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

For as low as $346, Air Canada can have you in Washington, D.C. Reagan-National Airport from Incheon Intl Airport in 29h 31m. 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 26% lower than the current average price 3 months from now.

In terms of precipitation, rainfall in Washington, D.C. Reagan-National Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Reagan-National Airport when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C. Reagan-National Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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

When flying from Incheon Intl Airport to Washington, D.C. Reagan-National Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Most accurate provider : When it comes to deals on Incheon Intl Airport-Washington, D.C. Reagan-National Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Incheon Intl Airport-Washington, D.C. Reagan-National Airport flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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.

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.

$346+ Flights from Incheon Intl Airport to Washington, D.C. Reagan-National Airport

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1. Tell us where you want to go

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Cheap flight deals from Incheon Intl to Reagan-National

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$346 (Vliegwinkel)
Popular in	January
Cheapest in	September
Average price	$625

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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Highest demand for flights based on searches. 16% potential increase in price ($182 potential increase over avg. RT price).

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Cheapest flight prices on average. 10% potential price decrease ($86 potential savings vs. average RT price).

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Average for round-trip flights in October 2025

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Find 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 October 27, 2025.

Mon 11/106:55 pmICN - DCA

2 stops29h 31mAir Canada

Sun 11/239:40 amDCA - ICN

1 stop18h 45mAir Canada

Deal found 10/25

$346

Tue 11/46:55 pmICN - DCA

2 stops29h 31mAir Canada

Sun 11/99:40 amDCA - ICN

2 stops41h 30mAir Canada

Deal found 10/25

$351

Thu 11/206:55 pmICN - DCA

2 stops28h 00mAir Canada

Sun 11/238:40 pmDCA - ICN

1 stop31h 45mAir Canada

Deal found 10/25

$370

Best flights from Incheon Intl to Reagan-National
Discover carefully curated flight deals from Incheon Intl to Reagan-National that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 27, 2025.

Mon 11/106:55 pmICN - DCA

2 stops29h 31mAir Canada

Sun 11/239:40 amDCA - ICN

1 stop18h 45mAir Canada

Deal found 10/25

$346

Mon 2/28:35 pmICN - DCA

1 stop33h 34mAlaska Airlines

Fri 2/208:00 amDCA - ICN

1 stop20h 35mAlaska Airlines

Deal found 10/25

$472

Thu 2/1912:45 pmICN - DCA

2 stops25h 14mUnited Airlines

Mon 2/235:50 pmDCA - ICN

1 stop32h 25mUnited Airlines

Deal found 10/26

$490

Thu 11/206:55 pmICN - DCA

2 stops28h 00mAir Canada

Sun 11/238:40 pmDCA - ICN

1 stop31h 45mAir Canada

Deal found 10/25

$370

Mon 3/95:00 pmICN - DCA

2 stops19h 59mUnited Airlines

Wed 3/112:00 pmDCA - ICN

2 stops25h 40mUnited Airlines

Deal found 10/25

$490

Wed 11/196:55 pmICN - DCA

2 stops29h 31mAir Canada

Wed 2/184:10 pmDCA - ICN

2 stops33h 50mAir Canada

Deal found 10/25

$458

Wed 11/196:55 pmICN - DCA

2 stops29h 31mAir Canada

Mon 1/194:10 pmDCA - ICN

2 stops33h 50mAir Canada

Deal found 10/26

$458

Fri 11/146:55 pmICN - DCA

2 stops34h 36mAir Canada

Mon 2/912:55 pmDCA - ICN

2 stops37h 05mAir Canada

Deal found 10/24

$460

Last-minute flights from Incheon Intl to Reagan-National
Discover last-minute flight deals from Incheon Intl to Reagan-National. Data last updated October 27, 2025 and is based on user searches.

Tue 11/46:55 pmICN - DCA

2 stops29h 31mAir Canada

Sun 11/99:40 amDCA - ICN

2 stops41h 30mAir Canada

Deal found 10/25

$351

Mon 11/106:55 pmICN - DCA

2 stops29h 31mAir Canada

Sun 11/239:40 amDCA - ICN

1 stop18h 45mAir Canada

Deal found 10/25

$346

Thu 11/206:55 pmICN - DCA

2 stops28h 00mAir Canada

Sun 11/238:40 pmDCA - ICN

1 stop31h 45mAir Canada

Deal found 10/25

$370

One-way flights from Incheon Intl to Reagan-National
Search for one-way flight options from Incheon Intl to Reagan-National. Find affordable one-way fares based on user searches. Data last updated October 27, 2025.

