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Cheap flights from Seoul to Washington, D.C. from $437

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 4/29. 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

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Air Canada Logo
5:45 pm - 12:01 pm
ICN
-
DCA
31h 16m
2 stops
Air Canada Logo
12:45 pm - 4:05 pm
DCA
-
ICN
38h 20m
2 stops
$659Air Canada
Fri, May 15 - Mon, Jun 1
Air Canada Logo
7:05 pm - 8:53 am
ICN
-
DCA
26h 48m
1 stop
Air Canada Logo
12:45 pm - 4:05 pm
DCA
-
ICN
38h 20m
2 stops
$678Air Canada
Fri, May 15 - Mon, Jun 1
Air Canada Logo
7:05 pm - 6:13 pm
ICN
-
DCA
36h 08m
1 stop
Air Canada Logo
6:59 am - 5:30 pm
DCA
-
ICN
21h 31m
1 stop
$696Air Canada
Fri, May 15 - Mon, Jun 1
Air Canada Logo
6:55 pm - 5:05 pm
ICN
-
DCA
36h 10m
2 stops
Air Canada Logo
12:45 pm - 4:05 pm
DCA
-
ICN
38h 20m
2 stops
$702Air Canada
Sat, Mar 7 - Mon, May 11
American Airlines Logo
7:15 pm - 1:59 pm
ICN
-
DCA
32h 44m
2 stops
American Airlines Logo
6:30 am - 3:55 pm
DCA
-
ICN
20h 25m
1 stop
$802American Airlines
Fri, Mar 6 - Mon, Mar 9
American Airlines Logo
7:15 pm - 7:44 am
ICN
-
DCA
26h 29m
2 stops
American Airlines Logo
6:30 am - 4:45 pm
DCA
-
ICN
20h 15m
1 stop
$806American Airlines
Thu, Feb 19 - Wed, Mar 4
Japan Airlines Logo
7:15 pm - 11:00 pm
ICN
-
DCA
17h 45m
1 stop
Japan Airlines Logo
6:30 am - 3:55 pm
DCA
-
ICN
20h 25m
1 stop
$831Japan Airlines
Tue, Mar 3 - Tue, Mar 10
Japan Airlines Logo
8:00 am - 3:45 pm
GMP
-
DCA
20h 45m
2 stops
Japan Airlines Logo
5:45 pm - 10:55 am
DCA
-
GMP
27h 10m
2 stops
$1,205Japan Airlines
Tue, May 12 - Tue, Nov 3
Multiple Airlines Logo
12:05 pm - 8:57 pm
GMP
-
DCA
22h 52m
2 stops
Multiple Airlines Logo
8:51 am - 10:05 pm
DCA
-
GMP
23h 14m
2 stops
$1,307Multiple Airlines
Thu, Feb 19 - Wed, Mar 4
Multiple Airlines Logo
12:05 pm - 8:41 pm
GMP
-
DCA
22h 36m
2 stops
Multiple Airlines Logo
6:45 am - 10:05 pm
DCA
-
GMP
25h 20m
2 stops
$1,354Multiple Airlines
Thu, Feb 19 - Wed, Mar 4

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
May 15
ICN5:45 pmIncheon Intl
31h 16m
2 stops
DCA12:01 pmWashington, D.C. Reagan-National
Jun 1
DCA12:45 pmWashington, D.C. Reagan-National
38h 20m
2 stops
ICN4:05 pmIncheon Intl
$659
Air Canada
May 15
ICN7:05 pmIncheon Intl
26h 48m
1 stop
DCA8:53 amWashington, D.C. Reagan-National
Jun 1
DCA12:45 pmWashington, D.C. Reagan-National
38h 20m
2 stops
ICN4:05 pmIncheon Intl
$678
Air Canada
May 15
ICN7:05 pmIncheon Intl
36h 08m
1 stop
DCA6:13 pmWashington, D.C. Reagan-National
Jun 1
DCA6:59 amWashington, D.C. Reagan-National
21h 31m
1 stop
ICN5:30 pmIncheon Intl
$696

