Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Incheon Intl Airport to Washington, D.C. from $329

This is the cheapest round-trip 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 11/13. 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.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Incheon Intl Airport to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
6:55 pm - 10:26 amICN-DCA
29h 31m2 stops
Air Canada Logo
8:40 pm - 5:10 pmDCA-ICN
30h 30m2 stops
$329Air Canada
Find Deal
Thu, Nov 13 - Wed, Nov 26
Air Canada Logo
6:55 pm - 10:26 amICN-DCA
29h 31m2 stops
Air Canada Logo
8:40 pm - 5:10 pmDCA-ICN
30h 30m2 stops
$351Air Canada
Find Deal
Thu, Nov 20 - Sun, Nov 30
Air Canada Logo
6:55 pm - 10:26 amICN-DCA
29h 31m2 stops
Air Canada Logo
8:40 pm - 5:10 pmDCA-ICN
30h 30m2 stops
$353Air Canada
Find Deal
Fri, Nov 21 - Sun, Nov 30
Hawaiian Airlines Logo
8:35 pm - 4:09 pmICN-DCA
33h 34m1 stop
Hawaiian Airlines Logo
8:00 am - 6:35 pmDCA-ICN
20h 35m1 stop
$472Hawaiian Airlines
Find Deal
Mon, Feb 2 - Fri, Feb 20
Alaska Airlines Logo
8:35 pm - 4:09 pmICN-DCA
33h 34m1 stop
Alaska Airlines Logo
8:00 am - 6:35 pmDCA-ICN
20h 35m1 stop
$473Alaska Airlines
Find Deal
Mon, Feb 2 - Fri, Feb 20
American Airlines Logo
7:15 pm - 11:16 amICN-DCA
30h 01m2 stops
American Airlines Logo
10:04 pm - 4:45 pmDCA-ICN
28h 41m2 stops
$476American Airlines
Find Deal
Sun, Dec 21 - Tue, Dec 30
American Airlines Logo
7:15 pm - 6:28 pmICN-DCA
37h 13m2 stops
American Airlines Logo
5:05 pm - 4:45 pmDCA-ICN
33h 40m2 stops
$478American Airlines
Find Deal
Sun, Dec 21 - Tue, Dec 30
United Airlines Logo
12:45 pm - 4:52 pmICN-DCA
18h 07m1 stop
United Airlines Logo
5:00 pm - 4:40 amDCA-ICN
22h 40m2 stops
$490United Airlines
Find Deal
Thu, Jan 29 - Tue, Mar 24
United Airlines Logo
12:45 pm - 4:43 pmICN-DCA
17h 58m1 stop
United Airlines Logo
5:50 pm - 4:15 pmDCA-ICN
32h 25m1 stop
$492United Airlines
Find Deal
Thu, Feb 19 - Mon, Feb 23
Alaska Airlines Logo
8:35 pm - 4:09 pmICN-DCA
33h 34m1 stop
Alaska Airlines Logo
6:35 pm - 6:35 pmDCA-ICN
35h 00m2 stops
$769Alaska Airlines
Find Deal
Thu, Jan 29 - Fri, Mar 20

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

Our best Air Canada deals on Incheon Intl Airport to Washington, D.C. Reagan-National Airport flight tickets
Air Canada
Nov 13
ICN6:55 pmIncheon Intl
29h 31m
2 stops
DCA10:26 amWashington, D.C. Reagan-National
Nov 26
DCA8:40 pmWashington, D.C. Reagan-National
30h 30m
2 stops
ICN5:10 pmIncheon Intl
$329
Find similar
Air Canada
Nov 20
ICN6:55 pmIncheon Intl
29h 31m
2 stops
DCA10:26 amWashington, D.C. Reagan-National
Nov 30
DCA8:40 pmWashington, D.C. Reagan-National
30h 30m
2 stops
ICN5:10 pmIncheon Intl
$351
Find similar
Air Canada
Nov 21
ICN6:55 pmIncheon Intl
29h 31m
2 stops
DCA10:26 amWashington, D.C. Reagan-National
Nov 30
DCA8:40 pmWashington, D.C. Reagan-National
30h 30m
2 stops
ICN5:10 pmIncheon Intl
$353
Find similar

