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Cheap flights from Washington, D.C. Reagan-National Airport to Seoul from $456

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 5/5. 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
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.
Air Canada Logo
4:20 pm - 4:25 pm
DCA
-
ICN
35h 05m
1 stop
Air Canada Logo
6:55 pm - 10:21 am
ICN
-
DCA
29h 26m
2 stops
$1,245Air Canada
Mon, Sep 21 - Wed, Nov 11
Air Canada Logo
6:00 am - 4:25 pm
DCA
-
ICN
21h 25m
1 stop
Air Canada Logo
5:45 pm - 8:55 am
ICN
-
DCA
28h 10m
2 stops
$1,250Air Canada
Thu, Sep 17 - Thu, Oct 1
Air Canada Logo
6:00 am - 5:30 pm
DCA
-
ICN
22h 30m
2 stops
Air Canada Logo
6:55 pm - 10:21 am
ICN
-
DCA
29h 26m
2 stops
$1,254Air Canada
Mon, Sep 21 - Wed, Nov 11
Air Canada Logo
6:00 am - 5:30 pm
DCA
-
ICN
22h 30m
2 stops
Air Canada Logo
5:45 pm - 8:55 am
ICN
-
DCA
28h 10m
2 stops
$1,259Air Canada
Thu, Sep 17 - Thu, Oct 1
Air Canada Logo
4:20 pm - 4:25 pm
DCA
-
ICN
35h 05m
1 stop
Air Canada Logo
7:05 pm - 10:34 pm
ICN
-
DCA
16h 29m
1 stop
$1,260Air Canada
Wed, Sep 16 - Thu, Oct 1
Air Canada Logo
8:40 pm - 5:30 pm
DCA
-
ICN
31h 50m
1 stop
Air Canada Logo
7:05 pm - 10:34 pm
ICN
-
DCA
16h 29m
1 stop
$1,265Air Canada
Tue, Sep 29 - Thu, Oct 8
Air Canada Logo
6:00 am - 5:30 pm
DCA
-
ICN
22h 30m
2 stops
Air Canada Logo
7:05 pm - 10:34 pm
ICN
-
DCA
16h 29m
1 stop
$1,269Air Canada
Wed, Sep 16 - Thu, Oct 1
Asiana Airlines Logo
9:40 am - 4:25 pm
DCA
-
ICN
17h 45m
1 stop
Asiana Airlines Logo
7:05 pm - 10:34 pm
ICN
-
DCA
16h 29m
1 stop
$1,279Asiana Airlines
Tue, Sep 15 - Thu, Oct 1
Air Canada Logo
4:20 pm - 4:25 pm
DCA
-
ICN
35h 05m
1 stop
Air Canada Logo
6:00 pm - 3:40 pm
ICN
-
DCA
34h 40m
1 stop
$1,282Air Canada
Mon, Sep 28 - Fri, Oct 9
Air Canada Logo
4:20 pm - 4:25 pm
DCA
-
ICN
35h 05m
1 stop
Air Canada Logo
5:45 pm - 8:55 am
ICN
-
DCA
28h 10m
2 stops
$1,287Air Canada
Mon, Sep 28 - Fri, Oct 9

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

Our best Air Canada deals on Washington, D.C. Reagan-National Airport to Incheon Intl Airport flight tickets
Air Canada
Sep 21
DCA4:20 pmWashington, D.C. Reagan-National
35h 05m
1 stop
ICN4:25 pmIncheon Intl
Nov 11
ICN6:55 pmIncheon Intl
29h 26m
2 stops
DCA10:21 amWashington, D.C. Reagan-National
$1,245
Air Canada
Sep 17
DCA6:00 amWashington, D.C. Reagan-National
21h 25m
1 stop
ICN4:25 pmIncheon Intl
Oct 1
ICN5:45 pmIncheon Intl
28h 10m
2 stops
DCA8:55 amWashington, D.C. Reagan-National
$1,250
Air Canada
Sep 21
DCA6:00 amWashington, D.C. Reagan-National
22h 30m
2 stops
ICN5:30 pmIncheon Intl
Nov 11
ICN6:55 pmIncheon Intl
29h 26m
2 stops
DCA10:21 amWashington, D.C. Reagan-National
$1,254

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

Our best American Airlines deals on Washington, D.C. Reagan-National Airport to Incheon Intl Airport flight tickets
American Airlines
Aug 12
DCA6:59 amWashington, D.C. Reagan-National
19h 46m
1 stop
ICN3:45 pmIncheon Intl
Aug 26
ICN5:50 pmIncheon Intl
19h 08m
1 stop
DCA11:58 pmWashington, D.C. Reagan-National
$1,342
American Airlines
Aug 12
DCA5:00 amWashington, D.C. Reagan-National
21h 45m
2 stops
ICN3:45 pmIncheon Intl
Aug 26
ICN5:50 pmIncheon Intl
19h 08m
1 stop
DCA11:58 pmWashington, D.C. Reagan-National
$1,347
American Airlines
Sep 6
DCA6:57 pmWashington, D.C. Reagan-National
31h 48m
1 stop
ICN3:45 pmIncheon Intl
Sep 14
ICN5:50 pmIncheon Intl
18h 10m
1 stop
DCA11:00 pmWashington, D.C. Reagan-National
$1,351

