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Reagan-National

$369+ Cheap flights from Incheon Intl (ICN) to Reagan-National (DCA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/19. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — DCA
Feb 25 — Mar 41
Wed 2/25
Wed 3/4
1 adult, Economy
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Cheap flight deals from Incheon Intl to Reagan-National

Cheapest flights from Incheon Intl to Reagan-National
Explore the most affordable flight options available from Incheon Intl to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 26, 2026.

This American Airlines deal was found by Cheapflights users on 1/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/117:15 pm
ICN
-
DCA
1 stop27h 43m
American Airlines
Mon 3/97:59 pm
DCA
-
ICN
2 stops30h 56m
American Airlines
Deal found 1/24$502
This American Airlines deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/177:15 pm
ICN
-
DCA
2 stops27h 44m
American Airlines
Wed 2/256:30 am
DCA
-
ICN
1 stop20h 15m
American Airlines
Deal found 1/25$507
This American Airlines deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/167:15 pm
ICN
-
DCA
1 stop27h 43m
American Airlines
Sun 3/19:00 am
DCA
-
ICN
1 stop41h 45m
American Airlines
Deal found 1/25$587
This Gurufare deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/205:55 pm
ICN
-
DCA
2 stops30h 04m
Japan Airlines
Sun 3/2911:34 am
DCA
-
ICN
2 stops39h 11m
Japan Airlines
Deal found 1/25$602
This American Airlines deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/217:15 pm
ICN
-
DCA
1 stop17h 45m
American Airlines
Sun 3/16:37 pm
DCA
-
ICN
1 stop32h 08m
American Airlines
Deal found 1/25$615
This American Airlines deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/167:15 pm
ICN
-
DCA
1 stop38h 31m
American Airlines
Mon 2/236:37 pm
DCA
-
ICN
1 stop32h 08m
American Airlines
Deal found 1/25$660
This Hanatour deal was found by Cheapflights users on 1/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Hanatour is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/227:05 pm
ICN
-
DCA
1 stop16h 23m
Air Canada
Sat 6/136:00 am
DCA
-
ICN
1 stop21h 25m
Air Canada
Deal found 1/23$671
This Gotogate deal was found by Cheapflights users on 1/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/196:55 pm
ICN
-
DCA
2 stops29h 26m
Air Canada
Mon 2/236:50 pm
DCA
-
ICN
2 stops31h 10m
Air Canada
Deal found 1/24$681
This FlightHub deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/65:45 pm
ICN
-
DCA
2 stops31h 16m
Air Canada
Thu 5/2812:45 pm
DCA
-
ICN
2 stops38h 20m
Air Canada
Deal found 1/25$688
This American Airlines deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/217:15 pm
ICN
-
DCA
1 stop17h 45m
American Airlines
Mon 2/236:37 pm
DCA
-
ICN
1 stop32h 08m
American Airlines
Deal found 1/25$689

Find flight deals from Incheon Intl to Reagan-National

Discover tips and strategies to find the most affordable flight options for your journey from Incheon Intl (ICN) to Reagan-National (DCA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$502
(American Airlines)

One-way from

$369
(Trip.com)

Popular in

November

Cheapest in

October

Average price

$1,499
Provider with most accurate pricing for Incheon Intl-Washington, D.C. Reagan-National flight deals.
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Provider most trusted by Cheapflights users for Incheon Intl-Washington, D.C. Reagan-National flights.
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From Incheon Intl to Washington, D.C. Reagan-National
Search Deals
One-way flight from Incheon Intl to Washington, D.C. Reagan-National
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($12 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($64 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Incheon Intl to Reagan-National 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, Cheapflights users made 2,558,603 searches. Data last updated January 26, 2026.
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

Incheon Intl

Fly to

Reagan-National

Route

Depart

Return

Price

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Wed 2/11

7:15 pm-8:58 am

1 stop27h 43m

Washington, D.C. Reagan-National

Mon 3/9

7:59 pm-3:55 pm

2 stops30h 56m

$502

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Fri 3/6

7:15 pm-1:59 pm

2 stops32h 44m

Washington, D.C. Reagan-National

Mon 3/9

7:59 pm-3:55 pm

2 stops30h 56m

$502

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Thu 2/19

6:55 pm-10:21 am

2 stops29h 26m

Washington, D.C. Reagan-National

Mon 2/23

6:50 pm-4:00 pm

2 stops31h 10m

$681

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Fri 5/22

5:45 pm-9:55 pm

2 stops41h 10m

Washington, D.C. Reagan-National

Sat 6/13

6:55 pm-4:25 pm

2 stops56h 30m

$699

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Tue 2/24

6:55 pm-12:19 pm

2 stops31h 24m

Washington, D.C. Reagan-National

Sun 3/29

11:05 am-5:30 pm

2 stops41h 25m

$714

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Fri 3/6

6:55 pm-6:05 pm

2 stops37h 10m

Washington, D.C. Reagan-National

Mon 3/9

9:40 am-5:25 pm

1 stop18h 45m

$730

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Thu 4/2

7:05 pm-10:43 pm

1 stop16h 38m

Washington, D.C. Reagan-National

Thu 5/7

11:00 am-5:30 pm

1 stop17h 30m

$733

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Sun 3/1

5:55 pm-12:19 pm

2 stops32h 24m

Washington, D.C. Reagan-National

Sun 3/15

4:15 pm-5:25 pm

2 stops36h 10m

$748

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Sat 2/21

6:55 pm-9:56 pm

2 stops41h 01m

Washington, D.C. Reagan-National

Sat 2/28

8:40 pm-5:10 pm

2 stops30h 30m

$759

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Thu 2/19

8:10 pm-6:05 pm

1 stop35h 55m

$369

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

Showing 1-10 of 16 results
1
2
  • Most accurate provider: When it comes to deals on Incheon Intl Airport-Washington, D.C. Reagan-National Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Incheon Intl Airport-Washington, D.C. Reagan-National Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Incheon Intl Airport-Washington, D.C. Reagan-National Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Incheon Intl Airport-Washington, D.C. Reagan-National Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Incheon Intl Airport-Washington, D.C. Reagan-National Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Incheon Intl to Reagan-National

Have a flexible travel schedule? Discover the best time to fly to Reagan-National from Incheon Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Incheon Intl to Reagan-National. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Incheon Intl Airport to Washington, D.C. Reagan-National Airport?

    For as low as $502, American Airlines can have you in Washington, D.C. Reagan-National Airport from Incheon Intl Airport in 27h 43m. There are 6953 mi between Incheon Intl Airport and Washington, D.C. Reagan-National Airport. This flight may include one or multiple stops.

  • Can I find deals for flights from Incheon Intl to Reagan-National that include hotel bookings?

    Yes. In addition to deals on Incheon Intl to Reagan-National flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Incheon Intl to Reagan-National?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Incheon Intl to Reagan-National.

  • Can I find deals for business class flights from Incheon Intl to Reagan-National?

    Yes. Cheapflights offers flight deals from Incheon Intl to Reagan-National by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Washington, D.C. Reagan-National Airport?

Book flights to Washington, D.C. Reagan-National Airport if you plan to visit one of these locations
Alexandria
Woodbridge
Tysons
Arlington
Owings Mills
Springfield
Silver Spring
Herndon
Fredericksburg
Hanover
Linthicum Heights
Rockville
Laurel
Towson
Manassas
Largo
Bowie
McLean
Clinton
Upper Marlboro

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Alternative routes for Incheon Intl to Reagan-National

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