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$484+ 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 7/14. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — OSA
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
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 January 29, 2026.

This KAYAK deal was found by Cheapflights users on 1/26. 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 2/166:30 am
BWI
-
KIX
2 stops37h 45m
ANA
Mon 2/239:10 pm
KIX
-
BWI
2 stops30h 51m
ANA
Deal found 1/26$864
This KAYAK deal was found by Cheapflights users on 1/26. 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 2/166:30 am
BWI
-
ITM
2 stops22h 25m
ANA
Mon 2/237:00 pm
ITM
-
BWI
2 stops33h 01m
ANA
Deal found 1/26$866
This Air Canada deal was found by Cheapflights users on 1/28. 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.
Mon 11/26:00 am
DCA
-
KIX
2 stops21h 40m
Air Canada
Thu 11/127:25 pm
KIX
-
DCA
2 stops28h 56m
Air Canada
Deal found 1/28$874
This FlightHub deal was found by Cheapflights users on 1/26. 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 4/610:08 pm
IAD
-
KIX
2 stops53h 17m
Air Canada
Thu 4/166:00 pm
KIX
-
IAD
2 stops30h 23m
Air Canada
Deal found 1/26$888
This Air Canada deal was found by Cheapflights users on 1/27. 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.
Sun 9/64:20 pm
DCA
-
KIX
2 stops35h 05m
Air Canada
Sat 9/196:05 pm
KIX
-
DCA
2 stops29h 13m
Air Canada
Deal found 1/27$915
This Air Canada deal was found by Cheapflights users on 1/27. 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 9/238:40 pm
DCA
-
KIX
1 stop30h 45m
Air Canada
Sat 10/36:05 pm
KIX
-
DCA
2 stops29h 13m
Air Canada
Deal found 1/27$920
This Air Canada deal was found by Cheapflights users on 1/28. 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 10/19:55 am
IAD
-
KIX
1 stop17h 30m
Air Canada
Thu 10/297:25 pm
KIX
-
IAD
2 stops38h 29m
Air Canada
Deal found 1/28$920
This Air Canada deal was found by Cheapflights users on 1/28. 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 9/246:00 am
DCA
-
KIX
2 stops21h 25m
Air Canada
Tue 10/66:05 pm
KIX
-
DCA
2 stops29h 13m
Air Canada
Deal found 1/28$924
This Air Canada deal was found by Cheapflights users on 1/27. 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.
Sat 9/264:30 pm
DCA
-
KIX
2 stops34h 55m
Air Canada
Sun 10/46:05 pm
KIX
-
DCA
1 stop27h 47m
Air Canada
Deal found 1/27$925
This Gotogate deal was found by Cheapflights users on 1/27. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/189:45 am
IAD
-
KIX
2 stops22h 15m
Multiple Airlines
Thu 10/226:05 pm
KIX
-
IAD
2 stops37h 51m
Multiple Airlines
Deal found 1/27$925
This United Airlines deal was found by Cheapflights users on 1/28. 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.
Sat 2/214:10 pm
BWI
-
KIX
2 stops34h 30m
United Airlines
Tue 3/106:35 pm
KIX
-
BWI
1 stop25h 44m
United Airlines
Deal found 1/28$927
This Air Canada deal was found by Cheapflights users on 1/28. 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 4/2210:08 pm
IAD
-
KIX
2 stops53h 17m
Air Canada
Sat 5/26:00 pm
KIX
-
IAD
2 stops30h 17m
Air Canada
Deal found 1/28$927

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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$864
(KAYAK)

One-way from

$484
(Air Canada)

Popular in

May

Cheapest in

January

Average price

$1,072
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. 14% potential increase in price ($235 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 January 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 January 29, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Osaka that are best for you.

Fly from

Washington, D.C.

