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Cheap flights from Incheon Intl Airport to Washington, D.C. from $378

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Incheon Intl Airport to Washington, D.C. departing on 1/21. 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 Incheon Intl Airport to Washington, D.C.

Cheap round-trip flights

These are some of the best round-trip flight deals from Incheon Intl Airport to Washington, D.C. that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Incheon Intl Airport to Washington, D.C..

Cheap last minute flights

Planning a quick getaway from Incheon Intl Airport to Washington, D.C.? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Washington, D.C., so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Incheon Intl Airport to Washington, D.C.

Find recent round-trip train or bus tickets from Incheon Intl Airport to Washington, D.C..

All round-trip flight deals to Washington, D.C.

The cheapest plane tickets to Washington, D.C. found on KAYAK recently.
12:45 pm - 9:13 pmICN-IAD
22h 28m1 stop
8:25 am - 4:15 pmIAD-ICN
41h 50m2 stops
$544United Airlines
Find Deal
Tue, Jan 28 - Wed, Mar 5
12:45 pm - 11:13 amICN-IAD
36h 28m2 stops
6:00 am - 5:40 amIAD-ICN
33h 40m2 stops
$546United Airlines
Find Deal
Wed, Dec 4 - Fri, Dec 6
6:50 pm - 11:00 pmICN-BWI
18h 10m1 stop
6:48 am - 3:15 pmBWI-ICN
19h 27m1 stop
$653American Airlines
Find Deal
Tue, Feb 25 - Wed, Apr 16
6:50 pm - 10:34 pmICN-IAD
17h 44m1 stop
6:57 am - 3:15 pmIAD-ICN
19h 18m1 stop
$653American Airlines
Find Deal
Tue, Feb 25 - Wed, Apr 16
4:55 pm - 11:31 amICN-IAD
31h 36m2 stops
3:55 pm - 3:25 pmIAD-ICN
34h 30m2 stops
$800Air Canada
Find Deal
Wed, Mar 12 - Sun, Mar 23
4:55 pm - 11:31 amICN-IAD
31h 36m2 stops
3:55 pm - 3:25 pmIAD-ICN
34h 30m2 stops
$802Air Canada
Find Deal
Thu, Mar 13 - Sun, Mar 23
7:30 pm - 11:49 pmICN-BWI
18h 19m1 stop
6:00 am - 3:30 pmBWI-ICN
19h 30m1 stop
$939Delta
Find Deal
Thu, Dec 5 - Thu, Feb 20
7:30 pm - 11:55 pmICN-BWI
18h 25m1 stop
5:33 pm - 4:15 pmBWI-ICN
32h 42m2 stops
$990Delta
Find Deal
Sat, Dec 14 - Tue, Jan 14
7:25 pm - 12:38 amICN-BWI
19h 13m1 stop
6:41 pm - 5:45 amBWI-ICN
21h 04m1 stop
$1,044Korean Air
Find Deal
Mon, Feb 17 - Tue, Feb 18
7:25 pm - 11:03 pmICN-BWI
17h 38m1 stop
6:00 am - 3:30 pmBWI-ICN
19h 30m1 stop
$1,130Korean Air
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Tue, Dec 10 - Tue, Jan 14
1:05 pm - 10:02 pmICN-BWI
46h 57m2 stops
Tue, Jan 21
6:55 pm - 12:01 pmICN-DCA
55h 06m2 stops
Fri, Dec 6
6:50 pm - 10:24 pmICN-IAD
17h 34m1 stop
$439American Airlines
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Wed, Dec 11
6:50 pm - 10:52 pmICN-IAD
18h 02m1 stop
$443American Airlines
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Tue, Nov 26
5:45 pm - 4:23 pmICN-IAD
35h 38m1 stop
$567Air Canada
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Thu, May 1
5:45 pm - 11:16 amICN-IAD
30h 31m2 stops
$571Air Canada
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Thu, May 1
9:10 am - 2:32 pmICN-BWI
18h 22m1 stop
$719Korean Air
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Sat, Mar 15
