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Cheap flights from Washington, D.C. to Seoul from $301

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Seoul departing on 11/17. 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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Find the cheapest flights from Washington, D.C. to Seoul

Cheap round-trip flights

Multiple Airlines Logo
5:35 am - 5:20 amBWI-ICN
34h 45m1 stop
Multiple Airlines Logo
6:55 pm - 7:19 pmICN-BWI
38h 24m2 stops
$732Multiple Airlines
Find Deal
Mon, Oct 27 - Mon, Nov 10
Multiple Airlines Logo
5:35 am - 5:20 amBWI-ICN
34h 45m1 stop
Multiple Airlines Logo
10:00 pm - 7:19 pmICN-BWI
35h 19m1 stop
$740Multiple Airlines
Find Deal
Mon, Oct 27 - Mon, Nov 10
Air Canada Logo
5:15 pm - 4:05 pmIAD-ICN
33h 50m2 stops
Air Canada Logo
5:45 pm - 9:38 amICN-IAD
28h 53m2 stops
$944Air Canada
Find Deal
Sat, Oct 4 - Fri, Oct 10
Air Canada Logo
5:15 pm - 4:05 pmIAD-ICN
33h 50m2 stops
Air Canada Logo
7:05 pm - 9:38 amICN-IAD
27h 33m1 stop
$957Air Canada
Find Deal
Sat, Oct 4 - Fri, Oct 10
Turkish Airlines Logo
1:30 pm - 9:05 amIAD-ICN
29h 35m1 stop
Turkish Airlines Logo
12:10 am - 11:45 amICN-IAD
25h 35m1 stop
$1,011Turkish Airlines
Find Deal
Thu, Nov 20 - Mon, Nov 24
Turkish Airlines Logo
1:30 pm - 6:20 pmIAD-ICN
38h 50m1 stop
Turkish Airlines Logo
10:45 am - 11:45 amICN-IAD
39h 00m1 stop
$1,020Turkish Airlines
Find Deal
Thu, Nov 20 - Wed, Nov 26
China Eastern Logo
12:11 pm - 11:55 amIAD-ICN
33h 44m2 stops
China Eastern Logo
6:25 pm - 7:08 pmICN-IAD
38h 43m2 stops
$1,021China Eastern
Find Deal
Mon, Nov 17 - Sat, Nov 22
China Eastern Logo
12:11 pm - 11:00 amIAD-GMP
32h 49m2 stops
China Eastern Logo
8:50 pm - 7:08 pmGMP-IAD
36h 18m2 stops
$1,021China Eastern
Find Deal
Mon, Nov 17 - Mon, Nov 24
Japan Airlines Logo
7:54 am - 10:55 amBWI-GMP
37h 01m2 stops
Japan Airlines Logo
8:00 am - 9:28 pmGMP-BWI
26h 28m2 stops
$1,182Japan Airlines
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Sun, Feb 15 - Sun, Mar 15
Japan Airlines Logo
7:49 am - 10:05 pmBWI-GMP
48h 16m2 stops
Japan Airlines Logo
7:40 pm - 5:38 pmGMP-BWI
35h 58m2 stops
$1,185Japan Airlines
Find Deal
Tue, Feb 10 - Fri, Feb 20

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

Our best Turkish Airlines deals on Washington, D.C. to Seoul flight tickets
Turkish Airlines
Nov 20
IAD1:30 pmWashington, D.C. Dulles Intl
29h 35m
1 stop
ICN9:05 amIncheon Intl
Nov 24
ICN12:10 amIncheon Intl
25h 35m
1 stop
IAD11:45 amWashington, D.C. Dulles Intl
$1,011
Find similar
Turkish Airlines
Nov 20
IAD1:30 pmWashington, D.C. Dulles Intl
38h 50m
1 stop
ICN6:20 pmIncheon Intl
Nov 26
ICN10:45 amIncheon Intl
39h 00m
1 stop
IAD11:45 amWashington, D.C. Dulles Intl
$1,020
Find similar
Turkish Airlines
Sep 30
IAD1:30 pmWashington, D.C. Dulles Intl
39h 10m
1 stop
ICN5:40 pmIncheon Intl
Nov 3
ICN12:10 amIncheon Intl
33h 05m
1 stop
IAD7:15 pmWashington, D.C. Dulles Intl
$1,107
Find similar

