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Cheap flights from Seoul to Washington, D.C. from $375

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 9/2. 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

Air Canada Logo
6:00 pm - 10:20 amICN-DCA
29h 20m1 stop
Air Canada Logo
4:35 pm - 4:15 pmDCA-ICN
34h 40m1 stop
$490Air Canada
Find Deal
vie., sep. 12 - mié., sep. 24
Air Canada Logo
6:00 pm - 9:51 pmICN-DCA
16h 51m1 stop
Air Canada Logo
4:35 pm - 4:15 pmDCA-ICN
34h 40m1 stop
$506Air Canada
Find Deal
mié., sep. 17 - mié., oct. 22
Air Canada Logo
6:00 pm - 9:51 pmICN-DCA
16h 51m1 stop
Air Canada Logo
4:35 pm - 4:15 pmDCA-ICN
34h 40m1 stop
$508Air Canada
Find Deal
mié., sep. 17 - mié., oct. 22
Air Canada Logo
6:00 pm - 10:20 amICN-DCA
29h 20m1 stop
Air Canada Logo
9:40 am - 4:15 pmDCA-ICN
17h 35m1 stop
$516Air Canada
Find Deal
vie., sep. 12 - jue., sep. 25
United Airlines Logo
11:30 am - 5:31 pmICN-BWI
19h 01m1 stop
United Airlines Logo
7:00 pm - 4:20 amBWI-ICN
20h 20m1 stop
$552United Airlines
Find Deal
jue., sep. 11 - mié., sep. 24
United Airlines Logo
11:30 am - 6:52 pmICN-IAD
20h 22m1 stop
United Airlines Logo
5:20 pm - 4:20 amIAD-ICN
22h 00m1 stop
$552United Airlines
Find Deal
jue., sep. 11 - mié., sep. 24
Delta Logo
6:40 pm - 11:47 pmICN-BWI
18h 07m1 stop
Delta Logo
7:15 am - 3:20 pmBWI-ICN
19h 05m1 stop
$778Delta
Find Deal
jue., ago. 28 - jue., sep. 4
Delta Logo
7:30 pm - 11:47 pmICN-BWI
18h 17m1 stop
Delta Logo
6:02 am - 4:30 pmBWI-ICN
20h 28m2 stops
$781Delta
Find Deal
mar., dic. 16 - jue., ene. 1
Korean Air Logo
6:50 pm - 12:41 amICN-BWI
18h 51m1 stop
Korean Air Logo
9:00 am - 5:25 pmBWI-ICN
19h 25m1 stop
$806Korean Air
Find Deal
lun., oct. 6 - mar., oct. 14
Asiana Airlines Logo
8:55 pm - 5:48 amICN-BWI
21h 53m1 stop
Asiana Airlines Logo
7:37 pm - 5:55 pmBWI-ICN
33h 18m1 stop
$850Asiana Airlines
Find Deal
vie., ago. 22 - dom., sep. 21

Delta flights from Seoul to Washington, D.C.

Our best Delta deals on Seoul to Washington, D.C. flight tickets
Delta
Aug 28
ICN6:40 pmIncheon Intl
18h 07m
1 stop
BWI11:47 pmBaltimore/Washington
Sep 4
BWI7:15 amBaltimore/Washington
19h 05m
1 stop
ICN3:20 pmIncheon Intl
$778
Find similar
Delta
Dec 16
ICN7:30 pmIncheon Intl
18h 17m
1 stop
BWI11:47 pmBaltimore/Washington
Jan 1
BWI6:02 amBaltimore/Washington
20h 28m
2 stops
ICN4:30 pmIncheon Intl
$781
Find similar
Delta
Dec 18
ICN5:50 pmIncheon Intl
20h 22m
1 stop
BWI12:12 amBaltimore/Washington
Jan 1
BWI6:02 amBaltimore/Washington
20h 28m
2 stops
ICN4:30 pmIncheon Intl
$790
Find similar

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

Our best Korean Air deals on Seoul to Washington, D.C. flight tickets
Korean Air
Oct 6
ICN6:50 pmIncheon Intl
18h 51m
1 stop
BWI12:41 amBaltimore/Washington
Oct 14
BWI9:00 amBaltimore/Washington
19h 25m
1 stop
ICN5:25 pmIncheon Intl
$806
Find similar
Korean Air
Aug 6
ICN6:50 pmIncheon Intl
19h 04m
1 stop
BWI12:54 amBaltimore/Washington
Aug 27
BWI5:40 amBaltimore/Washington
19h 30m
1 stop
ICN2:10 pmIncheon Intl
$1,155
Find similar
Korean Air
Aug 5
ICN6:40 pmIncheon Intl
18h 19m
1 stop
BWI11:59 pmBaltimore/Washington
Aug 25
BWI6:25 pmBaltimore/Washington
20h 35m
1 stop
ICN4:00 amIncheon Intl
$1,273
Find similar