9:10 am - 2:32 pmICN-BWI
18h 22m1 stop
$720Delta
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Sat, Mar 15
9:30 am - 2:32 pmICN-BWI
18h 02m1 stop
$887Korean Air
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Mon, Apr 21
7:30 pm - 11:55 pmICN-BWI
18h 25m1 stop
$1,002Delta
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Sat, Dec 21
6:00 pm - 9:11 pmICN-IAD
17h 11m1 stop
12:40 pm - 4:15 pmIAD-ICN
37h 35m2 stops
$566United Airlines
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Tue, Nov 26 - Thu, Nov 28
6:00 pm - 12:59 amICN-IAD
20h 59m1 stop
12:40 pm - 4:15 pmIAD-ICN
37h 35m2 stops
$645United Airlines
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Sat, Nov 23 - Thu, Nov 28
12:45 pm - 10:55 pmICN-BWI
24h 10m3 stops
5:25 pm - 4:15 pmBWI-ICN
32h 50m2 stops
$723United Airlines
Find Deal
Mon, Nov 25 - Mon, Dec 9
6:50 pm - 11:00 pmICN-DCA
18h 10m1 stop
5:00 am - 4:45 pmDCA-ICN
21h 45m1 stop
$783American Airlines
Find Deal
Mon, Nov 25 - Thu, Dec 5
6:50 pm - 11:14 pmICN-BWI
18h 24m1 stop
8:13 pm - 4:45 pmBWI-ICN
30h 32m2 stops
$788American Airlines
Find Deal
Mon, Nov 25 - Sat, Nov 30
6:20 pm - 11:23 amICN-IAD
31h 03m2 stops
3:55 pm - 4:45 pmIAD-ICN
34h 50m2 stops
$802Air Canada
Find Deal
Tue, Nov 26 - Wed, Dec 11
6:20 pm - 11:23 amICN-IAD
31h 03m2 stops
3:55 pm - 4:45 pmIAD-ICN
34h 50m2 stops
$804Air Canada
Find Deal
Tue, Nov 26 - Mon, Dec 2
9:10 am - 2:03 pmICN-BWI
18h 53m1 stop
6:00 am - 3:30 pmBWI-ICN
19h 30m1 stop
$1,129Korean Air
Find Deal
Mon, Nov 25 - Mon, Dec 9
10:15 am - 9:50 amICN-IAD
13h 35mnonstop
11:50 am - 5:40 pmIAD-ICN
15h 50mnonstop
$1,373Korean Air
Find Deal
Mon, Nov 25 - Tue, Nov 26
10:15 am - 9:50 amICN-IAD
13h 35mnonstop
11:50 am - 5:40 pmIAD-ICN
15h 50mnonstop
$1,585Delta
Find Deal
Fri, Nov 22 - Mon, Dec 2
10:25 am - 11:15 amICN-IAD
13h 50mnonstop
1:25 pm - 5:40 pmIAD-ICN
15h 15mnonstop
$1,236Korean Air
Find Deal
Fri, Apr 4 - Sun, Apr 20
10:15 am - 10:50 amICN-IAD
13h 35mnonstop
1:25 pm - 5:40 pmIAD-ICN
15h 15mnonstop
$1,269Korean Air
Find Deal
Tue, Mar 18 - Thu, Apr 17
10:15 am - 9:50 amICN-IAD
13h 35mnonstop
11:50 am - 5:40 pmIAD-ICN
15h 50mnonstop
$1,272Korean Air
Find Deal
Wed, Feb 12 - Sun, Feb 16
10:15 am - 9:50 amICN-IAD
13h 35mnonstop
11:50 am - 5:40 pmIAD-ICN
15h 50mnonstop
$1,273Korean Air
Find Deal
Fri, Jan 31 - Tue, Feb 25
10:15 am - 10:50 amICN-IAD
13h 35mnonstop
12:50 pm - 5:40 pmIAD-ICN
15h 50mnonstop
$1,275Korean Air
Find Deal
Mon, Mar 10 - Thu, Mar 20
10:15 am - 9:50 amICN-IAD
13h 35mnonstop
11:50 am - 5:40 pmIAD-ICN
15h 50mnonstop
$1,276Korean Air
Find Deal
Fri, Jan 31 - Mon, Feb 17
10:15 am - 10:50 amICN-IAD
13h 35mnonstop
12:50 pm - 5:40 pmIAD-ICN
15h 50mnonstop
$1,288Korean Air
Find Deal
Thu, Mar 13 - Sun, Mar 23
10:25 am - 11:15 amICN-IAD
13h 50mnonstop
1:25 pm - 5:40 pmIAD-ICN
15h 15mnonstop
$1,289Korean Air
Find Deal
Thu, Apr 3 - Wed, Apr 30
10:25 am - 11:15 amICN-IAD
13h 50mnonstop
1:25 pm - 5:40 pmIAD-ICN
15h 15mnonstop
$1,460Delta
Find Deal
Mon, May 19 - Thu, Sep 18
10:25 am - 11:15 amICN-IAD
13h 50mnonstop
1:25 pm - 5:40 pmIAD-ICN
15h 15mnonstop
$1,571Delta
Find Deal
Sat, May 17 - Sat, Sep 20

