In terms of precipitation, rainfall in Osaka Kansai Intl Airport ranges from 1.6 - 7.9 inches per month. June is typically the wettest month, when rainfall can reach 7.9 in. January is typically the driest time to visit Osaka Kansai Intl Airport when rainfall is around 1.6 in.

If weather is an important factor for your trip to Osaka Kansai 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 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 42.8 F).

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

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

Most accurate provider : When it comes to deals on Washington, D.C. Reagan-National Airport-Osaka Kansai Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Washington, D.C. Reagan-National Airport-Osaka Kansai Intl Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Washington, D.C. Reagan-National Airport-Osaka Kansai 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-Osaka Kansai Intl 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 Washington, D.C. Reagan-National Airport-Osaka Kansai Intl 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 Reagan-National to Kansai Intl that include hotel bookings?

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

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

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

Yes. Cheapflights offers flight deals from Reagan-National to Kansai 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.

$533+ Flights from Washington, D.C. Reagan-National Airport to Osaka Kansai Intl Airport

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Cheap flight deals from Reagan-National to Kansai Intl

Cheapest flights from Reagan-National to Kansai Intl
Explore the most affordable flight options available from Reagan-National to Kansai Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 28, 2025.

Mon 12/299:36 amDCA - KIX

2 stops37h 09mCathay Pacific

Thu 1/89:25 amKIX - DCA

2 stops27h 35mCathay Pacific

Deal found 12/26

$1,877

Tue 12/306:35 pmDCA - KIX

3 stops30h 20mCathay Pacific

Tue 1/64:15 pmKIX - DCA

3 stops44h 45mCathay Pacific

Deal found 12/25

$2,154

Fri 12/266:35 pmDCA - KIX

3 stops30h 20mCathay Pacific

Fri 1/210:00 amKIX - DCA

2 stops26h 59mCathay Pacific

Deal found 12/25

$2,479

Best flights from Reagan-National to Kansai Intl
Discover carefully curated flight deals from Reagan-National to Kansai Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 28, 2025.

