Cheap flights from Washington, D.C. Reagan-National Airport to Seoul from $413

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 3/3. 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 - 5:10 am
DCA
-
ICN
45h 10m
2 stops
Multiple Airlines Logo
6:55 pm - 5:59 pm
ICN
-
DCA
37h 04m
1 stop
$946Multiple Airlines
Sat, Feb 14 - Mon, Mar 2
Multiple Airlines Logo
9:59 am - 4:20 pm
DCA
-
ICN
41h 21m
1 stop
Multiple Airlines Logo
6:20 pm - 9:59 pm
ICN
-
DCA
40h 39m
2 stops
$996Multiple Airlines
Wed, Mar 11 - Mon, Mar 30
Multiple Airlines Logo
9:59 am - 5:10 am
DCA
-
ICN
30h 11m
1 stop
Multiple Airlines Logo
12:45 pm - 4:59 pm
ICN
-
DCA
41h 14m
2 stops
$1,006Multiple Airlines
Wed, Mar 11 - Tue, Mar 31
Multiple Airlines Logo
6:00 pm - 5:10 am
DCA
-
ICN
45h 10m
2 stops
Multiple Airlines Logo
1:20 pm - 8:05 pm
ICN
-
DCA
20h 45m
1 stop
$1,011Multiple Airlines
Sat, Feb 14 - Thu, Feb 26
Multiple Airlines Logo
9:59 am - 5:10 am
DCA
-
ICN
30h 11m
1 stop
Multiple Airlines Logo
10:00 pm - 9:59 pm
ICN
-
DCA
36h 59m
2 stops
$1,012Multiple Airlines
Wed, Mar 11 - Mon, Mar 30
Multiple Airlines Logo
8:00 am - 4:20 pm
DCA
-
ICN
42h 20m
2 stops
Multiple Airlines Logo
1:20 pm - 8:05 pm
ICN
-
DCA
19h 45m
1 stop
$1,023Multiple Airlines
Thu, Mar 5 - Thu, Mar 12
Multiple Airlines Logo
9:59 am - 5:10 am
DCA
-
ICN
30h 11m
1 stop
Multiple Airlines Logo
10:00 pm - 12:02 pm
ICN
-
DCA
27h 02m
2 stops
$1,025Multiple Airlines
Wed, Mar 11 - Wed, Apr 1
ANA Logo
3:30 pm - 11:05 am
DCA
-
GMP
30h 35m
2 stops
ANA Logo
7:55 pm - 1:59 pm
GMP
-
DCA
31h 04m
2 stops
$1,518ANA
Tue, Apr 7 - Tue, Jul 7
Japan Airlines Logo
7:00 am - 10:55 am
DCA
-
GMP
37h 55m
2 stops
Japan Airlines Logo
8:00 am - 5:08 pm
GMP
-
DCA
23h 08m
2 stops
$1,646Japan Airlines
Sun, Feb 1 - Sun, Feb 8
Japan Airlines Logo
6:10 am - 6:20 pm
DCA
-
GMP
22h 10m
2 stops
Japan Airlines Logo
12:05 pm - 8:41 pm
GMP
-
DCA
22h 36m
2 stops
$1,652Japan Airlines
Mon, Feb 2 - Thu, Feb 26

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 1
DCA9:40 amWashington, D.C. Reagan-National
18h 50m
1 stop
ICN5:30 pmIncheon Intl
Apr 21
ICN5:45 pmIncheon Intl
29h 34m
2 stops
DCA10:19 amWashington, D.C. Reagan-National
$1,116
Air Canada
Jan 26
DCA4:15 pmWashington, D.C. Reagan-National
33h 45m
2 stops
ICN4:00 pmIncheon Intl
Feb 9
ICN6:55 pmIncheon Intl
34h 36m
2 stops
DCA3:31 pmWashington, D.C. Reagan-National
$1,160
Air Canada
Jan 26
DCA9:40 amWashington, D.C. Reagan-National
18h 45m
1 stop
ICN6:25 pmIncheon Intl
Feb 9
ICN6:55 pmIncheon Intl
29h 26m
2 stops
DCA10:21 amWashington, D.C. Reagan-National
$1,165

