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Incheon Intl

$481+ Cheap flights from Reagan-National (DCA) to Incheon Intl (ICN)

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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — ICN
Aug 25 — Sep 11
Tue 8/25
Tue 9/1
1 adult, Economy
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Cheap flight deals from Reagan-National to Incheon Intl

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

This Kiwi.com deal was found by Cheapflights users on 7/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/267:00 am
DCA
-
ICN
2 stops25h 40m
Multiple Airlines
Fri 9/117:15 pm
ICN
-
DCA
1 stop35h 44m
Multiple Airlines
Deal found 7/25$1,068
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/226:59 pm
DCA
-
ICN
1 stop37h 41m
Multiple Airlines
Sat 8/296:00 pm
ICN
-
DCA
2 stops31h 51m
Multiple Airlines
Deal found 7/23$1,073
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/216:00 pm
DCA
-
ICN
2 stops37h 10m
Multiple Airlines
Fri 8/287:15 pm
ICN
-
DCA
1 stop35h 44m
Multiple Airlines
Deal found 7/22$1,084
This Kiwi.com deal was found by Cheapflights users on 7/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/197:00 am
DCA
-
ICN
2 stops25h 40m
Multiple Airlines
Fri 8/287:15 pm
ICN
-
DCA
1 stop35h 44m
Multiple Airlines
Deal found 7/21$1,089
This Kiwi.com deal was found by Cheapflights users on 7/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/156:00 pm
DCA
-
ICN
2 stops38h 40m
Multiple Airlines
Fri 9/257:15 pm
ICN
-
DCA
1 stop35h 44m
Multiple Airlines
Deal found 7/25$1,091
This Kiwi.com deal was found by Cheapflights users on 7/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/147:00 am
DCA
-
ICN
2 stops25h 40m
Multiple Airlines
Mon 10/267:45 pm
ICN
-
DCA
1 stop35h 12m
Multiple Airlines
Deal found 7/21$1,092
This Kiwi.com deal was found by Cheapflights users on 7/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/226:59 pm
DCA
-
ICN
1 stop37h 41m
Multiple Airlines
Wed 10/217:15 pm
ICN
-
DCA
2 stops34h 41m
Multiple Airlines
Deal found 7/21$1,094
This Kiwi.com deal was found by Cheapflights users on 7/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/101:06 pm
DCA
-
ICN
2 stops43h 34m
Multiple Airlines
Fri 9/257:15 pm
ICN
-
DCA
1 stop35h 44m
Multiple Airlines
Deal found 7/25$1,097
This Kiwi.com deal was found by Cheapflights users on 7/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:00 pm
DCA
-
ICN
2 stops38h 40m
Multiple Airlines
Fri 10/307:45 pm
ICN
-
DCA
1 stop35h 12m
Multiple Airlines
Deal found 7/21$1,101
This Kiwi.com deal was found by Cheapflights users on 7/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/146:00 pm
DCA
-
ICN
2 stops37h 10m
Multiple Airlines
Fri 8/287:15 pm
ICN
-
DCA
1 stop35h 44m
Multiple Airlines
Deal found 7/25$1,102
This Kiwi.com deal was found by Cheapflights users on 7/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/136:00 pm
DCA
-
ICN
2 stops38h 40m
Multiple Airlines
Fri 9/257:15 pm
ICN
-
DCA
1 stop35h 44m
Multiple Airlines
Deal found 7/21$1,104
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/127:00 am
DCA
-
ICN
2 stops22h 45m
Multiple Airlines
Fri 8/287:15 pm
ICN
-
DCA
1 stop35h 44m
Multiple Airlines
Deal found 7/22$1,105

Find flight deals from Reagan-National to Incheon Intl

Discover tips and strategies to find the most affordable flight options for your journey from Reagan-National (DCA) to Incheon Intl (ICN). 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 July 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,068
(Kiwi.com)

One-way from

$481
(Trip.com)

Popular in

March

Cheapest in

February

Average price

$2,201
Provider with most accurate pricing for Washington, D.C. Reagan-National-Incheon Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Reagan-National-Incheon Intl flights.
Search Deals
From Washington, D.C. Reagan-National to Incheon Intl
Search Deals
One-way flight from Washington, D.C. Reagan-National to Incheon Intl
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($176 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($132 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Reagan-National to Incheon Intl 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 July 26, 2026.
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

