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$560+ 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 3/9. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — OSA
Nov 25 — Dec 21
Mon 11/25
Mon 12/2
1 adult, Economy
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Cheap 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 November 20, 2024.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Popular in

December

Cheapest in

January

Round-trip from

$1,140
(Air Canada)

One-way from

$672
(Cathay Pacific)
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Osaka (OSA) flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Osaka (OSA) flights.
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High demand for flights, 33% potential price rise
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Best time to find cheap flights, 46% potential price drop
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From Washington, D.C. Dulles Intl to Osaka (OSA)
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One-way flight from Washington, D.C. Dulles Intl to Osaka (OSA)
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Find 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 November 20, 2024.

This SmartFares deal was found by Cheapflights users on 11/19. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/32:00 pmIAD - KIX
1 stop38h 55mTurkish Airlines
Mon 12/910:30 pmKIX - IAD
1 stop35h 00mTurkish Airlines
Deal found 11/19$1,279
This Kiwi.com deal was found by Cheapflights users on 11/20. 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 12/45:32 pmIAD - KIX
1 stop35h 18mMultiple Airlines
Tue 12/107:30 amKIX - IAD
2 stops46h 40mMultiple Airlines
Deal found 11/20$1,340
This Mytrip deal was found by Cheapflights users on 11/20. 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 12/48:21 amIAD - ITM
2 stops22h 04mMultiple Airlines
Tue 12/102:50 pmITM - IAD
2 stops19h 48mMultiple Airlines
Deal found 11/20$1,416
This KAYAK deal was found by Cheapflights users on 11/18. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/304:35 pmIAD - KIX
2 stops33h 25mAir China
Fri 12/612:15 pmKIX - IAD
2 stops39h 55mAir China
Deal found 11/18$1,421
This United Airlines deal was found by Cheapflights users on 11/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/288:49 pmIAD - KIX
1 stop29h 46mUnited Airlines
Wed 1/156:30 pmKIX - IAD
1 stop16h 28mUnited Airlines
Deal found 11/19$1,464
This ANA deal was found by Cheapflights users on 11/19. 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 ANA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2811:05 amIAD - UKB
1 stop20h 40mANA
Wed 1/157:05 amUKB - IAD
1 stop16h 05mANA
Deal found 11/19$1,517
This KAYAK deal was found by Cheapflights users on 11/19. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2811:05 amIAD - ITM
1 stop18h 05mANA
Wed 1/157:05 amITM - IAD
1 stop16h 05mANA
Deal found 11/19$1,527
This KAYAK deal was found by Cheapflights users on 11/19. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2811:05 amIAD - KIX
1 stop17h 10mANA
Thu 1/166:50 amKIX - IAD
1 stop16h 20mANA
Deal found 11/19$1,528
This Air Canada deal was found by Cheapflights users on 11/19. 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 12/310:09 pmIAD - ITM
2 stops31h 01mAir Canada
Mon 12/92:05 pmITM - IAD
2 stops39h 08mAir Canada
Deal found 11/19$1,583
This Air Canada deal was found by Cheapflights users on 11/19. 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 12/610:09 pmIAD - KIX
2 stops31h 16mAir Canada
Mon 12/163:40 pmKIX - IAD
2 stops30h 23mAir Canada
Deal found 11/19$1,610
This KAYAK deal was found by Cheapflights users on 11/20. 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.
Sat 12/74:44 pmIAD - KIX
3 stops32h 11mCathay Pacific
Mon 12/234:05 pmKIX - IAD
3 stops67h 25mCathay Pacific
Deal found 11/20$1,933
This KAYAK deal was found by Cheapflights users on 11/20. 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.
Mon 11/256:30 amIAD - KIX
2 stops24h 25mAsiana Airlines
Mon 12/910:50 amKIX - IAD
2 stops32h 19mAsiana Airlines
Deal found 11/20$1,938

Find flights from Dulles Intl to Osaka within your budget

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 2,629,791 searches. Data last updated November 20, 2024.

