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$600+ 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 1/17. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — OSA
Dec 24 — Dec 311
Tue 12/24
Tue 12/31
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 December 19, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,173
(CheapOair)

One-way from

$600
(Kiwi.com)

Popular in

July

Cheapest in

January

Average price

$1,799
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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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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High demand for flights, 12% potential price rise
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Best time to find cheap flights, 3% potential price drop
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Average for round-trip flights in December 2024
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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 December 19, 2024.

This Justfly.com deal was found by Cheapflights users on 12/18. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2711:05 amIAD - KIX
1 stop18h 20mANA
Mon 1/135:35 pmKIX - IAD
1 stop29h 35mANA
Deal found 12/18$2,003
This United Airlines deal was found by Cheapflights users on 12/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/256:31 amIAD - KIX
1 stop20h 04mUnited Airlines
Wed 1/16:30 pmKIX - IAD
1 stop20h 38mUnited Airlines
Deal found 12/18$2,114
This ANA deal was found by Cheapflights users on 12/19. 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.
Wed 12/2511:05 amIAD - UKB
1 stop30h 55mANA
Fri 1/177:05 amUKB - IAD
1 stop16h 05mANA
Deal found 12/19$2,162
This ANA deal was found by Cheapflights users on 12/19. 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.
Wed 12/2511:05 amIAD - ITM
1 stop19h 15mANA
Fri 1/177:05 amITM - IAD
1 stop16h 05mANA
Deal found 12/19$2,166
This KAYAK deal was found by Cheapflights users on 12/19. 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.
Tue 12/248:05 pmIAD - KIX
2 stops44h 15mQatar Airways
Tue 12/315:45 pmKIX - IAD
1 stop36h 10mQatar Airways
Deal found 12/19$2,247
This American Airlines deal was found by Cheapflights users on 12/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/275:29 pmIAD - KIX
2 stops35h 21mAmerican Airlines
Mon 1/135:50 pmKIX - IAD
2 stops28h 51mAmerican Airlines
Deal found 12/18$2,319
This KLM deal was found by Cheapflights users on 12/19. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/245:35 pmIAD - KIX
1 stop27h 45mKLM
Tue 12/311:00 pmKIX - IAD
1 stop40h 45mKLM
Deal found 12/19$2,344
This Air France deal was found by Cheapflights users on 12/19. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2512:59 pmIAD - KIX
2 stops31h 36mAir France
Fri 1/1712:30 pmKIX - IAD
1 stop41h 45mAir France
Deal found 12/19$2,353
This Air France deal was found by Cheapflights users on 12/18. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/255:35 pmIAD - KIX
2 stops27h 00mMultiple Airlines
Wed 1/112:30 pmKIX - IAD
2 stops41h 15mMultiple Airlines
Deal found 12/18$2,408
This Air Canada deal was found by Cheapflights users on 12/19. 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.
Wed 12/2510:10 pmIAD - ITM
2 stops31h 00mAir Canada
Fri 1/172:05 pmITM - IAD
2 stops33h 41mAir Canada
Deal found 12/19$2,587
This KAYAK deal was found by Cheapflights users on 12/18. 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.
Sun 12/2212:30 pmIAD - KIX
2 stops42h 30mKorean Air
Wed 1/82:00 pmKIX - IAD
2 stops21h 05mKorean Air
Deal found 12/18$2,838
This KAYAK deal was found by Cheapflights users on 12/19. 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.
Tue 12/248:05 pmIAD - ITM
2 stops45h 35mQatar Airways
Tue 12/318:15 pmITM - IAD
2 stops33h 40mQatar Airways
Deal found 12/19$2,882

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 2,558,603 searches. Data last updated December 19, 2024.

