Incheon Intl

$500+ 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 5/3. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — ICN
May 4 — May 111
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Cheapflights Tip: The best prices from Washington, D.C. Reagan-National to Incheon Intl are usually found in January or February, booked 65 days in advance, depart on a Sunday or Thursday and return on a Monday

Cheap 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 April 29, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$1,042
(Kiwi.com)

One-way from

$506
(Kiwi.com)

Popular in

July

Cheapest in

January

Average price

$957
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. 27% potential increase in price ($541 potential increase over avg. RT price).
Cheapest flight prices on average. 5% potential price decrease ($75 potential savings vs. average RT price).
Average for round-trip flights in April 2025

Find 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 April 29, 2025.

This Kiwi.com deal was found by Cheapflights users on 4/28. 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 5/61:00 pmDCA - ICN
2 stops42h 30mMultiple Airlines
Fri 5/236:20 pmICN - DCA
1 stop36h 18mMultiple Airlines
Deal found 4/28$980
This oojo deal was found by Cheapflights users on 4/27. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/257:31 pmDCA - ICN
2 stops29h 34mCathay Pacific
Mon 9/810:10 amICN - DCA
2 stops35h 55mCathay Pacific
Deal found 4/27$1,062
This oojo deal was found by Cheapflights users on 4/27. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/15:06 pmDCA - ICN
2 stops37h 29mChina Airlines
Thu 9/118:35 pmICN - DCA
2 stops37h 24mChina Airlines
Deal found 4/27$1,142
This Air Canada deal was found by Cheapflights users on 4/29. 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.
Mon 9/224:35 pmDCA - ICN
1 stop34h 40mAir Canada
Wed 10/156:00 pmICN - DCA
1 stop16h 51mAir Canada
Deal found 4/29$1,280
This oojo deal was found by Cheapflights users on 4/27. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/78:59 amDCA - ICN
2 stops44h 46mEVA Air
Thu 7/107:45 pmICN - DCA
2 stops38h 57mEVA Air
Deal found 4/27$1,413
This FlightHub deal was found by Cheapflights users on 4/27. 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.
Mon 9/16:30 amDCA - ICN
2 stops34h 55mLOT
Tue 9/1611:20 amICN - DCA
2 stops48h 39mLOT
Deal found 4/27$1,447
This American Airlines deal was found by Cheapflights users on 4/28. 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.
Fri 8/155:00 amDCA - ICN
2 stops21h 30mAmerican Airlines
Mon 8/255:25 pmICN - DCA
1 stop20h 26mAmerican Airlines
Deal found 4/28$1,517
This WestJet deal was found by Cheapflights users on 4/27. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/316:30 amDCA - ICN
2 stops23h 15mWestJet
Tue 9/168:45 pmICN - DCA
2 stops35h 35mWestJet
Deal found 4/27$1,546

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 April 29, 2025.
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

Reagan-National

Fly to

Incheon Intl

Route

Depart

Return

Price

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Tue 5/6

1:00 pm-8:30 pm

2 stops42h 30m

Incheon Intl

Fri 5/23

6:20 pm-5:38 pm

1 stop36h 18m

$980

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Fri 5/2

11:54 am-2:05 pm

2 stops37h 11m

Incheon Intl

Wed 5/14

8:05 pm-7:07 pm

2 stops36h 02m

$1,186

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Thu 7/17

6:00 am-4:15 pm

1 stop21h 15m

Incheon Intl

Tue 1/13

8:10 pm-10:37 pm

1 stop16h 27m

$1,310

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Wed 5/7

8:59 am-6:45 pm

2 stops44h 46m

Incheon Intl

Thu 7/10

7:45 pm-9:42 pm

2 stops38h 57m

$1,413

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Wed 7/9

5:00 am-3:30 pm

1 stop21h 30m

Incheon Intl

Mon 7/21

5:25 pm-12:49 am

1 stop20h 24m

$1,563

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Wed 5/21

6:09 am-6:25 am

2 stops35h 16m

Incheon Intl

Sun 6/1

11:20 am-10:58 pm

2 stops48h 38m

$1,626

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Tue 5/27

5:49 pm-11:20 am

2 stops28h 31m

Incheon Intl

Tue 7/15

9:50 pm-11:11 pm

2 stops38h 21m

$1,660

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Sat 5/3

1:00 pm-8:30 pm

2 stops42h 30m

$500

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Tue 7/22

6:00 am-4:15 pm

1 stop21h 15m

$669

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Thu 7/10

12:10 pm-7:05 pm

2 stops41h 55m

$688

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 21 results
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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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice 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 AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Washington, D.C. Reagan-National Airport-Incheon Intl Airport flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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

How far ahead should I book a flight from Washington, D.C. Reagan-National Airport to Incheon Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Reagan-National to Incheon Intl. Price data was last updated on April 25, 2025.

The price you pay for your flight from Washington, D.C. Reagan-National Airport to Incheon Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 3 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 $1,001). Flying from Washington, D.C. Reagan-National Airport to Incheon Intl Airport in December is currently the most expensive (average of $1,635). 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.

What is the cheapest time of day to fly from DCA to ICN?

Find hourly flight availability from Reagan-National to Incheon Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 29, 2025.

When flying from Washington, D.C. Reagan-National Airport to Incheon Intl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 32% versus a flight at noon.

Rainfall in Incheon Intl by month

Plan your trip to Incheon Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Incheon Intl Airport ranges from 0.8 - 10.2 inches per month. July is typically the wettest month, when rainfall can reach 10.2 in. January is typically the driest time to visit Incheon Intl Airport when rainfall is around 0.8 in.

Temperature in Incheon Intl by month

Plan your trip to Incheon Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Incheon Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 28.4 F).

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 April 29, 2025.
To help decide which airline to fly from Washington, D.C. to Seoul, see what other customers have to say about Korean Air, China Airlines and Asiana Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

8.3

Food

8.1

Entertainment

8.2

Crew

8.7

Boarding

8.5

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

Comfort

8.3

Food

8.1

Entertainment

8.2

Crew

8.7

Boarding

8.5

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

Comfort

8.3

Food

8.1

Entertainment

8.2

Crew

8.7

Boarding

8.5

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

Comfort

8.3

Food

8.1

Entertainment

8.2

Crew

8.7

Boarding

8.5

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

Comfort

8.3

Food

8.1

Entertainment

8.2

Crew

8.7

Boarding

8.5

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

Comfort

8.3

Food

8.1

Entertainment

8.2

Crew

8.7

Boarding

8.5

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

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.
  • What are the cheapest airlines flying from Washington, D.C. Reagan-National Airport to Incheon Intl Airport round-trip?

    According to our current data, Cathay Pacific ($1,112), Air Canada ($1,310), and WestJet ($1,499) 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 21% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Washington, D.C. Reagan-National Airport to Incheon Intl Airport one-way?

    For one-way options, check prices for Air Canada. According to our data, you can fly for as low as $670. Users have also found prices from $672 and $720 on Cathay Pacific and WestJet, respectively.

  • 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 $1,001). Flying from Washington, D.C. Reagan-National Airport to Incheon Intl Airport in December is currently the most expensive (average of $1,635). 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 Washington, D.C. Reagan-National Airport?

Book flights to Washington, D.C. Reagan-National Airport if you plan to visit one of these locations
Suwon
Seongnam
Daejeon

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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 3 airlines flying from Reagan-National to Incheon Intl

Discover the top 3 airlines 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 April 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$867Average$1,280FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$877Average$1,134FlexibilityNo cancel feeOn-time71%
Korean AirCheapest$1,527Average$1,898FlexibilityNo cancel feeOn-time81%

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