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Dulles Intl

$540+ 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 11/2. Fares are subject to change and may not be available on all flights or dates of travel.
OSA — IAD
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap 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 September 15, 2025.

Round-trip from

$1,079
(Air Canada)

One-way from

$540
(Kiwi.com)
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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Find 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 September 15, 2025.

This Air Canada deal was found by Cheapflights users on 9/15. 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 9/226:05 pmKIX - IAD
1 stop25h 26mAir Canada
Mon 9/295:45 pmIAD - KIX
2 stops33h 40mAir Canada
Deal found 9/15$946
This Air Canada deal was found by Cheapflights users on 9/13. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/166:05 pmKIX - IAD
2 stops28h 33mAir Canada
Sat 10/185:22 pmIAD - KIX
2 stops34h 03mAir Canada
Deal found 9/13$1,079
This Trip.com deal was found by Cheapflights users on 9/12. 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.
Tue 10/2810:50 amKIX - IAD
2 stops32h 33mMultiple Airlines
Tue 11/46:13 pmIAD - KIX
2 stops25h 27mMultiple Airlines
Deal found 9/12$1,141
This Gurufare deal was found by Cheapflights users on 9/14. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2010:55 amKIX - IAD
2 stops33h 18mMultiple Airlines
Thu 1/156:55 pmIAD - KIX
2 stops32h 00mMultiple Airlines
Deal found 9/14$1,159
This Gotogate deal was found by Cheapflights users on 9/12. 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.
Tue 10/289:00 amKIX - IAD
1 stop23h 30mAir China
Tue 11/410:00 pmIAD - KIX
1 stop24h 40mAir China
Deal found 9/12$1,183
This Trip.com deal was found by Cheapflights users on 9/15. 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.
Thu 10/306:10 pmKIX - IAD
2 stops25h 13mMultiple Airlines
Thu 11/66:13 pmIAD - KIX
2 stops27h 42mMultiple Airlines
Deal found 9/15$1,210
This Priceline deal was found by Cheapflights users on 9/13. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/282:05 pmITM - IAD
2 stops34h 18mMultiple Airlines
Tue 11/47:43 amIAD - ITM
2 stops22h 07mMultiple Airlines
Deal found 9/13$1,365
This Air Canada deal was found by Cheapflights users on 9/12. 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 10/163:00 pmITM - IAD
2 stops36h 25mAir Canada
Mon 10/203:36 pmIAD - ITM
2 stops39h 39mAir Canada
Deal found 9/12$1,534
This Booking.com deal was found by Cheapflights users on 9/14. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/202:00 pmITM - IAD
2 stops20h 59mMultiple Airlines
Thu 1/159:00 amIAD - ITM
2 stops20h 55mMultiple Airlines
Deal found 9/14$1,553
This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/191:00 pmITM - IAD
1 stop16h 40mUnited Airlines
Mon 1/56:00 amIAD - ITM
2 stops22h 10mUnited Airlines
Deal found 9/15$1,569
This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/191:00 pmITM - IAD
1 stop16h 40mUnited Airlines
Sun 1/46:00 amIAD - ITM
2 stops22h 10mUnited Airlines
Deal found 9/15$1,664

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 September 15, 2025.
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

Osaka

Fly to

Dulles Intl

Route

Depart

Return

Price

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Tue 10/28

10:50 am-6:23 am

2 stops32h 33m

Washington, D.C. Dulles Intl

Tue 11/4

6:13 pm-9:40 am

2 stops25h 27m

$1,141

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Tue 10/28

9:00 am-7:30 pm

1 stop23h 30m

Washington, D.C. Dulles Intl

Tue 11/4

10:00 pm-12:40 pm

1 stop24h 40m

$1,183

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Thu 10/30

6:10 pm-6:23 am

2 stops25h 13m

Washington, D.C. Dulles Intl

Thu 11/6

6:13 pm-11:55 am

2 stops27h 42m

$1,210

OsakaWashington, D.C.

ITM - IAD

ITMIAD

Osaka Itami

Tue 10/28

2:05 pm-11:16 am

2 stops34h 11m

Washington, D.C. Dulles Intl

Tue 11/4

12:20 pm-8:20 pm

1 stop18h 00m

$1,407

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Sat 12/20

12:55 pm-6:13 am

2 stops31h 18m

Washington, D.C. Dulles Intl

Thu 1/15

11:05 am-2:45 pm

1 stop37h 40m

$1,428

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Sat 12/20

8:45 pm-5:43 pm

2 stops34h 58m

Washington, D.C. Dulles Intl

Thu 1/15

5:51 pm-6:45 pm

3 stops34h 54m

$1,495

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Fri 12/19

6:35 pm-5:19 am

2 stops24h 44m

Washington, D.C. Dulles Intl

Sun 1/4

6:30 am-4:40 pm

1 stop20h 10m

$1,549

OsakaWashington, D.C.

ITM - IAD

ITMIAD

Osaka Itami

Sat 12/20

2:00 pm-8:59 pm

2 stops20h 59m

Washington, D.C. Dulles Intl

Thu 1/15

9:00 am-7:55 pm

2 stops20h 55m

$1,553

OsakaWashington, D.C.

ITM - IAD

ITMIAD

Osaka Itami

Fri 12/19

1:00 pm-3:40 pm

1 stop16h 40m

Washington, D.C. Dulles Intl

Mon 1/5

6:00 am-6:10 pm

2 stops22h 10m

$1,569

OsakaWashington, D.C.

ITM - IAD

ITMIAD

Osaka Itami

Thu 10/16

3:00 pm-2:25 pm

2 stops36h 25m

Washington, D.C. Dulles Intl

Mon 10/20

10:20 am-7:10 pm

2 stops19h 50m

$1,585

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 26 results
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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 16h 40m. 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.

  • What is the cheapest month to book a flight from Osaka to Washington, D.C. Dulles Intl Airport?

    Currently, August is the cheapest month in which you can book a flight from Osaka to Washington, D.C. Dulles Intl Airport (average of $292). Flying from Osaka to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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
Woodbridge
Arlington
Alexandria
Tysons
Silver Spring
Springfield
Gaithersburg
Fredericksburg
Linthicum Heights
Fairfax
Falls Church
Owings Mills
Manassas
Rockville
Hanover
Oxon Hill
Laurel
Towson
National Harbor
Dundalk

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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
Itami to Dulles Intl flights
Kansai Intl to Baltimore flights
Kansai Intl to Reagan-National flights
Itami to Baltimore flights

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