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

Our best Alaska Airlines deals on Incheon Intl Airport to Washington, D.C. Reagan-National Airport flight tickets
Alaska Airlines
Feb 2
ICN8:35 pmIncheon Intl
33h 34m
1 stop
DCA4:09 pmWashington, D.C. Reagan-National
Feb 20
DCA8:00 amWashington, D.C. Reagan-National
20h 35m
1 stop
ICN6:35 pmIncheon Intl
$473
Find similar
Alaska Airlines
Oct 30
ICN8:35 pmIncheon Intl
38h 24m
1 stop
DCA9:59 pmWashington, D.C. Reagan-National
Nov 4
DCA5:00 pmWashington, D.C. Reagan-National
35h 35m
1 stop
ICN6:35 pmIncheon Intl
$488
Find similar
Alaska Airlines
Oct 30
ICN8:35 pmIncheon Intl
38h 24m
1 stop
DCA9:59 pmWashington, D.C. Reagan-National
Nov 15
DCA8:00 amWashington, D.C. Reagan-National
20h 35m
1 stop
ICN6:35 pmIncheon Intl
$497
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Incheon Intl Airport to Washington, D.C. Reagan-National 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 29, 2025.
Use the filters below to find and compare flights from Incheon Intl Airport to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Thu 11/13

6:55 pm-10:26 am

2 stops29h 31m

Washington, D.C. Reagan-National

Wed 11/26

8:40 pm-5:10 pm

2 stops30h 30m

$329

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Thu 11/20

6:55 pm-10:26 am

2 stops29h 31m

Washington, D.C. Reagan-National

Sun 11/30

8:40 pm-5:10 pm

2 stops30h 30m

$351

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Fri 11/21

6:55 pm-10:26 am

2 stops29h 31m

Washington, D.C. Reagan-National

Sun 11/30

8:40 pm-5:10 pm

2 stops30h 30m

$353

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Mon 2/2

8:35 pm-4:09 pm

1 stop33h 34m

Washington, D.C. Reagan-National

Fri 2/20

8:00 am-6:35 pm

1 stop20h 35m

$472

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Mon 2/2

8:35 pm-4:09 pm

1 stop33h 34m

Washington, D.C. Reagan-National

Fri 2/20

8:00 am-6:35 pm

1 stop20h 35m

$473

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Sun 12/21

7:15 pm-11:16 am

2 stops30h 01m

Washington, D.C. Reagan-National

Tue 12/30

10:04 pm-4:45 pm

2 stops28h 41m

$476

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Sun 12/21

7:15 pm-6:28 pm

2 stops37h 13m

Washington, D.C. Reagan-National

Tue 12/30

5:05 pm-4:45 pm

2 stops33h 40m

$478

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Thu 1/29

12:45 pm-4:52 pm

1 stop18h 07m

Washington, D.C. Reagan-National

Tue 3/24

5:00 pm-4:40 am

2 stops22h 40m

$490

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Thu 2/19

12:45 pm-4:43 pm

1 stop17h 58m

Washington, D.C. Reagan-National

Mon 2/23

5:50 pm-4:15 pm

1 stop32h 25m

$492

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Thu 1/29

8:35 pm-4:09 pm

1 stop33h 34m

Washington, D.C. Reagan-National

Fri 3/20

6:35 pm-6:35 pm

2 stops35h 00m

$769

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Washington, D.C. from

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

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

You could potentially save up to 32% on your flight if you consider stops on a Incheon Intl Airport to Washington, D.C. Reagan-National Airport flight.

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

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

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

Direct flights

None
There are no direct flights from Incheon Intl Airport to Washington, D.C. Reagan-National Airport. There are no popular flight routes from Incheon Intl Airport to Washington, D.C. Reagan-National Airport.
Search flight deals

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

    Incheon Intl and Washington, D.C. Reagan-National are 6952.5 mi apart from one another. Flights usually cover this in 16h 25m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from Incheon Intl Airport to Washington, D.C. Reagan-National Airport were last updated today.

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

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

    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 Incheon Intl Airport to Washington, D.C. Reagan-National Airport.

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

    The travel and health documents required for your trip to Washington, D.C. Reagan-National Airport 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 Washington, D.C. Reagan-National Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

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

Compare and see reviews for airlines that fly from Incheon Intl Airport to Washington, D.C. Reagan-National Airport with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom $688Free CancellationRating
7.1
10,372 reviews
Search Air Canada flights

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Towson
Rockville
Manassas
Reston
Gaithersburg
Fairfax
Glen Burnie
Springfield
Linthicum Heights

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?

Flights from Seoul to Washington, D.C. with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo helps you find the best flight between Seoul and Washington, D.C. 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 Seoul to Washington, D.C. right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Washington, D.C., momondo offers a useful price alert feature which will track prices for flights to Washington, D.C. from Seoul and alert you when they change.

An easier way to manage your Washington, D.C. Reagan-National Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 11/28
Fri 12/5
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Washington, D.C.