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Cheap flights from Washington, D.C. Reagan-National Airport to Seoul from $465

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 1/7. 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
9:59 am - 12:20 pmDCA-ICN
36h 21m2 stops
Multiple Airlines Logo
6:55 pm - 5:56 pmICN-DCA
37h 01m1 stop
$1,092Multiple Airlines
Find Deal
Thu, Jan 29 - Wed, Feb 4
Multiple Airlines Logo
8:00 am - 6:35 pmDCA-ICN
20h 35m1 stop
Multiple Airlines Logo
6:55 pm - 12:05 pmICN-DCA
30h 10m2 stops
$1,094Multiple Airlines
Find Deal
Sun, Mar 1 - Wed, Mar 11
Multiple Airlines Logo
8:00 am - 6:35 pmDCA-ICN
20h 35m1 stop
Multiple Airlines Logo
6:55 pm - 4:59 pmICN-DCA
35h 04m2 stops
$1,095Multiple Airlines
Find Deal
Wed, Mar 4 - Mon, Mar 16
Multiple Airlines Logo
6:56 pm - 8:30 pmDCA-ICN
35h 34m1 stop
Multiple Airlines Logo
6:55 pm - 5:56 pmICN-DCA
37h 01m1 stop
$1,096Multiple Airlines
Find Deal
Tue, Jan 20 - Sat, Jan 31
Multiple Airlines Logo
5:01 pm - 5:20 amDCA-ICN
22h 19m1 stop
Multiple Airlines Logo
6:55 pm - 5:56 pmICN-DCA
37h 01m1 stop
$1,100Multiple Airlines
Find Deal
Mon, Jan 12 - Mon, Jan 26
Multiple Airlines Logo
6:56 pm - 8:30 pmDCA-ICN
35h 34m1 stop
Multiple Airlines Logo
6:55 pm - 5:56 pmICN-DCA
37h 01m1 stop
$1,103Multiple Airlines
Find Deal
Thu, Jan 29 - Wed, Feb 4
Multiple Airlines Logo
8:00 am - 6:35 pmDCA-ICN
20h 35m1 stop
Multiple Airlines Logo
9:20 pm - 4:09 pmICN-DCA
32h 49m2 stops
$1,106Multiple Airlines
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Sun, Jan 18 - Thu, Feb 5
Multiple Airlines Logo
5:01 pm - 5:20 amDCA-ICN
22h 19m1 stop
Multiple Airlines Logo
6:55 pm - 5:56 pmICN-DCA
37h 01m1 stop
$1,108Multiple Airlines
Find Deal
Mon, Feb 2 - Mon, Feb 9
Multiple Airlines Logo
6:59 pm - 8:30 pmDCA-ICN
35h 31m1 stop
Multiple Airlines Logo
6:55 pm - 5:59 pmICN-DCA
37h 04m1 stop
$1,109Multiple Airlines
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Thu, Feb 19 - Wed, Mar 4
Multiple Airlines Logo
8:00 am - 6:35 pmDCA-ICN
20h 35m1 stop
Multiple Airlines Logo
6:55 pm - 5:56 pmICN-DCA
37h 01m1 stop
$1,113Multiple Airlines
Find Deal
Sun, Jan 18 - Mon, Feb 2

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
Jan 12
DCA11:05 amWashington, D.C. Reagan-National
38h 55m
2 stops
ICN4:00 pmIncheon Intl
Jan 26
ICN8:10 pmIncheon Intl
16h 25m
1 stop
DCA10:35 pmWashington, D.C. Reagan-National
$1,166
Find similar
Air Canada
Dec 2
DCA8:40 pmWashington, D.C. Reagan-National
30h 30m
2 stops
ICN5:10 pmIncheon Intl
Feb 4
ICN5:55 pmIncheon Intl
30h 28m
2 stops
DCA10:23 amWashington, D.C. Reagan-National
$1,393
Find similar
Air Canada
Dec 1
DCA6:00 amWashington, D.C. Reagan-National
22h 25m
2 stops
ICN6:25 pmIncheon Intl
Jan 13
ICN6:55 pmIncheon Intl
28h 00m
2 stops
DCA8:55 amWashington, D.C. Reagan-National
$1,400
Find similar

