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Dulles Intl

$648+ 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 6/24. Fares are subject to change and may not be available on all flights or dates of travel.
OSA — IAD
Jan 27 — Feb 31
Mon 1/27
Mon 2/3
1 adult, Economy
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Cheap 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 January 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,144
(Air Canada)

One-way from

$648
(Mytrip)
Provider with most accurate pricing for Osaka (OSA)-Washington, D.C. Dulles Intl flight deals.
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Provider most trusted by Cheapflights users for Osaka (OSA)-Washington, D.C. Dulles Intl flights.
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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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Find 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 January 22, 2025.

This Air Canada deal was found by Cheapflights users on 1/22. 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 6/176:05 pmKIX - IAD
1 stop35h 22mAir Canada
Wed 7/232:20 pmIAD - KIX
1 stop37h 05mAir Canada
Deal found 1/22$1,144
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/112:00 pmKIX - IAD
1 stop38h 40mAir China
Sat 4/196:00 pmIAD - KIX
2 stops32h 30mAir China
Deal found 1/21$1,207
This Justfly.com 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/172:15 pmITM - IAD
2 stops19h 45mAir Canada
Wed 7/239:55 amIAD - ITM
2 stops20h 00mAir Canada
Deal found 1/21$1,301
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/67:30 amKIX - IAD
2 stops27h 11mMultiple Airlines
Thu 3/1310:35 amIAD - KIX
2 stops22h 45mMultiple Airlines
Deal found 1/21$1,309
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/62:05 pmITM - IAD
2 stops20h 36mMultiple Airlines
Thu 3/1310:35 amIAD - ITM
2 stops20h 45mMultiple Airlines
Deal found 1/21$1,328
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/172:15 pmITM - IAD
2 stops19h 37mANA
Wed 7/2312:15 pmIAD - ITM
1 stop19h 00mANA
Deal found 1/21$1,506
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/174:50 pmKIX - IAD
2 stops20h 55mUnited Airlines
Wed 7/2310:05 pmIAD - KIX
2 stops27h 45mUnited Airlines
Deal found 1/21$1,511
This lol.travel 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/69:00 amKIX - IAD
2 stops26h 10mAsiana Airlines
Thu 3/136:00 amIAD - KIX
2 stops44h 50mAsiana Airlines
Deal found 1/21$1,522
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/66:50 amKIX - IAD
1 stop16h 20mANA
Thu 3/1312:10 pmIAD - KIX
1 stop21h 10mANA
Deal found 1/21$1,699
This United Airlines deal was found by Cheapflights users on 1/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/51:00 pmITM - IAD
1 stop16h 45mUnited Airlines
Wed 3/126:00 amIAD - ITM
2 stops23h 10mUnited Airlines
Deal found 1/20$1,802
This Gotogate deal was found by Cheapflights users on 1/22. 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.
Sat 3/810:30 pmKIX - IAD
1 stop27h 05mTurkish Airlines
Sat 3/1510:25 pmIAD - KIX
1 stop31h 30mTurkish Airlines
Deal found 1/22$1,806
This lol.travel 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/76:10 pmKIX - IAD
1 stop29h 40mKorean Air
Fri 3/1412:50 pmIAD - KIX
1 stop19h 10mKorean Air
Deal found 1/21$1,818

Find flights from Osaka to Dulles Intl within your budget

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 January 22, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Tue 6/17

6:05 pm-4:27 pm

1 stop35h 22m

Washington, D.C. Dulles Intl

Wed 7/23

2:20 pm-4:25 pm

1 stop37h 05m

$1,144

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Fri 4/11

2:00 pm-3:40 pm

1 stop38h 40m

Washington, D.C. Dulles Intl

Sat 4/19

6:00 pm-3:30 pm

2 stops32h 30m

$1,207

OsakaWashington, D.C.

ITM - IAD

ITMIAD

Osaka Itami

Tue 6/17

2:15 pm-9:00 pm

2 stops19h 45m

Washington, D.C. Dulles Intl

Wed 7/23

9:55 am-6:55 pm

2 stops20h 00m

$1,301

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Thu 3/6

7:30 am-8:41 pm

2 stops27h 11m

Washington, D.C. Dulles Intl

Thu 3/13

10:35 am-10:20 pm

2 stops22h 45m

$1,309

OsakaWashington, D.C.