Fri 1/306:00 amDCA - KIX

2 stops24h 35mMultiple Airlines

Fri 2/133:00 pmKIX - DCA

2 stops21h 35mMultiple Airlines

Deal found 12/26

$913

Tue 2/106:59 amDCA - KIX

2 stops22h 26mAir Canada

Tue 2/173:45 pmKIX - DCA

2 stops20h 50mAir Canada

Deal found 12/27

$959

Sun 1/187:00 amDCA - KIX

1 stop19h 40mUnited Airlines

Fri 3/66:35 pmKIX - DCA

1 stop17h 10mUnited Airlines

Deal found 12/25

$969

Tue 2/109:40 amDCA - KIX

2 stops22h 10mMultiple Airlines

Tue 2/1710:40 amKIX - DCA

2 stops25h 16mMultiple Airlines

Deal found 12/26

$955

Mon 1/197:00 amDCA - KIX

1 stop19h 40mUnited Airlines

Thu 3/56:35 pmKIX - DCA

1 stop17h 10mUnited Airlines

Deal found 12/25

$969

Wed 1/217:00 amDCA - KIX

1 stop19h 40mUnited Airlines

Thu 3/56:35 pmKIX - DCA

1 stop17h 10mUnited Airlines

Deal found 12/25

$969

Wed 3/47:00 amDCA - KIX

1 stop19h 40mUnited Airlines

Wed 3/188:20 amKIX - DCA

2 stops27h 32mUnited Airlines

Deal found 12/25

$971

Wed 1/217:00 amDCA - KIX

1 stop19h 40mUnited Airlines

Tue 3/38:20 amKIX - DCA

2 stops26h 39mUnited Airlines

Deal found 12/25

$971

Wed 1/217:00 amDCA - KIX

1 stop19h 40mUnited Airlines

Wed 3/46:35 pmKIX - DCA

2 stops19h 24mUnited Airlines

Deal found 12/25

$973

Tue 1/207:00 amDCA - KIX

1 stop19h 40mUnited Airlines

Wed 3/46:35 pmKIX - DCA

2 stops19h 24mUnited Airlines

Deal found 12/25

$973

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

Sun 1/118:40 pmDCA - KIX

2 stops32h 45mMultiple Airlines

Sun 1/253:00 pmKIX - DCA

2 stops21h 35mMultiple Airlines

Deal found 12/25

$916

Sat 1/175:00 pmDCA - KIX

1 stop35h 50mJapan Airlines

Sat 1/317:00 amKIX - DCA

2 stops25h 58mJapan Airlines

Deal found 12/26

$1,021

Sun 1/187:00 amDCA - KIX

1 stop19h 40mUnited Airlines

Tue 3/36:35 pmKIX - DCA

1 stop17h 04mUnited Airlines

Deal found 12/25

$969

Sun 1/187:00 amDCA - KIX

1 stop19h 40mUnited Airlines

Wed 3/46:35 pmKIX - DCA

2 stops19h 24mUnited Airlines

Deal found 12/25

$973

Tue 1/206:00 amDCA - KIX

2 stops24h 35mMultiple Airlines

Tue 3/37:25 pmKIX - DCA

2 stops28h 56mMultiple Airlines

Deal found 12/25

$873

Thu 1/227:00 amDCA - KIX

1 stop19h 40mUnited Airlines

Tue 3/36:35 pmKIX - DCA

1 stop17h 04mUnited Airlines

Deal found 12/25

$1,019

Sat 1/248:40 pmDCA - KIX

2 stops32h 45mAir Canada

Sat 1/313:45 pmKIX - DCA

2 stops31h 10mAir Canada

Deal found 12/25

$950

Tue 1/276:59 amDCA - KIX

2 stops22h 26mAir Canada

Tue 2/33:45 pmKIX - DCA

2 stops20h 50mAir Canada

Deal found 12/26

$957

Tue 1/276:00 amDCA - KIX

2 stops24h 35mMultiple Airlines

Sun 2/110:40 amKIX - DCA

2 stops25h 55mMultiple Airlines

Deal found 12/26

$998

Wed 1/286:59 amDCA - KIX

2 stops35h 26mJapan Airlines

Tue 2/107:00 amKIX - DCA

2 stops19h 44mJapan Airlines

Deal found 12/26

$967

Fri 1/306:00 amDCA - KIX

2 stops24h 35mMultiple Airlines

Fri 2/133:00 pmKIX - DCA

2 stops21h 35mMultiple Airlines

Deal found 12/27

$913

One-way flights from Reagan-National to Kansai Intl
Search for one-way flight options from Reagan-National to Kansai Intl. Find affordable one-way fares based on user searches. Data last updated December 28, 2025.

Sun 3/88:40 pmDCA - KIX

2 stops32h 00mAir Canada

Deal found 12/26

$533

Sun 3/88:30 amDCA - KIX

1 stop21h 20mJapan Airlines

Deal found 12/26

$540

Sun 3/86:59 pmDCA - KIX

3 stops30h 56mMultiple Airlines

Deal found 12/26

$840

Find flight deals from Reagan-National to Kansai Intl

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$910 (Air Canada)
One-way from	$533 (Air Canada)
Popular in	June
Cheapest in	January
Average price	$1,559

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

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

Search Deals

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

Search Deals

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

Search Deals

Highest demand for flights based on searches. 13% potential increase in price ($214 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($37 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Fri 1/30