Sun 12/146:55 pmICN - DCA

2 stops56h 11mMultiple Airlines

Deal found 10/25

$401

Sun 12/76:55 pmICN - DCA

2 stops36h 04mMultiple Airlines

Deal found 10/25

$404

Wed 11/126:55 pmICN - DCA

2 stops56h 07mMultiple Airlines

Deal found 10/26

$412

Fri 1/168:35 pmICN - DCA

2 stops35h 21mMultiple Airlines

Deal found 10/26

$522

Fri 11/218:35 pmICN - DCA

3 stops39h 24mMultiple Airlines

Deal found 10/25

$580

Cheapflights Fare Finder

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

Fly to

Route

Depart

Return

Price

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Mon 11/10

6:55 pm-10:26 am

2 stops29h 31m

Washington, D.C. Reagan-National

Sun 11/23

9:40 am-6:25 pm

1 stop18h 45m

$346

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Thu 11/20

6:55 pm-8:55 am

2 stops28h 00m

Washington, D.C. Reagan-National

Sun 11/23

8:40 pm-6:25 pm

1 stop31h 45m

$370

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Wed 11/19

6:55 pm-10:26 am

2 stops29h 31m

Washington, D.C. Reagan-National

Wed 2/18

4:10 pm-4:00 pm

2 stops33h 50m

$458

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Wed 11/19

6:55 pm-10:26 am

2 stops29h 31m

Washington, D.C. Reagan-National

Mon 1/19

4:10 pm-4:00 pm

2 stops33h 50m

$458

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Fri 11/14

6:55 pm-3:31 pm

2 stops34h 36m

Washington, D.C. Reagan-National

Mon 2/9

12:55 pm-4:00 pm

2 stops37h 05m

$460

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Mon 2/2

8:35 pm-4:09 pm

1 stop33h 34m

Washington, D.C. Reagan-National

Fri 2/20

8:00 am-6:35 pm

1 stop20h 35m

$472

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Thu 2/19

12:45 pm-11:59 pm

2 stops25h 14m

Washington, D.C. Reagan-National

Mon 2/23

5:50 pm-4:15 pm

1 stop32h 25m

$490

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Mon 3/9

5:00 pm-11:59 pm

2 stops19h 59m

Washington, D.C. Reagan-National

Wed 3/11

2:00 pm-4:40 am

2 stops25h 40m

$490

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Sun 12/7

8:35 pm-4:59 pm

3 stops34h 24m

$407

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Wed 11/12

6:55 pm-1:02 pm

2 stops56h 07m

$412

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/25

Showing 1-10 of 16 results

Compare providers for flights from Incheon Intl to Reagan-National

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Incheon Intl to Reagan-National in October.

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust 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 Incheon Intl Airport-Washington, D.C. Reagan-National Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Incheon Intl Airport-Washington, D.C. Reagan-National Airport flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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

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

10,370 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Jul 2024

YVR - LAX

Seamless in all ways..arriving 25 minutes early into Los Angeles was outstanding

Air Canada

7.1

Good

10,370 reviews

Air Canada

7.1

Good

10,370 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Jul 2024

YVR - LAX

Seamless in all ways..arriving 25 minutes early into Los Angeles was outstanding

Related info for your journey

How long is the flight from Incheon Intl Airport to Washington, D.C. Reagan-National Airport?
For as low as $346, Air Canada can have you in Washington, D.C. Reagan-National Airport from Incheon Intl Airport in 29h 31m. 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 26% 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.

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Top airline flying from Incheon Intl to Reagan-National

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	Cheapest$688	Average$981	FlexibilityNo cancel fee	On-time67%

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$346+ Cheap flights from Incheon Intl (ICN) to Reagan-National (DCA)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/10. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Incheon Intl to Reagan-National with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Incheon Intl to Reagan-National

Most accurate provider

Most trusted provider

Round-trip from

Popular in

Cheapest in

Average price

Find flight deals from Incheon Intl to Reagan-National

Cheapest flights from Incheon Intl to Reagan-NationalExplore 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 October 27, 2025.

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 October 27, 2025.

Cheapflights Fare Finder

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.

Compare providers for flights from Incheon Intl to Reagan-National

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 Incheon Intl to Reagan-National in October.

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.

Reviews of airlines servicing Reagan-National

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.

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?

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

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

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

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

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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Incheon Intl to Reagan-National

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Top airline flying from Incheon Intl to Reagan-National

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Travel Smart

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 October 27, 2025.