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Cheap flights from Washington, D.C. Reagan-National Airport to Seoul from $475

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 8/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

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
8:40 pm - 6:45 pm
DCA
-
ICN
33h 05m
2 stops
Multiple Airlines Logo
8:45 pm - 12:14 pm
ICN
-
DCA
28h 29m
3 stops
$1,038Multiple Airlines
ג', ספט' 8 - א', ספט' 13
Multiple Airlines Logo
7:00 am - 9:40 pm
DCA
-
ICN
25h 40m
2 stops
Multiple Airlines Logo
7:15 pm - 5:59 pm
ICN
-
DCA
35h 44m
1 stop
$1,090Multiple Airlines
ד', אוג' 26 - ו', ספט' 11
Multiple Airlines Logo
6:59 am - 6:45 pm
DCA
-
ICN
22h 46m
2 stops
Multiple Airlines Logo
8:45 pm - 3:40 pm
ICN
-
DCA
31h 55m
3 stops
$1,098Multiple Airlines
ה', ספט' 17 - ב', ספט' 21
Multiple Airlines Logo
7:00 am - 9:40 pm
DCA
-
ICN
25h 40m
2 stops
Multiple Airlines Logo
7:45 pm - 5:57 pm
ICN
-
DCA
35h 12m
1 stop
$1,098Multiple Airlines
ב', אוק' 19 - ב', אוק' 26
Multiple Airlines Logo
7:00 am - 9:40 pm
DCA
-
ICN
25h 40m
2 stops
Multiple Airlines Logo
7:45 pm - 5:57 pm
ICN
-
DCA
35h 12m
1 stop
$1,098Multiple Airlines
ב', אוק' 19 - ו', אוק' 30
Multiple Airlines Logo
6:00 pm - 9:20 pm
DCA
-
ICN
37h 20m
2 stops
Multiple Airlines Logo
7:45 pm - 5:59 pm
ICN
-
DCA
36h 14m
1 stop
$1,100Multiple Airlines
ג', נוב' 3 - ו', נוב' 13
Multiple Airlines Logo
6:59 am - 6:45 pm
DCA
-
ICN
22h 46m
2 stops
Multiple Airlines Logo
8:45 pm - 8:55 am
ICN
-
DCA
25h 10m
2 stops
$1,102Multiple Airlines
ה', ספט' 17 - ב', ספט' 21
Multiple Airlines Logo
6:55 pm - 6:45 pm
DCA
-
ICN
34h 50m
3 stops
Multiple Airlines Logo
2:35 am - 9:50 pm
ICN
-
DCA
32h 15m
3 stops
$1,105Multiple Airlines
ש', ספט' 12 - ו', ספט' 18
Air Canada Logo
4:20 pm - 4:25 pm
DCA
-
ICN
35h 05m
1 stop
Air Canada Logo
5:45 pm - 10:20 am
ICN
-
DCA
29h 35m
2 stops
$1,287Air Canada
ד', ספט' 16 - ה', אוק' 15
Air Canada Logo
9:40 am - 4:25 pm
DCA
-
ICN
17h 45m
1 stop
Air Canada Logo
5:45 pm - 10:20 am
ICN
-
DCA
29h 35m
2 stops
$1,287Air Canada
ג', ספט' 29 - ג', אוק' 20

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

Our best Korean Air deals on Washington, D.C. Reagan-National Airport to Seoul flight tickets
Korean Air
Aug 25
DCA6:59 amWashington, D.C. Reagan-National
21h 51m
1 stop
ICN5:50 pmIncheon Intl
Sep 8
ICN4:25 pmIncheon Intl
17h 12m
1 stop
DCA8:37 pmWashington, D.C. Reagan-National
$1,171
Korean Air
Aug 10
DCA6:00 amWashington, D.C. Reagan-National
19h 10m
1 stop
ICN2:10 pmIncheon Intl
Dec 24
ICN5:40 pmIncheon Intl
17h 35m
1 stop
DCA9:15 pmWashington, D.C. Reagan-National
$1,305
Korean Air
Aug 5
DCA6:00 amWashington, D.C. Reagan-National
20h 55m
1 stop
ICN3:55 pmIncheon Intl
Aug 30
ICN6:50 pmIncheon Intl
17h 58m
1 stop
DCA11:48 pmWashington, D.C. Reagan-National
$1,371