6:00 am-8:35 pm

2 stops24h 35m

Osaka Kansai Intl

Fri 2/13

3:00 pm-10:35 pm

2 stops21h 35m

$913

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Tue 2/10

9:40 am-9:50 pm

2 stops22h 10m

Osaka Kansai Intl

Tue 2/17

10:40 am-9:56 pm

2 stops25h 16m

$955

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Tue 2/10

6:59 am-7:25 pm

2 stops22h 26m

Osaka Kansai Intl

Tue 2/17

3:45 pm-10:35 pm

2 stops20h 50m

$959

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Sun 1/18

7:00 am-4:40 pm

1 stop19h 40m

Osaka Kansai Intl

Fri 3/6

6:35 pm-9:45 pm

1 stop17h 10m

$969

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Mon 1/19

7:00 am-4:40 pm

1 stop19h 40m

Osaka Kansai Intl

Thu 3/5

6:35 pm-9:45 pm

1 stop17h 10m

$969

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Wed 1/21

7:00 am-4:40 pm

1 stop19h 40m

Osaka Kansai Intl

Thu 3/5

6:35 pm-9:45 pm

1 stop17h 10m

$969

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Wed 3/4

7:00 am-4:40 pm

1 stop19h 40m

Osaka Kansai Intl

Wed 3/18

8:20 am-10:52 pm

2 stops27h 32m

$971

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Wed 1/21

7:00 am-4:40 pm

1 stop19h 40m

Osaka Kansai Intl

Tue 3/3

8:20 am-8:59 pm

2 stops26h 39m

$971

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Wed 1/21

7:00 am-4:40 pm

1 stop19h 40m

Osaka Kansai Intl

Wed 3/4

6:35 pm-11:59 pm

2 stops19h 24m

$973

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Tue 1/20

7:00 am-4:40 pm

1 stop19h 40m

Osaka Kansai Intl

Wed 3/4

6:35 pm-11:59 pm

2 stops19h 24m

$973

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/26

Showing 1-10 of 13 results

Compare providers for flights from Reagan-National to Kansai Intl

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

Provider	Price Accuracy	Trust Score*
eDreams	Price Accuracy3 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star

*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-Osaka Kansai Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Washington, D.C. Reagan-National Airport-Osaka Kansai Intl Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Washington, D.C. Reagan-National Airport-Osaka Kansai 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-Osaka Kansai Intl 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 Washington, D.C. Reagan-National Airport-Osaka Kansai 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 Kansai Intl

Have a flexible travel schedule? Discover the best time to fly to Kansai 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.

Related info for your journey

How long is the flight from Washington, D.C. Reagan-National Airport to Osaka Kansai Intl Airport?
Air Canada and United Airlines can get you from Washington, D.C. Reagan-National Airport to Osaka Kansai Intl Airport in just under 19h 40m. Your travel time can differ by up to 2h 46m. The distance from Washington, D.C. Reagan-National Airport to Osaka Kansai Intl Airport is about 6964 mi. Both multi-stop and nonstop flights can be found to your destination and back.
Can I find deals for flights from Reagan-National to Kansai Intl that include hotel bookings?
Yes. In addition to deals on Reagan-National to Kansai Intl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Reagan-National to Kansai 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 Kansai Intl.
Can I find deals for business class flights from Reagan-National to Kansai Intl?
Yes. Cheapflights offers flight deals from Reagan-National to Kansai 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.

See more FAQs

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$533+ Cheap flights from Reagan-National (DCA) to Kansai Intl (KIX)

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 3/8. Fares are subject to change and may not be available on all flights or dates of travel.

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

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Reagan-National to Kansai Intl

Cheapest flights from Reagan-National to Kansai IntlExplore the most affordable flight options available from Reagan-National to Kansai Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 28, 2025.

Explore the most affordable flight options available from Reagan-National to Kansai Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 28, 2025.

Find flight deals from Reagan-National to Kansai Intl

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

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

Compare providers for flights from Reagan-National to Kansai 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 Kansai Intl in December.

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

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

Related info for your journey

Find useful and relevant information for your journey from Reagan-National to Kansai 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 Osaka Kansai Intl Airport?

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

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

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

Traveling to a place near Osaka Kansai Intl Airport?

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Alternative routes for Reagan-National to Kansai Intl

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Cheapest flights from Reagan-National to Kansai Intl
Explore the most affordable flight options available from Reagan-National to Kansai Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 28, 2025.