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Washington, D.C.

$442+ Cheap flights from Osaka (OSA) 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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
OSA — WAS
Jul 25 — Aug 11
Sat 7/25
Sat 8/1
1 adult, Economy
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Cheap flight deals from Osaka to Washington, D.C.

Cheapest flights from Osaka to Washington, D.C.
Explore the most affordable flight options available from Osaka to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 25, 2026.

This Delta deal was found by Cheapflights users on 6/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1512:35 pm
KIX
-
BWI
2 stops21h 52m
Delta
Tue 9/297:35 am
BWI
-
KIX
2 stops26h 05m
Delta
Deal found 6/22$979
This Delta deal was found by Cheapflights users on 6/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/412:35 pm
KIX
-
BWI
2 stops23h 54m
Delta
Tue 9/159:45 am
BWI
-
KIX
2 stops23h 55m
Delta
Deal found 6/22$990
This Delta deal was found by Cheapflights users on 6/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/412:35 pm
KIX
-
BWI
2 stops23h 54m
Delta
Fri 9/189:45 am
BWI
-
KIX
2 stops23h 55m
Delta
Deal found 6/22$1,089
This Air Canada deal was found by Cheapflights users on 6/20. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/46:00 pm
KIX
-
DCA
2 stops29h 18m
Air Canada
Tue 8/116:59 am
DCA
-
KIX
1 stop20h 26m
Air Canada
Deal found 6/20$1,133
This Air Canada deal was found by Cheapflights users on 6/22. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/36:00 pm
KIX
-
IAD
2 stops30h 12m
Air Canada
Mon 8/1710:19 pm
IAD
-
KIX
1 stop29h 06m
Air Canada
Deal found 6/22$1,195
This Air Canada deal was found by Cheapflights users on 6/23. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/126:00 pm
KIX
-
IAD
1 stop33h 22m
Air Canada
Tue 8/1810:19 pm
IAD
-
KIX
2 stops29h 06m
Air Canada
Deal found 6/23$1,198
This Air Canada deal was found by Cheapflights users on 6/23. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/126:00 pm
KIX
-
DCA
2 stops29h 18m
Air Canada
Tue 8/188:40 pm
DCA
-
KIX
2 stops30h 45m
Air Canada
Deal found 6/23$1,198
This Air Canada deal was found by Cheapflights users on 6/22. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/106:00 pm
KIX
-
DCA
2 stops55h 00m
Air Canada
Mon 9/144:20 pm
DCA
-
KIX
2 stops59h 05m
Air Canada
Deal found 6/22$1,202
This Air Canada deal was found by Cheapflights users on 6/22. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/36:00 pm
KIX
-
IAD
2 stops26h 43m
Air Canada
Wed 9/168:29 am
IAD
-
KIX
1 stop18h 56m
Air Canada
Deal found 6/22$1,203
This Air Canada deal was found by Cheapflights users on 6/22. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/156:00 pm
KIX
-
DCA
2 stops31h 00m
Air Canada
Sat 10/312:40 pm
DCA
-
KIX
2 stops38h 45m
Air Canada
Deal found 6/22$1,203
This Air Canada deal was found by Cheapflights users on 6/22. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/166:00 pm
KIX
-
IAD
2 stops30h 13m
Air Canada
Wed 9/305:40 pm
IAD
-
KIX
2 stops33h 45m
Air Canada
Deal found 6/22$1,206
This Air Canada deal was found by Cheapflights users on 6/20. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/46:00 pm
KIX
-
IAD
1 stop25h 22m
Air Canada
Tue 8/119:55 am
IAD
-
KIX
1 stop17h 30m
Air Canada
Deal found 6/20$1,207

Find flight deals from Osaka to Washington, D.C.