United Airlines flights from Incheon Intl Airport to Washington, D.C.

Our best United Airlines deals on Incheon Intl Airport to Washington, D.C. flight tickets
United Airlines
Jan 28
ICN12:45 pmIncheon Intl
22h 28m
1 stop
IAD9:13 pmWashington, D.C. Dulles Intl
Mar 5
IAD8:25 amWashington, D.C. Dulles Intl
41h 50m
2 stops
ICN4:15 pmIncheon Intl
United Airlines
Dec 4
ICN12:45 pmIncheon Intl
36h 28m
2 stops
IAD11:13 amWashington, D.C. Dulles Intl
Dec 6
IAD6:00 amWashington, D.C. Dulles Intl
33h 40m
2 stops
ICN5:40 amIncheon Intl
United Airlines
Mar 25
ICN5:00 pmIncheon Intl
25h 21m
1 stop
IAD5:21 amWashington, D.C. Dulles Intl
Apr 1
IAD5:10 pmWashington, D.C. Dulles Intl
32h 50m
2 stops
ICN3:00 pmIncheon Intl

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

Our best Air Canada deals on Incheon Intl Airport to Washington, D.C. flight tickets
Air Canada
Mar 12
ICN4:55 pmIncheon Intl
31h 36m
2 stops
IAD11:31 amWashington, D.C. Dulles Intl
Mar 23
IAD3:55 pmWashington, D.C. Dulles Intl
34h 30m
2 stops
ICN3:25 pmIncheon Intl
Air Canada
Mar 13
ICN4:55 pmIncheon Intl
31h 36m
2 stops
IAD11:31 amWashington, D.C. Dulles Intl
Mar 23
IAD3:55 pmWashington, D.C. Dulles Intl
34h 30m
2 stops
ICN3:25 pmIncheon Intl
Air Canada
Dec 5
ICN6:20 pmIncheon Intl
34h 53m
2 stops
IAD3:13 pmWashington, D.C. Dulles Intl
Dec 11
IAD3:55 pmWashington, D.C. Dulles Intl
34h 50m
2 stops
ICN4:45 pmIncheon Intl

See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Incheon Intl Airport to Washington, D.C.

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 Incheon Intl Airport and Washington, D.C.?

What is the cheapest month to fly to Washington, D.C.?

The month of October is, on average, the cheapest month to fly to Washington, D.C. from Incheon Intl Airport, with most prices found around $1,001. If you’re not able to fly to Washington, D.C. in October, then February is your next best option. Flight prices from Incheon Intl Airport to Washington, D.C. during February average around $1,101.

What is the cheapest day to depart on your flight to Washington, D.C.?

On average, the least expensive day to fly to Washington, D.C. from Incheon Intl Airport is on a Sunday. momondo users have found tickets for Sunday departures for as low as $1,016. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Incheon Intl Airport to Washington, D.C. for around $1,507.

What is the cheapest time of day to depart on your flight to Washington, D.C.?

