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Cheap flights from Washington, D.C. Reagan-National Airport to Seoul from $394

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. Reagan-National Airport to Seoul departing on 4/22. 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. Reagan-National Airport to Seoul

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:00 pm - 3:50 pm
DCA
-
ICN
32h 50m
2 stops
Multiple Airlines Logo
6:00 pm - 5:59 pm
ICN
-
DCA
36h 59m
1 stop
$1,005Multiple Airlines
Fri, Apr 24 - Fri, May 8
Multiple Airlines Logo
9:59 am - 3:50 pm
DCA
-
ICN
40h 51m
1 stop
Multiple Airlines Logo
6:00 pm - 4:59 pm
ICN
-
DCA
35h 59m
2 stops
$1,029Multiple Airlines
Sat, Apr 25 - Wed, May 6
Multiple Airlines Logo
9:59 am - 4:30 am
DCA
-
ICN
29h 31m
1 stop
Multiple Airlines Logo
6:00 pm - 9:59 pm
ICN
-
DCA
40h 59m
2 stops
$1,037Multiple Airlines
Wed, Apr 22 - Wed, May 6
Multiple Airlines Logo
6:00 pm - 3:50 pm
DCA
-
ICN
32h 50m
2 stops
Multiple Airlines Logo
6:00 pm - 5:59 pm
ICN
-
DCA
36h 59m
1 stop
$1,038Multiple Airlines
Fri, Apr 24 - Fri, May 8
Multiple Airlines Logo
8:00 am - 4:30 am
DCA
-
ICN
31h 30m
2 stops
Multiple Airlines Logo
6:00 pm - 5:59 pm
ICN
-
DCA
36h 59m
1 stop
$1,056Multiple Airlines
Wed, Apr 15 - Wed, Apr 22
Multiple Airlines Logo
6:59 pm - 8:10 pm
DCA
-
ICN
36h 11m
1 stop
Multiple Airlines Logo
6:00 pm - 4:59 pm
ICN
-
DCA
35h 59m
2 stops
$1,059Multiple Airlines
Sat, May 2 - Mon, May 11
Multiple Airlines Logo
8:00 am - 4:30 am
DCA
-
ICN
31h 30m
2 stops
Multiple Airlines Logo
6:00 pm - 5:59 pm
ICN
-
DCA
36h 59m
1 stop
$1,063Multiple Airlines
Wed, Apr 15 - Wed, Apr 22
Multiple Airlines Logo
9:59 am - 4:30 am
DCA
-
ICN
29h 31m
1 stop
Multiple Airlines Logo
6:00 pm - 9:59 pm
ICN
-
DCA
40h 59m
2 stops
$1,092Multiple Airlines
Fri, Apr 24 - Sat, May 9
Japan Airlines Logo
9:32 am - 9:15 pm
DCA
-
GMP
22h 43m
2 stops
Japan Airlines Logo
7:15 pm - 6:58 pm
GMP
-
DCA
36h 43m
2 stops
$1,320Japan Airlines
Thu, Apr 9 - Tue, Apr 21
Japan Airlines Logo
6:58 am - 9:15 pm
DCA
-
GMP
25h 17m
2 stops
Japan Airlines Logo
7:15 pm - 6:58 pm
GMP
-
DCA
36h 43m
2 stops
$1,321Japan Airlines
Thu, Apr 9 - Tue, Apr 21

Air Canada flights from Washington, D.C. Reagan-National Airport to Seoul

Our best Air Canada deals on Washington, D.C. Reagan-National Airport to Seoul flight tickets
Air Canada
Apr 20
DCA9:40 amWashington, D.C. Reagan-National
18h 50m
1 stop
ICN5:30 pmIncheon Intl
May 4
ICN5:45 pmIncheon Intl
28h 08m
2 stops
DCA8:53 amWashington, D.C. Reagan-National
$1,114
Air Canada
Apr 20
DCA9:40 amWashington, D.C. Reagan-National
18h 50m
1 stop
ICN5:30 pmIncheon Intl
May 4
ICN7:05 pmIncheon Intl
16h 23m
1 stop
DCA10:28 pmWashington, D.C. Reagan-National
$1,117
Air Canada
Apr 20
DCA9:40 amWashington, D.C. Reagan-National
18h 50m
1 stop
ICN5:30 pmIncheon Intl
May 4
ICN5:45 pmIncheon Intl
28h 08m
2 stops
DCA8:53 amWashington, D.C. Reagan-National
$1,121

American Airlines flights from Washington, D.C. Reagan-National Airport to Seoul

Our best American Airlines deals on Washington, D.C. Reagan-National Airport to Seoul flight tickets
American Airlines
Mar 17
DCA6:30 amWashington, D.C. Reagan-National
20h 25m
1 stop
ICN3:55 pmIncheon Intl
Mar 25
ICN5:55 pmIncheon Intl
18h 05m
1 stop
DCA11:00 pmWashington, D.C. Reagan-National
$1,493
American Airlines
Mar 17
DCA6:30 amWashington, D.C. Reagan-National
20h 25m
1 stop
ICN3:55 pmIncheon Intl
Mar 25
ICN5:55 pmIncheon Intl
26h 04m
2 stops
DCA6:59 amWashington, D.C. Reagan-National
$1,498
American Airlines
Mar 10
DCA6:30 amWashington, D.C. Reagan-National
20h 25m
1 stop
ICN3:55 pmIncheon Intl
Mar 31
ICN5:40 pmIncheon Intl
28h 19m
1 stop
DCA8:59 amWashington, D.C. Reagan-National
$1,503