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Reagan-National Airport to Incheon Intl Airport 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 17, 2026.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Incheon Intl Airport 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

Mon 9/21

4:20 pm-4:25 pm

1 stop35h 05m

Incheon Intl

Wed 11/11

6:55 pm-10:21 am

2 stops29h 26m

$1,245

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Thu 9/17

6:00 am-4:25 pm

1 stop21h 25m

Incheon Intl

Thu 10/1

5:45 pm-8:55 am

2 stops28h 10m

$1,250

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Mon 9/21

6:00 am-5:30 pm

2 stops22h 30m

Incheon Intl

Wed 11/11

6:55 pm-10:21 am

2 stops29h 26m

$1,254

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Thu 9/17

6:00 am-5:30 pm

2 stops22h 30m

Incheon Intl

Thu 10/1

5:45 pm-8:55 am

2 stops28h 10m

$1,259

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Wed 9/16

4:20 pm-4:25 pm

1 stop35h 05m

Incheon Intl

Thu 10/1

7:05 pm-10:34 pm

1 stop16h 29m

$1,260

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Tue 9/29

8:40 pm-5:30 pm

1 stop31h 50m

Incheon Intl

Thu 10/8

7:05 pm-10:34 pm

1 stop16h 29m

$1,265

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Wed 9/16

6:00 am-5:30 pm

2 stops22h 30m

Incheon Intl

Thu 10/1

7:05 pm-10:34 pm

1 stop16h 29m

$1,269
Quickest round-trip

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Tue 9/15

9:40 am-4:25 pm

1 stop17h 45m

Incheon Intl

Thu 10/1

7:05 pm-10:34 pm

1 stop16h 29m

$1,279

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

Fri 10/9

6:00 pm-3:40 pm

1 stop34h 40m

$1,282

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

Fri 10/9

5:45 pm-8:55 am

2 stops28h 10m

$1,287

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 Incheon Intl Airport

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 Incheon Intl Airport?

What is the cheapest month to fly to Incheon Intl Airport?

The cheapest month to fly to Incheon Intl Airport from Washington, D.C. Reagan-National Airport is in February. Flight prices, which tend to average around $1,137, are often lower during this time because this is during the off-season. If you are unable to visit Incheon Intl Airport during the month of February, then departing from Washington, D.C. Reagan-National Airport during the month August is also very affordable. Most momondo users find prices during this month for around $1,169.

What is the cheapest day to depart on your flight to Incheon Intl Airport?

The cheapest day to depart from Washington, D.C. Reagan-National Airport to Incheon Intl Airport is on a Tuesday when prices can be found for as low as $1,218. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around $1,433. These prices are subject to change though, so be sure to set up a Price Alert for flights to Incheon Intl Airport.

What is the cheapest time of day to depart on your flight to Incheon Intl Airport?

At noon is the cheapest time of day to fly from Washington, D.C. Reagan-National Airport to Incheon Intl Airport when you can find flight prices for as low as $1,284. Flying to Incheon Intl Airport at noon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $1,317 on average. Flights to Incheon Intl Airport from Washington, D.C. Reagan-National Airport in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

You could potentially save up to 11% on your flight if you consider stops on a Washington, D.C. Reagan-National Airport to Incheon Intl Airport flight.

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

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

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

Fastest flight time

17h 45m

Direct flights

None
The fastest flight from Washington, D.C. Reagan-National Airport to Incheon Intl Airport takes 17h 45m
There are no direct flights from Washington, D.C. Reagan-National Airport to Incheon Intl Airport. There are no popular flight routes from Washington, D.C. Reagan-National Airport to Incheon Intl Airport.
Search flight deals

Frequently asked questions about flying from Washington, D.C. Reagan-National Airport to Incheon Intl Airport

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

    Washington, D.C. Reagan-National and Incheon Intl are 6952.5 mi apart from one another. Typically, this will take 17h 45m by plane in normal conditions.

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

    Prices for flights from Washington, D.C. Reagan-National Airport to Incheon Intl Airport refresh daily.

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Reagan-National Airport to Incheon Intl Airport.

  • What documentation or ID do you need to fly to Incheon Intl Airport?

    The necessary travel and health documents for your Incheon Intl Airport 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 airline from Washington, D.C. Reagan-National Airport to Incheon Intl Airport?

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

Compare and see reviews for airlines that fly from Washington, D.C. Reagan-National Airport to Incheon Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom $1,137Free CancellationRating
7.1
10,932 reviews
Search Air Canada flights

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To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Seoul from Washington, D.C..

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

Yes. All flights to Seoul from Washington, D.C. on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once all potential Washington, D.C. to Seoul flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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Yes. momondo can track prices for Washington, D.C. to Seoul flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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