How long is the flight from Osaka Kansai Intl Airport to Washington, D.C.?

Airlines like Delta, United Airlines, and Air Canada fly from Osaka Kansai Intl Airport to Washington, D.C. in about 20h 50m. The time it takes to get you to your destination can typically vary by up to 6h 07m. Airlines will cover a distance of 6964 mi. This flight may include one or multiple stops.

In terms of precipitation, rainfall in Washington, D.C. 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. when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C., 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 are the most popular routes from Osaka Kansai Intl Airport to Washington, D.C.?

Most travelers choose Osaka Kansai Intl - Washington, D.C. Dulles Intl, Osaka Kansai Intl - Washington, D.C. Reagan-National or Osaka Kansai Intl - Baltimore/Washington when deciding on the best route from Osaka Kansai Intl Airport to Washington, D.C..

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

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

Can I find deals for flights from Kansai Intl to Washington, D.C. that include hotel bookings?

Yes. In addition to deals on Kansai Intl to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Kansai Intl to Washington, D.C.?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kansai Intl to Washington, D.C..

Can I find deals for business class flights from Kansai Intl to Washington, D.C.?

Yes. Cheapflights offers flight deals from Kansai Intl to Washington, D.C. by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$376+ Flights from Osaka Kansai Intl Airport to Washington, D.C.

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Cheap flight deals from Kansai Intl to Washington, D.C.

Cheapest flights from Kansai Intl to Washington, D.C.
Explore the most affordable flight options available from Kansai Intl to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 16, 2025.

Fri 12/198:00 amKIX - IAD

2 stops26h 26mMultiple Airlines

Mon 1/59:00 amIAD - KIX

2 stops21h 35mMultiple Airlines

Deal found 12/14

$1,276

Fri 12/198:00 amKIX - IAD

2 stops26h 26mMultiple Airlines

Sun 1/44:30 pmIAD - KIX

2 stops38h 05mMultiple Airlines

Deal found 12/14

$1,378

Fri 12/195:50 pmKIX - IAD

2 stops20h 14mAmerican Airlines

Mon 1/56:05 amIAD - KIX

2 stops24h 30mAmerican Airlines

Deal found 12/15

$1,448

Fri 12/1910:50 amKIX - IAD

2 stops25h 43mAmerican Airlines

Sun 1/46:05 amIAD - KIX

2 stops24h 30mAmerican Airlines

Deal found 12/15

$1,836

Mon 12/226:35 pmKIX - DCA

2 stops19h 24mUnited Airlines

Fri 1/27:00 amDCA - KIX

1 stop19h 40mUnited Airlines

Deal found 12/14

$1,971

Fri 12/1912:45 pmKIX - IAD

1 stop41h 50mKLM

Mon 1/56:50 pmIAD - KIX

1 stop26h 00mKLM

Deal found 12/15

$2,019

Fri 12/1911:10 pmKIX - IAD

1 stop47h 00mEmirates

Sun 1/410:30 amIAD - KIX

1 stop40h 35mEmirates

Deal found 12/13

$2,036

Mon 12/224:55 pmKIX - DCA

2 stops40h 02mCathay Pacific

Fri 1/29:36 amDCA - KIX

2 stops39h 39mCathay Pacific

Deal found 12/13

$2,058

Mon 12/226:45 amKIX - IAD

1 stop16h 25mANA

Fri 1/211:10 amIAD - KIX

1 stop18h 15mANA

Deal found 12/14

$2,061

Mon 12/226:05 pmKIX - IAD

2 stops42h 28mMultiple Airlines

Fri 1/28:15 amIAD - KIX

2 stops32h 05mMultiple Airlines

Deal found 12/14

$2,107

Best flights from Kansai Intl to Washington, D.C.
Discover carefully curated flight deals from Kansai Intl to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 16, 2025.

