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Cheap flights from Seoul to Washington, D.C. from $532

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 9/9. 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 - 9:59 pmICN  Incheon Intl-DCA Washington, D.C. Reagan-National
41h 04m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
6:00 am - 5:10 pmDCA  Washington, D.C. Reagan-National-ICN Incheon Intl
45h 10m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl
$664Air Canada
Fri, Nov 13 - Thu, Nov 19
Air Canada Logo
6:55 pm - 9:59 pmICN  Incheon Intl-DCA Washington, D.C. Reagan-National
41h 04m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
11:05 am - 5:10 pmDCA  Washington, D.C. Reagan-National-ICN Incheon Intl
40h 05m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl
$668Air Canada
Thu, Dec 17 - Tue, Feb 23
Air Canada Logo
6:55 pm - 8:58 amICN  Incheon Intl-DCA Washington, D.C. Reagan-National
28h 03m2 stops Vancouver Intl Toronto Pearson Intl
Air Canada Logo
4:00 pm - 5:10 pmDCA  Washington, D.C. Reagan-National-ICN Incheon Intl
35h 10m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl
$676Air Canada
Wed, Dec 23 - Tue, Feb 2
Air Canada Logo
6:55 pm - 12:19 pmICN  Incheon Intl-DCA Washington, D.C. Reagan-National
31h 24m2 stops Vancouver Intl Ottawa
Air Canada Logo
8:45 pm - 6:25 pmDCA  Washington, D.C. Reagan-National-ICN Incheon Intl
31h 40m1 stop Toronto Pearson Intl
$677Air Canada
Fri, Nov 13 - Thu, Nov 19
Air Canada Logo
6:55 pm - 8:58 amICN  Incheon Intl-DCA Washington, D.C. Reagan-National
28h 03m2 stops Vancouver Intl Toronto Pearson Intl
Air Canada Logo
8:45 pm - 5:10 pmDCA  Washington, D.C. Reagan-National-ICN Incheon Intl
30h 25m2 stops Toronto Pearson Intl Vancouver Intl
$678Air Canada
Mon, Dec 21 - Mon, Feb 15
Air Canada Logo
6:55 pm - 8:58 amICN  Incheon Intl-DCA Washington, D.C. Reagan-National
28h 03m2 stops Vancouver Intl Toronto Pearson Intl
Air Canada Logo
8:45 pm - 5:10 pmDCA  Washington, D.C. Reagan-National-ICN Incheon Intl
30h 25m2 stops Toronto Pearson Intl Vancouver Intl
$678Air Canada
Sat, Jan 30 - Sun, Feb 7
Air Canada Logo
6:55 pm - 9:59 pmICN  Incheon Intl-DCA Washington, D.C. Reagan-National
41h 04m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
6:59 am - 6:25 pmDCA  Washington, D.C. Reagan-National-ICN Incheon Intl
21h 26m1 stop Toronto Pearson Intl
$695Air Canada
Thu, Dec 17 - Tue, Feb 23
Air Canada Logo
5:45 pm - 8:55 amICN  Incheon Intl-DCA Washington, D.C. Reagan-National
28h 10m2 stops Vancouver Intl Toronto Pearson Intl
Air Canada Logo
6:55 pm - 4:05 pmDCA  Washington, D.C. Reagan-National-ICN Incheon Intl
32h 10m2 stops Toronto Pearson Intl Vancouver Intl
$697Air Canada
Fri, Oct 9 - Sat, Oct 17
Air Canada Logo
8:10 pm - 8:58 amICN  Incheon Intl-DCA Washington, D.C. Reagan-National
26h 48m1 stop Toronto Pearson Intl
Air Canada Logo
4:00 pm - 5:10 pmDCA  Washington, D.C. Reagan-National-ICN Incheon Intl
35h 10m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl
$698Air Canada
Wed, Dec 23 - Tue, Feb 2
Air Canada Logo
6:55 pm - 8:58 amICN  Incheon Intl-DCA Washington, D.C. Reagan-National
28h 03m2 stops Vancouver Intl Toronto Pearson Intl
Air Canada Logo
8:45 pm - 6:25 pmDCA  Washington, D.C. Reagan-National-ICN Incheon Intl
31h 40m1 stop Toronto Pearson Intl
$699Air Canada
Sat, Jan 30 - Sun, Feb 7

