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Cheap flights from Washington, D.C. to Seoul from $452

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 2/10. 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.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Washington, D.C. to Seoul.

Cheap last minute flights

Planning a quick getaway from Washington, D.C. to Seoul? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Seoul, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Washington, D.C. to Seoul

Find recent round-trip train or bus tickets from Washington, D.C. to Seoul.

All round-trip flight deals from Washington, D.C. to Seoul

The cheapest plane tickets from Washington, D.C. to Seoul found on KAYAK recently.
7:00 am - 5:30 amDCA-ICN
32h 30m2 stops
8:50 pm - 12:03 pmICN-DCA
28h 13m2 stops
Mon, Feb 24 - Mon, Mar 10
6:12 am - 4:45 pmIAD-ICN
20h 33m1 stop
6:50 pm - 10:33 pmICN-IAD
17h 43m1 stop
$877American Airlines
Find Deal
Tue, Feb 18 - Tue, Feb 25
6:18 am - 3:30 pmIAD-ICN
20h 12m1 stop
5:25 pm - 4:14 pmICN-IAD
35h 49m1 stop
$881American Airlines
Find Deal
Sun, Mar 30 - Sun, May 4
9:25 pm - 6:20 pmIAD-ICN
30h 55m1 stop
12:10 am - 7:30 pmICN-IAD
33h 20m1 stop
$958Turkish Airlines
Find Deal
Mon, Feb 17 - Sun, Mar 2
9:25 pm - 9:05 amIAD-ICN
21h 40m1 stop
10:45 am - 7:30 pmICN-IAD
46h 45m1 stop
$975Turkish Airlines
Find Deal
Wed, Feb 19 - Wed, Feb 26
4:35 pm - 4:05 pmDCA-ICN
34h 30m2 stops
6:00 pm - 10:18 amICN-DCA
29h 18m1 stop
$1,172Air Canada
Find Deal
Tue, Jul 8 - Tue, Jul 22
5:30 pm - 4:05 pmIAD-ICN
33h 35m1 stop
5:45 pm - 7:44 amICN-IAD
26h 59m2 stops
$1,172Air Canada
Find Deal
Tue, May 13 - Tue, Jun 24
6:45 pm - 3:15 pmBWI-ICN
31h 30m2 stops
4:50 pm - 7:26 amICN-BWI
27h 36m1 stop
$1,523United Airlines
Find Deal
Wed, Mar 26 - Wed, Apr 16
6:15 am - 3:15 pmBWI-ICN
20h 00m1 stop
11:30 am - 9:42 pmICN-BWI
23h 12m2 stops
$1,528United Airlines
Find Deal
Tue, Mar 25 - Thu, Apr 3
7:00 am - 5:20 pmBWI-ICN
21h 20m2 stops
10:15 am - 10:55 pmICN-BWI
25h 40m1 stop
$1,578Delta
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Fri, Apr 4 - Wed, Apr 30
11:07 am - 11:35 amBWI-ICN
58h 28m3 stops
Mon, Feb 10
6:00 pm - 8:30 pmDCA-ICN
36h 30m2 stops
Tue, Feb 4
5:30 pm - 4:05 pmIAD-ICN
33h 35m1 stop
$677Air Canada
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Sun, May 4
5:44 pm - 4:05 pmIAD-ICN
33h 21m2 stops
$679Air Canada
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Fri, Apr 18
6:00 am - 2:10 pmBWI-ICN
19h 10m1 stop
$918Delta
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Thu, Apr 24
2:10 pm - 4:00 amBWI-ICN
24h 50m1 stop
$929Delta
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Thu, Apr 24
3:22 pm - 3:30 pmBWI-ICN
35h 08m1 stop
$947American Airlines
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Sat, Apr 19
7:01 pm - 3:50 pmBWI-ICN
30h 49m1 stop
$1,045Korean Air
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Sun, Feb 23
1:25 pm - 5:40 pmIAD-ICN
15h 15mnonstop
