HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Osaka

$549+ 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 7/24. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — OSA
Jun 5 — Jun 121
Fri 6/5
Fri 6/12
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Washington, D.C. to Osaka with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 May 6, 2026.

This oojo deal was found by Cheapflights users on 5/3. 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 5/3$1,151
This oojo deal was found by Cheapflights users on 5/5. 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 9/71:15 am
IAD
-
KIX
1 stop21h 55m
EVA Air
Mon 9/211:10 pm
KIX
-
IAD
1 stop21h 50m
EVA Air
Deal found 5/5$1,152
This Kiwi.com deal was found by Cheapflights users on 5/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/21:15 am
IAD
-
KIX
1 stop21h 55m
EVA Air
Wed 9/1611:10 am
KIX
-
IAD
1 stop23h 50m
EVA Air
Deal found 5/3$1,164
This oojo deal was found by Cheapflights users on 5/3. 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 5/3$1,189
This Kiwi.com deal was found by Cheapflights users on 5/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/71:15 am
IAD
-
KIX
1 stop21h 55m
EVA Air
Sat 9/191:10 pm
KIX
-
IAD
1 stop21h 50m
EVA Air
Deal found 5/3$1,202
This KAYAK deal was found by Cheapflights users on 5/3. 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 9/21:15 am
IAD
-
KIX
1 stop21h 55m
EVA Air
Tue 9/156:30 pm
KIX
-
IAD
1 stop40h 30m
EVA Air
Deal found 5/3$1,204
This oojo deal was found by Cheapflights users on 5/3. 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.
Sat 9/51:15 am
IAD
-
KIX
1 stop21h 55m
EVA Air
Thu 9/176:30 pm
KIX
-
IAD
1 stop40h 30m
EVA Air
Deal found 5/3$1,227
This oojo deal was found by Cheapflights users on 5/1. 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.
Sat 9/51:15 am
IAD
-
KIX
1 stop21h 55m
EVA Air
Sat 9/191:10 pm
KIX
-
IAD
1 stop21h 50m
EVA Air
Deal found 5/1$1,228
This FlightHub deal was found by Cheapflights users on 5/2. 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.
Mon 9/285:54 pm
IAD
-
UKB
2 stops27h 06m
Multiple Airlines
Mon 10/511:00 am
UKB
-
IAD
1 stop24h 00m
Multiple Airlines
Deal found 5/2$1,236
This FlightHub deal was found by Cheapflights users on 5/5. 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 10/109:35 am
IAD
-
UKB
2 stops35h 25m
Multiple Airlines
Wed 10/2111:00 am
UKB
-
IAD
1 stop24h 00m
Multiple Airlines
Deal found 5/5$1,291
This Justfly.com deal was found by Cheapflights users on 5/4. 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.
Sun 11/16:11 pm
BWI
-
KIX
2 stops27h 24m
Multiple Airlines
Sun 11/157:00 pm
KIX
-
BWI
2 stops25h 21m
Multiple Airlines
Deal found 5/4$1,292
This FlightHub deal was found by Cheapflights users on 5/5. 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.
Mon 11/236:11 pm
BWI
-
KIX
2 stops29h 09m
Multiple Airlines
Mon 12/72:30 pm
KIX
-
BWI
2 stops29h 51m
Multiple Airlines
Deal found 5/5$1,295

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 May 6, 2026.

Most accurate provider

Ovago
3 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$1,151
(oojo)

One-way from

$549
(Kiwi.com)

Popular in

May

Cheapest in

January

Average price

$1,606
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. 13% potential increase in price ($199 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($25 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 May 6, 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 10/11

6:12 pm-10:10 am

2 stops26h 58m

Osaka Kansai Intl

Fri 10/16

1:10 pm-11:50 am

3 stops35h 40m

$1,719

BaltimoreOsaka

BWI - KIX

BWIKIX

Baltimore/Washington

Sun 10/4

7:00 am-10:40 pm

2 stops26h 40m

Osaka Kansai Intl

Wed 12/2

2:15 am-12:27 pm

2 stops24h 12m

$1,723

BaltimoreOsaka

BWI - ITM

BWIITM

Baltimore/Washington

Sun 9/6

6:59 pm-5:05 pm

2 stops33h 06m

Osaka Itami

Tue 9/15

12:50 pm-9:28 pm

2 stops21h 38m

$1,759

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Sun 5/10

6:00 am-2:50 pm

3 stops43h 50m

Osaka Kansai Intl

Sat 5/23

9:05 am-11:59 pm

2 stops27h 54m

$1,764

BaltimoreOsaka

BWI - KIX

BWIKIX

Baltimore/Washington

Sun 8/16

5:45 pm-2:50 pm

2 stops32h 05m

Osaka Kansai Intl

Sat 8/22

4:55 pm-7:13 am

1 stop27h 18m

$1,787

BaltimoreOsaka

BWI - ITM

BWIITM

Baltimore/Washington

Thu 5/28

6:38 am-5:05 pm

2 stops21h 27m

Osaka Itami

Fri 6/26

12:50 pm-9:26 pm

2 stops21h 36m

$1,887

BaltimoreOsaka

BWI - KIX

BWIKIX

Baltimore/Washington

Tue 9/8

8:00 am-2:50 pm

1 stop41h 50m

Osaka Kansai Intl

Mon 9/21

9:20 am-12:43 am

2 stops28h 23m

$1,892

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Tue 5/26

10:21 pm-2:50 pm

1 stop27h 29m

Osaka Kansai Intl

Tue 6/9

4:55 pm-10:16 pm

1 stop18h 21m

$1,903

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

Tue 5/26

9:35 am-7:50 pm

2 stops21h 15m

Osaka Itami

Tue 6/9

7:25 am-4:30 pm

2 stops22h 05m

$1,909

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Mon 6/15

6:00 am-6:40 am

2 stops35h 40m

Osaka Kansai Intl

Fri 6/26

4:15 pm-9:00 pm

3 stops41h 45m

$1,911

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/6

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

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 May.
ProviderPrice AccuracyTrust Score*
OvagoPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
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.-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

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 3 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 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?

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 May 6, 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
1,809 reviews

Boarding

8.4

Comfort

8.2

Overall

8.3

Entertainment

7.8

Crew

8.7

Food

7.7

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
1,809 reviews
Japan Airlines
8.3
Very good
1,809 reviews

Boarding

8.4

Comfort

8.2

Overall

8.3

Entertainment

7.8

Crew

8.7

Food

7.7

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
1,207 reviews
Japan Airlines
8.3
Very good
1,809 reviews

Boarding

8.4

Comfort

8.2

Overall

8.3

Entertainment

7.8

Crew

8.7

Food

7.7

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
9,687 reviews
Japan Airlines
8.3
Very good
1,809 reviews

Boarding

8.4

Comfort

8.2

Overall

8.3

Entertainment

7.8

Crew

8.7

Food

7.7

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
11,003 reviews
Japan Airlines
8.3
Very good
1,809 reviews

Boarding

8.4

Comfort

8.2

Overall

8.3

Entertainment

7.8

Crew

8.7

Food

7.7

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 ANA, United Airlines, and Cathay Pacific fly from Washington, D.C. to Osaka in about 24h 35m. The time it takes to get you to your destination can typically vary by up to 19h 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 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. 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 May 6, 2026.
AirlineCheapestAverageFlexibilityOn-time
ANACheapest$964Average$1,279FlexibilityNo cancel feeOn-time80%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2026 Cheapflights