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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
Nov 13
ICN6:55 pmIncheon Intl
41h 04m
2 stops
DCA9:59 pmWashington, D.C. Reagan-National
Nov 19
DCA6:00 amWashington, D.C. Reagan-National
45h 10m
2 stops
ICN5:10 pmIncheon Intl
$664
Air Canada
Dec 17
ICN6:55 pmIncheon Intl
41h 04m
2 stops
DCA9:59 pmWashington, D.C. Reagan-National
Feb 23
DCA11:05 amWashington, D.C. Reagan-National
40h 05m
2 stops
ICN5:10 pmIncheon Intl
$668
Air Canada
Dec 23
ICN6:55 pmIncheon Intl
28h 03m
2 stops
DCA8:58 amWashington, D.C. Reagan-National
Feb 2
DCA4:00 pmWashington, D.C. Reagan-National
35h 10m
2 stops
ICN5:10 pmIncheon Intl
$676

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
Sep 7
GMP8:00 amSeoul Gimpo Intl
21h 29m
2 stops
DCA4:29 pmWashington, D.C. Reagan-National
Sep 21
DCA6:00 amWashington, D.C. Reagan-National
22h 55m
2 stops
GMP5:55 pmSeoul Gimpo Intl
$1,191
Japan Airlines
Sep 12
GMP8:00 amSeoul Gimpo Intl
27h 59m
2 stops
DCA10:59 pmWashington, D.C. Reagan-National
Sep 17
DCA8:40 amWashington, D.C. Reagan-National
23h 35m
2 stops
GMP9:15 pmSeoul Gimpo Intl
$1,392
Japan Airlines
Nov 19
GMP8:00 amSeoul Gimpo Intl
49h 15m
2 stops
DCA7:15 pmWashington, D.C. Reagan-National
Nov 23
DCA5:12 pmWashington, D.C. Reagan-National
35h 08m
2 stops
GMP6:20 pmSeoul Gimpo Intl
$1,403

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 August 7, 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 Incheon Intl - DCA Washington, D.C. Reagan-National

ICNDCA

Incheon Intl

Fri 11/13

6:55 pm-9:59 pm

2 stops41h 04m

Washington, D.C. Reagan-National

Thu 11/19

6:00 am-5:10 pm

2 stops45h 10m

$664

IncheonWashington, D.C.

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

ICNDCA

Incheon Intl

Thu 12/17

6:55 pm-9:59 pm

2 stops41h 04m

Washington, D.C. Reagan-National

Tue 2/23

11:05 am-5:10 pm

2 stops40h 05m

$668

IncheonWashington, D.C.

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

ICNDCA

Incheon Intl

Wed 12/23

6:55 pm-8:58 am

2 stops28h 03m

Washington, D.C. Reagan-National

Tue 2/2

4:00 pm-5:10 pm

2 stops35h 10m

$676

IncheonWashington, D.C.

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

ICNDCA

Incheon Intl

Fri 11/13

6:55 pm-12:19 pm

2 stops31h 24m

Washington, D.C. Reagan-National

Thu 11/19

8:45 pm-6:25 pm

1 stop31h 40m

$677
Quickest round-trip

IncheonWashington, D.C.

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

ICNDCA

Incheon Intl

Mon 12/21

6:55 pm-8:58 am

2 stops28h 03m

Washington, D.C. Reagan-National

Mon 2/15

8:45 pm-5:10 pm

2 stops30h 25m

$678

IncheonWashington, D.C.

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

ICNDCA

Incheon Intl

Sat 1/30

6:55 pm-8:58 am

2 stops28h 03m

Washington, D.C. Reagan-National

Sun 2/7

8:45 pm-5:10 pm

2 stops30h 25m

$678

IncheonWashington, D.C.

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

ICNDCA

Incheon Intl

Thu 12/17

6:55 pm-9:59 pm

2 stops41h 04m

Washington, D.C. Reagan-National

Tue 2/23

6:59 am-6:25 pm

1 stop21h 26m

$695

IncheonWashington, D.C.

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

ICNDCA

Incheon Intl

Fri 10/9

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

$697

IncheonWashington, D.C.

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

ICNDCA

Incheon Intl

Wed 12/23

8:10 pm-8:58 am

1 stop26h 48m

Washington, D.C. Reagan-National

Tue 2/2

4:00 pm-5:10 pm

2 stops35h 10m

$698

IncheonWashington, D.C.

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

ICNDCA

Incheon Intl

Sat 1/30

6:55 pm-8:58 am

2 stops28h 03m

Washington, D.C. Reagan-National

Sun 2/7

8:45 pm-6:25 pm

1 stop31h 40m

$699

Flights are sorted by cheapest round-trip flights 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 22% 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 11m

Direct flights

None
The fastest flight from Seoul to Washington, D.C. Reagan-National Airport takes 18h 11m
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 18h 11m.

  • 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
Linthicum Heights
Rockville
Silver Spring
Towson
Colonial Beach
Springfield
Fairfax
Tysons
Edgewood
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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