Cheapest round-trip

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Thu 11/12

6:59 pm-12:40 am

2 stops39h 41m

Incheon Intl

Mon 11/23

10:00 am-10:49 pm

2 stops26h 49m

$1,225

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Wed 9/16

11:31 am-12:40 pm

2 stops36h 09m

Incheon Intl

Wed 10/14

1:55 am-7:59 pm

2 stops31h 04m

$1,225

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Wed 11/4

11:40 am-12:45 pm

2 stops35h 05m

Incheon Intl

Tue 11/10

7:35 pm-10:49 pm

2 stops41h 14m

$1,225

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Wed 10/28

11:30 am-12:45 pm

2 stops36h 15m

Incheon Intl

Wed 11/25

10:00 am-10:49 pm

2 stops26h 49m

$1,225

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Wed 11/11

6:59 pm-12:40 am

2 stops39h 41m

Incheon Intl

Mon 11/16

10:00 am-10:49 pm

2 stops26h 49m

$1,225

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Sat 9/5

6:59 pm-5:30 pm

2 stops33h 31m

Incheon Intl

Fri 9/25

7:35 pm-5:59 pm

2 stops35h 24m

$1,244

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Sun 11/1

6:59 pm-1:55 pm

2 stops28h 56m

Incheon Intl

Wed 11/18

10:00 am-10:49 pm

2 stops26h 49m

$1,275

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Sat 8/29

6:58 pm-12:40 pm

2 stops28h 42m

Incheon Intl

Tue 9/29

1:55 am-8:06 pm

2 stops31h 11m

$1,275

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Tue 10/13

6:57 pm-5:30 pm

2 stops33h 33m

Incheon Intl

Sat 10/31

8:00 pm-6:59 pm

2 stops59h 59m

$1,302

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Fri 8/28

9:00 am-12:25 am

2 stops26h 25m

Incheon Intl

Sun 9/20

1:40 pm-11:59 pm

2 stops47h 19m

$1,318

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/23

Showing 1-10 of 23 resultsSorted by cheapest first
1
2
3

Compare providers for flights from Reagan-National to Incheon Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Reagan-National to Incheon Intl in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Washington, D.C. Reagan-National Airport-Incheon Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Reagan-National Airport-Incheon Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Reagan-National Airport-Incheon Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Reagan-National Airport-Incheon Intl 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 Washington, D.C. Reagan-National Airport-Incheon Intl 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 Reagan-National to Incheon Intl

Have a flexible travel schedule? Discover the best time to fly to Incheon Intl from Reagan-National 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.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Reagan-National Airport to Incheon Intl Airport

What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Incheon Intl Airport?

Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Incheon Intl Airport (average of $1,137). Flying from Washington, D.C. Reagan-National Airport to Incheon Intl Airport in March is currently the most expensive (average of $3,076). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Washington, D.C. Reagan-National Airport to Incheon Intl Airport?

Airfare is below average for this route at the moment.

Washington, D.C. Reagan-National Airport to Incheon Intl Airport flights typically cost between $1,530 and $1,858 in August.
The cheapest round-trip price found within the last 5 days was $1,068 on Multiple Airlines (Aug 26-Sep 11).

Reviews of airlines servicing Incheon Intl

Get insights into the airlines that provide service to Incheon Intl. 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 Incheon Intl. Reviews last updated July 26, 2026.
Peruse reviews from past customers who have flown with Air Canada from Washington, D.C. Reagan-National Airport to Incheon Intl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Canada
7.1
Good
11,387 reviews

Overall

7.1

Comfort

7.1

Crew

7.8

Boarding

7.3

Food

6.3

Entertainment

6.8

Reviews

1 / 20
8.0
Excellent

Dr vandana,Feb 2026

SFO - YYC

It was good, the lounge facilities can be better with some vegetarian options. Overall good
Air Canada
7.1
Good
11,387 reviews
Air Canada
7.1
Good
11,387 reviews

Overall

7.1

Comfort

7.1

Crew

7.8

Boarding

7.3

Food

6.3

Entertainment

6.8

Reviews

1 / 20
8.0
Excellent

Dr vandana,Feb 2026

SFO - YYC

It was good, the lounge facilities can be better with some vegetarian options. Overall good

Related info for your journey

Find useful and relevant information for your journey from Reagan-National to Incheon Intl. 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 Washington, D.C. Reagan-National Airport to Incheon Intl Airport?

    A quick flight from Washington, D.C. Reagan-National Airport to Incheon Intl Airport can take about 39h 41m. Cathay Pacific provides one of the quickest options available for as low as $1,225. The distance from Washington, D.C. Reagan-National Airport to Incheon Intl Airport is about 6953 mi.

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

    According to our current data, Air Canada ($1,137), offers the cheapest pricing from Washington, D.C. Reagan-National Airport to Incheon Intl Airport. You may be able to fly from Washington, D.C. Reagan-National Airport to Incheon Intl Airport for 35% less than the average price by searching for this airline.

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

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

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

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

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

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

  • What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Incheon Intl Airport?

    Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Incheon Intl Airport (average of $1,137). Flying from Washington, D.C. Reagan-National Airport to Incheon Intl Airport in March is currently the most expensive (average of $3,076). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Incheon Intl Airport?

Book flights to Incheon Intl Airport if you plan to visit one of these locations
Seongnam
Suwon

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Alternative routes for Reagan-National to Incheon Intl

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Top airline flying from Reagan-National to Incheon Intl

Discover the top airline that operate flights from Reagan-National to Incheon Intl. 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 July 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$1,137Average$1,223FlexibilityNo cancel feeOn-time67%

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