Fly to

Osaka

Route

Depart

Return

Price

BaltimoreOsaka

BWI - ITM

BWIITM

Baltimore/Washington

Mon 2/16

6:30 am-6:55 pm

2 stops22h 25m

Osaka Itami

Mon 2/23

7:00 pm-2:01 pm

2 stops33h 01m

$866

BaltimoreOsaka

BWI - KIX

BWIKIX

Baltimore/Washington

Sat 2/21

5:20 pm-4:40 pm

2 stops33h 20m

Osaka Kansai Intl

Thu 3/12

6:35 pm-7:19 am

1 stop25h 44m

$927

BaltimoreOsaka

BWI - KIX

BWIKIX

Baltimore/Washington

Mon 2/23

6:08 pm-4:40 pm

2 stops32h 32m

Osaka Kansai Intl

Wed 3/11

6:35 pm-7:19 am

1 stop25h 44m

$927

BaltimoreOsaka

BWI - KIX

BWIKIX

Baltimore/Washington

Tue 2/24

5:20 pm-4:40 pm

2 stops33h 20m

Osaka Kansai Intl

Thu 3/12

6:35 pm-5:05 am

2 stops23h 30m

$927

BaltimoreOsaka

BWI - KIX

BWIKIX

Baltimore/Washington

Mon 2/23

6:08 pm-4:40 pm

2 stops32h 32m

Osaka Kansai Intl

Tue 3/10

6:35 pm-7:19 am

1 stop25h 44m

$927

BaltimoreOsaka

BWI - KIX

BWIKIX

Baltimore/Washington

Sat 2/21

4:10 pm-4:40 pm

2 stops34h 30m

Osaka Kansai Intl

Tue 3/10

6:35 pm-7:19 am

1 stop25h 44m

$927

BaltimoreOsaka

BWI - KIX

BWIKIX

Baltimore/Washington

Sun 2/22

6:08 pm-4:40 pm

2 stops32h 32m

Osaka Kansai Intl

Wed 3/11

6:35 pm-7:19 am

1 stop25h 44m

$927

BaltimoreOsaka

BWI - KIX

BWIKIX

Baltimore/Washington

Tue 2/24

5:20 pm-4:40 pm

2 stops33h 20m

Osaka Kansai Intl

Tue 3/10

6:35 pm-7:19 am

1 stop25h 44m

$927

BaltimoreOsaka

BWI - ITM

BWIITM

Baltimore/Washington

Sun 2/22

6:30 am-6:55 pm

2 stops22h 25m

Osaka Itami

Tue 4/28

8:00 am-2:32 pm

2 stops19h 32m

$949

BaltimoreOsaka

BWI - ITM

BWIITM

Baltimore/Washington

Mon 2/23

6:30 am-6:55 pm

2 stops22h 25m

Osaka Itami

Tue 4/28

7:30 am-2:32 pm

2 stops20h 02m

$949

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 60 results
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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 January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
OvagoPrice Accuracy2 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 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 January 23, 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 68 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, September is the cheapest month in which you can book a flight from Washington, D.C. to Osaka (average of $106). Flying from Washington, D.C. to Osaka in May is currently the most expensive (average of $1,425). 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 January 29, 2026.
Read reviews from past customers who have flown ANA, Japan Airlines, and United 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
1,078 reviews

Food

7.7

Boarding

8.5

Comfort

8.2

Overall

8.4

Crew

8.7

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Lindsey,Jan 2026

CGK - HND

All of the flight attendants were very nice & attentive. The bathrooms were kept very clean. We have no complaints!
ANA
8.4
Very good
1,078 reviews
ANA
8.4
Very good
1,078 reviews

Food

7.7

Boarding

8.5

Comfort

8.2

Overall

8.4

Crew

8.7

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Lindsey,Jan 2026

CGK - HND

All of the flight attendants were very nice & attentive. The bathrooms were kept very clean. We have no complaints!
Japan Airlines
8.3
Very good
1,691 reviews
ANA
8.4
Very good
1,078 reviews

Food

7.7

Boarding

8.5

Comfort

8.2

Overall

8.4

Crew

8.7

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Lindsey,Jan 2026

CGK - HND

All of the flight attendants were very nice & attentive. The bathrooms were kept very clean. We have no complaints!
United Airlines
7.4
Good
9,215 reviews
ANA
8.4
Very good
1,078 reviews

Food

7.7

Boarding

8.5

Comfort

8.2

Overall

8.4

Crew

8.7

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Lindsey,Jan 2026

CGK - HND

All of the flight attendants were very nice & attentive. The bathrooms were kept very clean. We have no complaints!
American Airlines
7.2
Good
11,206 reviews
ANA
8.4
Very good
1,078 reviews

Food

7.7

Boarding

8.5

Comfort

8.2

Overall

8.4

Crew

8.7

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Lindsey,Jan 2026

CGK - HND

All of the flight attendants were very nice & attentive. The bathrooms were kept very clean. We have no complaints!
Air Canada
7.1
Good
10,667 reviews
ANA
8.4
Very good
1,078 reviews

Food

7.7

Boarding

8.5

Comfort

8.2

Overall

8.4

Crew

8.7

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Lindsey,Jan 2026

CGK - HND

All of the flight attendants were very nice & attentive. The bathrooms were kept very clean. We have no complaints!

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 Japan Airlines fly from Washington, D.C. to Osaka in about 21h 30m. The time it takes to get you to your destination can typically vary by up to 11h 50m. The distance between Washington, D.C. and Osaka is about 6937 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 28% 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 Baltimore/Washington - 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, September is the cheapest month in which you can book a flight from Washington, D.C. to Osaka (average of $106). Flying from Washington, D.C. to Osaka in May is currently the most expensive (average of $1,425). 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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Alternative routes for Washington, D.C. 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 Osaka Itami flights
Reagan-National to Kansai Intl flights
Reagan-National to Osaka Itami flights

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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$157Average$1,306FlexibilityNo cancel feeOn-time69%
ANACheapest$964Average$1,678FlexibilityNo cancel feeOn-time80%

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