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 julio 31, 2025.
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

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

vie. 9/12

6:00 pm-10:20 am

1 stop29h 20m

Washington, D.C. Reagan-National

mié. 9/24

4:35 pm-4:15 pm

1 stop34h 40m

$490

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

mié. 9/17

6:00 pm-9:51 pm

1 stop16h 51m

Washington, D.C. Reagan-National

mié. 10/22

4:35 pm-4:15 pm

1 stop34h 40m

$506

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

mié. 9/17

6:00 pm-9:51 pm

1 stop16h 51m

Washington, D.C. Reagan-National

mié. 10/22

4:35 pm-4:15 pm

1 stop34h 40m

$508

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

vie. 9/12

6:00 pm-10:20 am

1 stop29h 20m

Washington, D.C. Reagan-National

jue. 9/25

9:40 am-4:15 pm

1 stop17h 35m

$516

IncheonBaltimore

ICN - BWI

ICNBWI

Incheon Intl

jue. 9/11

11:30 am-5:31 pm

1 stop19h 01m

Baltimore/Washington

mié. 9/24

7:00 pm-4:20 am

1 stop20h 20m

$552

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

jue. 9/11

11:30 am-6:52 pm

1 stop20h 22m

Washington, D.C. Dulles Intl

mié. 9/24

5:20 pm-4:20 am

1 stop22h 00m

$552

IncheonBaltimore

ICN - BWI

ICNBWI

Incheon Intl

jue. 8/28

6:40 pm-11:47 pm

1 stop18h 07m

Baltimore/Washington

jue. 9/4

7:15 am-3:20 pm

1 stop19h 05m

$778

IncheonBaltimore

ICN - BWI

ICNBWI

Incheon Intl

mar. 12/16

7:30 pm-11:47 pm

1 stop18h 17m

Baltimore/Washington

jue. 1/1

6:02 am-4:30 pm

2 stops20h 28m

$781

IncheonBaltimore

ICN - BWI

ICNBWI

Incheon Intl

lun. 10/6

6:50 pm-12:41 am

1 stop18h 51m

Baltimore/Washington

mar. 10/14

9:00 am-5:25 pm

1 stop19h 25m

$806

IncheonBaltimore

ICN - BWI

ICNBWI

Incheon Intl

vie. 8/22

8:55 pm-5:48 am

1 stop21h 53m

Baltimore/Washington

dom. 9/21

7:37 pm-5:55 pm

1 stop33h 18m

$850

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 Saturday. momondo users have found tickets for Saturday departures for as low as $1,418. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Wednesday, the most expensive travel day of the week, you can expect to see flight prices from Seoul to Washington, D.C. for around $1,576.

What is the cheapest time of day to depart on your flight to Washington, D.C.?

In the afternoon is the cheapest time of day to fly from Seoul to Washington, D.C. when you can find flight prices for as low as $919. Flying to Washington, D.C. in the afternoon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the morning because they tend to be around $1,513. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

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 34% 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?

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

$375

Fastest flight time

16h 29m

Direct flights

Every day

Airports in Washington, D.C.

3 airports
The best one-way flight to Washington, D.C. from Seoul in the past 72 hours is $375. The best round-trip flight deal from Seoul to Washington, D.C. found on momondo in the last 72 hours is $490.
The fastest flight from Seoul to Washington, D.C. takes 16h 29m
Direct flights go from Seoul to Washington, D.C. every day.
There are 3 airports near Washington, D.C.: Washington, D.C. Reagan-National (DCA), Baltimore/Washington (BWI), Washington, D.C. Dulles Intl (IAD)
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  • 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 16h 29m.

  • 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 $688Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Air CanadaPriceFrom $688Free CancellationRating
7.1
9,851 reviews
Search Air Canada flights
United AirlinesPriceFrom $724Free CancellationRating
7.4
8,900 reviews
Search United Airlines flights
DeltaPriceFrom $882Free CancellationRating
8.0
7,981 reviews
Search Delta flights
Korean AirPriceFrom $1,127Free CancellationRating
8.4
1,121 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 $1,127. Generally, Korean Air has 7 flights on this route every week with an average price of $1,403. 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 (8.0/10, 7,981 ratings). Delta flies from Seoul to Washington, D.C. around 7 times per week, with deals starting from $882 round-trip and rising to an average price of around $1,543.

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

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

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