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Cheap flights from Washington, D.C. Reagan-National Airport to Seoul from $593

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 5/27. 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.
Air Canada Logo
6:00 am - 4:25 pm
DCA
-
ICN
21h 25m
1 stop
Air Canada Logo
6:00 pm - 3:40 pm
ICN
-
DCA
34h 40m
1 stop
$1,323Air Canada
Tue, Sep 15 - Wed, Oct 14
Air Canada Logo
4:20 pm - 4:25 pm
DCA
-
ICN
35h 05m
1 stop
Air Canada Logo
5:55 pm - 8:57 am
ICN
-
DCA
28h 02m
2 stops
$1,328Air Canada
Mon, Sep 28 - Mon, Oct 26
American Airlines Logo
10:26 pm - 3:45 pm
DCA
-
ICN
28h 19m
2 stops
American Airlines Logo
5:50 pm - 7:42 am
ICN
-
DCA
26h 52m
2 stops
$1,331American Airlines
Wed, Sep 2 - Tue, Sep 15
Air Canada Logo
6:00 am - 5:30 pm
DCA
-
ICN
22h 30m
2 stops
Air Canada Logo
5:55 pm - 8:57 am
ICN
-
DCA
28h 02m
2 stops
$1,336Air Canada
Mon, Sep 28 - Mon, Oct 26
American Airlines Logo
7:30 am - 3:45 pm
DCA
-
ICN
19h 15m
1 stop
American Airlines Logo
5:50 pm - 11:00 pm
ICN
-
DCA
18h 10m
1 stop
$1,343American Airlines
Tue, Sep 15 - Wed, Oct 14
American Airlines Logo
5:00 am - 3:45 pm
DCA
-
ICN
21h 45m
2 stops
American Airlines Logo
5:50 pm - 7:50 am
ICN
-
DCA
27h 00m
2 stops
$1,347American Airlines
Tue, Sep 15 - Wed, Oct 14
Cathay Pacific Logo
7:08 pm - 12:40 pm
DCA
-
ICN
28h 32m
2 stops
Cathay Pacific Logo
8:00 am - 11:58 pm
ICN
-
DCA
28h 58m
2 stops
$1,355Cathay Pacific
Mon, Aug 3 - Mon, Aug 24
Multiple Airlines Logo
9:59 am - 4:30 am
DCA
-
ICN
29h 31m
1 stop
Multiple Airlines Logo
8:35 am - 8:00 pm
ICN
-
DCA
24h 25m
2 stops
$1,362Multiple Airlines
Sat, Aug 15 - Thu, Aug 27
Japan Airlines Logo
8:20 am - 9:15 pm
DCA
-
GMP
23h 55m
2 stops
Japan Airlines Logo
12:05 pm - 11:02 pm
GMP
-
DCA
23h 57m
2 stops
$1,401Japan Airlines
Wed, Sep 9 - Tue, Sep 15
Japan Airlines Logo
7:44 am - 9:15 pm
DCA
-
GMP
24h 31m
2 stops
Japan Airlines Logo
12:05 pm - 11:02 pm
GMP
-
DCA
23h 57m
2 stops
$1,403Japan Airlines
Mon, Sep 21 - Thu, Oct 1

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
Sep 15
DCA6:00 amWashington, D.C. Reagan-National
21h 25m
1 stop
ICN4:25 pmIncheon Intl
Oct 14
ICN6:00 pmIncheon Intl
34h 40m
1 stop
DCA3:40 pmWashington, D.C. Reagan-National
$1,323
Air Canada
Sep 28
DCA4:20 pmWashington, D.C. Reagan-National
35h 05m
1 stop
ICN4:25 pmIncheon Intl
Oct 26
ICN5:55 pmIncheon Intl
28h 02m
2 stops
DCA8:57 amWashington, D.C. Reagan-National
$1,328
Air Canada
Sep 15
DCA6:00 amWashington, D.C. Reagan-National
22h 30m
2 stops
ICN5:30 pmIncheon Intl
Oct 14
ICN5:45 pmIncheon Intl
28h 10m
2 stops
DCA8:55 amWashington, D.C. Reagan-National
$1,336