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

Our best Air Canada deals on Washington, D.C. to Seoul flight tickets
Air Canada
Oct 4
IAD5:15 pmWashington, D.C. Dulles Intl
33h 50m
2 stops
ICN4:05 pmIncheon Intl
Oct 10
ICN5:45 pmIncheon Intl
28h 53m
2 stops
IAD9:38 amWashington, D.C. Dulles Intl
$944
Find similar
Air Canada
Oct 4
IAD5:15 pmWashington, D.C. Dulles Intl
33h 50m
2 stops
ICN4:05 pmIncheon Intl
Oct 10
ICN7:05 pmIncheon Intl
27h 33m
1 stop
IAD9:38 amWashington, D.C. Dulles Intl
$957
Find similar
Air Canada
Nov 5
IAD9:45 amWashington, D.C. Dulles Intl
41h 25m
2 stops
ICN5:10 pmIncheon Intl
Nov 12
ICN6:55 pmIncheon Intl
30h 28m
2 stops
IAD11:23 amWashington, D.C. Dulles Intl
$959
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Seoul 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 September 16, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Seoul that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BaltimoreIncheon

BWI - ICN

BWIICN

Baltimore/Washington

Mon 10/27

5:35 am-5:20 am

1 stop34h 45m

Incheon Intl

Mon 11/10

6:55 pm-7:19 pm

2 stops38h 24m

$732

BaltimoreIncheon

BWI - ICN

BWIICN

Baltimore/Washington

Mon 10/27

5:35 am-5:20 am

1 stop34h 45m

Incheon Intl

Mon 11/10

10:00 pm-7:19 pm

1 stop35h 19m

$740

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

Sat 10/4

5:15 pm-4:05 pm

2 stops33h 50m

Incheon Intl

Fri 10/10

5:45 pm-9:38 am

2 stops28h 53m

$944

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

Sat 10/4

5:15 pm-4:05 pm

2 stops33h 50m

Incheon Intl

Fri 10/10

7:05 pm-9:38 am

1 stop27h 33m

$957

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

Thu 11/20

1:30 pm-9:05 am

1 stop29h 35m

Incheon Intl

Mon 11/24

12:10 am-11:45 am

1 stop25h 35m

$1,011

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

Thu 11/20

1:30 pm-6:20 pm

1 stop38h 50m

Incheon Intl

Wed 11/26

10:45 am-11:45 am

1 stop39h 00m

$1,020

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

Mon 11/17

12:11 pm-11:55 am

2 stops33h 44m

Incheon Intl

Sat 11/22

6:25 pm-7:08 pm

2 stops38h 43m

$1,021

Washington, D.C.Seoul

IAD - GMP

IADGMP

Washington, D.C. Dulles Intl

Mon 11/17

12:11 pm-11:00 am

2 stops32h 49m

Seoul Gimpo Intl

Mon 11/24

8:50 pm-7:08 pm

2 stops36h 18m

$1,021

BaltimoreSeoul

BWI - GMP

BWIGMP

Baltimore/Washington

Sun 2/15

7:54 am-10:55 am

2 stops37h 01m

Seoul Gimpo Intl

Sun 3/15

8:00 am-9:28 pm

2 stops26h 28m

$1,182

BaltimoreSeoul

BWI - GMP

BWIGMP

Baltimore/Washington

Tue 2/10

7:49 am-10:05 pm

2 stops48h 16m

Seoul Gimpo Intl

Fri 2/20

7:40 pm-5:38 pm

2 stops35h 58m

$1,185

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 Seoul from

How to get the cheapest flight ticket from Washington, D.C. to Seoul

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 Washington, D.C. and Seoul?

What is the cheapest month to fly to Seoul?

The month of March is another great option to travel to Seoul, with average flight prices from Washington, D.C. averaging around $1,046.

What is the cheapest day to depart on your flight to Seoul?

According to our data, Wednesday is the cheapest day to fly to Seoul from Washington, D.C.. The lowest ticket price found for a Wednesday departure recently was $1,432. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Seoul is Saturday, with ticket prices averaging around $1,660.

What is the cheapest time of day to depart on your flight to Seoul?

Flying to Seoul from Washington, D.C. in the evening is the least expensive time of day to depart. momondo users have found prices as low as $1,179 when looking at flights departing in the evening. In the afternoon is when there is more demand to fly to Seoul, so prices are often more expensive at around $1,689 per ticket.

What is the cheapest Washington, D.C. to Seoul flight route?

