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Cheap flights from Washington, D.C. to Seoul from $461

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 3/11. 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

These are some of the best round-trip flight deals from Washington, D.C. to Seoul that have been recently found on momondo from popular airlines, departing in the coming months.
3:00 pm - 9:05 amIAD-ICN
29h 05m1 stop
12:10 am - 8:30 pmICN-IAD
33h 20m1 stop
$789Turkish Airlines
Find Deal
Wed, Mar 12 - Wed, Mar 19
9:40 pm - 7:50 amIAD-ICN
21h 10m1 stop
11:20 pm - 7:45 pmICN-IAD
33h 25m1 stop
$791Turkish Airlines
Find Deal
Wed, Apr 2 - Tue, Apr 8
6:00 am - 3:30 pmBWI-ICN
20h 30m1 stop
7:25 pm - 12:30 amICN-BWI
18h 05m1 stop
$878Delta
Find Deal
Wed, Mar 12 - Thu, Mar 20
6:18 am - 3:55 pmIAD-ICN
20h 37m1 stop
5:50 pm - 10:14 pmICN-IAD
17h 24m1 stop
$878American Airlines
Find Deal
Mon, Mar 17 - Tue, Mar 25
6:00 am - 4:30 pmBWI-ICN
21h 30m2 stops
7:20 pm - 5:50 amICN-BWI
23h 30m2 stops
$882Delta
Find Deal
Tue, Apr 8 - Tue, Apr 22
6:18 am - 3:55 pmIAD-ICN
20h 37m1 stop
5:50 pm - 8:50 amICN-IAD
28h 00m2 stops
$882American Airlines
Find Deal
Mon, Mar 17 - Tue, Mar 25
8:10 am - 3:50 pmBWI-ICN
18h 40m1 stop
5:50 pm - 12:30 amICN-BWI
19h 40m1 stop
$1,081Korean Air
Find Deal
Thu, Mar 20 - Thu, Mar 27
9:40 am - 4:05 pmDCA-ICN
41h 25m2 stops
5:45 pm - 10:19 amICN-DCA
29h 34m2 stops
$1,172Air Canada
Find Deal
Mon, May 12 - Wed, May 28
5:44 pm - 4:05 pmIAD-ICN
33h 21m2 stops
5:45 pm - 6:21 amICN-IAD
25h 36m1 stop
$1,172Air Canada
Find Deal
Wed, May 14 - Tue, May 27
8:10 am - 4:00 amBWI-ICN
30h 50m1 stop
9:20 am - 9:56 pmICN-BWI
25h 36m1 stop
$1,411Korean Air
Find Deal
Mon, Mar 31 - Mon, Apr 28

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

Our best Turkish Airlines deals on Washington, D.C. to Seoul flight tickets
Turkish Airlines
Mar 12
IAD3:00 pmWashington, D.C. Dulles Intl
29h 05m
1 stop
ICN9:05 amIncheon Intl
Mar 19
ICN12:10 amIncheon Intl
33h 20m
1 stop
IAD8:30 pmWashington, D.C. Dulles Intl
Turkish Airlines
Apr 2
IAD9:40 pmWashington, D.C. Dulles Intl
21h 10m
1 stop
ICN7:50 amIncheon Intl
Apr 8
ICN11:20 pmIncheon Intl
33h 25m
1 stop
IAD7:45 pmWashington, D.C. Dulles Intl
Turkish Airlines
Apr 1
IAD12:30 pmWashington, D.C. Dulles Intl
40h 10m
1 stop
ICN5:40 pmIncheon Intl
Apr 8
ICN11:20 pmIncheon Intl
24h 25m
1 stop
IAD10:45 amWashington, D.C. Dulles Intl

Delta flights from Washington, D.C. to Seoul

Our best Delta deals on Washington, D.C. to Seoul flight tickets
Delta
Mar 12
BWI6:00 amBaltimore/Washington
20h 30m
1 stop
ICN3:30 pmIncheon Intl
Mar 20
ICN7:25 pmIncheon Intl
18h 05m
1 stop
BWI12:30 amBaltimore/Washington
Delta
Apr 8
BWI6:00 amBaltimore/Washington
21h 30m
2 stops
ICN4:30 pmIncheon Intl
Apr 22
ICN7:20 pmIncheon Intl
23h 30m
2 stops
BWI5:50 amBaltimore/Washington
Delta
Mar 15
BWI3:00 pmBaltimore/Washington
35h 30m
1 stop
ICN3:30 pmIncheon Intl
Mar 30
ICN6:40 pmIncheon Intl
18h 13m
1 stop
BWI11:53 pmBaltimore/Washington

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 November is another great option to travel to Seoul, with average flight prices from Washington, D.C. averaging around $1,084.

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 $1,619. 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 $1,798.

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. At noon is when there is more demand to fly to Seoul, so prices are often more expensive at around $1,782 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 25 weeks ahead of your departure date. In general, you can expect to find flights to Seoul for around $1,823 when searching 25 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 $1,362 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.

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

As of February 2025, prices for Washington, D.C. to Seoul flights are approximately 45% 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

$461

Fastest flight time

17h 25m

Direct flights

Every day

Airports in Seoul

2 airports
The best one-way flight to Seoul from Washington, D.C. in the past 72 hours is $461. The best round-trip flight deal from Washington, D.C. to Seoul found on momondo in the last 72 hours is $789.
The fastest flight from Washington, D.C. to Seoul takes 17h 25m
Direct flights go from Washington, D.C. to Seoul every day.
There are 2 airports near Seoul: Incheon Intl (ICN), Seoul Gimpo Intl (GMP)

  • 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 17h 25m.

  • 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
Air CanadaPriceFrom $864Free CancellationRating
7.0
8,748 reviews
Search Air Canada flights
American AirlinesPriceFrom $876Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $877Free CancellationRating
8.0
8,220 reviews
Search Delta flights
United AirlinesPriceFrom $901Free CancellationRating
7.4
8,766 reviews
Search United Airlines flights
Turkish AirlinesPriceFrom $968Free CancellationRating
7.3
3,832 reviews
Search Turkish Airlines flights
Korean AirPriceFrom $1,078Free CancellationRating
8.4
1,039 reviews
Search Korean Air flights
Asiana AirlinesPriceFrom $1,312Free CancellationRating
8.2
446 reviews
Search Asiana Airlines flights
Air FrancePriceFrom $1,583Free CancellationRating
7.4
1,449 reviews
Search Air France flights
KLMPriceFrom $1,598Free CancellationRating
7.8
1,333 reviews
Search KLM 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 $1,078 round-trip, up to an average price of $1,863. 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 $1,966. Delta operates 7 flights to Seoul from Washington, D.C. in an average week. Users have rated it 8.0/10 across 8,220 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