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 KIX to DCA?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Osaka Kansai Intl Airport to Washington, D.C. Reagan-National Airport as you normally would.

Most accurate provider : When it comes to deals on Osaka Kansai 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 Osaka Kansai 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 Osaka Kansai 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 Osaka Kansai 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 Osaka Kansai 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 Kansai Intl to Reagan-National that include hotel bookings?

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

How can I find direct flights from Kansai 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 Kansai Intl to Reagan-National.

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

Yes. Cheapflights offers flight deals from Kansai 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.

$402+ Flights from Osaka Kansai Intl Airport to Washington, D.C. Reagan-National Airport

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

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

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Kansai Intl to Reagan-National

Cheapest flights from Kansai Intl to Reagan-National
Explore the most affordable flight options available from Kansai Intl to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

Mon 12/226:05 pmKIX - DCA

2 stops38h 52mCathay Pacific

Fri 1/29:36 amDCA - KIX

2 stops42h 14mCathay Pacific

Deal found 12/10

$1,955

Mon 12/226:35 pmKIX - DCA

2 stops19h 24mUnited Airlines

Fri 1/27:00 amDCA - KIX

1 stop19h 40mUnited Airlines

Deal found 12/9

$1,975

Best flights from Kansai Intl to Reagan-National
Discover carefully curated flight deals from Kansai Intl to Reagan-National that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 12, 2025.

Fri 2/136:35 pmKIX - DCA

1 stop17h 01mUnited Airlines

Thu 2/1912:47 pmDCA - KIX

2 stops37h 53mUnited Airlines

Deal found 12/10

$1,069

Tue 3/36:35 pmKIX - DCA

1 stop17h 04mUnited Airlines

Thu 3/57:00 amDCA - KIX

1 stop19h 40mUnited Airlines

Deal found 12/11

$1,069

Wed 3/46:35 pmKIX - DCA

1 stop17h 04mUnited Airlines

Sat 3/75:55 pmDCA - KIX

1 stop32h 45mUnited Airlines

Deal found 12/11

$1,069

Wed 2/116:35 pmKIX - DCA

2 stops31h 01mUnited Airlines

Sun 2/157:00 amDCA - KIX

1 stop19h 40mUnited Airlines

Deal found 12/10

$1,069

Tue 3/36:35 pmKIX - DCA

2 stops31h 00mUnited Airlines

Sun 3/87:00 amDCA - KIX

1 stop20h 40mUnited Airlines

Deal found 12/11

$1,069

Fri 2/276:35 pmKIX - DCA

2 stops31h 01mUnited Airlines

Sun 3/87:00 amDCA - KIX

1 stop20h 40mUnited Airlines

Deal found 12/11

$1,069

Sat 2/286:35 pmKIX - DCA

2 stops31h 00mUnited Airlines

Sun 3/87:00 amDCA - KIX

1 stop20h 40mUnited Airlines

Deal found 12/11

$1,069

Mon 3/26:35 pmKIX - DCA

1 stop17h 04mUnited Airlines

Thu 3/57:00 amDCA - KIX

1 stop19h 40mUnited Airlines

Deal found 12/11

$1,069

Fri 2/136:35 pmKIX - DCA

1 stop17h 01mUnited Airlines

Sat 2/145:50 pmDCA - KIX

1 stop32h 50mUnited Airlines

Deal found 12/10

$1,069

Sun 2/86:35 pmKIX - DCA

1 stop17h 17mUnited Airlines

Mon 2/165:50 pmDCA - KIX

1 stop32h 50mUnited Airlines

Deal found 12/10

$1,069

Mon 3/26:35 pmKIX - DCA

1 stop17h 04mUnited Airlines

Sat 3/75:55 pmDCA - KIX

1 stop32h 45mUnited Airlines

Deal found 12/11

$1,069

Last-minute flights from Kansai Intl to Reagan-National
Discover last-minute flight deals from Kansai Intl to Reagan-National. Data last updated December 12, 2025 and is based on user searches.

Thu 1/223:45 pmKIX - DCA

2 stops20h 50mAir Canada

Mon 1/269:40 amDCA - KIX

2 stops19h 45mAir Canada

Deal found 12/9

$1,142

Fri 1/233:45 pmKIX - DCA

2 stops20h 50mMultiple Airlines

Fri 1/306:00 amDCA - KIX

2 stops24h 35mMultiple Airlines

Deal found 12/9

$1,178

Sat 1/243:45 pmKIX - DCA

2 stops20h 50mMultiple Airlines

Sat 1/316:45 amDCA - KIX

2 stops25h 05mMultiple Airlines

Deal found 12/10

$1,227

Sun 1/258:45 pmKIX - DCA

2 stops37h 15mMultiple Airlines

Sun 2/19:59 amDCA - KIX

2 stops42h 46mMultiple Airlines

Deal found 12/10

$1,086

Sun 1/253:45 pmKIX - DCA

2 stops20h 50mAir Canada

Sun 2/16:59 amDCA - KIX

2 stops22h 26mAir Canada

Deal found 12/11

$1,297

One-way flights from Kansai Intl to Reagan-National
Search for one-way flight options from Kansai Intl to Reagan-National. Find affordable one-way fares based on user searches. Data last updated December 12, 2025.

