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Dulles Intl

$619+ 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 2/17. Fares are subject to change and may not be available on all flights or dates of travel.
OSA — IAD
Mar 5 — Mar 121
Thu 3/5
Thu 3/12
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 February 3, 2026.

This Air China deal was found by Cheapflights users on 2/2. 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.
Fri 10/239:05 am
KIX
-
IAD
1 stop23h 25m
Air China
Tue 10/2711:00 pm
IAD
-
KIX
1 stop32h 10m
Air China
Deal found 2/2$1,084
This Ticket deal was found by Cheapflights users on 2/3. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/3011:10 am
KIX
-
IAD
2 stops31h 30m
Multiple Airlines
Wed 4/157:11 pm
IAD
-
KIX
2 stops25h 59m
Multiple Airlines
Deal found 2/3$1,269
This KAYAK deal was found by Cheapflights users on 2/2. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/71:25 pm
KIX
-
IAD
2 stops31h 07m
STARLUX Airlines
Fri 8/217:18 pm
IAD
-
KIX
2 stops27h 57m
STARLUX Airlines
Deal found 2/2$1,303
This Air China deal was found by Cheapflights users on 2/1. 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 Air China is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/39:05 am
KIX
-
IAD
1 stop23h 25m
Air China
Fri 7/1011:00 pm
IAD
-
KIX
1 stop24h 40m
Air China
Deal found 2/1$1,312
This Lufthansa deal was found by Cheapflights users on 2/3. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/309:30 am
KIX
-
IAD
1 stop42h 30m
Lufthansa
Wed 4/155:25 pm
IAD
-
KIX
1 stop24h 50m
Lufthansa
Deal found 2/3$1,415
This Air China deal was found by Cheapflights users on 2/1. 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 Air China is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/62:00 pm
KIX
-
IAD
1 stop42h 30m
Air China
Fri 7/1011:00 pm
IAD
-
KIX
1 stop32h 30m
Air China
Deal found 2/1$1,441
This Air Canada deal was found by Cheapflights users on 1/31. 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 10/236:00 pm
KIX
-
IAD
1 stop15h 25m
Air Canada
Tue 10/274:30 pm
IAD
-
KIX
2 stops36h 10m
Air Canada
Deal found 1/31$1,489
This Expedia deal was found by Cheapflights users on 1/31. 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.
Mon 3/1610:55 am
KIX
-
IAD
2 stops31h 45m
Multiple Airlines
Wed 3/257:11 pm
IAD
-
KIX
2 stops25h 44m
Multiple Airlines
Deal found 1/31$1,513
This Alaska Airlines deal was found by Cheapflights users on 2/2. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/222:35 pm
ITM
-
IAD
2 stops29h 53m
Multiple Airlines
Mon 10/266:30 am
IAD
-
ITM
2 stops24h 20m
Multiple Airlines
Deal found 2/2$1,658
This American Airlines deal was found by Cheapflights users on 2/1. 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 7/34:20 pm
ITM
-
IAD
2 stops25h 40m
American Airlines
Thu 7/96:22 am
IAD
-
ITM
2 stops24h 28m
American Airlines
Deal found 2/1$1,693
This American Airlines deal was found by Cheapflights users on 2/2. 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.
Mon 3/308:30 am
ITM
-
IAD
2 stops27h 23m
Multiple Airlines
Wed 4/157:00 am
IAD
-
ITM
2 stops23h 50m
Multiple Airlines
Deal found 2/2$1,699
This Alaska Airlines deal was found by Cheapflights users on 2/1. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/62:30 pm
ITM
-
IAD
2 stops38h 31m
Multiple Airlines
Thu 7/96:05 am
IAD
-
ITM
2 stops24h 45m
Multiple Airlines
Deal found 2/1$1,727

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 February 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,312
(Air China)

One-way from

$619
(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 February 3, 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

Osaka

Fly to

Dulles Intl

Route

Depart

Return

Price

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Mon 3/30

11:10 am-5:40 am

2 stops31h 30m

Washington, D.C. Dulles Intl

Wed 4/15

7:11 pm-10:10 am

2 stops25h 59m

$1,269

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Mon 3/30

9:30 am-3:00 pm

1 stop42h 30m

Washington, D.C. Dulles Intl

Wed 4/15

5:25 pm-7:15 am

1 stop24h 50m

$1,415

OsakaWashington, D.C.

ITM - IAD

ITMIAD

Osaka Itami

Fri 7/3

1:25 pm-5:00 am

2 stops28h 35m

Washington, D.C. Dulles Intl

Wed 7/8

6:22 am-5:35 pm

2 stops22h 13m

$1,693

OsakaWashington, D.C.

ITM - IAD

ITMIAD

Osaka Itami

Fri 7/3

4:20 pm-5:00 am

2 stops25h 40m

Washington, D.C. Dulles Intl

Thu 7/9

6:22 am-7:50 pm

2 stops24h 28m

$1,693

OsakaWashington, D.C.

ITM - IAD

ITMIAD

Osaka Itami

Mon 3/30

8:30 am-10:53 pm

2 stops27h 23m

Washington, D.C. Dulles Intl

Wed 4/15

7:00 am-7:50 pm

2 stops23h 50m

$1,699

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Tue 7/7

12:35 pm-11:55 pm

2 stops24h 20m

Washington, D.C. Dulles Intl

Sun 7/12

7:00 am-9:00 pm

2 stops25h 00m

$1,714

OsakaWashington, D.C.

ITM - IAD

ITMIAD

Osaka Itami

Mon 7/6

2:30 pm-4:01 pm

2 stops38h 31m

Washington, D.C. Dulles Intl

Thu 7/9

6:05 am-7:50 pm

2 stops24h 45m

$1,727

OsakaWashington, D.C.

ITM - IAD

ITMIAD

Osaka Itami

Mon 3/30

7:30 am-10:05 am

1 stop15h 35m

Washington, D.C. Dulles Intl

Wed 4/15

12:15 pm-6:10 pm

1 stop16h 55m

$1,769

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Sun 7/5

6:40 pm-9:45 am

1 stop28h 05m

Washington, D.C. Dulles Intl

Mon 7/6

3:10 pm-11:50 am

1 stop31h 40m

$1,806

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Thu 3/19

3:15 pm-10:50 am

2 stops32h 35m

Washington, D.C. Dulles Intl

Thu 3/26

10:09 pm-10:15 pm

3 stops35h 06m

$1,807

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/3

Showing 1-10 of 34 results
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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
Woodbridge
Tysons
Arlington
Owings Mills
Springfield
Silver Spring
Herndon
Fredericksburg
Hanover
Linthicum Heights
Rockville
Laurel
Towson
Upper Marlboro
Manassas
Largo
Bowie
McLean
Clinton

Browse thousands of different options on Cheapflights for your next trip

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

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