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Route

Depart

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Price

Washington, D.C.Osaka

IAD - ITM

IADITM

Washington, D.C. Dulles Intl

Sat 1/18

3:55 pm-7:55 pm

2 stops38h 00m

Osaka Itami

Fri 1/24

2:50 pm-9:21 pm

2 stops20h 31m

$1,173

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Tue 1/28

2:00 pm-6:55 pm

1 stop38h 55m

Osaka Kansai Intl

Wed 2/12

10:30 pm-12:15 pm

1 stop27h 45m

$1,262

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Mon 3/31

10:19 pm-4:25 pm

2 stops53h 06m

Osaka Kansai Intl

Tue 4/8

6:05 pm-11:14 am

2 stops30h 09m

$1,318

Washington, D.C.Osaka

IAD - ITM

IADITM

Washington, D.C. Dulles Intl

Mon 1/27

8:15 am-8:20 pm

2 stops22h 05m

Osaka Itami

Thu 2/13

2:00 pm-9:23 pm

2 stops21h 23m

$1,331

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Sat 1/18

2:35 pm-7:25 pm

2 stops38h 50m

Osaka Kansai Intl

Fri 1/24

3:05 pm-9:21 pm

2 stops20h 16m

$1,372

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Wed 1/29

9:30 pm-11:40 am

1 stop24h 10m

Osaka Kansai Intl

Tue 2/11

11:55 am-4:25 pm

2 stops42h 30m

$1,410

Washington, D.C.Kobe

IAD - UKB

IADUKB

Washington, D.C. Dulles Intl

Wed 1/29

11:05 am-9:45 pm

1 stop20h 40m

Kobe

Tue 2/11

7:05 am-9:10 am

1 stop16h 05m

$1,502

Washington, D.C.Osaka

IAD - ITM

IADITM

Washington, D.C. Dulles Intl

Wed 1/29

11:05 am-6:10 pm

1 stop17h 05m

Osaka Itami

Tue 2/11

7:30 am-9:10 am

1 stop15h 40m

$1,507

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Wed 1/29

11:05 am-6:15 pm

1 stop17h 10m

Osaka Kansai Intl

Tue 2/11

7:10 am-9:10 am

1 stop16h 00m

$1,508

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Sun 3/16

10:05 pm-4:35 pm

1 stop29h 30m

Osaka Kansai Intl

Tue 4/1

4:50 pm-1:09 am

1 stop21h 19m

$1,564

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/18

Showing 1-10 of 38 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 December.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*2 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 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.

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 December 19, 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 December 19, 2024.
Read reviews from past customers who have flown Air Canada, ANA 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
842 reviews

Crew

8.7

Comfort

8.2

Food

7.7

Entertainment

7.9

Boarding

8.6

Overall

8.4

Reviews

1 / 10

Your hospitality was excellent, very polite and kind. The meal was tasty and good. The buns were cold. Who likes cold buns?

ANA
8.4
Very good
842 reviews
ANA
8.4
Very good
842 reviews

Crew

8.7

Comfort

8.2

Food

7.7

Entertainment

7.9

Boarding

8.6

Overall

8.4

Reviews

1 / 10

Your hospitality was excellent, very polite and kind. The meal was tasty and good. The buns were cold. Who likes cold buns?

Korean Air
8.4
Very good
1,021 reviews
ANA
8.4
Very good
842 reviews

Crew

8.7

Comfort

8.2

Food

7.7

Entertainment

7.9

Boarding

8.6

Overall

8.4

Reviews

1 / 10

Your hospitality was excellent, very polite and kind. The meal was tasty and good. The buns were cold. Who likes cold buns?

Asiana Airlines
8.3
Very good
477 reviews
ANA
8.4
Very good
842 reviews

Crew

8.7

Comfort

8.2

Food

7.7

Entertainment

7.9

Boarding

8.6

Overall

8.4

Reviews

1 / 10

Your hospitality was excellent, very polite and kind. The meal was tasty and good. The buns were cold. Who likes cold buns?

Delta
8.0
Very good
8,600 reviews
ANA
8.4
Very good
842 reviews

Crew

8.7

Comfort

8.2

Food

7.7

Entertainment

7.9

Boarding

8.6

Overall

8.4

Reviews

1 / 10

Your hospitality was excellent, very polite and kind. The meal was tasty and good. The buns were cold. Who likes cold buns?

KLM
7.8
Good
1,349 reviews
ANA
8.4
Very good
842 reviews

Crew

8.7

Comfort

8.2

Food

7.7

Entertainment

7.9

Boarding

8.6

Overall

8.4

Reviews

1 / 10

Your hospitality was excellent, very polite and kind. The meal was tasty and good. The buns were cold. Who likes cold buns?

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 ($1,262), Air Canada ($1,331), and Etihad Airways ($1,410) offers the cheapest pricing from Washington, D.C. Dulles Intl Airport to Osaka. Turkish Airlines is priced at 17% 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 Air Canada ($744), Asiana Airlines ($866), and ANA ($891).

  • 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.

  • 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 $950). Flying from Washington, D.C. Dulles Intl Airport to Osaka in December is currently the most expensive (average of $1,366). 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 Kansai Intl flights
Dulles Intl to Itami flights
Baltimore to Kansai Intl flights
Reagan-National to Kansai Intl flights
Baltimore to Itami 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 2,558,603 searches. Data last updated December 19, 2024.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$929Average$1,020FlexibilityNo cancel feeOn-time67%
ANACheapest$1,421Average$1,855FlexibilityNo cancel feeOn-time80%
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