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$520+ Cheap flights from Washington, D.C. (WAS) 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 8/25. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — OSA
Jul 17 — Jul 241
Fri 7/17
Fri 7/24
1 adult, Economy
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Cheap flight deals from Washington, D.C. to Osaka

Cheapest flights from Washington, D.C. to Osaka
Explore the most affordable flight options available from Washington, D.C. to Osaka. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 17, 2026.

This United Airlines deal was found by Cheapflights users on 6/12. 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.
Sun 11/156:00 pm
BWI
-
KIX
2 stops32h 45m
United Airlines
Tue 11/246:35 pm
KIX
-
BWI
1 stop25h 17m
United Airlines
Deal found 6/12$936
This KAYAK deal was found by Cheapflights users on 6/12. 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 11/156:31 pm
BWI
-
KIX
1 stop32h 14m
ANA
Tue 11/246:35 pm
KIX
-
BWI
1 stop25h 17m
ANA
Deal found 6/12$946
This Orbitz deal was found by Cheapflights users on 6/12. 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.
Sun 11/156:15 am
BWI
-
ITM
2 stops35h 15m
ANA
Tue 11/242:00 pm
ITM
-
BWI
2 stops20h 57m
ANA
Deal found 6/12$958
This United Airlines deal was found by Cheapflights users on 6/17. 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 12/16:15 am
BWI
-
KIX
1 stop20h 30m
United Airlines
Sat 12/126:35 pm
KIX
-
BWI
1 stop25h 17m
United Airlines
Deal found 6/17$1,031
This United Airlines deal was found by Cheapflights users on 6/14. 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 9/15:39 pm
BWI
-
KIX
2 stops32h 11m
United Airlines
Sun 9/134:55 pm
KIX
-
BWI
2 stops26h 51m
United Airlines
Deal found 6/14$1,036
This KAYAK deal was found by Cheapflights users on 6/14. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/15:39 pm
BWI
-
KIX
2 stops32h 11m
ANA
Sun 9/134:55 pm
KIX
-
BWI
1 stop27h 20m
ANA
Deal found 6/14$1,045
This Expedia deal was found by Cheapflights users on 6/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/18:15 am
BWI
-
ITM
2 stops20h 40m
ANA
Sat 12/123:00 pm
ITM
-
BWI
2 stops19h 57m
ANA
Deal found 6/17$1,052
This oojo deal was found by Cheapflights users on 6/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/311:50 am
IAD
-
UKB
1 stop27h 10m
EVA Air
Sun 9/137:00 pm
UKB
-
IAD
1 stop40h 00m
EVA Air
Deal found 6/14$1,136
This oojo deal was found by Cheapflights users on 6/12. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/281:15 am
IAD
-
KIX
1 stop21h 55m
EVA Air
Sun 10/46:30 pm
KIX
-
IAD
1 stop40h 30m
EVA Air
Deal found 6/12$1,141
This KAYAK deal was found by Cheapflights users on 6/15. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/96:15 am
BWI
-
KIX
1 stop20h 30m
ANA
Thu 11/196:45 am
KIX
-
BWI
2 stops21h 12m
ANA
Deal found 6/15$1,174
This KAYAK deal was found by Cheapflights users on 6/12. 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 11/155:45 pm
DCA
-
ITM
2 stops33h 50m
Japan Airlines
Tue 11/242:40 pm
ITM
-
DCA
2 stops18h 14m
Japan Airlines
Deal found 6/12$1,183
This oojo deal was found by Cheapflights users on 6/16. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/181:15 am
IAD
-
KIX
1 stop21h 55m
EVA Air
Sun 10/46:30 pm
KIX
-
IAD
1 stop40h 30m
EVA Air
Deal found 6/16$1,183

Find flight deals from Washington, D.C. to Osaka

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) 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 June 17, 2026.

Most accurate provider

Ovago
3 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$936
(United Airlines)

One-way from

$520
(Kiwi.com)

Popular in

May

Cheapest in

January

Average price

$1,483
Provider with most accurate pricing for Washington, D.C. (WAS)-Osaka (OSA) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Osaka (OSA) flights.
Search Deals
From Washington, D.C. (WAS) to Osaka (OSA)
Search Deals
One-way flight from Washington, D.C. (WAS) to Osaka (OSA)
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($190 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. 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 June 17, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Osaka that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BaltimoreOsaka

