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Cheap flights from Seoul to Washington, D.C. from $361

This is the cheapest round-trip 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 11/7. 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
6:55 pm - 12:19 pmICN-DCA
55h 24m2 stops
Air Canada Logo
6:59 am - 5:10 pmDCA-ICN
44h 11m2 stops
$361Air Canada
Find Deal
vie., nov. 7 - vie., nov. 21
Air Canada Logo
5:45 pm - 9:38 amICN-IAD
28h 53m2 stops
Air Canada Logo
4:25 pm - 5:10 pmIAD-ICN
34h 45m2 stops
$362Air Canada
Find Deal
vie., oct. 24 - dom., nov. 9
American Airlines Logo
7:15 pm - 11:07 pmICN-IAD
41h 52m2 stops
American Airlines Logo
5:27 pm - 4:45 pmIAD-ICN
33h 18m1 stop
$493American Airlines
Find Deal
dom., nov. 2 - sáb., nov. 8
United Airlines Logo
12:45 pm - 11:00 pmICN-BWI
24h 15m2 stops
United Airlines Logo
6:28 pm - 5:40 amBWI-ICN
21h 12m1 stop
$503United Airlines
Find Deal
mié., dic. 3 - dom., dic. 7
United Airlines Logo
4:50 pm - 11:51 pmICN-IAD
20h 01m2 stops
United Airlines Logo
10:05 pm - 4:20 amIAD-ICN
41h 15m1 stop
$503United Airlines
Find Deal
lun., oct. 6 - lun., oct. 20
American Airlines Logo
7:15 pm - 10:19 amICN-IAD
29h 04m2 stops
American Airlines Logo
1:58 pm - 4:45 pmIAD-ICN
36h 47m2 stops
$506American Airlines
Find Deal
dom., nov. 2 - sáb., nov. 8
Multiple Airlines Logo
6:20 pm - 12:23 amICN-IAD
19h 03m1 stop
Multiple Airlines Logo
6:25 am - 5:55 pmIAD-ICN
22h 30m1 stop
$625Multiple Airlines
Find Deal
sáb., oct. 18 - jue., oct. 23
Multiple Airlines Logo
9:00 pm - 10:38 amICN-BWI
26h 38m2 stops
Multiple Airlines Logo
12:32 pm - 5:20 amBWI-ICN
26h 48m2 stops
$673Multiple Airlines
Find Deal
jue., oct. 30 - jue., nov. 6
Delta Logo
6:40 pm - 12:41 amICN-BWI
19h 01m2 stops
Delta Logo
6:00 am - 5:20 pmBWI-ICN
22h 20m2 stops
$779Delta
Find Deal
lun., oct. 6 - mié., oct. 22
Delta Logo
8:05 pm - 11:50 pmICN-BWI
40h 45m2 stops
Delta Logo
6:19 am - 3:30 pmBWI-ICN
20h 11m1 stop
$782Delta
Find Deal
vie., mar. 13 - mar., mar. 17

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

Our best Air Canada deals on Seoul to Washington, D.C. flight tickets
Air Canada
Nov 7
ICN6:55 pmIncheon Intl
55h 24m
2 stops
DCA12:19 pmWashington, D.C. Reagan-National
Nov 21
DCA6:59 amWashington, D.C. Reagan-National
44h 11m
2 stops
ICN5:10 pmIncheon Intl
$361
Find similar
Air Canada
Oct 24
ICN5:45 pmIncheon Intl
28h 53m
2 stops
IAD9:38 amWashington, D.C. Dulles Intl
Nov 9
IAD4:25 pmWashington, D.C. Dulles Intl
34h 45m
2 stops
ICN5:10 pmIncheon Intl
$362
Find similar
Air Canada
Oct 24
ICN5:45 pmIncheon Intl
28h 53m
2 stops
IAD9:38 amWashington, D.C. Dulles Intl
Nov 9
IAD9:00 amWashington, D.C. Dulles Intl
19h 25m
1 stop
ICN6:25 pmIncheon Intl
$380
Find similar

