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

Travelers seeking maximum savings on their Incheon Intl Airport to Washington, D.C. Reagan-National Airport flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Wednesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 day to fly round-trip from Incheon Intl Airport to Washington, D.C. Reagan-National Airport?

Flights from Incheon Intl Airport to Washington, D.C. Reagan-National Airport are found to be more expensive on Friday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Washington, D.C. Reagan-National Airport.

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

Flights from Incheon Intl Airport to Washington, D.C. Reagan-National Airport lean towards being more expensive in July. Prices are generally better when you fly from Incheon Intl Airport to Washington, D.C. Reagan-National Airport in February, with the cheapest ticket starting at $748.

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 fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 28% versus a flight in the morning.

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.

$372+ Flights from Incheon Intl Airport to Washington, D.C. Reagan-National Airport

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Cheap flight deals from Incheon Intl to Reagan-National

Round-trip from	$492 (Air Canada)
One-way from	$372 (Expedia)
Popular in	January
Cheapest in	April
Average price	$1,056

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. 12% potential increase in price ($151 potential increase over avg. RT price).

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Cheapest flight prices on average. 7% potential price decrease ($70 potential savings vs. average RT price).

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Average for round-trip flights in July 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 July 28, 2025.

Wed 9/176:00 pmICN - DCA

1 stop29h 20mAir Canada

Wed 10/224:35 pmDCA - ICN

1 stop34h 40mAir Canada

Deal found 7/27

$492

Mon 9/228:35 pmICN - DCA

2 stops34h 24mAlaska Airlines

Sat 10/186:59 pmDCA - ICN

2 stops34h 36mAlaska Airlines

Deal found 7/28

$807

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 July 28, 2025.

Wed 9/176:00 pmICN - DCA

1 stop29h 20mAir Canada

Wed 10/224:35 pmDCA - ICN

1 stop34h 40mAir Canada

Deal found 7/27

$492

Mon 9/228:35 pmICN - DCA

2 stops34h 24mAlaska Airlines

Sat 10/186:59 pmDCA - ICN

2 stops34h 36mAlaska Airlines

Deal found 7/28

$807

Last-minute flights from Incheon Intl to Reagan-National
Discover last-minute flight deals from Incheon Intl to Reagan-National. Data last updated July 28, 2025 and is based on user searches.

Tue 7/295:45 pmICN - DCA

2 stops28h 12mAir Canada

Wed 8/206:50 pmDCA - ICN

2 stops32h 15mAir Canada

Deal found 7/27

$1,072

Thu 7/314:50 pmICN - DCA

2 stops29h 07mUnited Airlines

Wed 8/62:54 pmDCA - ICN

2 stops24h 26mUnited Airlines

Deal found 7/28

$964

Mon 8/411:30 amICN - DCA

2 stops37h 16mUnited Airlines

Mon 8/1112:00 pmDCA - ICN

2 stops38h 00mUnited Airlines

Deal found 7/26

$1,111

Tue 8/59:05 pmICN - DCA

2 stops27h 58mMultiple Airlines

Tue 8/128:40 pmDCA - ICN

3 stops33h 05mMultiple Airlines

Deal found 7/28

$1,629

Wed 8/65:45 pmICN - DCA

2 stops28h 12mAir Canada

Fri 8/158:40 pmDCA - ICN

2 stops30h 25mAir Canada

Deal found 7/27

$1,081

Wed 8/69:25 pmICN - DCA

2 stops31h 37mAlaska Airlines

Wed 8/276:59 pmDCA - ICN

3 stops35h 01mAlaska Airlines

Deal found 7/28

$1,706

Thu 8/71:20 amICN - DCA

2 stops31h 43mQatar Airways

Fri 9/57:23 pmDCA - ICN

2 stops32h 42mQatar Airways

Deal found 7/27

$2,410

Mon 8/185:25 pmICN - DCA

1 stop20h 26mAmerican Airlines

Fri 9/195:00 amDCA - ICN

1 stop21h 30mAmerican Airlines

Deal found 7/26

$1,105

Tue 8/198:55 pmICN - DCA

1 stop34h 04mMultiple Airlines

Tue 8/268:00 amDCA - ICN

1 stop20h 55mMultiple Airlines

Deal found 7/28

$1,146

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 July 28, 2025.

Wed 10/156:00 pmICN - DCA

1 stop16h 51mAir Canada

Deal found 7/27

$372

Mon 8/256:20 pmICN - DCA

2 stops40h 39mMultiple Airlines

Deal found 7/28

$498

Mon 10/138:35 pmICN - DCA

2 stops61h 39mAlaska Airlines

Deal found 7/27

$586

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

Wed 9/17

6:00 pm-10:20 am

1 stop29h 20m

Washington, D.C. Reagan-National

Wed 10/22

4:35 pm-4:15 pm

1 stop34h 40m

$492

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Mon 9/22

8:35 pm-5:59 pm

2 stops34h 24m

Washington, D.C. Reagan-National

Sat 10/18

6:59 pm-6:35 pm

2 stops34h 36m

$807

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Wed 10/15

6:00 pm-9:51 pm

1 stop16h 51m

$372

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Mon 8/25

6:20 pm-9:59 pm

2 stops40h 39m

$498

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Mon 10/13

8:35 pm-9:14 pm

2 stops61h 39m

$586

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

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.

Cheapflights Insights

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

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

Currently, February is the cheapest month in which you can book a flight from Incheon Intl Airport to Washington, D.C. Reagan-National Airport (average of $278). Flying from Incheon Intl Airport to Washington, D.C. Reagan-National Airport in March is currently the most expensive (average of $335). 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.

Reviews of airlines servicing Reagan-National

Read reviews from past customers who have flown Alaska Airlines and 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.

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Jul 2025

YEG - SEA

Alaska airline excellent airline pilot smooth, landing, crew staff very nice friendly behave

Alaska Airlines

8.0

Very good

10,000 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Jul 2025

YEG - SEA

Alaska airline excellent airline pilot smooth, landing, crew staff very nice friendly behave

Air Canada

7.1

Good

9,813 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Jul 2025

YEG - SEA

Alaska airline excellent airline pilot smooth, landing, crew staff very nice friendly behave

Related info for your journey

What are the cheapest airlines flying from Incheon Intl Airport to Washington, D.C. Reagan-National Airport round-trip?
Currently priced at $492, 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. Check Cheapflights for deals on Alaska Airlines for as low as $807. These flights start at 51% 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.
What is the cheapest month to book a flight from Incheon Intl Airport to Washington, D.C. Reagan-National Airport?
Currently, February is the cheapest month in which you can book a flight from Incheon Intl Airport to Washington, D.C. Reagan-National Airport (average of $278). Flying from Incheon Intl Airport to Washington, D.C. Reagan-National Airport in March is currently the most expensive (average of $335). 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

Woodbridge

Arlington

Alexandria

Tysons

Silver Spring

Fredericksburg

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Easton

Towson

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Fairfax

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Dundalk

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Top 2 airlines flying from Incheon Intl to Reagan-National

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	Cheapest$688	Average$994	FlexibilityNo cancel fee	On-time67%
American Airlines	Cheapest$694	Average$699	FlexibilityNo cancel fee	On-time71%

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$372+ 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 10/15. 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

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Cheap flight deals from Incheon Intl to Reagan-National

Round-trip from

One-way from

Popular in

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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 July 28, 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 July 28, 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.

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.

Cheapflights Insights

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

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

Reviews of airlines servicing Reagan-National

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.

What are the cheapest airlines flying 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?

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

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

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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.

Top 2 airlines flying from Incheon Intl to Reagan-National

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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 July 28, 2025.