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Dulles Intl

$465+ 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 1/15. Fares are subject to change and may not be available on all flights or dates of travel.
OSA — IAD
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
1 adult, Economy
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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 November 3, 2025.

This Expedia deal was found by Cheapflights users on 11/1. 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.
Wed 12/2412:55 pmKIX - IAD
2 stops31h 18mMultiple Airlines
Tue 12/306:43 pmIAD - KIX
2 stops25h 12mMultiple Airlines
Deal found 11/1$1,244
This Trip.com deal was found by Cheapflights users on 11/1. 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 12/169:00 amKIX - IAD
1 stop23h 30mAir China
Tue 12/2310:00 pmIAD - KIX
1 stop32h 10mAir China
Deal found 11/1$1,312
This Air China deal was found by Cheapflights users on 11/2. 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.
Mon 12/221:50 pmKIX - IAD
1 stop42h 40mAir China
Fri 1/210:00 pmIAD - KIX
1 stop24h 40mAir China
Deal found 11/2$1,396
This American Airlines deal was found by Cheapflights users on 11/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1910:50 amKIX - IAD
2 stops25h 43mAmerican Airlines
Sun 1/44:29 pmIAD - KIX
2 stops36h 21mAmerican Airlines
Deal found 11/2$1,445
This American Airlines deal was found by Cheapflights users on 11/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/195:50 pmKIX - IAD
2 stops28h 52mAmerican Airlines
Mon 1/56:05 amIAD - KIX
2 stops24h 30mAmerican Airlines
Deal found 11/1$1,447
This Flighttix deal was found by Cheapflights users on 11/1. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/167:00 pmKIX - IAD
2 stops35h 36mMultiple Airlines
Tue 12/236:43 pmIAD - KIX
2 stops26h 52mMultiple Airlines
Deal found 11/1$1,480
This lol.travel deal was found by Cheapflights users on 11/1. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/243:00 pmITM - IAD
2 stops19h 26mAir Canada
Tue 12/309:00 amIAD - ITM
2 stops20h 10mAir Canada
Deal found 11/1$1,541
This lol.travel deal was found by Cheapflights users on 11/1. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/248:00 amITM - IAD
1 stop15h 10mANA
Tue 12/3011:10 amIAD - ITM
1 stop17h 00mANA
Deal found 11/1$1,562
This KLM deal was found by Cheapflights users on 11/1. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2412:45 pmKIX - IAD
1 stop41h 50mKLM
Tue 12/306:05 pmIAD - KIX
1 stop27h 15mKLM
Deal found 11/1$1,592
This Mytrip deal was found by Cheapflights users on 11/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/173:25 pmKIX - IAD
2 stops31h 40mMultiple Airlines
Wed 12/249:45 amIAD - KIX
2 stops21h 55mMultiple Airlines
Deal found 11/2$1,609
This Kiwi.com deal was found by Cheapflights users on 11/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/242:40 pmITM - IAD
2 stops29h 33mMultiple Airlines
Tue 12/3011:10 amIAD - ITM
1 stop17h 35mMultiple Airlines
Deal found 11/1$1,614
This Air Canada deal was found by Cheapflights users on 11/2. 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 12/198:00 amKIX - IAD
2 stops26h 26mMultiple Airlines
Mon 1/59:00 amIAD - KIX
2 stops21h 35mMultiple Airlines
Deal found 11/2$1,711

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 November 3, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,104
(Gurufare)

One-way from

$465
(Kiwi.com)
Provider with most accurate pricing for Osaka (OSA)-Washington, D.C. Dulles Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Osaka (OSA)-Washington, D.C. Dulles Intl flights.
Search Deals
From Osaka (OSA) to Washington, D.C. Dulles Intl
Search Deals
One-way flight from Osaka (OSA) to Washington, D.C. Dulles Intl
Search Deals

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 November 3, 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 12/16

9:00 am-6:30 pm

1 stop23h 30m

Washington, D.C. Dulles Intl

Tue 12/23

10:00 pm-8:10 pm

1 stop32h 10m

$1,312

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Wed 12/24

10:55 am-6:13 am

2 stops33h 18m

Washington, D.C. Dulles Intl

Tue 12/30

12:20 pm-10:20 pm

1 stop20h 00m

$1,365

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Mon 12/22

1:50 pm-6:30 pm

1 stop42h 40m

Washington, D.C. Dulles Intl

Fri 1/2

10:00 pm-12:40 pm

1 stop24h 40m

$1,396

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Tue 12/16

7:00 pm-4:36 pm

2 stops35h 36m

Washington, D.C. Dulles Intl

Tue 12/23

6:43 pm-11:35 am

2 stops26h 52m

$1,480

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Tue 4/14

6:05 pm-11:44 am

2 stops30h 39m

Washington, D.C. Dulles Intl

Sat 4/18

9:55 am-4:25 pm

2 stops41h 30m

$1,536

OsakaWashington, D.C.

ITM - IAD

ITMIAD

Osaka Itami

Wed 12/24

3:00 pm-8:26 pm

2 stops19h 26m

Washington, D.C. Dulles Intl

Tue 12/30

9:00 am-7:10 pm

2 stops20h 10m

$1,541

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Tue 4/14

4:55 pm-5:08 am

2 stops25h 13m

Washington, D.C. Dulles Intl

Sat 4/18

2:36 pm-2:50 pm

1 stop35h 14m

$1,545

OsakaWashington, D.C.

ITM - IAD

ITMIAD

Osaka Itami

Tue 4/14

12:00 pm-11:57 pm

2 stops24h 57m

Washington, D.C. Dulles Intl

Sat 4/18

10:05 am-5:05 pm

2 stops42h 00m

$1,551

OsakaWashington, D.C.

ITM - IAD

ITMIAD

Osaka Itami

Wed 12/24

8:00 am-9:10 am

1 stop15h 10m

Washington, D.C. Dulles Intl

Tue 12/30

11:10 am-6:10 pm

1 stop17h 00m

$1,562

OsakaWashington, D.C.

ITM - IAD

ITMIAD

Osaka Itami

Wed 12/24

2:40 pm-6:13 am

2 stops29h 33m

Washington, D.C. Dulles Intl

Tue 12/30

11:10 am-6:45 pm

1 stop17h 35m

$1,614

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/2

Showing 1-10 of 34 results
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Compare providers for flights from Osaka to Dulles Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Osaka to Dulles Intl in November.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Osaka-Washington, D.C. Dulles Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Osaka-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 19h 26m. 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
Woodbridge
Tysons
Arlington
Springfield
Hanover
Silver Spring
Fairfax
Fredericksburg
Falls Church
Owings Mills
Linthicum Heights
Manassas
Largo
Oxon Hill
Laurel
Towson
National Harbor
Waldorf
Bowie

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

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