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

Our best Delta deals on Washington, D.C. Reagan-National Airport to Seoul flight tickets
Delta
Aug 6
DCA6:00 amWashington, D.C. Reagan-National
19h 10m
1 stop
ICN2:10 pmIncheon Intl
Sep 16
ICN7:40 pmIncheon Intl
17h 19m
1 stop
DCA11:59 pmWashington, D.C. Reagan-National
$1,327
Delta
Aug 1
DCA1:54 pmWashington, D.C. Reagan-National
25h 06m
1 stop
ICN4:00 amIncheon Intl
Aug 31
ICN6:50 pmIncheon Intl
17h 58m
1 stop
DCA11:48 pmWashington, D.C. Reagan-National
$1,377
Delta
Aug 1
DCA7:37 pmWashington, D.C. Reagan-National
19h 23m
1 stop
ICN4:00 amIncheon Intl
Aug 31
ICN6:50 pmIncheon Intl
17h 58m
1 stop
DCA11:48 pmWashington, D.C. Reagan-National
$1,427

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 יולי 31, 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

ג' 9/8

8:40 pm-6:45 pm

2 stops33h 05m

Incheon Intl

א' 9/13

8:45 pm-12:14 pm

3 stops28h 29m

$1,038

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

ד' 8/26

7:00 am-9:40 pm

2 stops25h 40m

Incheon Intl

ו' 9/11

7:15 pm-5:59 pm

1 stop35h 44m

$1,090

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

ה' 9/17

6:59 am-6:45 pm

2 stops22h 46m

Incheon Intl

ב' 9/21

8:45 pm-3:40 pm

3 stops31h 55m

$1,098

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

ב' 10/19

7:00 am-9:40 pm

2 stops25h 40m

Incheon Intl

ב' 10/26

7:45 pm-5:57 pm

1 stop35h 12m

$1,098

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

ב' 10/19

7:00 am-9:40 pm

2 stops25h 40m

Incheon Intl

ו' 10/30

7:45 pm-5:57 pm

1 stop35h 12m

$1,098

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

ג' 11/3

6:00 pm-9:20 pm

2 stops37h 20m

Incheon Intl

ו' 11/13

7:45 pm-5:59 pm

1 stop36h 14m

$1,100

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

ה' 9/17

6:59 am-6:45 pm

2 stops22h 46m

Incheon Intl

ב' 9/21

8:45 pm-8:55 am

2 stops25h 10m

$1,102

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

ש' 9/12

6:55 pm-6:45 pm

3 stops34h 50m

Incheon Intl

ו' 9/18

2:35 am-9:50 pm

3 stops32h 15m

$1,105

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

ד' 9/16

4:20 pm-4:25 pm

1 stop35h 05m

Incheon Intl

ה' 10/15

5:45 pm-10:20 am

2 stops29h 35m

$1,287
Quickest round-trip

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

ג' 9/29

9:40 am-4:25 pm

1 stop17h 45m

Incheon Intl

ג' 10/20

5:45 pm-10:20 am

2 stops29h 35m

$1,287

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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 month to fly to Seoul?

The month of February is another great option to travel to Seoul, with average flight prices from Washington, D.C. Reagan-National Airport averaging around $1,137.

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 $1,260. 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 $1,508.

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 evening is the least expensive time of day to depart. momondo users have found prices as low as $1,063 when looking at flights departing in the evening. In the morning is when there is more demand to fly to Seoul, so prices are often more expensive at around $1,366 per ticket.

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

You could potentially save up to 18% 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 11m

Direct flights

None
The fastest flight from Washington, D.C. Reagan-National Airport to Seoul takes 18h 11m
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 18h 11m.

  • 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.

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
11,416 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