Discover tips and strategies to find the most affordable flight options for your journey from Osaka (OSA) 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 June 25, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$979
(Delta)

One-way from

$442
(Kiwi.com)
Provider with most accurate pricing for Osaka (OSA)-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Osaka (OSA)-Washington, D.C. (WAS) flights.
Search Deals
From Osaka (OSA) to Washington, D.C. (WAS)
Search Deals
One-way flight from Osaka (OSA) to Washington, D.C. (WAS)
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Osaka 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 June 25, 2026.
Use the filters below to find and compare flights from Osaka to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Tue 8/4

6:00 pm-10:18 am

2 stops29h 18m

Washington, D.C. Reagan-National

Tue 8/11

8:40 pm-4:25 pm

2 stops30h 45m

$1,133

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Tue 8/4

6:00 pm-3:01 pm

2 stops34h 01m

Washington, D.C. Dulles Intl

Tue 8/11

9:55 am-4:25 pm

1 stop17h 30m

$1,198

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Wed 8/12

6:00 pm-10:18 am

2 stops29h 18m

Washington, D.C. Reagan-National

Tue 8/18

8:40 pm-4:25 pm

2 stops30h 45m

$1,198

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Mon 10/12

6:00 pm-7:43 am

2 stops26h 43m

Washington, D.C. Dulles Intl

Sun 10/18

10:10 pm-4:25 pm

2 stops29h 15m

$1,203

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Tue 10/13

6:00 pm-7:43 am

2 stops26h 43m

Washington, D.C. Dulles Intl

Sun 10/18

10:10 pm-4:25 pm

2 stops29h 15m

$1,203

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Sun 10/11

6:00 pm-10:34 pm

1 stop17h 34m

Washington, D.C. Reagan-National

Tue 10/20

6:59 am-4:25 pm

1 stop20h 26m

$1,260

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Wed 8/5

9:20 am-10:31 pm

2 stops26h 11m

Washington, D.C. Reagan-National

Wed 8/12

6:55 pm-4:25 pm

1 stop32h 30m

$1,284

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Thu 9/10

4:55 pm-10:30 pm

1 stop18h 35m

Washington, D.C. Reagan-National

Mon 9/14

5:45 pm-2:50 pm

1 stop32h 05m

$1,297

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Thu 8/20

4:55 pm-12:57 am

1 stop21h 02m

Washington, D.C. Dulles Intl

Mon 8/24

6:42 am-2:50 pm

1 stop19h 08m

$1,300

OsakaWashington, D.C.

ITM - DCA

ITMDCA

Osaka Itami

Tue 8/4

3:00 pm-10:31 pm

2 stops20h 31m

Washington, D.C. Reagan-National

Tue 8/11

6:59 am-7:10 pm

2 stops23h 11m

$1,346

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/22

Showing 1-10 of 60 resultsSorted by cheapest first
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  • Most accurate provider: When it comes to deals on Osaka-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-Washington, D.C. flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Osaka-Washington, D.C. flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Osaka-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-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 Osaka to Washington, D.C.

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

    For as low as $979, Delta can have you in Washington, D.C. from Osaka in 21h 52m. The distance from Osaka to Washington, D.C. is about 6953 mi. This flight may include one or multiple stops.

  • What are the most popular routes from Osaka to Washington, D.C.?

    The most popular flight routes from Osaka to Washington, D.C. are Osaka Kansai Intl - Washington, D.C. Dulles Intl, Osaka Itami - Washington, D.C. Dulles Intl and Osaka Itami - Washington, D.C. Reagan-National.

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

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

  • How can I find direct flights from Osaka 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 Osaka to Washington, D.C..

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

    Yes. Cheapflights offers flight deals from Osaka 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
Arlington
Tysons
Owings Mills
Springfield
Lanham
Reston
Herndon
Rockville
Hyattsville
Falls Church
Laurel
Fredericksburg
Hanover
Manassas
Waldorf
Silver Spring
Largo
Clinton
Hunt Valley

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Osaka 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
Osaka Itami to Dulles Intl flights

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