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Cheap flights from Washington, D.C. Reagan-National Airport to Seoul from $466

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 11/4. 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 - 5:10 amDCA-ICN
29h 11m1 stop
Multiple Airlines Logo
6:55 pm - 4:59 pmICN-DCA
36h 04m2 stops
$930Multiple Airlines
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Fri, Nov 14 - Mon, Nov 17
Multiple Airlines Logo
6:58 pm - 8:30 pmDCA-ICN
35h 32m1 stop
Multiple Airlines Logo
6:55 pm - 4:59 pmICN-DCA
36h 04m2 stops
$956Multiple Airlines
Find Deal
Tue, Nov 4 - Wed, Nov 12
Multiple Airlines Logo
9:59 am - 5:10 amDCA-ICN
29h 11m1 stop
Multiple Airlines Logo
6:55 pm - 4:59 pmICN-DCA
36h 04m2 stops
$975Multiple Airlines
Find Deal
Mon, Nov 10 - Fri, Nov 14
Multiple Airlines Logo
9:59 am - 5:10 amDCA-ICN
29h 11m1 stop
Multiple Airlines Logo
6:55 pm - 4:59 pmICN-DCA
36h 04m2 stops
$981Multiple Airlines
Find Deal
Mon, Nov 10 - Mon, Nov 17
Multiple Airlines Logo
6:00 pm - 8:30 pmDCA-ICN
36h 30m2 stops
Multiple Airlines Logo
8:35 pm - 4:05 pmICN-DCA
33h 30m1 stop
$986Multiple Airlines
Find Deal
Sat, Dec 6 - Sun, Dec 28
Multiple Airlines Logo
9:59 am - 5:10 amDCA-ICN
29h 11m1 stop
Multiple Airlines Logo
6:55 pm - 5:58 pmICN-DCA
37h 03m1 stop
$1,001Multiple Airlines
Find Deal
Fri, Nov 14 - Mon, Nov 17
Multiple Airlines Logo
9:59 am - 5:10 amDCA-ICN
29h 11m1 stop
Multiple Airlines Logo
6:55 pm - 4:59 pmICN-DCA
36h 04m2 stops
$1,004Multiple Airlines
Find Deal
Fri, Nov 14 - Wed, Dec 3
China Eastern Logo
11:10 am - 3:05 pmDCA-ICN
37h 55m2 stops
China Eastern Logo
4:20 pm - 6:00 pmICN-DCA
39h 40m2 stops
$1,050China Eastern
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Mon, Nov 3 - Mon, Nov 17
Philippine Airlines Logo
8:35 am - 7:25 pmDCA-ICN
68h 50m2 stops
Philippine Airlines Logo
8:35 pm - 8:44 pmICN-DCA
38h 09m2 stops
$1,162Philippine Airlines
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Wed, Nov 5 - Wed, Nov 12
Philippine Airlines Logo
5:21 pm - 6:10 amDCA-ICN
47h 49m2 stops
Philippine Airlines Logo
8:35 pm - 8:44 pmICN-DCA
38h 09m2 stops
$1,184Philippine Airlines
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Sat, Nov 1 - Sun, Nov 9

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
Oct 21
DCA9:40 amWashington, D.C. Reagan-National
17h 35m
1 stop
ICN4:15 pmIncheon Intl
Oct 28
ICN5:55 pmIncheon Intl
29h 31m
2 stops
DCA10:26 amWashington, D.C. Reagan-National
$1,387
Find similar
Air Canada
Oct 20
DCA4:35 pmWashington, D.C. Reagan-National
34h 40m
1 stop
ICN4:15 pmIncheon Intl
Oct 30
ICN5:55 pmIncheon Intl
28h 00m
2 stops
DCA8:55 amWashington, D.C. Reagan-National
$1,393
Find similar
Air Canada
Oct 20
DCA4:35 pmWashington, D.C. Reagan-National
34h 40m
1 stop
ICN4:15 pmIncheon Intl
Oct 28
ICN5:55 pmIncheon Intl
29h 31m
2 stops
DCA10:26 amWashington, D.C. Reagan-National
$1,397
Find similar