ITM - IAD

ITMIAD

Osaka Itami

Thu 3/6

2:05 pm-8:41 pm

2 stops20h 36m

Washington, D.C. Dulles Intl

Thu 3/13

10:35 am-8:20 pm

2 stops20h 45m

$1,328

OsakaWashington, D.C.

ITM - IAD

ITMIAD

Osaka Itami

Tue 6/17

2:15 pm-8:52 pm

2 stops19h 37m

Washington, D.C. Dulles Intl

Wed 7/23

12:15 pm-8:15 pm

1 stop19h 00m

$1,506

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Tue 6/17

4:50 pm-12:45 am

2 stops20h 55m

Washington, D.C. Dulles Intl

Wed 7/23

10:05 pm-2:50 pm

2 stops27h 45m

$1,511

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Thu 3/6

9:00 am-9:10 pm

2 stops26h 10m

Washington, D.C. Dulles Intl

Thu 3/13

6:00 am-3:50 pm

2 stops44h 50m

$1,522

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Thu 3/6

6:50 am-9:10 am

1 stop16h 20m

Washington, D.C. Dulles Intl

Thu 3/13

12:10 pm-10:20 pm

1 stop21h 10m

$1,699

OsakaWashington, D.C.

ITM - IAD

ITMIAD

Osaka Itami

Wed 3/5

1:00 pm-3:45 pm

1 stop16h 45m

Washington, D.C. Dulles Intl

Wed 3/12

6:00 am-6:10 pm

2 stops23h 10m

$1,802

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Showing 1-10 of 30 results
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Compare providers for flights from Osaka to Dulles Intl

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 Osaka to Dulles Intl in January.
ProviderPrice AccuracyTrust Score*
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 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.

Travel insights for flights from Osaka to Dulles Intl

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

Rainfall in Dulles Intl by month

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

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

Temperature in Dulles Intl by month

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

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. 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 Dulles Intl. Reviews last updated January 22, 2025.
Read through reviews of airlines operating flights from Osaka to Washington, D.C., such as Air Canada, Etihad Airways and ANA. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.5
Very good
1,039 reviews

Boarding

8.5

Entertainment

8.2

Crew

8.7

Comfort

8.3

Food

8.1

Overall

8.5

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Korean Air
8.5
Very good
1,039 reviews
Korean Air
8.5
Very good
1,039 reviews

Boarding

8.5

Entertainment

8.2

Crew

8.7

Comfort

8.3

Food

8.1

Overall

8.5

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

ANA
8.4
Very good
852 reviews
Korean Air
8.5
Very good
1,039 reviews

Boarding

8.5

Entertainment

8.2

Crew

8.7

Comfort

8.3

Food

8.1

Overall

8.5

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Asiana Airlines
8.3
Very good
466 reviews
Korean Air
8.5
Very good
1,039 reviews

Boarding

8.5

Entertainment

8.2

Crew

8.7

Comfort

8.3

Food

8.1

Overall

8.5

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Cathay Pacific
7.5
Good
831 reviews
Korean Air
8.5
Very good
1,039 reviews

Boarding

8.5

Entertainment

8.2

Crew

8.7

Comfort

8.3

Food

8.1

Overall

8.5

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Qatar Airways
7.5
Good
3,747 reviews
Korean Air
8.5
Very good
1,039 reviews

Boarding

8.5

Entertainment

8.2

Crew

8.7

Comfort

8.3

Food

8.1

Overall

8.5

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

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.

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

    The cheapest airlines for a one-way flight from Osaka to Washington, D.C. Dulles Intl Airport are Air Canada ($1,046), Qatar Airways ($1,096), and Air China ($1,116).

  • 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.

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

    Currently, August is the cheapest month in which you can book a flight from Osaka to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Osaka to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $389). 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

Traveling to a place near Osaka?

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Fairfax
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Alexandria
Springfield
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Gaithersburg
Fredericksburg
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Laurel
Falls Church
Greenbelt
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Oxon Hill
Herndon
Woodbridge
Bowie
Reston

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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.
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