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$474+ 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 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — OSA
Apr 21 — Apr 281
Tue 4/21
Tue 4/28
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 March 22, 2026.

This oojo deal was found by Cheapflights users on 3/17. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/251:15 am
IAD
-
KIX
1 stop21h 55m
EVA Air
Sun 10/46:30 pm
KIX
-
IAD
1 stop40h 30m
EVA Air
Deal found 3/17$918
This oojo deal was found by Cheapflights users on 3/20. 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 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 3/20$923
This oojo deal was found by Cheapflights users on 3/18. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/311:50 am
IAD
-
KIX
1 stop21h 20m
EVA Air
Wed 9/301:10 pm
KIX
-
IAD
1 stop21h 50m
EVA Air
Deal found 3/18$925
This SmartFares deal was found by Cheapflights users on 3/21. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/301:15 am
IAD
-
KIX
1 stop21h 55m
EVA Air
Wed 10/141:10 pm
KIX
-
IAD
1 stop21h 50m
EVA Air
Deal found 3/21$931
This oojo deal was found by Cheapflights users on 3/18. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/311:50 am
IAD
-
KIX
1 stop21h 20m
EVA Air
Thu 9/176:30 pm
KIX
-
IAD
1 stop40h 30m
EVA Air
Deal found 3/18$964
This Delta deal was found by Cheapflights users on 3/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/108:00 am
DCA
-
KIX
2 stops25h 40m
Delta
Mon 5/182:15 am
KIX
-
DCA
2 stops25h 44m
Delta
Deal found 3/21$1,002
This Delta deal was found by Cheapflights users on 3/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/108:05 am
IAD
-
KIX
2 stops25h 35m
Delta
Mon 5/182:15 am
KIX
-
IAD
2 stops27h 21m
Delta
Deal found 3/21$1,002
This FlightHub deal was found by Cheapflights users on 3/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/51:15 am
IAD
-
KIX
1 stop27h 00m
EVA Air
Sat 9/191:10 pm
KIX
-
IAD
1 stop21h 50m
EVA Air
Deal found 3/20$1,006
This KAYAK deal was found by Cheapflights users on 3/18. 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.
Wed 10/281:15 am
IAD
-
KIX
1 stop26h 40m
EVA Air
Mon 11/910:55 am
KIX
-
IAD
1 stop24h 00m
EVA Air
Deal found 3/18$1,025
This FlightHub deal was found by Cheapflights users on 3/17. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/265:38 pm
IAD
-
KIX
2 stops29h 32m
Multiple Airlines
Sun 10/46:30 pm
KIX
-
IAD
1 stop40h 30m
Multiple Airlines
Deal found 3/17$1,029
This FlightHub deal was found by Cheapflights users on 3/18. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/295:38 pm
IAD
-
KIX
2 stops27h 32m
Multiple Airlines
Sun 10/46:30 pm
KIX
-
IAD
1 stop40h 30m
Multiple Airlines
Deal found 3/18$1,037
This Air Canada deal was found by Cheapflights users on 3/20. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/226:59 am
DCA
-
KIX
1 stop20h 26m
Air Canada
Thu 10/86:00 pm
KIX
-
DCA
2 stops29h 20m
Air Canada
Deal found 3/20$1,048

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 March 22, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$925
(oojo)

One-way from

$474
(Kiwi.com)

Popular in

May

Cheapest in

January

Average price

$1,288
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 ($199 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 March 22, 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