Cathay Pacific flights from Washington, D.C. Reagan-National Airport to Incheon Intl Airport

Our best Cathay Pacific deals on Washington, D.C. Reagan-National Airport to Incheon Intl Airport flight tickets
Cathay Pacific
Oct 20
DCA7:02 pmWashington, D.C. Reagan-National
35h 03m
2 stops
ICN7:05 pmIncheon Intl
Oct 28
ICN3:00 pmIncheon Intl
46h 59m
2 stops
DCA12:59 amWashington, D.C. Reagan-National
$1,233
Find similar
Cathay Pacific
Oct 20
DCA10:45 pmWashington, D.C. Reagan-National
48h 55m
2 stops
ICN12:40 pmIncheon Intl
Oct 29
ICN7:35 pmIncheon Intl
37h 41m
2 stops
DCA8:16 pmWashington, D.C. Reagan-National
$1,240
Find similar
Cathay Pacific
Oct 23
DCA12:31 pmWashington, D.C. Reagan-National
41h 34m
2 stops
ICN7:05 pmIncheon Intl
Nov 12
ICN3:00 pmIncheon Intl
46h 56m
2 stops
DCA11:56 pmWashington, D.C. Reagan-National
$1,248
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 October 9, 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

Fri 11/14

9:59 am-5:10 am

1 stop29h 11m

Incheon Intl

Mon 11/17

6:55 pm-4:59 pm

2 stops36h 04m

$930

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Tue 11/4

6:58 pm-8:30 pm

1 stop35h 32m

Incheon Intl

Wed 11/12

6:55 pm-4:59 pm

2 stops36h 04m

$956

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Mon 11/10

9:59 am-5:10 am

1 stop29h 11m

Incheon Intl

Fri 11/14

6:55 pm-4:59 pm

2 stops36h 04m

$975

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Mon 11/10

9:59 am-5:10 am

1 stop29h 11m

Incheon Intl

Mon 11/17

6:55 pm-4:59 pm

2 stops36h 04m

$981

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Sat 12/6

6:00 pm-8:30 pm

2 stops36h 30m

Incheon Intl

Sun 12/28

8:35 pm-4:05 pm

1 stop33h 30m

$986

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Fri 11/14

9:59 am-5:10 am

1 stop29h 11m

Incheon Intl

Mon 11/17

6:55 pm-5:58 pm

1 stop37h 03m

$1,001

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Fri 11/14

9:59 am-5:10 am

1 stop29h 11m

Incheon Intl

Wed 12/3

6:55 pm-4:59 pm

2 stops36h 04m

$1,004

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Mon 11/3

11:10 am-3:05 pm

2 stops37h 55m

Incheon Intl

Mon 11/17

4:20 pm-6:00 pm

2 stops39h 40m

$1,050

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Wed 11/5

8:35 am-7:25 pm

2 stops68h 50m

Incheon Intl

Wed 11/12

8:35 pm-8:44 pm

2 stops38h 09m

$1,162

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Sat 11/1

5:21 pm-6:10 am

2 stops47h 49m

Incheon Intl

Sun 11/9

8:35 pm-8:44 pm

2 stops38h 09m

$1,184

Flights are sorted by cheapest round-trip flights 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 February is also very affordable. Most momondo users find prices during this month for around $875.

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 $1,410. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $1,632. 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 at noon when prices are $1,656 on average. Flights to Incheon Intl Airport from Washington, D.C. Reagan-National Airport at noon 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 1% 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

Direct flights

None
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 $864Free CancellationRating
7.1
10,257 reviews
Search Air Canada flights
American AirlinesPriceFrom $877Free CancellationRating
7.2
11,043 reviews
Search American Airlines flights
Korean AirPriceFrom $1,583Free CancellationRating
8.4
1,148 reviews
Search Korean Air flights

Traveling to a place near Seoul?

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Daejeon
Seongnam
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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.

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