At noon is the cheapest time of day to fly from Incheon Intl Airport to Washington, D.C. when you can find flight prices for as low as $0. Flying to Washington, D.C. at noon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the morning because they tend to be around $1,501. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Incheon Intl to Washington, D.C. flight route?

Fly from Incheon Intl to Washington, D.C. Dulles Intl for the best Incheon Intl - Washington, D.C. flight prices

How far in advance should I book a flight to Washington, D.C.?

The ideal time to book your flight to Washington, D.C. is 43 days in advance when prices tend to average $1,280. Don’t hesitate to check prices now though because momondo users recently found tickets for as low as $698.

What cabin class options are available on Incheon Intl to Washington, D.C. flights?

There are 3 cabin classes available to choose from on Incheon Intl to Washington, D.C. flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

You could potentially save up to 63% on your flight if you consider stops on a Incheon Intl Airport to Washington, D.C. flight.

How have Incheon Intl Airport to Washington, D.C. flight prices changed over time?

As of November 2024, prices for Incheon Intl Airport to Washington, D.C. flights are approximately 20% cheaper when compared to flights at the same time last year.

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

Are you open to changing your travel dates? Check out the ideal times to fly from Incheon Intl Airport to Washington, D.C. according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Incheon Intl Airport to Washington, D.C. (ICN to WAS) flight deals and tips

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

Best Price Found

$378

Fastest flight time

13h 35m

Direct flights

Every day

Airports in Washington, D.C.

3 airports
The best one-way flight to Washington, D.C. from Incheon Intl Airport in the past 72 hours is $378. The best round-trip flight deal from Incheon Intl Airport to Washington, D.C. found on momondo in the last 72 hours is $544.
The fastest flight from Incheon Intl Airport to Washington, D.C. takes 13h 35m
Direct flights go from Incheon Intl Airport to Washington, D.C. every day.
There are 3 airports near Washington, D.C.: Washington, D.C. Reagan-National (DCA), Baltimore/Washington (BWI), Washington, D.C. Dulles Intl (IAD)

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

    The distance between Incheon Intl and Washington, D.C. is about 6949.0 mi. By plane, this route typically takes 16h 01m.

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

    Prices for flights from Incheon Intl Airport to Washington, D.C. are refreshed on a daily basis.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Incheon Intl Airport to Washington, D.C..

  • What documentation or ID do you need to fly to Washington, D.C.?

    The travel and health documents you'll need for your trip to Washington, D.C. may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington, D.C.. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Incheon Intl Airport to Washington, D.C.?

  • What is the most popular airline from Incheon Intl Airport to Washington, D.C.?


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

Compare and see reviews for airlines that fly from Incheon Intl Airport to Washington, D.C. with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $693Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $735Free CancellationRating
7.4
9,172 reviews
Search United Airlines flights
Air CanadaPriceFrom $873Free CancellationRating
7.0
8,246 reviews
Search Air Canada flights
Korean AirPriceFrom $1,053Free CancellationRating
8.4
1,024 reviews
Search Korean Air flights
DeltaPriceFrom $1,395Free CancellationRating
8.0
8,755 reviews
Search Delta flights
  • Korean Air Flights From Incheon Intl Airport to Washington, D.C.

    Korean Air flies from Incheon Intl Airport to Washington, D.C. around 7 times per week, with 1,024 momondo users rating the airline 8.4/10. The cheapest Korean Air deal from Incheon Intl Airport to Washington, D.C. in the last 72 hours was $1,053 (round-trip), much lower than the average airfare cost of $1,632 for Korean Air flights on this route.

  • Delta Flights From Incheon Intl Airport to Washington, D.C.

    Another popular option for Incheon Intl Airport to Washington, D.C. flights is Delta (8.0/10, 8,755 ratings). Delta flies from Incheon Intl Airport to Washington, D.C. around 7 times per week, with deals starting from $1,395 round-trip and rising to an average price of around $1,671.


Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Seoul to Washington, D.C.. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo enables you to select and highlight flights to Washington, D.C. from Seoul with this policy.

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

momondo provides multiple filters to help you find the best flight to Washington, D.C. from Seoul. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes. momondo can track prices for Seoul to Washington, D.C. 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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Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.