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Dulles Intl

$595+ Cheap flights from Osaka (OSA) to Dulles Intl (IAD)

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 9/11. Fares are subject to change and may not be available on all flights or dates of travel.
OSA — IAD
Sep 9 — Sep 161
Wed 9/9
Wed 9/16
1 adult, Economy
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Cheap flight deals from Osaka to Dulles Intl

Cheapest flights from Osaka to Dulles Intl
Explore the most affordable flight options available from Osaka to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 10, 2026.

This Trip.com deal was found by Cheapflights users on 8/5. 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.
Fri 9/1811:45 am -
2 stops45h 40m
Thu 9/249:45 am -
2 stops24h 00m
Deal found 8/5$1,018
This Gotogate deal was found by Cheapflights users on 8/9. 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 10/26:00 pm -
1 stop34h 25m
Thu 10/159:55 am -
1 stop17h 30m
Deal found 8/9$1,170
This Air Canada deal was found by Cheapflights users on 8/9. 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 9/96:00 pm -
1 stop16h 24m
Sun 9/208:15 am -
2 stops43h 10m
Deal found 8/9$1,201
This Air Canada deal was found by Cheapflights users on 8/5. 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.
Fri 9/116:00 pm -
2 stops35h 35m
Mon 9/148:29 am -
1 stop18h 56m
Deal found 8/5$1,204
This Trip.com deal was found by Cheapflights users on 8/7. 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.
Fri 11/1311:45 am -
2 stops42h 00m
Wed 11/184:30 pm -
3 stops40h 15m
Deal found 8/7$1,231
This Air Canada deal was found by Cheapflights users on 8/7. 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 9/16:00 pm -
2 stops40h 18m
Wed 9/168:29 am -
1 stop18h 56m
Deal found 8/7$1,234
This Air Canada deal was found by Cheapflights users on 8/8. 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 9/16:00 pm -
2 stops33h 55m
Tue 9/1512:35 pm -
2 stops38h 50m
Deal found 8/8$1,237
This Expedia deal was found by Cheapflights users on 8/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/177:55 pm -
1 stop27h 55m
Mon 9/281:15 am -
1 stop27h 00m
Deal found 8/7$1,239
This Air Canada deal was found by Cheapflights users on 8/7. 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 9/16:00 pm -
1 stop25h 30m
Thu 9/179:55 am -
1 stop17h 30m
Deal found 8/7$1,242
This Air Canada deal was found by Cheapflights users on 8/7. 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 -
2 stops26h 43m
Sat 9/1912:35 pm -
2 stops38h 50m
Deal found 8/7$1,243
This Bravofly deal was found by Cheapflights users on 8/7. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/217:30 am -
1 stop15h 35m
Mon 9/2812:15 pm -
1 stop16h 55m
Deal found 8/7$1,396
This Gotogate deal was found by Cheapflights users on 8/5. 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.
Mon 11/162:00 pm -
2 stops20h 10m
Tue 12/19:55 am -
2 stops20h 10m
Deal found 8/5$1,403

Find flight deals from Osaka to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Osaka (OSA) to Dulles Intl (IAD). 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 August 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,018
(Trip.com)

One-way from

$595
(Kiwi.com)
Provider with most accurate pricing for Osaka (OSA)-Washington, D.C. Dulles Intl flight deals.
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Provider most trusted by Cheapflights users for Osaka (OSA)-Washington, D.C. Dulles Intl flights.
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From Osaka (OSA) to Washington, D.C. Dulles Intl
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One-way flight from Osaka (OSA) to Washington, D.C. Dulles Intl
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Osaka to Dulles Intl 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 August 10, 2026.
Use the filters below to find and compare flights from Osaka to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OsakaWashington, D.C.

KIX Osaka Kansai Intl - IAD Washington, D.C. Dulles Intl

KIXIAD

Osaka Kansai Intl

Fri 9/18

11:45 am-8:25 pm

2 stops45h 40m

Washington, D.C. Dulles Intl

Thu 9/24

9:45 am-10:45 pm

2 stops24h 00m

$1,018

OsakaWashington, D.C.

KIX Osaka Kansai Intl - IAD Washington, D.C. Dulles Intl

KIXIAD

Osaka Kansai Intl

Wed 9/16

6:00 pm-7:43 am

2 stops26h 43m

Washington, D.C. Dulles Intl

Sat 9/19

12:35 pm-4:25 pm

2 stops38h 50m

$1,245

OsakaWashington, D.C.