$1,054Korean Air
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Wed, Apr 9
7:28 pm - 3:30 pmBWI-ICN
31h 02m1 stop
$1,216American Airlines
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Sat, Jun 7
6:10 am - 4:45 pmIAD-ICN
20h 35m1 stop
6:50 pm - 10:41 pmICN-IAD
17h 51m1 stop
$877American Airlines
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Thu, Jan 23 - Thu, Jan 30
5:24 pm - 4:45 pmIAD-ICN
33h 21m1 stop
6:50 pm - 4:14 pmICN-IAD
35h 24m1 stop
$881American Airlines
Find Deal
Sat, Jan 25 - Sun, Feb 9
2:00 pm - 9:05 amIAD-ICN
29h 05m1 stop
12:10 am - 12:15 pmICN-IAD
26h 05m1 stop
$1,003Turkish Airlines
Find Deal
Thu, Jan 23 - Wed, Jan 29
9:25 pm - 9:05 amIAD-ICN
21h 40m1 stop
12:10 am - 12:15 pmICN-IAD
26h 05m1 stop
$1,011Turkish Airlines
Find Deal
Thu, Jan 23 - Sun, Feb 2
8:18 am - 3:15 pmIAD-ICN
40h 57m2 stops
4:55 pm - 11:30 amICN-IAD
32h 35m2 stops
$1,290Air Canada
Find Deal
Wed, Jan 22 - Wed, Jan 29
3:55 pm - 3:15 pmIAD-ICN
57h 20m2 stops
4:55 pm - 9:46 amICN-IAD
30h 51m2 stops
$1,299Air Canada
Find Deal
Sat, Jan 25 - Fri, Jan 31
6:00 am - 3:50 pmBWI-ICN
19h 50m1 stop
5:50 pm - 10:58 pmICN-BWI
19h 08m1 stop
$2,177Korean Air
Find Deal
Sun, Jan 26 - Sat, Feb 8
6:00 am - 3:50 pmBWI-ICN
19h 50m1 stop
7:25 pm - 12:37 amICN-BWI
19h 12m1 stop
$2,258Korean Air
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Fri, Jan 24 - Sun, Jan 26
11:50 am - 5:40 pmIAD-ICN
15h 50mnonstop
10:15 am - 9:50 amICN-IAD
13h 35mnonstop
$2,561Delta
Find Deal
Thu, Jan 23 - Mon, Feb 3
11:50 am - 5:40 pmIAD-ICN
15h 50mnonstop
10:15 am - 9:50 amICN-IAD
13h 35mnonstop
$2,611Delta
Find Deal
Sat, Jan 25 - Thu, Feb 20
12:50 pm - 5:40 pmIAD-ICN
15h 50mnonstop
10:25 am - 11:15 amICN-IAD
13h 50mnonstop
$1,613Korean Air
Find Deal
Tue, Mar 25 - Thu, Apr 24
1:25 pm - 5:40 pmIAD-ICN
15h 15mnonstop
10:25 am - 11:15 amICN-IAD
13h 50mnonstop
$1,683Korean Air
Find Deal
Tue, Apr 1 - Sat, Apr 12
11:50 am - 5:40 pmIAD-ICN
15h 50mnonstop
10:25 am - 11:15 amICN-IAD
13h 50mnonstop
$1,695Korean Air
Find Deal
Thu, Feb 20 - Mon, Mar 31
11:50 am - 5:40 pmIAD-ICN
15h 50mnonstop
10:25 am - 11:15 amICN-IAD
13h 50mnonstop
$1,697Korean Air
Find Deal
Thu, Feb 20 - Mon, Mar 31
11:50 am - 5:40 pmIAD-ICN
15h 50mnonstop
10:15 am - 10:50 amICN-IAD
13h 35mnonstop
$1,699Korean Air
Find Deal
Wed, Mar 5 - Tue, Mar 25
1:25 pm - 5:40 pmIAD-ICN
15h 15mnonstop
10:25 am - 11:15 amICN-IAD
13h 50mnonstop
$1,726Korean Air
Find Deal
Wed, Apr 2 - Wed, Apr 9
1:25 pm - 5:40 pmIAD-ICN
15h 15mnonstop
10:25 am - 11:15 amICN-IAD
13h 50mnonstop
$1,739Korean Air
Find Deal
Wed, Apr 16 - Fri, Apr 25
11:50 am - 5:40 pmIAD-ICN
15h 50mnonstop
10:15 am - 9:50 amICN-IAD
13h 35mnonstop
$1,742Korean Air
Find Deal
Wed, Feb 19 - Wed, Mar 5
11:50 am - 5:40 pmIAD-ICN
15h 50mnonstop
10:15 am - 9:50 amICN-IAD
13h 35mnonstop
$1,781Delta
Find Deal
Thu, Feb 20 - Wed, Mar 5
11:50 am - 5:40 pmIAD-ICN
15h 50mnonstop
10:15 am - 10:50 amICN-IAD
13h 35mnonstop
$1,831Delta
Find Deal
Thu, Feb 20 - Sun, Mar 23

