Incheon Intl

$686+ 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 8/15. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — ICN
Jul 11 — Jul 181
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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 June 11, 2026.

This Philippine Airlines deal was found by Cheapflights users on 6/8. 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 Philippine Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/295:35 pm
DCA
-
ICN
2 stops47h 25m
Philippine Airlines
Tue 10/208:30 pm
ICN
-
DCA
2 stops37h 29m
Philippine Airlines
Deal found 6/8$1,298
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/76:59 am
DCA
-
ICN
2 stops22h 46m
Multiple Airlines
Sat 9/198:45 pm
ICN
-
DCA
3 stops28h 15m
Multiple Airlines
Deal found 6/10$1,299
This Alaska Airlines deal was found by Cheapflights users on 6/7. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/246:59 pm
DCA
-
ICN
2 stops57h 31m
Alaska Airlines
Fri 9/117:35 pm
ICN
-
DCA
2 stops35h 24m
Alaska Airlines
Deal found 6/7$1,301
This BusinessClass deal was found by Cheapflights users on 6/9. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/86:20 am
DCA
-
ICN
2 stops27h 05m
Multiple Airlines
Tue 1/1910:00 am
ICN
-
DCA
2 stops46h 44m
Multiple Airlines
Deal found 6/9$1,304
This Philippine Airlines deal was found by Cheapflights users on 6/10. 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 Philippine Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/295:35 pm
DCA
-
ICN
2 stops60h 40m
Philippine Airlines
Wed 9/308:30 pm
ICN
-
DCA
2 stops37h 19m
Philippine Airlines
Deal found 6/10$1,306
This Alaska Airlines deal was found by Cheapflights users on 6/7. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/216:59 pm
DCA
-
ICN
2 stops33h 31m
Alaska Airlines
Thu 9/177:35 pm
ICN
-
DCA
2 stops35h 24m
Alaska Airlines
Deal found 6/7$1,308
This Kiwi.com deal was found by Cheapflights users on 6/7. 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 8/247:00 am
DCA
-
ICN
2 stops22h 45m
Multiple Airlines
Mon 9/147:15 pm
ICN
-
DCA
1 stop35h 44m
Multiple Airlines
Deal found 6/7$1,309
This Cathay Pacific deal was found by Cheapflights users on 6/7. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1511:31 am
DCA
-
ICN
2 stops36h 09m
Cathay Pacific
Sun 10/188:05 pm
ICN
-
DCA
2 stops37h 11m
Cathay Pacific
Deal found 6/7$1,312
This Kiwi.com deal was found by Cheapflights users on 6/7. 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 8/247:00 am
DCA
-
ICN
2 stops22h 45m
Multiple Airlines
Fri 9/117:15 pm
ICN
-
DCA
1 stop35h 44m
Multiple Airlines
Deal found 6/7$1,317
This Air Canada deal was found by Cheapflights users on 6/10. 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.
Tue 9/19:40 am
DCA
-
ICN
1 stop17h 45m
Air Canada
Tue 9/295:45 pm
ICN
-
DCA
2 stops29h 35m
Air Canada
Deal found 6/10$1,323
This Trip.com deal was found by Cheapflights users on 6/8. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/81:59 pm
DCA
-
ICN
2 stops36h 51m
Multiple Airlines
Mon 8/1710:05 pm
ICN
-
DCA
2 stops36h 54m
Multiple Airlines
Deal found 6/8$1,326
This Alaska Airlines deal was found by Cheapflights users on 6/7. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/56:59 pm
DCA
-
ICN
2 stops33h 31m
Alaska Airlines
Sat 9/127:35 pm
ICN
-
DCA
2 stops35h 24m
Alaska Airlines
Deal found 6/7$1,327

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 June 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,298
(Philippine Airlines)

One-way from

$686
(Alaska Airlines)

Popular in

March

Cheapest in

February

Average price

$1,630
Provider with most accurate pricing for Washington, D.C. Reagan-National-Incheon Intl flight deals.
Provider most trusted by Cheapflights users for Washington, D.C. Reagan-National-Incheon Intl flights.
From Washington, D.C. Reagan-National to Incheon Intl
One-way flight from Washington, D.C. Reagan-National to Incheon Intl
Highest demand for flights based on searches. 2% potential increase in price ($44 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($62 potential savings vs. average RT price).
Average for round-trip flights in June 2026

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 June 11, 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

Sat 8/29

5:35 pm-7:15 pm

2 stops60h 40m

Incheon Intl

Wed 9/30

8:30 pm-8:49 pm

2 stops37h 19m

$1,306

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Sat 9/19

6:59 pm-5:30 pm

2 stops33h 31m

Incheon Intl

Sun 9/27

7:35 pm-5:59 pm

2 stops35h 24m

$1,327

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Sun 10/4

8:40 am-7:15 pm

2 stops45h 35m

Incheon Intl

Fri 10/30

7:20 am-8:59 pm

2 stops26h 39m

$1,336

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Mon 11/9

5:06 pm-12:45 pm

2 stops29h 39m

Incheon Intl

Wed 11/18

7:35 pm-6:54 pm

2 stops37h 19m

$1,353

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Wed 9/16

6:59 pm-5:30 pm

2 stops33h 31m

Incheon Intl

Wed 9/30

7:35 pm-5:59 pm

2 stops35h 24m

$1,373

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Wed 10/7

6:59 pm-2:05 pm

2 stops30h 06m

Incheon Intl

Wed 10/21

8:00 am-8:16 pm

2 stops25h 16m

$1,397

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Sun 8/23

9:30 am-5:30 pm

2 stops43h 00m

Incheon Intl

Fri 9/18

7:35 pm-5:59 pm

2 stops35h 24m

$1,468

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Sat 8/29

6:59 pm-11:00 am

2 stops27h 01m

Incheon Intl

Wed 9/30

7:45 pm-2:35 pm

3 stops31h 50m

$1,505

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Mon 8/3

7:08 pm-7:05 pm

2 stops34h 57m

Incheon Intl

Thu 8/13

1:55 am-11:58 pm

2 stops35h 03m

$1,522
Quickest round-trip

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Wed 8/5

6:59 am-2:10 pm

1 stop18h 11m

Incheon Intl

Wed 8/19

6:50 pm-11:48 pm

1 stop17h 58m

$1,616

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/6

Showing 1-10 of 22 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 June.
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 $2,327). 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?

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 June 11, 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.

Boarding

7.3

Crew

7.8

Overall

7.1

Entertainment

6.8

Food

6.3

Comfort

7.1

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

Boarding

7.3

Crew

7.8

Overall

7.1

Entertainment

6.8

Food

6.3

Comfort

7.1

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 33h 31m. Philippine Airlines provides one of the quickest options available for as low as $1,327. The distance from Washington, D.C. Reagan-National Airport to Incheon Intl Airport is about 6953 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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 30% 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 $2,327). 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

See prices for flight routes from nearby airports that may be better suited for you.

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 June 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$1,137Average$1,213FlexibilityNo cancel feeOn-time67%

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