Fly from Washington, D.C. Dulles Intl to Incheon Intl for the best Washington, D.C. - Seoul flight prices

How far in advance should I book a flight to Seoul?

You are more likely to see cheaper flights to Seoul from Washington, D.C. when booking weeks ahead of your departure date. In general, you can expect to find flights to Seoul for around $1,684 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seoul from Washington, D.C. for as low as $1,244 on momondo.

What cabin class options are available on Washington, D.C. to Seoul flights?

There are 4 cabin classes available to choose from on Washington, D.C. to Seoul 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 Washington, D.C. to Seoul flights?

You could potentially save up to 16% on your flight if you consider stops on a Washington, D.C. to Seoul flight.

How have Washington, D.C. to Seoul flight prices changed over time?

As of September 2025, prices for Washington, D.C. to Seoul flights are approximately 43% cheaper when compared to flights at the same time last year.

When to book flights from Washington, D.C. to Seoul

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. to Seoul according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. to Seoul (WAS to SEL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Seoul

Best Price Found

$555

Fastest flight time

15h 25m

Direct flights

Every day

Airports in Seoul

1 airport
The best one-way flight to Seoul from Washington, D.C. in the past 72 hours is $555. The best round-trip flight deal from Washington, D.C. to Seoul found on momondo in the last 72 hours is $1,094.
The fastest flight from Washington, D.C. to Seoul takes 15h 25m
Direct flights go from Washington, D.C. to Seoul every day.
There is 1 airport near Seoul: Incheon Intl (ICN)
Search flight deals

  • How far is Washington, D.C. to Seoul by plane?

    Seoul is 6932.9 mi away from Washington, D.C.. By plane, this route typically takes 20h 16m.

  • When did momondo last update prices for flights from Washington, D.C. to Seoul?

    Prices for flights from Washington, D.C. to Seoul were last updated today.

  • How many operators does momondo search for flights from Washington, D.C. to Seoul?

  • How old do you have to be to fly from Washington, D.C. to Seoul?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. to Seoul.

  • What documentation or ID do you need to fly to Seoul?

    The necessary travel and health documents for your Seoul trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Washington, D.C. to Seoul?

  • What is the most popular airline from Washington, D.C. to Seoul?

Best airlines flying from Washington, D.C. to Seoul

Compare and see reviews for airlines that fly from Washington, D.C. to Seoul with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $367Free CancellationRating
7.4
8,924 reviews
Search United Airlines flights
Air ChinaPriceFrom $591Free CancellationRating
7.3
101 reviews
Search Air China flights
American AirlinesPriceFrom $716Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Asiana AirlinesPriceFrom $759Free CancellationRating
8.2
480 reviews
Search Asiana Airlines flights
Turkish AirlinesPriceFrom $800Free CancellationRating
7.3
3,968 reviews
Search Turkish Airlines flights
Air CanadaPriceFrom $864Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
DeltaPriceFrom $877Free CancellationRating
7.9
7,957 reviews
Search Delta flights
Korean AirPriceFrom $1,059Free CancellationRating
8.4
1,140 reviews
Search Korean Air flights

  • Korean Air Flights From Washington, D.C. to Seoul

    Korean Air is one of the most popular airlines flying from Washington, D.C. to Seoul, operating 7 flights/week on average for this route. A good Korean Air flight deal for Washington, D.C. to Seoul starts from $1,059 round-trip, up to an average price of $1,703. Our users have rated Korean Air at 8.4/10.

  • Delta Flights From Washington, D.C. to Seoul

    Delta is also a popular choice for this route. Delta flight deals for Washington, D.C. to Seoul start from as low as $877 round-trip, depending on your selected dates, with average Delta deals seen on momondo around $1,650. Delta operates 7 flights to Seoul from Washington, D.C. in an average week. Users have rated it 7.9/10 across 7,957 reviews.

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Seoul?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Washington, D.C. to Seoul. momondo saves you time and could save you money on your trip.

Can I find flights from Washington, D.C. to Seoul with flexible booking policies on momondo?

Flights from Washington, D.C. to Seoul with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Washington, D.C. to Seoul?

momondo provides multiple filters to help you find the best flight to Seoul from Washington, D.C.. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Washington, D.C. to Seoul right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Washington, D.C. to Seoul now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Seoul and let you know when they change.

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Find better results for your trip to South Korea

Fly into one of these airports located in Seoul

Airports listed have a maximum distance of 30.3 mi from Seoul
Seoul Gimpo Intl Airport
Incheon Intl Airport