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Dulles Intl

$578+ 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 5/21. Fares are subject to change and may not be available on all flights or dates of travel.
OSA — IAD
Jun 10 — Jun 171
Wed 6/10
Wed 6/17
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 May 11, 2026.

This American Airlines deal was found by Cheapflights users on 5/10. 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.
Wed 8/268:20 am
ITM
-
IAD
2 stops42h 43m
American Airlines
Sun 8/306:00 am
IAD
-
ITM
2 stops48h 10m
American Airlines
Deal found 5/10$1,318
This oojo deal was found by Cheapflights users on 5/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/143:10 pm
KIX
-
IAD
2 stops28h 29m
STARLUX Airlines
Tue 9/15:44 pm
IAD
-
KIX
2 stops29h 31m
STARLUX Airlines
Deal found 5/10$1,395
This oojo deal was found by Cheapflights users on 5/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/143:10 pm
KIX
-
IAD
2 stops28h 29m
STARLUX Airlines
Tue 7/216:14 pm
IAD
-
KIX
2 stops30h 46m
STARLUX Airlines
Deal found 5/10$1,421
This oojo deal was found by Cheapflights users on 5/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/191:10 pm
KIX
-
IAD
1 stop21h 50m
EVA Air
Sat 9/261:15 am
IAD
-
KIX
1 stop27h 00m
EVA Air
Deal found 5/10$1,434
This FlightHub deal was found by Cheapflights users on 5/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/196:30 pm
KIX
-
IAD
2 stops24h 10m
Multiple Airlines
Sat 9/261:15 am
IAD
-
KIX
1 stop21h 55m
Multiple Airlines
Deal found 5/10$1,471
This oojo deal was found by Cheapflights users on 5/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/191:10 pm
KIX
-
IAD
2 stops29h 30m
China Airlines
Sun 9/275:54 pm
IAD
-
KIX
2 stops29h 06m
China Airlines
Deal found 5/10$1,473
This EVA Air deal was found by Cheapflights users on 5/7. 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 EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/911:10 am
KIX
-
IAD
1 stop23h 50m
EVA Air
Sat 9/121:15 am
IAD
-
KIX
1 stop21h 55m
EVA Air
Deal found 5/7$1,479
This Flightnetwork deal was found by Cheapflights users on 5/6. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/2612:15 am
KIX
-
IAD
3 stops35h 15m
Multiple Airlines
Fri 7/31:50 am
IAD
-
KIX
3 stops31h 50m
Multiple Airlines
Deal found 5/6$1,484
This Expedia deal was found by Cheapflights users on 5/10. 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.
Tue 7/143:10 pm
KIX
-
IAD
2 stops28h 29m
Multiple Airlines
Mon 8/311:50 am
IAD
-
KIX
1 stop21h 20m
Multiple Airlines
Deal found 5/10$1,509
This oojo deal was found by Cheapflights users on 5/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/62:00 pm
KIX
-
IAD
2 stops29h 39m
China Airlines
Tue 7/216:14 pm
IAD
-
KIX
2 stops29h 36m
China Airlines
Deal found 5/10$1,514
This oojo deal was found by Cheapflights users on 5/7. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/261:25 pm
KIX
-
IAD
2 stops29h 15m
STARLUX Airlines
Fri 9/45:44 pm
IAD
-
KIX
2 stops29h 31m
STARLUX Airlines
Deal found 5/7$1,562
This oojo deal was found by Cheapflights users on 5/9. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/281:25 pm
KIX
-
IAD
2 stops31h 09m
STARLUX Airlines
Tue 6/26:00 am
IAD
-
KIX
2 stops41h 15m
STARLUX Airlines
Deal found 5/9$1,581

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 May 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,318
(American Airlines)

One-way from

$578
(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
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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 May 11, 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 - IAD

KIXIAD

Osaka Kansai Intl

Wed 9/9

11:10 am-10:00 pm

1 stop23h 50m

Washington, D.C. Dulles Intl

Sat 9/12

1:15 am-12:10 pm

1 stop21h 55m

$1,480

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Mon 6/22

7:30 pm-3:40 pm

2 stops33h 10m

Washington, D.C. Dulles Intl

Mon 6/29

1:20 pm-10:05 am

1 stop31h 45m

$1,644

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Wed 8/26

11:10 am-10:30 pm

1 stop24h 20m

Washington, D.C. Dulles Intl

Fri 8/28

1:50 am-12:10 pm

1 stop21h 20m

$1,667

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Tue 8/11

7:05 pm-4:12 pm

3 stops34h 07m

Washington, D.C. Dulles Intl

Wed 8/19

1:50 am-10:00 pm

2 stops31h 10m

$1,903

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Mon 6/8

11:45 pm-8:40 am

1 stop45h 55m

Washington, D.C. Dulles Intl

Mon 6/15

10:55 am-5:15 pm

1 stop41h 20m

$1,931

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Sun 6/14

11:45 pm-8:40 am

1 stop45h 55m

Washington, D.C. Dulles Intl

Thu 6/25

10:55 am-5:15 pm

1 stop41h 20m

$1,940

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Sat 6/20

11:45 pm-8:40 am

1 stop45h 55m

Washington, D.C. Dulles Intl

Sat 6/27

10:55 am-5:15 pm

1 stop41h 20m

$1,941

OsakaWashington, D.C.

ITM - IAD

ITMIAD

Osaka Itami

Wed 8/26

12:50 pm-11:52 am

2 stops36h 02m

Washington, D.C. Dulles Intl

Sun 8/30

10:10 pm-5:05 pm

2 stops29h 55m

$1,967
Quickest round-trip

OsakaWashington, D.C.

ITM - IAD

ITMIAD

Osaka Itami

Tue 7/14

12:50 pm-9:22 pm

2 stops21h 32m

Washington, D.C. Dulles Intl

Tue 9/1

6:15 am-5:05 pm

2 stops21h 50m

$1,968

OsakaWashington, D.C.

ITM - IAD

ITMIAD

Osaka Itami

Wed 9/9

12:50 pm-9:22 pm

2 stops21h 32m

Washington, D.C. Dulles Intl

Sun 9/13

10:10 pm-5:05 pm

2 stops29h 55m

$1,970

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/10

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 23h 50m. There are 6948 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
Tysons
Owings Mills
Springfield
Arlington
Herndon
Rockville
Hyattsville
Manassas
Fredericksburg
Silver Spring
Hanover
Laurel
Woodbridge
Waldorf
Largo
Clinton
Hunt Valley
Cordova
Reston

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.
Osaka Itami to Dulles Intl flights
Kansai Intl to Dulles Intl flights

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