Tue 1/2711:55 amKIX - BWI

2 stops25h 31mDelta

Tue 2/36:00 amBWI - KIX

2 stops24h 45mDelta

Deal found 12/13

$855

Thu 1/292:30 pmKIX - IAD

2 stops39h 56mMultiple Airlines

Thu 2/56:04 pmIAD - KIX

2 stops29h 16mMultiple Airlines

Deal found 12/14

$1,061

Wed 1/286:35 pmKIX - BWI

1 stop26h 57mUnited Airlines

Wed 2/410:05 amBWI - KIX

2 stops40h 35mUnited Airlines

Deal found 12/14

$1,066

Tue 1/273:45 pmKIX - DCA

2 stops20h 50mAir Canada

Tue 2/36:59 amDCA - KIX

2 stops22h 26mAir Canada

Deal found 12/13

$1,086

Wed 1/2110:50 amKIX - BWI

2 stops26h 20mAmerican Airlines

Sun 1/253:41 pmBWI - KIX

2 stops38h 54mAmerican Airlines

Deal found 12/13

$1,165

Wed 1/2812:45 pmKIX - IAD

1 stop41h 50mKLM

Wed 2/46:50 pmIAD - KIX

1 stop26h 00mKLM

Deal found 12/14

$1,461

Thu 1/294:15 pmKIX - DCA

3 stops31h 48mCathay Pacific

Thu 2/59:35 amDCA - KIX

2 stops39h 40mCathay Pacific

Deal found 12/14

$1,625

Thu 1/299:00 amKIX - BWI

2 stops28h 26mDelta

Thu 2/57:00 amBWI - KIX

2 stops23h 45mDelta

Deal found 12/14

$855

Wed 1/289:00 amKIX - BWI

2 stops27h 02mDelta

Wed 2/46:00 amBWI - KIX

2 stops24h 45mDelta

Deal found 12/14

$855

Wed 1/2810:50 amKIX - DCA

2 stops22h 55mMultiple Airlines

Wed 2/49:40 amDCA - KIX

2 stops22h 10mMultiple Airlines

Deal found 12/13

$1,104

Thu 1/223:45 pmKIX - IAD

2 stops38h 01mAir Canada

Mon 1/269:00 amIAD - KIX

2 stops20h 25mAir Canada

Deal found 12/13

$1,147

Thu 1/293:45 pmKIX - DCA

2 stops20h 50mMultiple Airlines

Thu 2/59:40 amDCA - KIX

2 stops19h 45mMultiple Airlines

Deal found 12/14

$1,107

Thu 1/223:45 pmKIX - DCA

2 stops40h 20mAir Canada

Mon 1/266:59 amDCA - KIX

2 stops22h 26mAir Canada

Deal found 12/13

$1,147

Wed 1/216:35 pmKIX - BWI

1 stop26h 57mUnited Airlines

Sun 1/255:18 pmBWI - KIX

2 stops57h 22mUnited Airlines

Deal found 12/12

$1,265

Wed 1/286:10 pmKIX - IAD

2 stops36h 16mMultiple Airlines

Wed 2/46:04 pmIAD - KIX

2 stops32h 51mMultiple Airlines

Deal found 12/14

$1,121

Wed 1/283:45 pmKIX - DCA

2 stops20h 50mAir Canada

Wed 2/49:40 amDCA - KIX

2 stops19h 45mAir Canada

Deal found 12/14

$1,151

Tue 1/271:00 pmKIX - BWI

2 stops41h 38mKLM

Tue 2/36:59 pmBWI - KIX

2 stops26h 21mKLM

Deal found 12/13

$1,495

Tue 1/277:50 amKIX - DCA

2 stops28h 08mMultiple Airlines

Tue 2/36:00 amDCA - KIX

3 stops25h 40mMultiple Airlines

Deal found 12/13

$1,222

Fri 3/66:35 pmKIX - BWI

1 stop26h 44mUnited Airlines

Sat 6/66:31 pmBWI - KIX

1 stop31h 19mUnited Airlines

Deal found 12/15

$1,529

Fri 3/612:55 pmKIX - BWI

2 stops42h 51mMultiple Airlines

Sat 6/67:05 pmBWI - KIX

2 stops28h 05mMultiple Airlines

Deal found 12/15

$1,244

Thu 1/226:35 pmKIX - IAD

2 stops24h 46mUnited Airlines

Mon 1/262:10 pmIAD - KIX

1 stop36h 30mUnited Airlines

Deal found 12/13

$1,715

Last-minute flights from Kansai Intl to Washington, D.C.
Discover last-minute flight deals from Kansai Intl to Washington, D.C.. Data last updated December 16, 2025 and is based on user searches.