BWI - KIX

BWIKIX

Baltimore/Washington

Sun 11/15

7:10 pm-4:45 pm

2 stops31h 35m

Osaka Kansai Intl

Tue 11/24

6:35 pm-7:01 am

2 stops26h 26m

$936

BaltimoreOsaka

BWI - ITM

BWIITM

Baltimore/Washington

Sun 11/15

6:15 am-7:30 am

2 stops35h 15m

Osaka Itami

Tue 11/24

2:00 pm-8:57 pm

2 stops20h 57m

$958

BaltimoreOsaka

BWI - KIX

BWIKIX

Baltimore/Washington

Tue 12/1

6:15 am-4:45 pm

1 stop20h 30m

Osaka Kansai Intl

Sat 12/12

6:35 pm-5:52 am

1 stop25h 17m

$1,031

BaltimoreOsaka

BWI - ITM

BWIITM

Baltimore/Washington

Tue 12/1

8:15 am-6:55 pm

2 stops20h 40m

Osaka Itami

Sat 12/12

3:00 pm-8:57 pm

2 stops19h 57m

$1,052

Washington, D.C.Kobe

IAD - UKB

IADUKB

Washington, D.C. Dulles Intl

Mon 11/9

11:50 am-5:40 pm

1 stop39h 50m

Kobe

Thu 11/19

6:40 pm-9:50 am

1 stop29h 10m

$1,235

BaltimoreOsaka

BWI - ITM

BWIITM

Baltimore/Washington

Sun 9/20

6:00 am-8:35 pm

2 stops25h 35m

Osaka Itami

Sun 9/27

8:00 am-9:02 pm

2 stops26h 02m

$1,237

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Fri 9/11

1:15 am-12:10 pm

1 stop21h 55m

Osaka Kansai Intl

Wed 9/16

11:10 am-10:00 pm

1 stop23h 50m

$1,244

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Sun 9/6

1:15 pm-10:40 pm

1 stop20h 25m

Osaka Kansai Intl

Sat 9/19

12:35 pm-11:05 am

1 stop35h 30m

$1,287

Washington, D.C.Kobe

IAD - UKB

IADUKB

Washington, D.C. Dulles Intl

Wed 8/26

1:50 am-6:00 pm

1 stop27h 10m

Kobe

Mon 8/31

11:00 am-10:30 pm

1 stop24h 30m

$1,299

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Sun 9/6

10:10 am-10:40 pm

2 stops23h 30m

Osaka Kansai Intl

Sat 9/19

6:15 pm-4:48 pm

2 stops35h 33m

$1,304

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/16

Showing 1-10 of 60 resultsSorted by cheapest first
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Compare providers for flights from Washington, D.C. 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 Washington, D.C. to Osaka in June.
ProviderPrice AccuracyTrust Score*
OvagoPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice 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.-Osaka flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Washington, D.C.-Osaka flight deals on Cheapflights vs. Ovago >95% of the time. Price accuracy is based on data collected from Washington, D.C.-Osaka flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C.-Osaka flights, Cheapflights users trust Ovago the most. Ovago 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.-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 Washington, D.C. to Osaka

Have a flexible travel schedule? Discover the best time to fly to Osaka from Washington, D.C. 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. to Osaka

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

Currently, October is the cheapest month in which you can book a flight from Washington, D.C. to Osaka (average of $178). Flying from Washington, D.C. to Osaka in May is currently the most expensive (average of $1,179). 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.

How much does it cost to fly round-trip from Washington, D.C. to Osaka?

How far ahead should I book a flight from Washington, D.C. to Osaka?

To ensure you get the cheapest price possible for a flight from Washington, D.C. to Osaka, you should look to book at least 8 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 June 17, 2026.
Read reviews from past customers who have flown Japan Airlines,ANA, andUnited Airlines from Washington, D.C. to Osaka. 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.
Japan Airlines
8.3
Very good
1,839 reviews

Crew

8.7

Entertainment

7.8

Overall

8.3

Food

7.7

Comfort

8.2

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

BKK - NRT

Everything was was a great experience, the staff was very friendly and always had a smile on the face.
Japan Airlines
8.3
Very good
1,839 reviews
Japan Airlines
8.3
Very good
1,839 reviews

Crew

8.7

Entertainment

7.8

Overall

8.3

Food

7.7

Comfort

8.2

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

BKK - NRT

Everything was was a great experience, the staff was very friendly and always had a smile on the face.
ANA
8.3
Very good
1,239 reviews
Japan Airlines
8.3
Very good
1,839 reviews

Crew

8.7

Entertainment

7.8

Overall

8.3

Food

7.7

Comfort

8.2

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

BKK - NRT

Everything was was a great experience, the staff was very friendly and always had a smile on the face.
United Airlines
7.4
Good
9,848 reviews
Japan Airlines
8.3
Very good
1,839 reviews

Crew

8.7

Entertainment

7.8

Overall

8.3

Food

7.7

Comfort

8.2

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

BKK - NRT

Everything was was a great experience, the staff was very friendly and always had a smile on the face.
Air Canada
7.1
Good
11,200 reviews
Japan Airlines
8.3
Very good
1,839 reviews

Crew

8.7

Entertainment

7.8

Overall

8.3

Food

7.7

Comfort

8.2

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

BKK - NRT

Everything was was a great experience, the staff was very friendly and always had a smile on the face.

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. 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. to Osaka?

    Airlines like United Airlines, ANA, and Korean Air fly from Washington, D.C. to Osaka in about 31h 35m. The time it takes to get you to your destination can typically vary by up to 8h 15m. The distance between Washington, D.C. and Osaka is about 6953 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What is the cheapest airline to fly from Washington, D.C. to Osaka round-trip?

    Cheapflights users have booked flights from Washington, D.C. to Osaka round-trip from $964. Users have found that ANA is 29% cheaper than the other options available to this destination.

  • What are the most popular routes from Washington, D.C. to Osaka?

    When deciding which route to take from Washington, D.C. to Osaka consider Washington, D.C. Dulles Intl - Osaka Kansai Intl, Washington, D.C. Reagan-National - Osaka Kansai Intl or Washington, D.C. Dulles Intl - Osaka Itami as they are the most popular.

  • Can I find deals for flights from Washington, D.C. to Osaka that include hotel bookings?

    Yes. In addition to deals on Washington, D.C. to Osaka flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington, D.C. to Osaka?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Osaka.

  • Can I find deals for business class flights from Washington, D.C. to Osaka?

    Yes. Cheapflights offers flight deals from Washington, D.C. 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. to Osaka?

    Currently, October is the cheapest month in which you can book a flight from Washington, D.C. to Osaka (average of $178). Flying from Washington, D.C. to Osaka in May is currently the most expensive (average of $1,179). 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

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Top airline flying from Washington, D.C. to Osaka

Discover the top airline that operate flights from Washington, D.C. 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 June 17, 2026.
AirlineCheapestAverageFlexibilityOn-time
ANACheapest$964Average$1,230FlexibilityNo cancel feeOn-time80%

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