KIX Osaka Kansai Intl - IAD Washington, D.C. Dulles Intl

KIXIAD

Osaka Kansai Intl

Sun 9/20

6:00 pm-8:25 pm

1 stop15h 25m

Washington, D.C. Dulles Intl

Sun 9/27

4:00 pm-4:25 pm

2 stops35h 25m

$1,254

OsakaWashington, D.C.

KIX Osaka Kansai Intl - IAD Washington, D.C. Dulles Intl

KIXIAD

Osaka Kansai Intl

Fri 9/18

6:00 pm-8:25 pm

1 stop15h 25m

Washington, D.C. Dulles Intl

Thu 9/24

9:55 am-4:25 pm

1 stop17h 30m

$1,346

OsakaWashington, D.C.

KIX Osaka Kansai Intl - IAD Washington, D.C. Dulles Intl

KIXIAD

Osaka Kansai Intl

Thu 9/3

4:55 pm-10:19 pm

1 stop18h 24m

Washington, D.C. Dulles Intl

Fri 9/18

6:42 am-2:50 pm

1 stop19h 08m

$1,395

OsakaWashington, D.C.

KIX Osaka Kansai Intl - IAD Washington, D.C. Dulles Intl

KIXIAD

Osaka Kansai Intl

Sat 9/5

4:55 pm-10:19 pm

1 stop18h 24m

Washington, D.C. Dulles Intl

Tue 9/15

6:00 pm-2:50 pm

1 stop31h 50m

$1,395

OsakaWashington, D.C.

KIX Osaka Kansai Intl - IAD Washington, D.C. Dulles Intl

KIXIAD

Osaka Kansai Intl

Wed 9/2

4:55 pm-5:55 am

1 stop26h 00m

Washington, D.C. Dulles Intl

Thu 9/17

6:42 am-2:50 pm

1 stop19h 08m

$1,395

OsakaWashington, D.C.

KIX Osaka Kansai Intl - IAD Washington, D.C. Dulles Intl

KIXIAD

Osaka Kansai Intl

Sat 9/5

4:55 pm-9:22 pm

1 stop17h 27m

Washington, D.C. Dulles Intl

Sat 9/19

10:10 pm-2:50 pm

1 stop27h 40m

$1,395

OsakaWashington, D.C.

KIX Osaka Kansai Intl - IAD Washington, D.C. Dulles Intl

KIXIAD

Osaka Kansai Intl

Thu 10/15

9:20 am-3:35 pm

1 stop19h 15m

Washington, D.C. Dulles Intl

Wed 10/28

6:15 am-4:45 pm

1 stop21h 30m

$1,400

OsakaWashington, D.C.

KIX Osaka Kansai Intl - IAD Washington, D.C. Dulles Intl

KIXIAD

Osaka Kansai Intl

Wed 9/2

4:55 pm-10:19 pm

1 stop18h 24m

Washington, D.C. Dulles Intl

Wed 9/16

6:42 am-2:50 pm

1 stop19h 08m

$1,404

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/10

Showing 1-10 of 36 resultsSorted by cheapest first
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  • Most accurate provider: When it comes to deals on Osaka-Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Osaka-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Osaka-Washington, D.C. Dulles Intl Airport 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. Dulles 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 Osaka to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl 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. Dulles Intl Airport

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 Dulles 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 Osaka to Washington, D.C. Dulles Intl Airport?

    Departing from Osaka to Washington, D.C. Dulles Intl Airport will take you 15h 35m. There are 6921 mi between Osaka and Washington, D.C. Dulles Intl Airport. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from Osaka to Dulles Intl that include hotel bookings?

    Yes. In addition to deals on Osaka to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Osaka to Dulles Intl?

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

  • Can I find deals for business class flights from Osaka to Dulles Intl?

    Yes. Cheapflights offers flight deals from Osaka to Dulles 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

Traveling to a place near Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Alexandria
Owings Mills
Arlington
Tysons
Springfield
Lanham
Reston
Herndon
Rockville
Chantilly
Hyattsville
Fredericksburg
Falls Church
Hanover
Laurel
Sterling
Oxon Hill
Clinton
Hunt Valley
Woodbridge

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Alternative routes for Osaka to Dulles Intl

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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