Thu 1/223:45 pmKIX - IAD

2 stops38h 01mAir Canada

Mon 1/269:00 amIAD - KIX

2 stops20h 25mAir Canada

Deal found 12/14

$1,147

Thu 1/223:45 pmKIX - DCA

2 stops31h 10mAir Canada

Mon 1/266:59 amDCA - KIX

2 stops22h 26mAir Canada

Deal found 12/14

$1,147

Tue 1/2711:55 amKIX - BWI

2 stops26h 46mDelta

Tue 2/36:05 amBWI - KIX

2 stops24h 40mDelta

Deal found 12/13

$855

Tue 1/278:45 pmKIX - IAD

2 stops33h 41mMultiple Airlines

Tue 2/35:26 pmIAD - KIX

3 stops35h 19mMultiple Airlines

Deal found 12/13

$872

Tue 1/278:45 pmKIX - DCA

2 stops33h 24mMultiple Airlines

Tue 2/39:59 amDCA - KIX

2 stops42h 46mMultiple Airlines

Deal found 12/13

$908

Tue 1/273:45 pmKIX - IAD

2 stops18h 41mAir Canada

Tue 2/39:00 amIAD - KIX

2 stops20h 25mAir Canada

Deal found 12/13

$1,081

Tue 1/273:45 pmKIX - DCA

2 stops20h 50mAir Canada

Tue 2/39:40 amDCA - KIX

2 stops19h 45mAir Canada

Deal found 12/13

$1,081

Wed 1/286:35 pmKIX - BWI

1 stop26h 57mUnited Airlines

Wed 2/410:05 amBWI - KIX

2 stops40h 35mUnited Airlines

Deal found 12/14

$1,066

Wed 1/2810:50 amKIX - DCA

2 stops22h 55mMultiple Airlines

Wed 2/49:40 amDCA - KIX

2 stops22h 10mMultiple Airlines

Deal found 12/13

$1,104

Wed 1/286:10 pmKIX - IAD

2 stops36h 16mMultiple Airlines

Wed 2/46:04 pmIAD - KIX

2 stops32h 51mMultiple Airlines

Deal found 12/14

$1,121

Thu 1/292:30 pmKIX - IAD

2 stops39h 56mMultiple Airlines

Thu 2/56:04 pmIAD - KIX

2 stops29h 16mMultiple Airlines

Deal found 12/14

$1,061

Thu 1/293:45 pmKIX - DCA

2 stops20h 50mMultiple Airlines

Thu 2/59:40 amDCA - KIX

2 stops19h 45mMultiple Airlines

Deal found 12/14

$1,107

One-way flights from Kansai Intl to Washington, D.C.
Search for one-way flight options from Kansai Intl to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated December 16, 2025.

Wed 1/288:00 amKIX - BWI

3 stops40h 27mMultiple Airlines

Deal found 12/14

$376

Wed 1/288:00 amKIX - DCA

3 stops43h 02mMultiple Airlines

Deal found 12/14

$379

Wed 1/288:00 amKIX - IAD

3 stops46h 28mMultiple Airlines

Deal found 12/14

$440

Mon 5/117:40 amKIX - IAD

3 stops45h 57mMultiple Airlines

Deal found 12/13

$534

Tue 5/121:10 pmKIX - IAD

2 stops29h 39mMultiple Airlines

Deal found 12/13

$619

Sun 5/1011:00 amKIX - IAD

3 stops42h 37mMultiple Airlines

Deal found 12/13

$642

Mon 5/111:25 pmKIX - IAD

2 stops29h 24mSTARLUX Airlines

Deal found 12/13

$646

Tue 5/261:10 pmKIX - IAD

2 stops31h 26mMultiple Airlines

Deal found 12/13

$648

Sat 5/97:40 amKIX - IAD

3 stops35h 09mMultiple Airlines

Deal found 12/13

$658

Sun 3/157:55 pmKIX - IAD

3 stops58h 32mMultiple Airlines

Deal found 12/13

$662

Tue 5/121:10 pmKIX - DCA

2 stops43h 50mEVA Air

Deal found 12/13

$663

Wed 1/286:35 pmKIX - BWI

1 stop36h 51mUnited Airlines

Deal found 12/14

$687

Find flight deals from Kansai Intl to Washington, D.C.

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$855 (Delta)
One-way from	$376 (Kiwi.com)

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From Osaka Kansai Intl to Washington, D.C. (WAS)

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One-way flight from Osaka Kansai Intl to Washington, D.C. (WAS)

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Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