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Reagan-National Airport 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 March 5, 2026.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Seoul that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Fri 4/24

6:00 pm-3:50 pm

2 stops32h 50m

Incheon Intl

Fri 5/8

6:00 pm-5:59 pm

1 stop36h 59m

$1,005

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Sat 4/25

9:59 am-3:50 pm

1 stop40h 51m

Incheon Intl

Wed 5/6

6:00 pm-4:59 pm

2 stops35h 59m

$1,029

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Wed 4/22

9:59 am-4:30 am

1 stop29h 31m

Incheon Intl

Wed 5/6

6:00 pm-9:59 pm

2 stops40h 59m

$1,037

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Fri 4/24

6:00 pm-3:50 pm

2 stops32h 50m

Incheon Intl

Fri 5/8

6:00 pm-5:59 pm

1 stop36h 59m

$1,038

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Wed 4/15

8:00 am-4:30 am

2 stops31h 30m

Incheon Intl

Wed 4/22

6:00 pm-5:59 pm

1 stop36h 59m

$1,056

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Sat 5/2

6:59 pm-8:10 pm

1 stop36h 11m

Incheon Intl

Mon 5/11

6:00 pm-4:59 pm

2 stops35h 59m

$1,059

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Wed 4/15

8:00 am-4:30 am

2 stops31h 30m

Incheon Intl

Wed 4/22

6:00 pm-5:59 pm

1 stop36h 59m

$1,063

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Fri 4/24

9:59 am-4:30 am

1 stop29h 31m

Incheon Intl

Sat 5/9

6:00 pm-9:59 pm

2 stops40h 59m

$1,092
Quickest round-trip

Washington, D.C.Seoul

DCA - GMP

DCAGMP

Washington, D.C. Reagan-National

Thu 4/9

9:32 am-9:15 pm

2 stops22h 43m

Seoul Gimpo Intl

Tue 4/21

7:15 pm-6:58 pm

2 stops36h 43m

$1,320

Washington, D.C.Seoul

DCA - GMP

DCAGMP

Washington, D.C. Reagan-National

Thu 4/9

6:58 am-9:15 pm

2 stops25h 17m

Seoul Gimpo Intl

Tue 4/21

7:15 pm-6:58 pm

2 stops36h 43m

$1,321

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. Reagan-National Airport 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 cheapest day to depart on your flight to Seoul?

According to our data, Tuesday is the cheapest day to fly to Seoul from Washington, D.C. Reagan-National Airport. The lowest ticket price found for a Tuesday departure recently was $1,261. 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 $1,517.

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

Flying to Seoul from Washington, D.C. Reagan-National Airport in the morning is the least expensive time of day to depart. momondo users have found prices as low as $1,332 when looking at flights departing in the morning. At noon is when there is more demand to fly to Seoul, so prices are often more expensive at around $1,499 per ticket.

Can stopping save me money on Washington, D.C. Reagan-National Airport to Seoul flights?

You could potentially save up to 10% on your flight if you consider stops on a Washington, D.C. Reagan-National Airport to Seoul flight.

When to book flights from Washington, D.C. Reagan-National Airport to Seoul

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Reagan-National Airport 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. Reagan-National Airport to Seoul (DCA to SEL) flight deals and tips

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

Fastest flight time

18h 10m

Direct flights

None
The fastest flight from Washington, D.C. Reagan-National Airport to Seoul takes 18h 10m
There are no direct flights from Washington, D.C. Reagan-National Airport to Seoul. There are no popular flight routes from Washington, D.C. Reagan-National Airport to Seoul.
Search flight deals

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

    Seoul is 6936.4 mi away from Washington, D.C. Reagan-National. By plane, this route typically takes 18h 10m.

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

    Prices for flights from Washington, D.C. Reagan-National Airport to Seoul were last updated today.

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington, D.C. Reagan-National Airport to Seoul.

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

    The travel and health documents required for your trip to Seoul can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seoul. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

Best airlines flying from Washington, D.C. Reagan-National Airport to Seoul

Compare and see reviews for airlines that fly from Washington, D.C. Reagan-National Airport to Seoul with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom $1,138Free CancellationRating
7.1
10,777 reviews
Search Air Canada flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington, D.C. to Seoul. Millions of users trust and use momondo every year so you are in good hands.

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

momondo does allow users to show only those flights to Seoul from Washington, D.C. which offer a flexible booking policy as well as other useful filters and features.

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

momondo helps you find the best flight between Washington, D.C. and Seoul by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Of course. momondo tracks the price of Washington, D.C. to Seoul flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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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