Fri 7/24

6:30 am-9:15 pm

2 stops25h 45m

$1,437

SeoulWashington, D.C.

GMP - DCA

GMPDCA

Seoul Gimpo Intl

Fri 7/10

8:00 am-11:31 pm

2 stops28h 31m

Washington, D.C. Reagan-National

Fri 7/24

6:30 am-9:15 pm

2 stops25h 45m

$1,452

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. Reagan-National Airport

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

Can stopping save me money on Seoul to Washington, D.C. Reagan-National Airport flights?

You could potentially save up to 14% on your flight if you consider stops on a Seoul to Washington, D.C. Reagan-National Airport flight.

When to book flights from Seoul to Washington, D.C. Reagan-National Airport

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

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

Fastest flight time

17h 44m

Direct flights

None
The fastest flight from Seoul to Washington, D.C. Reagan-National Airport takes 17h 44m
There are no direct flights from Seoul to Washington, D.C. Reagan-National Airport. There are no popular flight routes from Seoul to Washington, D.C. Reagan-National Airport.
Search flight deals

Frequently asked questions about flying from Seoul to Washington, D.C. Reagan-National Airport

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

    Washington, D.C. Reagan-National is 6936.4 mi away from Seoul. By plane, this route typically takes 17h 44m.

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

    Prices for flights from Seoul to Washington, D.C. Reagan-National Airport are refreshed on a daily basis.

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Seoul to Washington, D.C. Reagan-National Airport.

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

    The travel and health documents you'll need for your trip to Washington, D.C. Reagan-National Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington, D.C. Reagan-National Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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
Colonial Beach
Linthicum Heights
Rockville
Silver Spring
Towson
Manassas
Tysons
Springfield
Fairfax
Bethesda
Glen Burnie

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 enables you to select and highlight flights to Washington, D.C. from Seoul with this policy.

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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