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Osaka

$483+ Cheap flights from Dulles Intl (IAD) to Osaka (OSA)

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 2/3. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — OSA
Feb 20 — Feb 271
Fri 2/20
Fri 2/27
1 adult, Economy
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Cheap flight deals from Dulles Intl to Osaka

Cheapest flights from Dulles Intl to Osaka
Explore the most affordable flight options available from Dulles Intl to Osaka. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2026.

This Priceline deal was found by Cheapflights users on 1/19. 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 1/209:00 am
IAD
-
ITM
2 stops20h 10m
Air Canada
Tue 1/274:00 pm
ITM
-
IAD
2 stops18h 26m
Air Canada
Deal found 1/19$883
This Air Canada deal was found by Cheapflights users on 1/19. 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 3/35:46 pm
IAD
-
KIX
2 stops33h 54m
Air Canada
Tue 3/107:25 pm
KIX
-
IAD
2 stops33h 56m
Air Canada
Deal found 1/19$883
This Air Canada deal was found by Cheapflights users on 1/19. 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 2/29:00 am
IAD
-
KIX
2 stops23h 20m
Multiple Airlines
Tue 2/103:00 pm
KIX
-
IAD
2 stops19h 29m
Multiple Airlines
Deal found 1/19$885
This Air Canada deal was found by Cheapflights users on 1/18. 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 1/199:00 am
IAD
-
KIX
2 stops22h 50m
Multiple Airlines
Mon 1/268:00 am
KIX
-
IAD
2 stops26h 54m
Multiple Airlines
Deal found 1/18$916
This Air Canada deal was found by Cheapflights users on 1/19. 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 1/309:00 am
IAD
-
KIX
2 stops23h 20m
Multiple Airlines
Fri 2/133:00 pm
KIX
-
IAD
2 stops19h 29m
Multiple Airlines
Deal found 1/19$919
This Air Canada deal was found by Cheapflights users on 1/18. 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 3/510:09 pm
IAD
-
KIX
2 stops29h 31m
Air Canada
Thu 3/127:25 pm
KIX
-
IAD
2 stops38h 29m
Air Canada
Deal found 1/18$931
This Air Canada deal was found by Cheapflights users on 1/19. 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 11/210:05 pm
IAD
-
KIX
2 stops53h 35m
Air Canada
Thu 11/127:25 pm
KIX
-
IAD
2 stops29h 51m
Air Canada
Deal found 1/19$935
This Air Canada deal was found by Cheapflights users on 1/21. 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.
Sat 3/710:09 pm
IAD
-
KIX
2 stops29h 31m
Air Canada
Sat 3/147:25 pm
KIX
-
IAD
2 stops33h 56m
Air Canada
Deal found 1/21$938
This oojo deal was found by Cheapflights users on 1/19. 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 11/26:30 am
IAD
-
ITM
2 stops23h 20m
Japan Airlines
Thu 11/122:40 pm
ITM
-
IAD
2 stops30h 48m
Japan Airlines
Deal found 1/19$943
This Gotogate deal was found by Cheapflights users on 1/19. 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.
Wed 2/189:45 am
IAD
-
KIX
2 stops34h 20m
Multiple Airlines
Wed 2/258:25 pm
KIX
-
IAD
2 stops57h 24m
Multiple Airlines
Deal found 1/19$947
This FlightHub deal was found by Cheapflights users on 1/19. 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.
Tue 2/248:15 am
IAD
-
UKB
2 stops33h 45m
ANA
Fri 5/227:05 am
UKB
-
IAD
1 stop16h 00m
ANA
Deal found 1/19$952
This FlightHub deal was found by Cheapflights users on 1/19. 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.
Mon 11/28:35 am
IAD
-
ITM
2 stops20h 20m
ANA
Thu 11/121:00 pm
ITM
-
IAD
1 stop16h 40m
ANA
Deal found 1/19$952

Find flight deals from Dulles Intl to Osaka

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Osaka (OSA). 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 January 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$883
(Air Canada)

One-way from

$483
(Priceline)

Popular in

March

Cheapest in

July

Average price

$1,072
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Osaka (OSA) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Osaka (OSA) flights.
Search Deals
From Washington, D.C. Dulles Intl to Osaka (OSA)
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Osaka (OSA)
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($237 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($104 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Osaka 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 January 21, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Osaka that are best for you.

