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Cheap flights from Seoul to Washington, D.C. from $336

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 12/2. 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

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Air Canada Logo
8:10 pm - 3:46 pmICN-IAD
33h 36m1 stop
Air Canada Logo
4:30 pm - 5:10 pmIAD-ICN
34h 40m2 stops
$372Air Canada
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Thu, Nov 20 - Thu, Dec 4
Air Canada Logo
8:10 pm - 3:46 pmICN-IAD
33h 36m1 stop
Air Canada Logo
4:30 pm - 6:25 pmIAD-ICN
35h 55m1 stop
$385Air Canada
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Thu, Nov 20 - Thu, Dec 4
Multiple Airlines Logo
5:55 pm - 11:39 amICN-IAD
31h 44m2 stops
Multiple Airlines Logo
9:45 am - 10:25 pmIAD-ICN
22h 40m2 stops
$448Multiple Airlines
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Fri, Dec 12 - Sun, Jan 4
Hawaiian Airlines Logo
8:35 pm - 5:55 pmICN-IAD
34h 20m1 stop
Hawaiian Airlines Logo
7:00 am - 6:35 pmIAD-ICN
22h 35m1 stop
$466Hawaiian Airlines
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Mon, Mar 9 - Thu, Mar 19
United Airlines Logo
6:00 pm - 9:08 pmICN-BWI
41h 08m2 stops
United Airlines Logo
6:25 pm - 5:40 amBWI-ICN
21h 15m1 stop
$497United Airlines
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Mon, Dec 15 - Fri, Feb 27
United Airlines Logo
6:00 pm - 12:59 amICN-IAD
20h 59m1 stop
United Airlines Logo
2:12 pm - 5:40 amIAD-ICN
25h 28m2 stops
$497United Airlines
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Tue, Feb 10 - Wed, Feb 25
Delta Logo
8:05 pm - 5:58 amICN-BWI
23h 53m2 stops
Delta Logo
6:00 am - 4:30 pmBWI-ICN
20h 30m2 stops
$623Delta
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Thu, Nov 20 - Thu, Dec 4
Delta Logo
7:30 pm - 12:45 amICN-BWI
19h 15m2 stops
Delta Logo
6:05 am - 4:30 pmBWI-ICN
20h 25m2 stops
$624Delta
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Tue, Feb 10 - Mon, Feb 23
Multiple Airlines Logo
1:20 pm - 9:36 amICN-BWI
34h 16m2 stops
Multiple Airlines Logo
10:27 am - 4:20 pmBWI-ICN
39h 53m2 stops
$658Multiple Airlines
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Thu, Nov 20 - Thu, Dec 4
Hawaiian Airlines Logo
8:35 pm - 4:26 pmICN-IAD
33h 51m1 stop
Hawaiian Airlines Logo
6:55 pm - 6:35 pmIAD-ICN
33h 40m1 stop
$683Hawaiian Airlines
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Mon, Feb 2 - Fri, Feb 20

Delta flights from Seoul to Washington, D.C.

Our best Delta deals on Seoul to Washington, D.C. flight tickets
Delta
Nov 20
ICN8:05 pmIncheon Intl
23h 53m
2 stops
BWI5:58 amBaltimore/Washington
Dec 4
BWI6:00 amBaltimore/Washington
20h 30m
2 stops
ICN4:30 pmIncheon Intl
$623
Find similar
Delta
Feb 10
ICN7:30 pmIncheon Intl
19h 15m
2 stops
BWI12:45 amBaltimore/Washington
Feb 23
BWI6:05 amBaltimore/Washington
20h 25m
2 stops
ICN4:30 pmIncheon Intl
$624
Find similar
Delta
Nov 19
ICN7:30 pmIncheon Intl
18h 19m
1 stop
BWI11:49 pmBaltimore/Washington
Dec 3
BWI6:00 amBaltimore/Washington
19h 30m
1 stop
ICN3:30 pmIncheon Intl
$625
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United Airlines flights from Seoul to Washington, D.C.