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Sun 5/10

8:00 am-10:40 pm

2 stops25h 40m

Osaka Kansai Intl

Mon 5/18

2:15 am-2:59 pm

2 stops25h 44m

$1,002

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Sun 5/10

8:05 am-10:40 pm

2 stops25h 35m

Osaka Kansai Intl

Mon 5/18

2:15 am-4:36 pm

2 stops27h 21m

$1,002

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Sun 5/10

8:00 am-10:40 pm

2 stops25h 40m

Osaka Kansai Intl

Fri 5/22

2:15 am-7:45 pm

2 stops30h 30m

$1,052

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Sun 5/10

6:08 am-10:40 pm

2 stops27h 32m

Osaka Kansai Intl

Fri 5/22

2:15 am-6:48 pm

2 stops29h 33m

$1,052

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Sat 5/2

10:10 am-10:40 pm

2 stops23h 30m

Osaka Kansai Intl

Fri 5/8

2:15 am-5:05 pm

2 stops27h 50m

$1,102

BaltimoreOsaka

BWI - KIX

BWIKIX

Baltimore/Washington

Sun 5/10

8:00 am-10:40 pm

2 stops25h 40m

Osaka Kansai Intl

Mon 5/18

2:15 am-3:46 pm

2 stops26h 31m

$1,202

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

Sun 8/16

12:40 pm-5:05 pm

3 stops39h 25m

Osaka Itami

Wed 8/26

12:50 pm-3:55 pm

3 stops40h 05m

$1,290

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

Mon 8/17

3:30 pm-5:05 pm

2 stops36h 35m

Osaka Itami

Wed 8/26

12:50 pm-5:48 pm

3 stops41h 58m

$1,290

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Tue 7/14

12:40 pm-4:25 pm

2 stops38h 45m

Osaka Kansai Intl

Thu 7/23

6:00 pm-12:00 pm

2 stops31h 00m

$1,327

Washington, D.C.Kobe

IAD - UKB

IADUKB

Washington, D.C. Dulles Intl

Sun 5/3

7:20 pm-10:30 am

2 stops26h 10m

Kobe

Sun 5/10

11:40 am-5:50 am

2 stops31h 10m

$1,351

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/19

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 March.
ProviderPrice AccuracyTrust Score*
OvagoPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C.-Osaka flight deals on Cheapflights vs. FlightHub >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 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.-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

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

Use this chart to determine the optimal time to book a round-trip flight from Washington, D.C. to Osaka. Price data was last updated on March 13, 2026.

To ensure you get the cheapest price possible for a flight from Washington, D.C. to Osaka, you should look to book at least 7 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.

What’s the top layover airport for flights from Washington, D.C. to Osaka?

Share of 1-stop round-trip flights from Washington, D.C. to Osaka chosen by Cheapflights users in the past 12 months, using the same layover each way.

Hong Kong (HKG) – chosen by Cheapflights users on 50% of 1-stop itineraries from Washington, D.C. to Osaka on Cheapflights.

What’s the cheapest layover airport for flights from Washington, D.C. to Osaka?

Average round-trip fare for 1-stop flights from Washington, D.C. to Osaka, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Hong Kong (HKG) is the most affordable 1-stop option, with an average round-trip price of $755.

What’s the fastest layover option from Washington, D.C. to Osaka?

Shortest average travel time for 1-stop one-way flights from Washington, D.C. to Osaka, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Tokyo (HND) have the shortest average one-way travel time for 1-stop routes: 17h 05m.

Which airport typically offers the quickest layover for flights from Washington, D.C. to Osaka?

Average layover duration for 1-stop one-way flights from Washington, D.C. to Osaka, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Tokyo (HND) offer the fastest connection on this route, with an average layover time of 1h 33m.

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 March 22, 2026.
Read reviews from past customers who have flown ANA,Japan Airlines, 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.
ANA
8.4
Very good
1,140 reviews

Food

7.8

Boarding

8.6

Overall

8.4

Comfort

8.2

Entertainment

8.0

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Feb 2026

BKK - NRT

Really enjoyed fly with ANA for our first time. Thank you!
ANA
8.4
Very good
1,140 reviews
ANA
8.4
Very good
1,140 reviews

Food

7.8

Boarding

8.6

Overall

8.4

Comfort

8.2

Entertainment

8.0

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Feb 2026

BKK - NRT

Really enjoyed fly with ANA for our first time. Thank you!
Japan Airlines
8.3
Very good
1,748 reviews
ANA
8.4
Very good
1,140 reviews

Food

7.8

Boarding

8.6

Overall

8.4

Comfort

8.2

Entertainment

8.0

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Feb 2026

BKK - NRT

Really enjoyed fly with ANA for our first time. Thank you!
United Airlines
7.4
Good
9,462 reviews
ANA
8.4
Very good
1,140 reviews

Food

7.8

Boarding

8.6

Overall

8.4

Comfort

8.2

Entertainment

8.0

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Feb 2026

BKK - NRT

Really enjoyed fly with ANA for our first time. Thank you!
Air Canada
7.1
Good
10,835 reviews
ANA
8.4
Very good
1,140 reviews

Food

7.8

Boarding

8.6

Overall

8.4

Comfort

8.2

Entertainment

8.0

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Feb 2026

BKK - NRT

Really enjoyed fly with ANA for our first time. Thank you!

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 Delta, United Airlines, and STARLUX Airlines fly from Washington, D.C. to Osaka in about 25h 40m. The time it takes to get you to your destination can typically vary by up to 13h 45m. The distance between Washington, D.C. and Osaka is about 6964 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Washington, D.C. to Osaka round-trip?

    Cheapflights users have booked flights from Washington, D.C. to Osaka round-trip from $964. Another airline that can offer you cheap pricing is United Airlines. Users have found that ANA is 27% 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. Dulles Intl - Osaka Itami or Washington, D.C. Reagan-National - Osaka Kansai Intl 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.

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 2 airlines flying from Washington, D.C. to Osaka

Discover the top 2 airlines 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 March 22, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$157Average$1,130FlexibilityNo cancel feeOn-time69%
ANACheapest$964Average$1,377FlexibilityNo cancel feeOn-time80%

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