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

Our best Asiana Airlines deals on Washington, D.C. Reagan-National Airport to Seoul flight tickets
Asiana Airlines
Jan 28
DCA6:59 amWashington, D.C. Reagan-National
21h 26m
1 stop
ICN6:25 pmIncheon Intl
Feb 9
ICN8:10 pmIncheon Intl
26h 45m
1 stop
DCA8:55 amWashington, D.C. Reagan-National
$1,258
Asiana Airlines
Jan 29
DCA8:40 pmWashington, D.C. Reagan-National
31h 45m
1 stop
ICN6:25 pmIncheon Intl
Feb 9
ICN8:10 pmIncheon Intl
26h 45m
1 stop
DCA8:55 amWashington, D.C. Reagan-National
$1,315
Asiana Airlines
Feb 1
DCA6:50 pmWashington, D.C. Reagan-National
33h 35m
1 stop
ICN6:25 pmIncheon Intl
Feb 6
ICN5:55 pmIncheon Intl
29h 00m
2 stops
DCA8:55 amWashington, D.C. Reagan-National
$1,317

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 January 19, 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

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Sat 2/14

6:00 pm-5:10 am

2 stops45h 10m

Incheon Intl

Mon 3/2

6:55 pm-5:59 pm

1 stop37h 04m

$946

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Wed 3/11

9:59 am-4:20 pm

1 stop41h 21m

Incheon Intl

Mon 3/30

6:20 pm-9:59 pm

2 stops40h 39m

$996

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Wed 3/11

9:59 am-5:10 am

1 stop30h 11m

Incheon Intl

Tue 3/31

12:45 pm-4:59 pm

2 stops41h 14m

$1,006

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Sat 2/14

6:00 pm-5:10 am

2 stops45h 10m

Incheon Intl

Thu 2/26

1:20 pm-8:05 pm

1 stop20h 45m

$1,011

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Wed 3/11

9:59 am-5:10 am

1 stop30h 11m

Incheon Intl

Mon 3/30

10:00 pm-9:59 pm

2 stops36h 59m

$1,012

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Thu 3/5

8:00 am-4:20 pm

2 stops42h 20m

Incheon Intl

Thu 3/12

1:20 pm-8:05 pm

1 stop19h 45m

$1,023

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Wed 3/11

9:59 am-5:10 am

1 stop30h 11m

Incheon Intl

Wed 4/1

10:00 pm-12:02 pm

2 stops27h 02m

$1,025

Washington, D.C.Seoul

DCA - GMP

DCAGMP

Washington, D.C. Reagan-National

Tue 4/7

3:30 pm-11:05 am

2 stops30h 35m

Seoul Gimpo Intl

Tue 7/7

7:55 pm-1:59 pm

2 stops31h 04m

$1,518

Washington, D.C.Seoul

DCA - GMP

DCAGMP

Washington, D.C. Reagan-National

Sun 2/1

7:00 am-10:55 am

2 stops37h 55m

Seoul Gimpo Intl

Sun 2/8

8:00 am-5:08 pm

2 stops23h 08m

$1,646

Washington, D.C.Seoul

DCA - GMP

DCAGMP

Washington, D.C. Reagan-National

Mon 2/2

6:10 am-6:20 pm

2 stops22h 10m

Seoul Gimpo Intl

Thu 2/26

12:05 pm-8:41 pm

2 stops22h 36m

$1,652

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 typical price of a round-trip flight between Washington, D.C. Reagan-National Airport and Seoul?

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 $1,297. 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 $1,564.

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 $1,360 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 $1,563 per ticket.

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

You could potentially save up to 3% 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

19h 46m

Direct flights

None
The fastest flight from Washington, D.C. Reagan-National Airport to Seoul takes 19h 46m
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.
  • 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 19h 46m.

  • 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
American AirlinesPriceFrom $877Free CancellationRating
7.2
11,160 reviews
Search American Airlines flights
Air CanadaPriceFrom $1,169Free CancellationRating
7.1
10,635 reviews
Search Air Canada flights

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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.

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1 adult
Wed 2/18
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