Sat 1/2410:50 amKIX - DCA

3 stops44h 09mMultiple Airlines

Deal found 12/10

$402

Fri 1/168:45 pmKIX - DCA

3 stops34h 14mMultiple Airlines

Deal found 12/9

$476

Wed 4/87:40 amKIX - DCA

3 stops46h 19mMultiple Airlines

Deal found 12/10

$608

Tue 4/74:00 pmKIX - DCA

3 stops37h 59mMultiple Airlines

Deal found 12/10

$610

Thu 4/301:10 pmKIX - DCA

2 stops43h 51mMultiple Airlines

Deal found 12/11

$629

Mon 5/181:10 pmKIX - DCA

2 stops43h 50mMultiple Airlines

Deal found 12/8

$635

Thu 5/216:30 pmKIX - DCA

2 stops62h 30mMultiple Airlines

Deal found 12/11

$669

Thu 4/91:10 pmKIX - DCA

2 stops44h 31mMultiple Airlines

Deal found 12/10

$688

Find flight deals from Kansai Intl to Reagan-National

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$1,069 (United Airlines)
One-way from	$402 (Kiwi.com)

Provider with most accurate pricing for Osaka Kansai Intl-Washington, D.C. Reagan-National flight deals.

Search Deals

Provider most trusted by Cheapflights users for Osaka Kansai Intl-Washington, D.C. Reagan-National flights.

Search Deals

From Osaka Kansai Intl to Washington, D.C. Reagan-National

Search Deals

One-way flight from Osaka Kansai Intl to Washington, D.C. Reagan-National

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Osaka Kansai Intl Airport to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Fri 2/13

6:35 pm-9:36 pm

1 stop17h 01m

Washington, D.C. Reagan-National

Thu 2/19

12:47 pm-4:40 pm

2 stops37h 53m

$1,069

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Tue 3/3

6:35 pm-9:39 pm

1 stop17h 04m

Washington, D.C. Reagan-National

Thu 3/5

7:00 am-4:40 pm

1 stop19h 40m

$1,069

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Wed 3/4

6:35 pm-9:39 pm

1 stop17h 04m

Washington, D.C. Reagan-National

Sat 3/7

5:55 pm-4:40 pm

1 stop32h 45m

$1,069

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Wed 2/11

6:35 pm-11:36 am

2 stops31h 01m

Washington, D.C. Reagan-National

Sun 2/15

7:00 am-4:40 pm

1 stop19h 40m

$1,069

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Tue 3/3

6:35 pm-11:35 am

2 stops31h 00m

Washington, D.C. Reagan-National

Sun 3/8

7:00 am-4:40 pm

1 stop20h 40m

$1,069

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Fri 2/27

6:35 pm-11:36 am

2 stops31h 01m

Washington, D.C. Reagan-National

Sun 3/8

7:00 am-4:40 pm

1 stop20h 40m

$1,069

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Sat 2/28

6:35 pm-11:35 am

2 stops31h 00m

Washington, D.C. Reagan-National

Sun 3/8

7:00 am-4:40 pm

1 stop20h 40m

$1,069

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Mon 3/2

6:35 pm-9:39 pm

1 stop17h 04m

Washington, D.C. Reagan-National

Thu 3/5

7:00 am-4:40 pm

1 stop19h 40m

$1,069

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Fri 2/13

6:35 pm-9:36 pm

1 stop17h 01m

Washington, D.C. Reagan-National

Sat 2/14

5:50 pm-4:40 pm

1 stop32h 50m

$1,069

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Sun 2/8

6:35 pm-9:52 pm

1 stop17h 17m

Washington, D.C. Reagan-National

Mon 2/16

5:50 pm-4:40 pm

1 stop32h 50m

$1,069

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/9

Showing 1-10 of 18 results

Most accurate provider: When it comes to deals on Osaka Kansai 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 Osaka Kansai 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 Osaka Kansai 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 Osaka Kansai 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 Osaka Kansai 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 Kansai Intl to Reagan-National

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

Related info for your journey

How long is the flight from Osaka Kansai Intl Airport to Washington, D.C. Reagan-National Airport?
Airlines like United Airlines fly from Osaka Kansai Intl Airport to Washington, D.C. Reagan-National Airport in about 17h 01m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 6964 mi.
Can I find deals for flights from Kansai Intl to Reagan-National that include hotel bookings?
Yes. In addition to deals on Kansai Intl to Reagan-National flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Kansai 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 Kansai Intl to Reagan-National.
Can I find deals for business class flights from Kansai Intl to Reagan-National?
Yes. Cheapflights offers flight deals from Kansai 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.

See more FAQs

Alexandria

Woodbridge

Tysons

Arlington

Owings Mills

Springfield

Hanover

Silver Spring

Fredericksburg

Fairfax

Linthicum Heights

Manassas

Rockville

Laurel

Towson

National Harbor

Bowie

Largo

McLean

Clinton

Browse thousands of different options on Cheapflights for your next trip

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$402+ Cheap flights from Kansai Intl (KIX) 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 1/24. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Kansai 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 Kansai Intl to Reagan-National

Cheapest flights from Kansai Intl to Reagan-NationalExplore the most affordable flight options available from Kansai Intl to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

Explore the most affordable flight options available from Kansai Intl to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

Find flight deals from Kansai Intl to Reagan-National

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Cheapflights Fare Finder

Use the filters below to find and compare flights from Osaka Kansai Intl Airport to Washington, D.C. Reagan-National Airport that are best for you.

Best time to book a flight from Kansai Intl to Reagan-National

Have a flexible travel schedule? Discover the best time to fly to Reagan-National from Kansai Intl with our price prediction graph.

Related info for your journey

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

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

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

Can I find deals for business class flights from Kansai 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Kansai Intl to Reagan-National

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

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Kansai Intl to Reagan-National
Explore the most affordable flight options available from Kansai Intl to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.