OsakaBaltimore

KIX - BWI

KIXBWI

Osaka Kansai Intl

Tue 1/27

11:55 am-11:26 pm

2 stops25h 31m

Baltimore/Washington

Tue 2/3

6:00 am-8:45 pm

2 stops24h 45m

$855

OsakaBaltimore

KIX - BWI

KIXBWI

Osaka Kansai Intl

Thu 1/29

9:00 am-11:26 pm

2 stops28h 26m

Baltimore/Washington

Thu 2/5

7:00 am-8:45 pm

2 stops23h 45m

$855

OsakaBaltimore

KIX - BWI

KIXBWI

Osaka Kansai Intl

Wed 1/28

9:00 am-10:02 pm

2 stops27h 02m

Baltimore/Washington

Wed 2/4

6:00 am-8:45 pm

2 stops24h 45m

$855

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Thu 1/29

2:30 pm-4:26 pm

2 stops39h 56m

Washington, D.C. Dulles Intl

Thu 2/5

6:04 pm-1:20 pm

2 stops29h 16m

$1,061

OsakaBaltimore

KIX - BWI

KIXBWI

Osaka Kansai Intl

Wed 1/28

6:35 pm-7:32 am

1 stop26h 57m

Baltimore/Washington

Wed 2/4

10:05 am-4:40 pm

2 stops40h 35m

$1,066

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Tue 1/27

3:45 pm-10:35 pm

2 stops20h 50m

Washington, D.C. Reagan-National

Tue 2/3

6:59 am-7:25 pm

2 stops22h 26m

$1,086

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Wed 1/28

10:50 am-7:45 pm

2 stops22h 55m

Washington, D.C. Reagan-National

Wed 2/4

9:40 am-9:50 pm

2 stops22h 10m

$1,104

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Thu 1/29

3:45 pm-10:35 pm

2 stops20h 50m

Washington, D.C. Reagan-National

Thu 2/5

9:40 am-7:25 pm

2 stops19h 45m

$1,107

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Wed 1/28

6:10 pm-4:26 pm

2 stops36h 16m

Washington, D.C. Dulles Intl

Wed 2/4

6:04 pm-4:55 pm

2 stops32h 51m

$1,121

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Thu 1/22

3:45 pm-3:46 pm

2 stops38h 01m

Washington, D.C. Dulles Intl

Mon 1/26

9:00 am-7:25 pm

2 stops20h 25m

$1,147

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/14

Showing 1-10 of 48 results

...

Best time to book a flight from Kansai Intl to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. 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.

Cheapflights Insights

Everything you need to know about your flight from Osaka Kansai Intl Airport to Washington, D.C.

No data available for this route at this time. Please check back soon.

Related info for your journey

How long is the flight from Osaka Kansai Intl Airport to Washington, D.C.?
Airlines like Delta, United Airlines, and Air Canada fly from Osaka Kansai Intl Airport to Washington, D.C. in about 20h 50m. The time it takes to get you to your destination can typically vary by up to 6h 07m. Airlines will cover a distance of 6964 mi. This flight may include one or multiple stops.
What are the most popular routes from Osaka Kansai Intl Airport to Washington, D.C.?
Most travelers choose Osaka Kansai Intl - Washington, D.C. Dulles Intl, Osaka Kansai Intl - Washington, D.C. Reagan-National or Osaka Kansai Intl - Baltimore/Washington when deciding on the best route from Osaka Kansai Intl Airport to Washington, D.C..
Can I find deals for flights from Kansai Intl to Washington, D.C. that include hotel bookings?
Yes. In addition to deals on Kansai Intl to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Kansai Intl to Washington, D.C.?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kansai Intl to Washington, D.C..
Can I find deals for business class flights from Kansai Intl to Washington, D.C.?
Yes. Cheapflights offers flight deals from Kansai Intl to Washington, D.C. 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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$376+ Cheap flights from Kansai Intl (KIX) to Washington, D.C. (WAS)

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 1/28. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Kansai Intl to Washington, D.C. with Cheapflights

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Cheap flight deals from Kansai Intl to Washington, D.C.

Cheapest flights from Kansai Intl to Washington, D.C.Explore the most affordable flight options available from Kansai Intl to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 16, 2025.

Explore the most affordable flight options available from Kansai Intl to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 16, 2025.

Find flight deals from Kansai Intl to Washington, D.C.

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

Best time to book a flight from Kansai Intl to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Kansai Intl with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Osaka Kansai Intl Airport to Washington, D.C.

Related info for your journey

Find useful and relevant information for your journey from Kansai Intl to Washington, D.C.. 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.?

What are the most popular routes from Osaka Kansai Intl Airport to Washington, D.C.?

Can I find deals for flights from Kansai Intl to Washington, D.C. that include hotel bookings?

How can I find direct flights from Kansai Intl to Washington, D.C.?

Can I find deals for business class flights from Kansai Intl to Washington, D.C.?

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Cheapest flights from Kansai Intl to Washington, D.C.
Explore the most affordable flight options available from Kansai Intl to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 16, 2025.