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Osaka

$484+ 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 7/14. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — OSA
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
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 29, 2026.

This FlightHub deal was found by Cheapflights users on 1/26. 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 4/610:08 pm
IAD
-
KIX
2 stops53h 17m
Air Canada
Thu 4/166:00 pm
KIX
-
IAD
2 stops30h 23m
Air Canada
Deal found 1/26$888
This Air Canada deal was found by Cheapflights users on 1/28. 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 10/19:55 am
IAD
-
KIX
1 stop17h 30m
Air Canada
Thu 10/297:25 pm
KIX
-
IAD
2 stops38h 29m
Air Canada
Deal found 1/28$920
This Gotogate deal was found by Cheapflights users on 1/27. 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.
Sun 10/189:45 am
IAD
-
KIX
2 stops22h 15m
Multiple Airlines
Thu 10/226:05 pm
KIX
-
IAD
2 stops37h 51m
Multiple Airlines
Deal found 1/27$925
This Air Canada deal was found by Cheapflights users on 1/28. 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.
Wed 4/2210:08 pm
IAD
-
KIX
2 stops53h 17m
Air Canada
Sat 5/26:00 pm
KIX
-
IAD
2 stops30h 17m
Air Canada
Deal found 1/28$927
This FlightHub deal was found by Cheapflights users on 1/27. 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.
Sun 9/69:10 am
IAD
-
KIX
2 stops42h 15m
Air Canada
Sat 9/196:05 pm
KIX
-
IAD
2 stops30h 18m
Air Canada
Deal found 1/27$928
This Air Canada deal was found by Cheapflights users on 1/28. 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 9/249:45 am
IAD
-
ITM
2 stops20h 10m
Air Canada
Tue 10/62:00 pm
ITM
-
IAD
2 stops19h 22m
Air Canada
Deal found 1/28$939
This oojo deal was found by Cheapflights users on 1/28. 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 1/28$944
This oojo deal was found by Cheapflights users on 1/27. 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 4/1411:00 pm
IAD
-
KIX
1 stop24h 40m
Air China
Thu 4/232:00 pm
KIX
-
IAD
1 stop42h 30m
Air China
Deal found 1/27$950
This FlightHub deal was found by Cheapflights users on 1/27. 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 1/27$953
This FlightHub deal was found by Cheapflights users on 1/27. 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.
Sun 4/1912:15 pm
IAD
-
UKB
1 stop20h 30m
ANA
Wed 4/299:15 pm
UKB
-
IAD
1 stop25h 50m
ANA
Deal found 1/27$954
This FlightHub deal was found by Cheapflights users on 1/28. 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 1/28$954
This FlightHub deal was found by Cheapflights users on 1/27. 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.
Sun 4/1912:15 pm
IAD
-
ITM
1 stop17h 55m
ANA
Wed 4/298:20 pm
ITM
-
IAD
1 stop26h 45m
ANA
Deal found 1/27$955

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 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$888
(FlightHub)

One-way from

$484
(Air Canada)

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 29, 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.Osaka

IAD - ITM

IADITM

Washington, D.C. Dulles Intl

Mon 3/9

6:00 am-6:10 pm

2 stops23h 10m

Osaka Itami

Wed 5/20

12:55 pm-10:05 am

1 stop34h 10m

$966

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Mon 3/9

8:25 am-4:40 pm

1 stop19h 15m

Osaka Kansai Intl

Wed 5/20

9:20 am-9:11 pm

2 stops24h 51m

$972

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Tue 3/10

10:30 pm-4:40 pm

2 stops29h 10m

Osaka Kansai Intl

Tue 5/19

9:20 am-3:40 pm

1 stop19h 20m

$972

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Mon 3/9

8:25 am-4:40 pm

1 stop19h 15m

Osaka Kansai Intl

Tue 5/19

9:20 am-9:11 pm

2 stops24h 51m

$972

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Mon 2/23

6:20 am-4:40 pm

1 stop20h 20m

Osaka Kansai Intl

Thu 3/5

6:35 pm-12:28 am

2 stops19h 53m

$974

Washington, D.C.Osaka

IAD - ITM

IADITM

Washington, D.C. Dulles Intl

Sun 3/8

10:10 pm-6:10 pm

2 stops31h 00m

Osaka Itami

Tue 5/19

12:55 pm-9:11 pm

2 stops21h 16m

$976

Washington, D.C.Kobe

IAD - UKB

IADUKB

Washington, D.C. Dulles Intl

Sun 2/22

11:10 am-9:45 pm

1 stop20h 35m

Kobe

Wed 3/4

7:05 am-3:40 pm

1 stop22h 35m

$981

Washington, D.C.Osaka

IAD - ITM

IADITM

Washington, D.C. Dulles Intl

Mon 2/23

8:20 am-6:55 pm

2 stops20h 35m

Osaka Itami

Thu 3/5

7:30 am-9:10 am

1 stop15h 40m

$986

Washington, D.C.Kobe

IAD - UKB

IADUKB

Washington, D.C. Dulles Intl

Tue 2/24

11:10 am-9:45 pm

1 stop20h 35m

Kobe

Fri 3/6

7:05 am-11:49 am

2 stops18h 44m

$991

Washington, D.C.Kobe

IAD - UKB

IADUKB

Washington, D.C. Dulles Intl

Tue 3/10

12:15 pm-9:45 pm

1 stop20h 30m

Kobe

Sun 5/17

7:05 am-10:05 am

1 stop16h 00m

$1,004

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 58 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*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*2 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 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 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

How much does it cost to fly round-trip from Washington, D.C. Dulles Intl Airport to Osaka?

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 29, 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
1,078 reviews

Food

7.7

Boarding

8.5

Comfort

8.2

Overall

8.4

Crew

8.7

Entertainment

7.9

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
1,078 reviews
ANA
8.4
Very good
1,078 reviews

Food

7.7

Boarding

8.5

Comfort

8.2

Overall

8.4

Crew

8.7

Entertainment

7.9

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
9,215 reviews
ANA
8.4
Very good
1,078 reviews

Food

7.7

Boarding

8.5

Comfort

8.2

Overall

8.4

Crew

8.7

Entertainment

7.9

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 $981, United Airlines can have you in Osaka from Washington, D.C. Dulles Intl Airport in 20h 35m. Airlines will cover a distance of 6935 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 ($964), 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 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
ANACheapest$964Average$1,678FlexibilityNo cancel feeOn-time80%
United AirlinesCheapest$1,170Average$1,667FlexibilityNo cancel feeOn-time69%

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