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

Our best American Airlines deals on Washington, D.C. to Seoul flight tickets
American Airlines
Feb 18
IAD6:12 amWashington, D.C. Dulles Intl
20h 33m
1 stop
ICN4:45 pmIncheon Intl
Feb 25
ICN6:50 pmIncheon Intl
17h 43m
1 stop
IAD10:33 pmWashington, D.C. Dulles Intl
American Airlines
Mar 30
IAD6:18 amWashington, D.C. Dulles Intl
20h 12m
1 stop
ICN3:30 pmIncheon Intl
May 4
ICN5:25 pmIncheon Intl
35h 49m
1 stop
IAD4:14 pmWashington, D.C. Dulles Intl
American Airlines
Feb 15
IAD6:31 pmWashington, D.C. Dulles Intl
32h 14m
2 stops
ICN4:45 pmIncheon Intl
Feb 24
ICN6:50 pmIncheon Intl
27h 52m
2 stops
IAD8:42 amWashington, D.C. Dulles Intl

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

Our best Turkish Airlines deals on Washington, D.C. to Seoul flight tickets
Turkish Airlines
Feb 17
IAD9:25 pmWashington, D.C. Dulles Intl
30h 55m
1 stop
ICN6:20 pmIncheon Intl
Mar 2
ICN12:10 amIncheon Intl
33h 20m
1 stop
IAD7:30 pmWashington, D.C. Dulles Intl
Turkish Airlines
Feb 19
IAD9:25 pmWashington, D.C. Dulles Intl
21h 40m
1 stop
ICN9:05 amIncheon Intl
Feb 26
ICN10:45 amIncheon Intl
46h 45m
1 stop
IAD7:30 pmWashington, D.C. Dulles Intl
Turkish Airlines
Feb 10
IAD2:00 pmWashington, D.C. Dulles Intl
29h 05m
1 stop
ICN9:05 amIncheon Intl
Mar 2
ICN12:10 amIncheon Intl
33h 20m
1 stop
IAD7:30 pmWashington, D.C. Dulles Intl

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, Sunday is the cheapest day to fly to Seoul from Washington, D.C.. The lowest ticket price found for a Sunday departure recently was $1,639. 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 $1,803.

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 $1,996 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 8 weeks ahead of your departure date. In general, you can expect to find flights to Seoul for around $1,576 when searching 8 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 $1,298 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 January 2025, prices for Washington, D.C. to Seoul flights are approximately 47% 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

$452

Fastest flight time

15h 15m

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 $452. The best round-trip flight deal from Washington, D.C. to Seoul found on momondo in the last 72 hours is $877.
The fastest flight from Washington, D.C. to Seoul takes 15h 15m
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 30m.

  • 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
8,635 reviews
Search Air Canada flights
American AirlinesPriceFrom $876Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $902Free CancellationRating
7.4
8,985 reviews
Search United Airlines flights
DeltaPriceFrom $902Free CancellationRating
8.0
8,521 reviews
Search Delta flights
Turkish AirlinesPriceFrom $968Free CancellationRating
7.3
3,931 reviews
Search Turkish Airlines flights
Korean AirPriceFrom $1,082Free CancellationRating
8.4
1,039 reviews
Search Korean Air flights
Asiana AirlinesPriceFrom $1,420Free CancellationRating
8.2
466 reviews
Search Asiana Airlines flights
Air FrancePriceFrom $1,583Free CancellationRating
7.4
1,490 reviews
Search Air France flights
KLMPriceFrom $1,598Free CancellationRating
7.8
1,341 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 $1,082 round-trip, up to an average price of $1,906. 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 $902 round-trip, depending on your selected dates, with average Delta deals seen on momondo around $2,014. Delta operates 7 flights to Seoul from Washington, D.C. in an average week. Users have rated it 8.0/10 across 8,521 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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Fly into one of these airports located in Seoul

Airports listed have a maximum distance of 30.3 mi from Seoul