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Washington, D.C.

$427+ 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 3/17. Fares are subject to change and may not be available on all flights or dates of travel.
KIX — WAS
Mar 16 — Mar 231
Mon 3/16
Mon 3/23
1 adult, Economy
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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 February 14, 2026.

This Gotogate deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/166:00 pm
KIX
-
DCA
2 stops29h 19m
Multiple Airlines
Fri 5/299:40 am
DCA
-
KIX
2 stops22h 20m
Multiple Airlines
Deal found 2/11$963
This Gotogate deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/166:00 pm
KIX
-
DCA
2 stops31h 01m
Multiple Airlines
Sat 5/306:59 am
DCA
-
KIX
2 stops25h 01m
Multiple Airlines
Deal found 2/11$966
This Gotogate deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/157:35 am
KIX
-
DCA
2 stops27h 20m
Multiple Airlines
Fri 5/296:00 am
DCA
-
KIX
2 stops26h 00m
Multiple Airlines
Deal found 2/11$968
This Gotogate deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/116:00 pm
KIX
-
DCA
2 stops31h 00m
Multiple Airlines
Fri 8/74:20 pm
DCA
-
KIX
2 stops51h 55m
Multiple Airlines
Deal found 2/10$970
This Gotogate deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/116:00 pm
KIX
-
DCA
2 stops31h 00m
Air Canada
Fri 8/76:55 pm
DCA
-
KIX
1 stop32h 30m
Air Canada
Deal found 2/10$983
This FlightHub deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/166:00 pm
KIX
-
IAD
2 stops30h 50m
Air Canada
Sat 5/305:16 pm
IAD
-
KIX
2 stops34h 09m
Air Canada
Deal found 2/11$996
This Gotogate deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/116:00 pm
KIX
-
IAD
2 stops34h 29m
Air Canada
Fri 8/74:25 pm
IAD
-
KIX
1 stop35h 00m
Air Canada
Deal found 2/10$997
This Air China deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air China is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/239:05 am
KIX
-
IAD
1 stop23h 25m
Air China
Tue 10/2711:00 pm
IAD
-
KIX
1 stop28h 00m
Air China
Deal found 2/10$1,087
This SmartFares deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/161:10 pm
KIX
-
IAD
2 stops31h 24m
Multiple Airlines
Sat 5/306:00 am
IAD
-
KIX
2 stops41h 10m
Multiple Airlines
Deal found 2/11$1,102
This SmartFares deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/1611:10 am
KIX
-
IAD
2 stops33h 24m
Multiple Airlines
Fri 5/295:33 pm
IAD
-
KIX
2 stops29h 37m
Multiple Airlines
Deal found 2/11$1,121
This Trip.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/116:15 pm
KIX
-
IAD
1 stop29h 35m
Multiple Airlines
Fri 8/71:20 pm
IAD
-
KIX
1 stop20h 20m
Multiple Airlines
Deal found 2/10$1,173
This Trip.com deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/309:30 am
KIX
-
IAD
2 stops33h 10m
Multiple Airlines
Mon 4/67:11 pm
IAD
-
KIX
2 stops37h 24m
Multiple Airlines
Deal found 2/13$1,207

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

Discover tips and strategies to find the most affordable flight options for your journey from Kansai Intl (KIX) to Washington, D.C. (WAS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 14, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$963
(Gotogate)

One-way from

$422
(Kiwi.com)
Provider with most accurate pricing for Osaka Kansai Intl-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Osaka Kansai Intl-Washington, D.C. (WAS) flights.
Search Deals
From Osaka Kansai Intl to Washington, D.C. (WAS)
Search Deals
One-way flight from Osaka Kansai Intl to Washington, D.C. (WAS)
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Kansai Intl to Washington, D.C. that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 14, 2026.
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

Kansai Intl

Fly to

Washington, D.C.

Route

Depart

Return

Price

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Sat 5/16

6:00 pm-10:19 am

2 stops29h 19m

Washington, D.C. Reagan-National

Fri 5/29

9:40 am-9:00 pm

2 stops22h 20m

$963

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Sat 5/16

6:00 pm-12:01 pm

2 stops31h 01m

Washington, D.C. Reagan-National

Sat 5/30

6:59 am-9:00 pm

2 stops25h 01m

$966

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Fri 5/15

7:35 am-9:55 pm

2 stops27h 20m

Washington, D.C. Reagan-National

Fri 5/29

6:00 am-9:00 pm

2 stops26h 00m

$968

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Sat 7/11

6:00 pm-12:00 pm

2 stops31h 00m

Washington, D.C. Reagan-National

Fri 8/7

4:20 pm-9:15 am

2 stops51h 55m

$970

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Sat 7/11

6:00 pm-12:00 pm

2 stops31h 00m

Washington, D.C. Reagan-National

Fri 8/7

6:55 pm-4:25 pm

1 stop32h 30m

$983

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Sat 5/16

6:00 pm-11:50 am

2 stops30h 50m

Washington, D.C. Dulles Intl

Sat 5/30

5:16 pm-4:25 pm

2 stops34h 09m

$996

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Sat 7/11

6:00 pm-3:29 pm

2 stops34h 29m

Washington, D.C. Dulles Intl

Fri 8/7

4:25 pm-4:25 pm

1 stop35h 00m

$997

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Sat 5/16

1:10 pm-7:34 am

2 stops31h 24m

Washington, D.C. Dulles Intl

Sat 5/30

6:00 am-12:10 pm

2 stops41h 10m

$1,102

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Sat 7/11

6:15 pm-10:50 am

1 stop29h 35m

Washington, D.C. Dulles Intl

Fri 8/7

1:20 pm-10:40 pm

1 stop20h 20m

$1,173

OsakaBaltimore

KIX - BWI

KIXBWI

Osaka Kansai Intl

Sat 7/11

11:10 am-6:25 am

2 stops32h 15m

Baltimore/Washington

Fri 8/7

7:35 pm-12:10 pm

2 stops27h 35m

$1,288

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/11

Showing 1-10 of 44 results
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  • Most accurate provider: When it comes to deals on Osaka Kansai Intl Airport-Washington, D.C. flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Osaka Kansai Intl Airport-Washington, D.C. flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Osaka Kansai Intl Airport-Washington, D.C. 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. flights, Cheapflights users trust FlightHub the most. FlightHub 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. 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 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

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.?

    Airlines like Air Canada fly from Osaka Kansai Intl Airport to Washington, D.C. in about 31h. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 6964 mi.

  • 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.

See more FAQs

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
Woodbridge
Tysons
Arlington
Owings Mills
Springfield
Silver Spring
Herndon
Fredericksburg
Hanover
Laurel
Linthicum Heights
Rockville
Upper Marlboro
Manassas
Bowie
Largo
McLean
Clinton
Towson

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Alternative routes for Kansai Intl to Washington, D.C.

See prices for flight routes from nearby airports that may be better suited for you.
Kansai Intl to Dulles Intl flights
Kansai Intl to Reagan-National flights
Osaka Itami to Dulles Intl flights

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