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
Sep 2
DCA10:26 pmWashington, D.C. Reagan-National
28h 19m
2 stops
ICN3:45 pmIncheon Intl
Sep 15
ICN5:50 pmIncheon Intl
26h 52m
2 stops
DCA7:42 amWashington, D.C. Reagan-National
$1,331
American Airlines
Sep 15
DCA7:30 amWashington, D.C. Reagan-National
19h 15m
1 stop
ICN3:45 pmIncheon Intl
Oct 14
ICN5:50 pmIncheon Intl
18h 10m
1 stop
DCA11:00 pmWashington, D.C. Reagan-National
$1,343
American Airlines
Sep 15
DCA7:30 amWashington, D.C. Reagan-National
19h 15m
1 stop
ICN3:45 pmIncheon Intl
Oct 14
ICN5:50 pmIncheon Intl
26h 09m
2 stops
DCA6:59 amWashington, D.C. Reagan-National
$1,347

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 April 24, 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

Tue 9/15

6:00 am-4:25 pm

1 stop21h 25m

Incheon Intl

Wed 10/14

6:00 pm-3:40 pm

1 stop34h 40m

$1,323

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Mon 9/28

4:20 pm-4:25 pm

1 stop35h 05m

Incheon Intl

Mon 10/26

5:55 pm-8:57 am

2 stops28h 02m

$1,328

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Wed 9/2

10:26 pm-3:45 pm

2 stops28h 19m

Incheon Intl

Tue 9/15

5:50 pm-7:42 am

2 stops26h 52m

$1,331

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Mon 9/28

6:00 am-5:30 pm

2 stops22h 30m

Incheon Intl

Mon 10/26

5:55 pm-8:57 am

2 stops28h 02m

$1,336
Quickest round-trip

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Tue 9/15

7:30 am-3:45 pm

1 stop19h 15m

Incheon Intl

Wed 10/14

5:50 pm-11:00 pm

1 stop18h 10m

$1,343

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Tue 9/15

5:00 am-3:45 pm

2 stops21h 45m

Incheon Intl

Wed 10/14

5:50 pm-7:50 am

2 stops27h 00m

$1,347

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Mon 8/3

7:08 pm-12:40 pm

2 stops28h 32m

Incheon Intl

Mon 8/24

8:00 am-11:58 pm

2 stops28h 58m

$1,355

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Sat 8/15

9:59 am-4:30 am

1 stop29h 31m

Incheon Intl

Thu 8/27

8:35 am-8:00 pm

2 stops24h 25m

$1,362

Washington, D.C.Seoul

DCA - GMP

DCAGMP

Washington, D.C. Reagan-National

Wed 9/9

8:20 am-9:15 pm

2 stops23h 55m

Seoul Gimpo Intl

Tue 9/15

12:05 pm-11:02 pm

2 stops23h 57m

$1,401

Washington, D.C.Seoul

DCA - GMP

DCAGMP

Washington, D.C. Reagan-National

Mon 9/21

7:44 am-9:15 pm

2 stops24h 31m

Seoul Gimpo Intl

Thu 10/1

12:05 pm-11:02 pm

2 stops23h 57m

$1,403

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 $1,215. 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 Thursday, with ticket prices averaging around $1,421.

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

Flying to Seoul from Washington, D.C. Reagan-National Airport at noon is the least expensive time of day to depart. momondo users have found prices as low as $1,284 when looking at flights departing at noon. In the morning is when there is more demand to fly to Seoul, so prices are often more expensive at around $1,319 per ticket.

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

You could potentially save up to 11% 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

17h 30m

Direct flights

None
The fastest flight from Washington, D.C. Reagan-National Airport to Seoul takes 17h 30m
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

Frequently asked questions about flying 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 17h 30m.

  • 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 $1,137Free CancellationRating
7.1
10,961 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