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Osaka

$479+ Cheap flights from Reagan-National (DCA) 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 4/19. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — OSA
Feb 27 — Mar 61
Fri 2/27
Fri 3/6
1 adult, Economy
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Cheap flight deals from Reagan-National to Osaka

Cheapest flights from Reagan-National to Osaka
Explore the most affordable flight options available from Reagan-National to Osaka. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 28, 2026.

This Air Canada 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 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 1/26$872
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/66:59 am
DCA
-
KIX
2 stops20h 26m
Air Canada
Thu 4/166:00 pm
KIX
-
DCA
2 stops29h 19m
Air Canada
Deal found 1/26$877
This Air Canada 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 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 1/26$914
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/86:59 am
DCA
-
KIX
2 stops20h 26m
Air Canada
Sat 4/186:00 pm
KIX
-
DCA
2 stops29h 19m
Air Canada
Deal found 1/26$919
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 1/27. 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 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 11/26:50 am
DCA
-
ITM
2 stops23h 00m
Japan Airlines
Thu 11/122:40 pm
ITM
-
DCA
2 stops21h 19m
Japan Airlines
Deal found 1/26$944
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 4/67:30 am
DCA
-
ITM
2 stops22h 40m
Japan Airlines
Thu 4/167:05 am
ITM
-
DCA
2 stops21h 39m
Japan Airlines
Deal found 1/26$969
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/199:33 am
DCA
-
ITM
2 stops21h 17m
American Airlines
Wed 4/292:35 pm
ITM
-
DCA
2 stops20h 40m
American Airlines
Deal found 1/27$976
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/239:40 am
DCA
-
ITM
2 stops20h 15m
Air Canada
Sat 10/32:00 pm
ITM
-
DCA
2 stops20h 48m
Air Canada
Deal found 1/27$1,019
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/154:20 pm
DCA
-
ITM
2 stops37h 35m
Air Canada
Tue 7/72:05 pm
ITM
-
DCA
2 stops20h 43m
Air Canada
Deal found 1/26$1,045
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/256:45 am
DCA
-
ITM
2 stops23h 10m
Japan Airlines
Wed 3/47:05 am
ITM
-
DCA
2 stops19h 39m
Japan Airlines
Deal found 1/28$1,050

Find flight deals from Reagan-National to Osaka

Discover tips and strategies to find the most affordable flight options for your journey from Reagan-National (DCA) 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 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$877
(Air Canada)

One-way from

$479
(Air Canada)

Popular in

May

Cheapest in

January

Average price

$1,072
Provider with most accurate pricing for Washington, D.C. Reagan-National-Osaka (OSA) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Reagan-National-Osaka (OSA) flights.
Search Deals
From Washington, D.C. Reagan-National to Osaka (OSA)
Search Deals
One-way flight from Washington, D.C. Reagan-National 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 Reagan-National 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 28, 2026.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Osaka that are best for you.

Fly from

Reagan-National

Fly to

Osaka

Route

Depart

Return

Price

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Wed 4/8

6:59 am-4:25 pm

2 stops20h 26m

Osaka Kansai Intl

Sat 4/18

6:00 pm-10:19 am

2 stops29h 19m

$919

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

Sun 4/19

7:00 am-6:40 pm

2 stops22h 40m

Osaka Itami

Wed 4/29

2:35 pm-10:15 pm

2 stops20h 40m

$976

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Sun 4/19

8:00 am-10:00 pm

2 stops25h 00m

Osaka Kansai Intl

Wed 4/29

6:45 am-3:44 pm

2 stops21h 59m

$1,006

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Sun 4/19

8:30 am-6:45 pm

1 stop21h 15m

Osaka Kansai Intl

Wed 4/29

5:55 pm-12:30 am

2 stops19h 35m

$1,024

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Mon 4/6

8:30 am-6:45 pm

1 stop21h 15m

Osaka Kansai Intl

Thu 4/16

6:45 am-2:40 pm

2 stops20h 55m

$1,029

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

Mon 6/15

4:20 pm-6:55 pm

2 stops37h 35m

Osaka Itami

Tue 7/7

2:00 pm-3:38 pm

2 stops38h 38m

$1,046

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

Wed 2/25

6:45 am-7:55 pm

2 stops23h 10m

Osaka Itami

Wed 3/4

7:05 am-12:44 pm

2 stops19h 39m

$1,050

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Sun 5/10

12:45 pm-4:25 pm

2 stops38h 40m

Osaka Kansai Intl

Sat 5/23

6:00 pm-12:01 pm

2 stops31h 01m

$1,054

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

Sun 5/10

3:30 pm-8:05 am

2 stops27h 35m

Osaka Itami

Sat 5/23

7:05 am-9:10 pm

2 stops27h 05m

$1,073

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

Mon 4/13

6:59 am-6:10 pm

2 stops22h 11m

Osaka Itami

Wed 4/22

12:55 pm-9:53 pm

2 stops21h 58m

$1,074

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

Showing 1-10 of 59 results
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  • Most accurate provider: When it comes to deals on Washington, D.C. Reagan-National 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. Reagan-National Airport-Osaka flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Reagan-National Airport-Osaka flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Reagan-National 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. Reagan-National 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 Reagan-National to Osaka

Have a flexible travel schedule? Discover the best time to fly to Osaka from Reagan-National 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. Reagan-National Airport to Osaka
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Reagan-National 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. Reagan-National Airport to Osaka?

    For as low as $919, Air Canada can have you in Osaka from Washington, D.C. Reagan-National Airport in 20h 26m. The distance between Washington, D.C. Reagan-National Airport and Osaka is about 6964 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

  • Can I find deals for flights from Reagan-National to Osaka that include hotel bookings?

    Yes. In addition to deals on Reagan-National to Osaka flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Reagan-National to Osaka?

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

  • Can I find deals for business class flights from Reagan-National to Osaka?

    Yes. Cheapflights offers flight deals from Reagan-National 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

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