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Osaka

$468+ 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 11/3. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — OSA
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
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 September 16, 2025.

Round-trip from

$1,038
(Gotogate)

One-way from

$468
(Kiwi.com)

Popular in

June

Cheapest in

July

Average price

$680
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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Highest demand for flights based on searches. 1% potential increase in price ($24 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($49 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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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 September 16, 2025.

This Booking.com deal was found by Cheapflights users on 9/14. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/149:45 amIAD - KIX
2 stops20h 45mMultiple Airlines
Tue 10/216:05 pmKIX - IAD
2 stops28h 33mMultiple Airlines
Deal found 9/14$1,042
This Air Canada deal was found by Cheapflights users on 9/13. 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 9/168:28 amIAD - KIX
1 stop18h 57mAir Canada
Tue 9/236:05 pmKIX - IAD
2 stops30h 08mAir Canada
Deal found 9/13$1,080
This Cheapflightsfares deal was found by Cheapflights users on 9/14. 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 10/1412:25 pmIAD - UKB
1 stop20h 20mANA
Fri 11/147:05 amUKB - IAD
1 stop16h 05mANA
Deal found 9/14$1,082
This Cheapflightsfares deal was found by Cheapflights users on 9/13. 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 11/1111:05 amIAD - ITM
1 stop17h 05mANA
Tue 11/258:00 amITM - IAD
1 stop15h 10mANA
Deal found 9/13$1,083
This Cheapflightsfares deal was found by Cheapflights users on 9/13. 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 11/1111:05 amIAD - KIX
1 stop18h 20mANA
Tue 11/257:05 amKIX - IAD
1 stop16h 05mANA
Deal found 9/13$1,086
This Cheapflightsfares deal was found by Cheapflights users on 9/13. 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 11/118:30 amIAD - UKB
2 stops23h 15mANA
Tue 11/259:15 pmUKB - IAD
1 stop25h 55mANA
Deal found 9/13$1,087
This Cheapflightsfares deal was found by Cheapflights users on 9/14. 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 10/712:25 pmIAD - KIX
1 stop20h 55mANA
Tue 10/289:10 pmKIX - IAD
2 stops31h 45mANA
Deal found 9/14$1,095
This FlightHub deal was found by Cheapflights users on 9/14. 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 11/168:30 amIAD - ITM
2 stops20h 25mANA
Wed 12/37:30 amITM - IAD
1 stop15h 40mANA
Deal found 9/14$1,104
This FlightHub deal was found by Cheapflights users on 9/14. 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 10/712:25 pmIAD - UKB
1 stop20h 20mANA
Tue 10/287:05 amUKB - IAD
1 stop22h 35mANA
Deal found 9/14$1,105
This FlightHub deal was found by Cheapflights users on 9/14. 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 10/1412:25 pmIAD - ITM
1 stop30h 00mANA
Fri 11/148:00 amITM - IAD
1 stop15h 10mANA
Deal found 9/14$1,105
This United Airlines deal was found by Cheapflights users on 9/14. 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 11/2510:10 pmIAD - KIX
1 stop28h 30mUnited Airlines
Thu 12/258:20 amKIX - IAD
1 stop21h 20mUnited Airlines
Deal found 9/14$1,113
This United Airlines deal was found by Cheapflights users on 9/14. 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 10/1412:25 pmIAD - KIX
1 stop20h 55mMultiple Airlines
Fri 11/146:45 amKIX - IAD
1 stop22h 55mMultiple Airlines
Deal found 9/14$1,115

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 September 16, 2025.
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 10/14

12:25 pm-9:45 pm

1 stop20h 20m

Kobe

Fri 11/14

7:05 am-9:10 am

1 stop16h 05m

$1,082

Washington, D.C.Kobe

IAD - UKB

IADUKB

Washington, D.C. Dulles Intl

Tue 11/11

8:30 am-9:45 pm

2 stops23h 15m

Kobe

Tue 11/25

9:15 pm-9:10 am

1 stop25h 55m

$1,087

Washington, D.C.Kobe

IAD - UKB

IADUKB

Washington, D.C. Dulles Intl

Tue 1/20

12:20 pm-9:45 pm

1 stop19h 25m

Kobe

Fri 1/30

7:05 am-9:10 am

1 stop16h 05m

$1,105

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Tue 11/25

6:30 am-4:40 pm

1 stop20h 10m

Osaka Kansai Intl

Fri 12/26

8:20 am-3:40 pm

1 stop21h 20m

$1,113

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Mon 12/1

10:10 pm-4:40 pm

1 stop28h 30m

Osaka Kansai Intl

Tue 12/23

8:20 am-3:40 pm

1 stop21h 20m

$1,113

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Tue 10/14

12:25 pm-10:20 pm

1 stop20h 55m

Osaka Kansai Intl

Fri 11/14

6:45 am-3:40 pm

1 stop22h 55m

$1,115

Washington, D.C.Osaka

IAD - ITM

IADITM

Washington, D.C. Dulles Intl

Tue 11/11

6:00 am-6:10 pm

2 stops22h 10m

Osaka Itami

Tue 11/25

12:00 pm-3:40 pm

1 stop17h 40m

$1,116

Washington, D.C.Osaka

IAD - ITM

IADITM

Washington, D.C. Dulles Intl

Tue 10/14

6:30 am-5:05 pm

2 stops21h 35m

Osaka Itami

Fri 11/14

2:00 pm-3:40 pm

1 stop15h 40m

$1,116

Washington, D.C.Osaka

IAD - ITM

IADITM

Washington, D.C. Dulles Intl

Mon 11/17

11:05 am-7:10 pm

1 stop18h 05m

Osaka Itami

Wed 11/26

4:50 pm-9:10 am

1 stop30h 20m

$1,117

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Wed 11/26

6:00 am-7:25 pm

2 stops23h 25m

Osaka Kansai Intl

Tue 12/23

8:20 am-3:40 pm

1 stop21h 20m

$1,119

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 58 results
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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

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 September 16, 2025.

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.

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 September 16, 2025.
See what other customers who have flown with ANA 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
961 reviews

Crew

8.7

Food

7.7

Overall

8.4

Entertainment

7.9

Comfort

8.2

Boarding

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

SFO - NRT

ANA ground and flight crew are the best their is They are now officially my Airline of choice Crew are very attentive, friendly, sincere, helpful and respond to queries accurately, promptly and gives you the peace of mind when travelling Salute to the World’s Best Airline for me
ANA
8.4
Very good
961 reviews
ANA
8.4
Very good
961 reviews

Crew

8.7

Food

7.7

Overall

8.4

Entertainment

7.9

Comfort

8.2

Boarding

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

SFO - NRT

ANA ground and flight crew are the best their is They are now officially my Airline of choice Crew are very attentive, friendly, sincere, helpful and respond to queries accurately, promptly and gives you the peace of mind when travelling Salute to the World’s Best Airline for me

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 $1,113, ANA can have you in Osaka from Washington, D.C. Dulles Intl Airport in 20h 10m. 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 ($1,134), and United Airlines ($1,170) offers the cheapest pricing from Washington, D.C. Dulles Intl Airport to Osaka. ANA is priced at 15% 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 Cathay Pacific ($596), ANA ($625), and United Airlines ($664).

  • 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, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Osaka (average of $859). Flying from Washington, D.C. Dulles Intl Airport to Osaka in June is currently the most expensive (average of $1,309). 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?

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

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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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
ANACheapest$1,134Average$1,657FlexibilityNo cancel feeOn-time80%
United AirlinesCheapest$1,170Average$1,667FlexibilityNo cancel feeOn-time69%

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