Our best United Airlines deals on Seoul to Washington, D.C. flight tickets
United Airlines
Feb 10
ICN6:00 pmIncheon Intl
20h 59m
1 stop
IAD12:59 amWashington, D.C. Dulles Intl
Feb 25
IAD2:12 pmWashington, D.C. Dulles Intl
25h 28m
2 stops
ICN5:40 amIncheon Intl
$497
Find similar
United Airlines
Nov 9
ICN12:45 pmIncheon Intl
22h 40m
1 stop
IAD9:25 pmWashington, D.C. Dulles Intl
Nov 13
IAD4:10 pmWashington, D.C. Dulles Intl
23h 30m
1 stop
ICN5:40 amIncheon Intl
$498
Find similar
United Airlines
Nov 7
ICN12:45 pmIncheon Intl
30h 42m
1 stop
IAD5:27 amWashington, D.C. Dulles Intl
Nov 11
IAD6:30 amWashington, D.C. Dulles Intl
19h 45m
1 stop
ICN4:15 pmIncheon Intl
$499
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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 November 6, 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 - IAD

ICNIAD

Incheon Intl

Thu 11/20

8:10 pm-3:46 pm

1 stop33h 36m

Washington, D.C. Dulles Intl

Thu 12/4

4:30 pm-5:10 pm

2 stops34h 40m

$372

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Thu 11/20

8:10 pm-3:46 pm

1 stop33h 36m

Washington, D.C. Dulles Intl

Thu 12/4

4:30 pm-6:25 pm

1 stop35h 55m

$385

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Fri 12/12

5:55 pm-11:39 am

2 stops31h 44m

Washington, D.C. Dulles Intl

Sun 1/4

9:45 am-10:25 pm

2 stops22h 40m

$448

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Mon 3/9

8:35 pm-5:55 pm

1 stop34h 20m

Washington, D.C. Dulles Intl

Thu 3/19

7:00 am-6:35 pm

1 stop22h 35m

$466

IncheonBaltimore

ICN - BWI

ICNBWI

Incheon Intl

Mon 12/15

6:00 pm-9:08 pm

2 stops41h 08m

Baltimore/Washington

Fri 2/27

6:25 pm-5:40 am

1 stop21h 15m

$497

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Tue 2/10

6:00 pm-12:59 am

1 stop20h 59m

Washington, D.C. Dulles Intl

Wed 2/25

2:12 pm-5:40 am

2 stops25h 28m

$497

IncheonBaltimore

ICN - BWI

ICNBWI

Incheon Intl

Thu 11/20

8:05 pm-5:58 am

2 stops23h 53m

Baltimore/Washington

Thu 12/4

6:00 am-4:30 pm

2 stops20h 30m

$623

IncheonBaltimore

ICN - BWI

ICNBWI

Incheon Intl

Tue 2/10

7:30 pm-12:45 am

2 stops19h 15m

Baltimore/Washington

Mon 2/23

6:05 am-4:30 pm

2 stops20h 25m

$624

IncheonBaltimore

ICN - BWI

ICNBWI

Incheon Intl

Thu 11/20

1:20 pm-9:36 am

2 stops34h 16m

Baltimore/Washington

Thu 12/4

10:27 am-4:20 pm

2 stops39h 53m

$658

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Mon 2/2

8:35 pm-4:26 pm

1 stop33h 51m

Washington, D.C. Dulles Intl

Fri 2/20

6:55 pm-6:35 pm

1 stop33h 40m

$683

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 Sunday. momondo users have found tickets for Sunday departures for as low as $1,502. 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 $1,646.

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 $1,526. 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 $1,288 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 29% 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

$1,077

Fastest flight time

13h 35m

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 $1,077. The best round-trip flight deal from Seoul to Washington, D.C. found on momondo in the last 72 hours is $1,418.
The fastest flight from Seoul to Washington, D.C. takes 13h 35m
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 15h 44m.

  • 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 $501Free CancellationRating
7.2
11,040 reviews
Search American Airlines flights
United AirlinesPriceFrom $508Free CancellationRating
7.4
9,003 reviews
Search United Airlines flights
DeltaPriceFrom $649Free CancellationRating
7.9
8,001 reviews
Search Delta flights
Air CanadaPriceFrom $688Free CancellationRating
7.1
10,410 reviews
Search Air Canada flights
Korean AirPriceFrom $1,185Free CancellationRating
8.4
1,160 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 $1,185. Generally, Korean Air has 7 flights on this route every week with an average price of $1,406. 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, 8,001 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 $1,520.

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
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Towson
Rockville
Reston
Manassas
Gaithersburg
Fairfax
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.

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