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Osaka

$585+ 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 11/1. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — OSA
Nov 15 — Nov 221
Sat 11/15
Sat 11/22
1 adult, Economy
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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 October 16, 2025.

This FlightHub deal was found by Cheapflights users on 10/13. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1110:12 pmIAD - KIX
2 stops29h 28mMultiple Airlines
Tue 11/187:00 amKIX - IAD
2 stops28h 20mMultiple Airlines
Deal found 10/13$1,065
This Air Canada deal was found by Cheapflights users on 10/16. 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 11/115:50 pmIAD - KIX
2 stops33h 50mMultiple Airlines
Tue 11/253:00 pmKIX - IAD
2 stops19h 26mMultiple Airlines
Deal found 10/16$1,074
This Air Canada deal was found by Cheapflights users on 10/13. 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 11/115:50 pmIAD - KIX
2 stops33h 50mAir Canada
Tue 11/253:45 pmKIX - IAD
2 stops19h 35mAir Canada
Deal found 10/13$1,094
This Air Canada deal was found by Cheapflights users on 10/15. 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 11/185:50 pmIAD - KIX
2 stops33h 50mAir Canada
Tue 11/253:45 pmKIX - IAD
2 stops18h 41mAir Canada
Deal found 10/15$1,095
This Air Canada deal was found by Cheapflights users on 10/15. 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 11/1210:11 pmIAD - KIX
2 stops53h 29mAir Canada
Wed 11/263:45 pmKIX - IAD
2 stops19h 35mAir Canada
Deal found 10/15$1,101
This Air Canada deal was found by Cheapflights users on 10/14. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/275:50 pmIAD - KIX
2 stops33h 50mMultiple Airlines
Thu 12/118:00 amKIX - IAD
2 stops26h 59mMultiple Airlines
Deal found 10/14$1,109
This Trip.com deal was found by Cheapflights users on 10/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/286:13 pmIAD - KIX
2 stops27h 47mMultiple Airlines
Tue 11/412:00 pmKIX - IAD
2 stops32h 23mMultiple Airlines
Deal found 10/14$1,117
This Orbitz deal was found by Cheapflights users on 10/16. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1310:12 pmIAD - KIX
2 stops29h 28mAir Canada
Thu 11/207:25 pmKIX - IAD
2 stops30h 14mAir Canada
Deal found 10/16$1,127
This Air Canada deal was found by Cheapflights users on 10/14. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/115:50 pmIAD - KIX
2 stops33h 50mAir Canada
Tue 11/183:45 pmKIX - IAD
2 stops18h 41mAir Canada
Deal found 10/14$1,143
This Ovago deal was found by Cheapflights users on 10/15. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/86:13 pmIAD - KIX
2 stops26h 57mSTARLUX Airlines
Wed 11/1212:20 pmKIX - IAD
2 stops32h 03mSTARLUX Airlines
Deal found 10/15$1,158
This Ovago deal was found by Cheapflights users on 10/16. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/46:13 pmIAD - UKB
2 stops26h 17mSTARLUX Airlines
Tue 11/1811:30 amUKB - IAD
2 stops32h 53mSTARLUX Airlines
Deal found 10/16$1,159
This FlightHub deal was found by Cheapflights users on 10/15. 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 11/99:45 amIAD - KIX
2 stops22h 30mMultiple Airlines
Wed 11/123:45 pmKIX - IAD
2 stops18h 41mMultiple Airlines
Deal found 10/15$1,161

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 October 16, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,066
(FlightHub)

One-way from

$585
(Kiwi.com)

Popular in

May

Cheapest in

July

Average price

$1,767
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. 23% potential increase in price ($410 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($50 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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 October 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.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Tue 11/18

5:50 pm-5:40 pm

2 stops33h 50m

Osaka Kansai Intl

Tue 11/25

3:45 pm-8:26 pm

2 stops18h 41m

$1,095

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Wed 11/12

10:11 pm-5:40 pm

2 stops53h 29m

Osaka Kansai Intl

Wed 11/26

3:45 pm-8:26 pm

2 stops18h 41m

$1,101

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Thu 11/27

5:50 pm-5:40 pm

2 stops33h 50m

Osaka Kansai Intl

Thu 12/11

8:00 am-8:59 pm

2 stops26h 59m

$1,109

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Thu 11/13

10:12 pm-5:40 pm

2 stops29h 28m

Osaka Kansai Intl

Thu 11/20

7:25 pm-11:39 am

2 stops30h 14m

$1,127

Washington, D.C.Kobe

IAD - UKB

IADUKB

Washington, D.C. Dulles Intl

Tue 11/4

6:13 pm-10:30 am

2 stops26h 17m

Kobe

Tue 11/18

11:30 am-6:23 am

2 stops32h 53m

$1,159

Washington, D.C.Osaka

IAD - ITM

IADITM

Washington, D.C. Dulles Intl

Wed 11/12

9:00 am-8:20 pm

2 stops21h 20m

Osaka Itami

Wed 11/26

4:00 pm-8:26 pm

2 stops18h 26m

$1,192

Washington, D.C.Kobe

IAD - UKB

IADUKB

Washington, D.C. Dulles Intl

Sun 2/1

12:20 pm-9:45 pm

1 stop19h 25m

Kobe

Tue 2/10

9:15 pm-9:10 am

1 stop25h 55m

$1,198

Washington, D.C.Osaka

IAD - ITM

IADITM

Washington, D.C. Dulles Intl

Tue 11/11

12:20 pm-8:20 pm

1 stop18h 00m

Osaka Itami

Tue 11/25

12:00 pm-3:40 pm

1 stop17h 40m

$1,205

Washington, D.C.Osaka

IAD - ITM

IADITM

Washington, D.C. Dulles Intl

Wed 11/12

12:20 pm-8:35 pm

1 stop18h 15m

Osaka Itami

Wed 11/26

2:00 pm-3:40 pm

1 stop15h 40m

$1,205

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Wed 11/12

6:30 am-4:40 pm

1 stop20h 10m

Osaka Kansai Intl

Wed 11/26

11:05 am-3:40 pm

1 stop18h 35m

$1,206

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/15

Showing 1-10 of 48 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 October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
AranGrantPrice 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.

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 October 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 35% 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 October 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
986 reviews

Entertainment

7.9

Food

7.7

Boarding

8.6

Overall

8.4

Comfort

8.2

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Julie,Sep 2025

CGK - HND

Flight attendants are nice, friendly and helpful. Highly recommend to flight with this airline.
ANA
8.4
Very good
986 reviews
ANA
8.4
Very good
986 reviews

Entertainment

7.9

Food

7.7

Boarding

8.6

Overall

8.4

Comfort

8.2

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Julie,Sep 2025

CGK - HND

Flight attendants are nice, friendly and helpful. Highly recommend to flight with this airline.

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 $1,198, Air Canada can have you in Osaka from Washington, D.C. Dulles Intl Airport in 19h 25m. 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 ($1,134), and United Airlines ($1,170) offers the cheapest pricing from Washington, D.C. Dulles Intl Airport to Osaka. ANA 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 ANA ($684), EVA Air ($924), and Korean Air ($1,114).

  • 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
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
Reagan-National to Itami flights
Baltimore 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 October 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
ANACheapest$1,134Average$1,662FlexibilityNo cancel feeOn-time80%
United AirlinesCheapest$1,170Average$1,667FlexibilityNo cancel feeOn-time69%

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