Fly from

Dulles Intl

Fly to

Osaka

Route

Depart

Return

Price

Washington, D.C.Kobe

IAD - UKB

IADUKB

Washington, D.C. Dulles Intl

Tue 2/24

8:15 am-8:00 am

2 stops33h 45m

Kobe

Fri 5/22

7:05 am-10:05 am

1 stop16h 00m

$952

Washington, D.C.Kobe

IAD - UKB

IADUKB

Washington, D.C. Dulles Intl

Sun 4/19

12:30 pm-9:45 pm

1 stop20h 15m

Kobe

Wed 4/29

9:15 pm-10:05 am

1 stop25h 50m

$953

Washington, D.C.Kobe

IAD - UKB

IADUKB

Washington, D.C. Dulles Intl

Wed 3/4

11:10 am-9:45 pm

1 stop20h 35m

Kobe

Wed 3/18

7:05 am-4:40 pm

1 stop22h 35m

$953

Washington, D.C.Kobe

IAD - UKB

IADUKB

Washington, D.C. Dulles Intl

Sun 2/15

12:20 pm-8:00 am

1 stop29h 40m

Kobe

Tue 3/17

7:05 am-4:40 pm

1 stop22h 35m

$953

Washington, D.C.Osaka

IAD - ITM

IADITM

Washington, D.C. Dulles Intl

Sun 4/19

12:15 pm-8:15 pm

1 stop19h 00m

Osaka Itami

Wed 4/29

6:00 pm-10:05 am

1 stop29h 05m

$954

Washington, D.C.Osaka

IAD - ITM

IADITM

Washington, D.C. Dulles Intl

Wed 2/18

9:00 am-8:20 pm

2 stops21h 20m

Osaka Itami

Wed 2/25

3:25 pm-8:29 pm

2 stops19h 04m

$958

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Sun 4/19

6:30 am-2:50 pm

1 stop19h 20m

Osaka Kansai Intl

Wed 4/29

4:55 pm-11:28 am

2 stops31h 33m

$974

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Mon 2/16

8:15 am-10:20 am

2 stops36h 05m

Osaka Kansai Intl

Thu 2/26

6:35 pm-1:08 am

1 stop20h 33m

$974

Washington, D.C.Kobe

IAD - UKB

IADUKB

Washington, D.C. Dulles Intl

Tue 2/10

12:20 pm-8:00 am

1 stop29h 40m

Kobe

Fri 2/20

7:05 am-9:10 am

1 stop16h 05m

$981

Washington, D.C.Osaka

IAD - ITM

IADITM

Washington, D.C. Dulles Intl

Sun 2/1

9:00 am-8:20 pm

2 stops21h 20m

Osaka Itami

Sat 2/7

3:00 pm-8:29 pm

2 stops19h 29m

$992

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 51 results
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Compare providers for flights from Dulles Intl to Osaka

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 Dulles Intl to Osaka in January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
CheapfaremartPrice Accuracy-Trust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*3 stars

*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 Washington, D.C. Dulles Intl Airport-Osaka flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Osaka flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Osaka flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Osaka flights, Cheapflights users trust AranGrant the most. AranGrant 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 Washington, D.C. Dulles Intl Airport-Osaka 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 Dulles Intl to Osaka

Have a flexible travel schedule? Discover the best time to fly to Osaka from Dulles Intl 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 Washington, D.C. Dulles Intl Airport to Osaka
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Osaka

Get insights into the airlines that provide service to Osaka. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Osaka. Reviews last updated January 21, 2026.
See what other customers who have flown with ANA and United Airlines from Washington, D.C. Dulles Intl Airport to Osaka have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
ANA
8.4
Very good
1,076 reviews

Crew

8.7

Food

7.8

Entertainment

7.9

Boarding

8.6

Comfort

8.2

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Lindsey,Jan 2026

CGK - HND

All of the flight attendants were very nice & attentive. The bathrooms were kept very clean. We have no complaints!
ANA
8.4
Very good
1,076 reviews
ANA
8.4
Very good
1,076 reviews

Crew

8.7

Food

7.8

Entertainment

7.9

Boarding

8.6

Comfort

8.2

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Lindsey,Jan 2026

CGK - HND

All of the flight attendants were very nice & attentive. The bathrooms were kept very clean. We have no complaints!
United Airlines
7.4
Good
9,191 reviews
ANA
8.4
Very good
1,076 reviews

Crew

8.7

Food

7.8

Entertainment

7.9

Boarding

8.6

Comfort

8.2

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Lindsey,Jan 2026

CGK - HND

All of the flight attendants were very nice & attentive. The bathrooms were kept very clean. We have no complaints!

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Osaka. 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 Washington, D.C. Dulles Intl Airport to Osaka?

    For as low as $974, ANA can have you in Osaka from Washington, D.C. Dulles Intl Airport in 19h 20m. Airlines will cover a distance of 6948 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Osaka round-trip?

    According to our current data, ANA ($965), and United Airlines ($1,170) offers the cheapest pricing from Washington, D.C. Dulles Intl Airport to Osaka. ANA is priced at 33% lower than the current average price of a flight leaving 3 months from now.

  • What are the most popular routes from Washington, D.C. Dulles Intl Airport to Osaka?

    The most popular route from Washington, D.C. Dulles Intl Airport to Osaka is Washington, D.C. Dulles Intl - Osaka Kansai Intl. You may also consider Washington, D.C. Dulles Intl - Osaka Itami or Washington, D.C. Dulles Intl - Kobe.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Dulles Intl to Osaka 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 Osaka?

Book flights to Osaka if you plan to visit one of these locations
Nara

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Top 2 airlines flying from Dulles Intl to Osaka

Discover the top 2 airlines that operate flights from Dulles Intl to Osaka. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
ANACheapest$965Average$1,651FlexibilityNo cancel feeOn-time80%
United AirlinesCheapest$1,170Average$1,667FlexibilityNo cancel feeOn-time69%

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