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

Our best American Airlines deals on Seoul to Washington, D.C. flight tickets
American Airlines
Sep 21
ICN5:25 pmIncheon Intl
27h 05m
2 stops
DCA7:30 amWashington, D.C. Reagan-National
Sep 24
DCA5:00 amWashington, D.C. Reagan-National
21h 30m
1 stop
ICN3:30 pmIncheon Intl
$492
Find similar
American Airlines
Nov 2
ICN7:15 pmIncheon Intl
41h 52m
2 stops
IAD11:07 pmWashington, D.C. Dulles Intl
Nov 8
IAD5:27 pmWashington, D.C. Dulles Intl
33h 18m
1 stop
ICN4:45 pmIncheon Intl
$493
Find similar
American Airlines
Sep 21
ICN5:25 pmIncheon Intl
18h 23m
1 stop
IAD10:48 pmWashington, D.C. Dulles Intl
Sep 24
IAD6:25 amWashington, D.C. Dulles Intl
20h 05m
1 stop
ICN3:30 pmIncheon Intl
$501
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 septiembre 17, 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. 11/7

6:55 pm-12:19 pm

2 stops55h 24m

Washington, D.C. Reagan-National

vie. 11/21

6:59 am-5:10 pm

2 stops44h 11m

$361

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

vie. 10/24

5:45 pm-9:38 am

2 stops28h 53m

Washington, D.C. Dulles Intl

dom. 11/9

4:25 pm-5:10 pm

2 stops34h 45m

$362

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

dom. 11/2

7:15 pm-11:07 pm

2 stops41h 52m

Washington, D.C. Dulles Intl

sáb. 11/8

5:27 pm-4:45 pm

1 stop33h 18m

$493

IncheonBaltimore

ICN - BWI

ICNBWI

Incheon Intl

mié. 12/3

12:45 pm-11:00 pm

2 stops24h 15m

Baltimore/Washington

dom. 12/7

6:28 pm-5:40 am

1 stop21h 12m

$503

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

lun. 10/6

4:50 pm-11:51 pm

2 stops20h 01m

Washington, D.C. Dulles Intl

lun. 10/20

10:05 pm-4:20 am

1 stop41h 15m

$503

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

dom. 11/2

7:15 pm-10:19 am

2 stops29h 04m

Washington, D.C. Dulles Intl

sáb. 11/8

1:58 pm-4:45 pm

2 stops36h 47m

$506

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

sáb. 10/18

6:20 pm-12:23 am

1 stop19h 03m

Washington, D.C. Dulles Intl

jue. 10/23

6:25 am-5:55 pm

1 stop22h 30m

$625

IncheonBaltimore

ICN - BWI

ICNBWI

Incheon Intl

jue. 10/30

9:00 pm-10:38 am

2 stops26h 38m

Baltimore/Washington

jue. 11/6

12:32 pm-5:20 am

2 stops26h 48m

$673

IncheonBaltimore

ICN - BWI

ICNBWI

Incheon Intl

lun. 10/6

6:40 pm-12:41 am

2 stops19h 01m

Baltimore/Washington

mié. 10/22

6:00 am-5:20 pm

2 stops22h 20m

$779

IncheonBaltimore

ICN - BWI

ICNBWI

Incheon Intl

vie. 3/13

8:05 pm-11:50 pm

2 stops40h 45m

Baltimore/Washington

mar. 3/17

6:19 am-3:30 pm

1 stop20h 11m

$782

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 $1,371. 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 $1,648.

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 $1,524. 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

How far in advance should I book a flight 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 $1,356 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 $954 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?

You could potentially save up to 15% 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

$1,105

Fastest flight time

13h 30m

Direct flights

Every day

Airports in Washington, D.C.

1 airport
The best one-way flight to Washington, D.C. from Seoul in the past 72 hours is $1,105. The best round-trip flight deal from Seoul to Washington, D.C. found on momondo in the last 72 hours is $1,526.
The fastest flight from Seoul to Washington, D.C. takes 13h 30m
Direct flights go from Seoul to Washington, D.C. every day.
There is 1 airport near Washington, D.C.: 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 17h 36m.

  • 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 $590Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $649Free CancellationRating
7.9
7,961 reviews
Search Delta flights
United AirlinesPriceFrom $676Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
Air CanadaPriceFrom $688Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
Korean AirPriceFrom $1,184Free CancellationRating
8.4
1,140 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 $1,184. Generally, Korean Air has 7 flights on this route every week with an average price of $1,404. 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 (7.9/10, 7,961 ratings). Delta flies from Seoul to Washington, D.C. around 7 times per week, with deals starting from $649 round-trip and rising to an average price of around $1,516.

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
National Harbor
Arlington
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Towson
Rockville
Manassas
Reston
Fairfax
Glen Burnie
Gaithersburg
Springfield
Linthicum Heights

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.

An easier way to manage your Washington, D.C. trip

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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