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
Mar 3
ICN7:15 pmIncheon Intl
17h 45m
1 stop
DCA11:00 pmWashington, D.C. Reagan-National
Mar 10
DCA6:30 amWashington, D.C. Reagan-National
20h 25m
1 stop
ICN3:55 pmIncheon Intl
$831
Japan Airlines
May 12
GMP8:00 amSeoul Gimpo Intl
20h 45m
2 stops
DCA3:45 pmWashington, D.C. Reagan-National
Nov 3
DCA5:45 pmWashington, D.C. Reagan-National
27h 10m
2 stops
GMP10:55 amSeoul Gimpo Intl
$1,205
Japan Airlines
Mar 26
GMP8:00 amSeoul Gimpo Intl
21h 37m
2 stops
DCA4:37 pmWashington, D.C. Reagan-National
Apr 7
DCA9:32 amWashington, D.C. Reagan-National
22h 43m
2 stops
GMP9:15 pmSeoul Gimpo Intl
$1,248

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 February 4, 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

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Fri 5/15

5:45 pm-12:01 pm

2 stops31h 16m

Washington, D.C. Reagan-National

Mon 6/1

12:45 pm-4:05 pm

2 stops38h 20m

$659

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Fri 5/15

7:05 pm-8:53 am

1 stop26h 48m

Washington, D.C. Reagan-National

Mon 6/1

12:45 pm-4:05 pm

2 stops38h 20m

$678

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Fri 5/15

7:05 pm-6:13 pm

1 stop36h 08m

Washington, D.C. Reagan-National

Mon 6/1

6:59 am-5:30 pm

1 stop21h 31m

$696

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Sat 3/7

6:55 pm-5:05 pm

2 stops36h 10m

Washington, D.C. Reagan-National

Mon 5/11

12:45 pm-4:05 pm

2 stops38h 20m

$702

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Fri 3/6

7:15 pm-1:59 pm

2 stops32h 44m

Washington, D.C. Reagan-National

Mon 3/9

6:30 am-3:55 pm

1 stop20h 25m

$802

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Thu 2/19

7:15 pm-7:44 am

2 stops26h 29m

Washington, D.C. Reagan-National

Wed 3/4

6:30 am-4:45 pm

1 stop20h 15m

$806

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Tue 3/3

7:15 pm-11:00 pm

1 stop17h 45m

Washington, D.C. Reagan-National

Tue 3/10

6:30 am-3:55 pm

1 stop20h 25m

$831

SeoulWashington, D.C.

GMP - DCA

GMPDCA

Seoul Gimpo Intl

Tue 5/12

8:00 am-3:45 pm

2 stops20h 45m

Washington, D.C. Reagan-National

Tue 11/3

5:45 pm-10:55 am

2 stops27h 10m

$1,205

SeoulWashington, D.C.

GMP - DCA

GMPDCA

Seoul Gimpo Intl

Thu 2/19

12:05 pm-8:57 pm

2 stops22h 52m

Washington, D.C. Reagan-National

Wed 3/4

8:51 am-10:05 pm

2 stops23h 14m

$1,307

SeoulWashington, D.C.

GMP - DCA

GMPDCA

Seoul Gimpo Intl

Thu 2/19

12:05 pm-8:41 pm

2 stops22h 36m

Washington, D.C. Reagan-National

Wed 3/4

6:45 am-10:05 pm

2 stops25h 20m

$1,354

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 54% 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

18h 08m

Direct flights

None
The fastest flight from Seoul to Washington, D.C. Reagan-National Airport takes 18h 08m
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

  • 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 18h 08m.

  • 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
Gettysburg
Arlington
Waldorf
Woodbridge
Tysons
Laurel
Colonial Beach
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.?

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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