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Reagan-National

$395+ 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 2/8. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — DCA
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
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 December 12, 2025.

This Mytrip deal was found by Cheapflights users on 12/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/176:40 pmICN - DCA
2 stops41h 16mMultiple Airlines
Sat 1/34:10 pmDCA - ICN
2 stops35h 00mMultiple Airlines
Deal found 12/11$493
This United Airlines deal was found by Cheapflights users on 12/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/246:00 pmICN - DCA
1 stop36h 57mUnited Airlines
Mon 2/235:50 pmDCA - ICN
1 stop21h 50mUnited Airlines
Deal found 12/10$538
This American Airlines deal was found by Cheapflights users on 12/10. 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.
Sun 12/217:15 pmICN - DCA
2 stops30h 56mAmerican Airlines
Tue 12/306:35 pmDCA - ICN
1 stop32h 10mAmerican Airlines
Deal found 12/10$675
This American Airlines deal was found by Cheapflights users on 12/11. 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 12/247:15 pmICN - DCA
2 stops27h 45mAmerican Airlines
Mon 2/236:30 amDCA - ICN
1 stop20h 15mAmerican Airlines
Deal found 12/11$688
This American Airlines deal was found by Cheapflights users on 12/10. 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 12/237:15 pmICN - DCA
2 stops30h 52mAmerican Airlines
Tue 1/65:08 pmDCA - ICN
1 stop33h 37mAmerican Airlines
Deal found 12/10$712
This United Airlines deal was found by Cheapflights users on 12/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/256:00 pmICN - DCA
1 stop17h 43mUnited Airlines
Tue 2/243:30 pmDCA - ICN
2 stops24h 10mUnited Airlines
Deal found 12/11$717
This American Airlines deal was found by Cheapflights users on 12/10. 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.
Sun 12/217:15 pmICN - DCA
2 stops26h 27mAmerican Airlines
Sun 1/113:59 pmDCA - ICN
1 stop34h 46mAmerican Airlines
Deal found 12/10$739
This Air Canada deal was found by Cheapflights users on 12/10. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/215:55 pmICN - DCA
2 stops29h 00mAir Canada
Sun 1/118:40 pmDCA - ICN
2 stops30h 30mAir Canada
Deal found 12/10$748

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 December 12, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$483
(American Airlines)

One-way from

$395
(Kiwi.com)

Popular in

November

Cheapest in

October

Average price

$1,013
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
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One-way flight from Incheon Intl to Washington, D.C. Reagan-National
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Highest demand for flights based on searches. 7% potential increase in price ($67 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($60 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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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 December 12, 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

Incheon Intl

Fly to

Reagan-National

Route

Depart

Return

Price

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Wed 12/24

6:00 pm-4:57 pm

1 stop36h 57m

Washington, D.C. Reagan-National

Mon 2/23

5:50 pm-5:40 am

1 stop21h 50m

$538

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Mon 3/2

12:45 pm-11:50 pm

2 stops25h 05m

Washington, D.C. Reagan-National

Mon 3/30

6:00 pm-4:20 am

1 stop21h 20m

$608

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Thu 2/26

6:00 pm-9:36 pm

1 stop17h 36m

Washington, D.C. Reagan-National

Tue 3/31

6:00 pm-4:20 am

1 stop21h 20m

$608

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Mon 3/2

6:00 pm-9:39 pm

1 stop17h 39m

Washington, D.C. Reagan-National

Tue 3/31

4:34 pm-4:20 am

2 stops22h 46m

$608

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Tue 2/24

6:00 pm-11:59 pm

2 stops19h 59m

Washington, D.C. Reagan-National

Tue 3/31

4:34 pm-4:20 am

2 stops22h 46m

$608

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Thu 3/5

12:45 pm-4:53 pm

1 stop18h 08m

Washington, D.C. Reagan-National

Mon 3/9

10:30 am-4:40 am

2 stops29h 10m

$608

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Wed 2/25

12:45 pm-10:06 pm

2 stops23h 21m

Washington, D.C. Reagan-National

Mon 3/30

6:00 pm-4:20 am

1 stop21h 20m

$608

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Thu 2/26

6:00 pm-11:59 pm

2 stops19h 59m

Washington, D.C. Reagan-National

Tue 3/24

3:30 pm-4:40 am

2 stops24h 10m

$608

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Thu 2/26

6:00 pm-9:36 pm

1 stop17h 36m

Washington, D.C. Reagan-National

Wed 4/15

12:40 pm-4:20 am

2 stops26h 40m

$608

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Tue 2/24

12:45 pm-10:47 pm

2 stops24h 02m

Washington, D.C. Reagan-National

Mon 3/30

6:00 pm-4:20 am

1 stop21h 20m

$608

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 21 results
1
2
3
  • 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.

Reviews of airlines servicing Reagan-National

Get insights into the airlines that provide service to Reagan-National. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Reagan-National. Reviews last updated December 12, 2025.
Read reviews from past customers who have flown Air Canada from Incheon Intl Airport to Washington, D.C. Reagan-National Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Canada
7.1
Good
10,516 reviews

Comfort

7.1

Boarding

7.3

Food

6.3

Crew

7.8

Entertainment

6.8

Overall

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

YYZ - LAS

It's was great and the crew are very nice, captain has a smooth land on the runway 👍
Air Canada
7.1
Good
10,516 reviews
Air Canada
7.1
Good
10,516 reviews

Comfort

7.1

Boarding

7.3

Food

6.3

Crew

7.8

Entertainment

6.8

Overall

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

YYZ - LAS

It's was great and the crew are very nice, captain has a smooth land on the runway 👍

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 $538, United Airlines can have you in Washington, D.C. Reagan-National Airport from Incheon Intl Airport in 36h 57m. There are 6953 mi between Incheon Intl Airport and Washington, D.C. Reagan-National Airport.

  • What is the cheapest airline to fly from Incheon Intl Airport to Washington, D.C. Reagan-National Airport round-trip?

    Currently priced at $688, Air Canada will fly you from Incheon Intl Airport to Washington, D.C. Reagan-National Airport and back. In addition to Air Canada, many other airlines offer competitively priced options for your trip. This flight start at 23% lower than the current average price 3 months from now.

  • 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
Hanover
Silver Spring
Fredericksburg
Fairfax
Linthicum Heights
Manassas
Rockville
Laurel
Towson
National Harbor
Bowie
Largo
McLean
Clinton

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Alternative routes for Incheon Intl to Reagan-National

See prices for flight routes from nearby airports that may be better suited for you.
Incheon Intl to Dulles Intl flights
Incheon Intl to Baltimore flights
Gimpo Intl to Baltimore flights

Top airline flying from Incheon Intl to Reagan-National

Discover the top airline that operate flights from Incheon Intl to Reagan-National. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$688Average$981FlexibilityNo cancel feeOn-time67%

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