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

Our best Alaska Airlines deals on Washington, D.C. Reagan-National Airport to Incheon Intl Airport flight tickets
Alaska Airlines
Jan 21
DCA5:09 pmWashington, D.C. Reagan-National
35h 26m
2 stops
ICN6:35 pmIncheon Intl
Jan 31
ICN8:35 pmIncheon Intl
33h 26m
2 stops
DCA4:01 pmWashington, D.C. Reagan-National
$1,179
Find similar
Alaska Airlines
Jan 23
DCA6:56 pmWashington, D.C. Reagan-National
33h 39m
2 stops
ICN6:35 pmIncheon Intl
Feb 9
ICN8:35 pmIncheon Intl
35h 21m
2 stops
DCA5:56 pmWashington, D.C. Reagan-National
$1,200
Find similar
Alaska Airlines
Jan 20
DCA5:09 pmWashington, D.C. Reagan-National
59h 26m
2 stops
ICN6:35 pmIncheon Intl
Feb 5
ICN8:35 pmIncheon Intl
33h 26m
2 stops
DCA4:01 pmWashington, D.C. Reagan-National
$1,202
Find similar

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 November 29, 2025.
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

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Thu 1/29

9:59 am-12:20 pm

2 stops36h 21m

Incheon Intl

Wed 2/4

6:55 pm-5:56 pm

1 stop37h 01m

$1,092

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Sun 3/1

8:00 am-6:35 pm

1 stop20h 35m

Incheon Intl

Wed 3/11

6:55 pm-12:05 pm

2 stops30h 10m

$1,094

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Wed 3/4

8:00 am-6:35 pm

1 stop20h 35m

Incheon Intl

Mon 3/16

6:55 pm-4:59 pm

2 stops35h 04m

$1,095

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Tue 1/20

6:56 pm-8:30 pm

1 stop35h 34m

Incheon Intl

Sat 1/31

6:55 pm-5:56 pm

1 stop37h 01m

$1,096

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Mon 1/12

5:01 pm-5:20 am

1 stop22h 19m

Incheon Intl

Mon 1/26

6:55 pm-5:56 pm

1 stop37h 01m

$1,100

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Thu 1/29

6:56 pm-8:30 pm

1 stop35h 34m

Incheon Intl

Wed 2/4

6:55 pm-5:56 pm

1 stop37h 01m

$1,103

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Sun 1/18

8:00 am-6:35 pm

1 stop20h 35m

Incheon Intl

Thu 2/5

9:20 pm-4:09 pm

2 stops32h 49m

$1,106

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Mon 2/2

5:01 pm-5:20 am

1 stop22h 19m

Incheon Intl

Mon 2/9

6:55 pm-5:56 pm

1 stop37h 01m

$1,108

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Thu 2/19

6:59 pm-8:30 pm

1 stop35h 31m

Incheon Intl

Wed 3/4

6:55 pm-5:59 pm

1 stop37h 04m

$1,109

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Sun 1/18

8:00 am-6:35 pm

1 stop20h 35m

Incheon Intl

Mon 2/2

6:55 pm-5:56 pm

1 stop37h 01m

$1,113

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 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 January. Flight prices, which tend to average around $875, 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 January, then departing from Washington, D.C. Reagan-National Airport during the month April is also very affordable. Most momondo users find prices during this month for around $917.

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 $1,369. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $1,658. 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?

In the evening 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 $1,169. Flying to Incheon Intl Airport in the evening 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 afternoon when prices are $1,655 on average. Flights to Incheon Intl Airport from Washington, D.C. Reagan-National Airport in the afternoon 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 2% 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

20h 35m

Direct flights

None
The fastest flight from Washington, D.C. Reagan-National Airport to Incheon Intl Airport takes 20h 35m
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.
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  • 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 20h 35m 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 $874Free CancellationRating
7.1
10,485 reviews
Search Air Canada flights
American AirlinesPriceFrom $877Free CancellationRating
7.2
11,042 reviews
Search American Airlines flights
Korean AirPriceFrom $1,583Free CancellationRating
8.4
1,174 reviews
Search Korean Air flights

Traveling to a place near Seoul?

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

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.

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

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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