Fly from

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Any airport

Route

Depart

Return

Price

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Sat 2/15

3:55 pm-8:10 am

2 stops50h 15m

Osaka Kansai Intl

Fri 2/21

7:30 am-9:23 pm

2 stops27h 53m

$1,140

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Wed 4/30

5:00 pm-1:00 pm

2 stops31h 00m

Osaka Kansai Intl

Mon 6/2

9:10 am-5:55 am

2 stops33h 45m

$1,191

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Mon 2/24

9:25 pm-6:55 pm

1 stop31h 30m

Osaka Kansai Intl

Wed 3/5

10:30 pm-12:15 pm

1 stop27h 45m

$1,232

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Tue 4/1

10:05 pm-4:20 pm

2 stops29h 15m

Osaka Kansai Intl

Mon 4/14

6:00 pm-11:16 am

2 stops30h 16m

$1,272

Washington, D.C.Osaka

IAD - ITM

IADITM

Washington, D.C. Dulles Intl

Sat 1/18

5:17 pm-7:10 pm

2 stops35h 53m

Osaka Itami

Wed 1/29

2:50 pm-9:21 pm

2 stops20h 31m

$1,328

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Mon 2/24

9:30 pm-11:40 am

1 stop24h 10m

Osaka Kansai Intl

Wed 3/5

10:50 am-4:25 pm

2 stops43h 35m

$1,398

Washington, D.C.Kobe

IAD - UKB

IADUKB

Washington, D.C. Dulles Intl

Tue 3/25

12:10 pm-9:45 pm

1 stop20h 35m

Kobe

Wed 4/9

9:15 pm-10:35 am

1 stop26h 20m

$1,409

Washington, D.C.Osaka

IAD - ITM

IADITM

Washington, D.C. Dulles Intl

Sun 3/2

11:05 am-7:10 pm

1 stop18h 05m

Osaka Itami

Thu 3/13

7:05 am-10:10 am

1 stop16h 05m

$1,413

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Tue 4/1

12:15 pm-10:20 pm

1 stop21h 05m

Osaka Kansai Intl

Tue 4/15

7:00 am-10:35 am

1 stop16h 35m

$1,414

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Sat 11/30

4:35 pm-4:00 pm

2 stops33h 25m

Osaka Kansai Intl

Fri 12/6

12:15 pm-2:10 pm

2 stops39h 55m

$1,421

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 36 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 November.
ProviderPrice AccuracyTrust Score*
AranGrantPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 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 AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Washington, D.C. Dulles Intl Airport-Osaka flight deals on Cheapflights vs. AranGrant >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.

Travel insights for flights from Dulles Intl to Osaka

Get recent, data-driven insights about flights from Dulles Intl to Osaka including ideal travel times, pricing trends, and more.

What is the cheapest time of day to fly from IAD to OSA?

Find hourly flight availability from Dulles Intl to Osaka. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 20, 2024.

When flying from Washington, D.C. Dulles Intl Airport to Osaka, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 31% versus a flight at noon.

Rainfall in Osaka by month

Plan your trip to Osaka by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Osaka ranges from 1.6 - 7.9 inches per month. June is typically the wettest month, when rainfall can reach 7.9 in. January is typically the driest time to visit Osaka when rainfall is around 1.6 in.

Temperature in Osaka by month

Plan your trip to Osaka by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Osaka, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 42.8 F).

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 November 20, 2024.
Read reviews from past customers who have flown Qatar Airways, Turkish Airlines and United Airlines from Washington, D.C. to Osaka. 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
833 reviews

Comfort

8.2

Crew

8.7

Boarding

8.6

Overall

8.4

Food

7.7

Entertainment

7.9

Reviews

1 / 10

I hate the assigned seat from Japan to Chicago it was a long flight and I was assigned in the most uncomfortable area, the worst is I can't check in online makes it more worse.

ANA
8.4
Very good
833 reviews
ANA
8.4
Very good
833 reviews

Comfort

8.2

Crew

8.7

Boarding

8.6

Overall

8.4

Food

7.7

Entertainment

7.9

Reviews

1 / 10

I hate the assigned seat from Japan to Chicago it was a long flight and I was assigned in the most uncomfortable area, the worst is I can't check in online makes it more worse.

Japan Airlines
8.3
Very good
1,460 reviews
ANA
8.4
Very good
833 reviews

Comfort

8.2

Crew

8.7

Boarding

8.6

Overall

8.4

Food

7.7

Entertainment

7.9

Reviews

1 / 10

I hate the assigned seat from Japan to Chicago it was a long flight and I was assigned in the most uncomfortable area, the worst is I can't check in online makes it more worse.

Asiana Airlines
8.3
Very good
476 reviews
ANA
8.4
Very good
833 reviews

Comfort

8.2

Crew

8.7

Boarding

8.6

Overall

8.4

Food

7.7

Entertainment

7.9

Reviews

1 / 10

I hate the assigned seat from Japan to Chicago it was a long flight and I was assigned in the most uncomfortable area, the worst is I can't check in online makes it more worse.

Emirates
8.1
Very good
3,486 reviews
ANA
8.4
Very good
833 reviews

Comfort

8.2

Crew

8.7

Boarding

8.6

Overall

8.4

Food

7.7

Entertainment

7.9

Reviews

1 / 10

I hate the assigned seat from Japan to Chicago it was a long flight and I was assigned in the most uncomfortable area, the worst is I can't check in online makes it more worse.

KLM
7.8
Good
1,350 reviews
ANA
8.4
Very good
833 reviews

Comfort

8.2

Crew

8.7

Boarding

8.6

Overall

8.4

Food

7.7

Entertainment

7.9

Reviews

1 / 10

I hate the assigned seat from Japan to Chicago it was a long flight and I was assigned in the most uncomfortable area, the worst is I can't check in online makes it more worse.

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.

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

    According to our current data, Turkish Airlines ($1,279), ANA ($1,408), and Air China ($1,421) offers the cheapest pricing from Washington, D.C. Dulles Intl Airport to Osaka. Turkish Airlines is priced at 20% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Osaka one-way?

    The cheapest airlines for a one-way flight from Washington, D.C. Dulles Intl Airport to Osaka are Asiana Airlines ($855), United Airlines ($863), and ANA ($930).

  • 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 Itami. You may also consider Washington, D.C. Dulles Intl - Osaka Kansai Intl 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.

  • What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Osaka?

    Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Osaka (average of $975). Flying from Washington, D.C. Dulles Intl Airport to Osaka in July is currently the most expensive (average of $1,284). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Dulles Intl to Osaka

See prices for flight routes from nearby airports that may be better suited for you.
Dulles Intl to Itami flights
Dulles Intl to Kansai Intl flights
Baltimore to Itami flights
Baltimore to Kansai Intl flights
Reagan-National to Kansai Intl flights
Reagan-National to Itami flights

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 2,629,791 searches. Data last updated November 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$929Average$1,053FlexibilityNo cancel feeOn-time67%
ANACheapest$1,421Average$1,925FlexibilityNo cancel feeOn-time80%
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