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$438+ 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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — OSA
Dec 21 — Dec 281
Sun 12/21
Sun 12/28
1 adult, Economy
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Find 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 November 21, 2025.

This Mytrip deal was found by Cheapflights users on 11/18. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/36:59 amDCA - KIX
2 stops25h 21mMultiple Airlines
Wed 12/177:50 amKIX - DCA
3 stops40h 31mMultiple Airlines
Deal found 11/18$1,039
This Air Canada deal was found by Cheapflights users on 11/19. 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 11/2011:05 amDCA - KIX
2 stops40h 35mAir Canada
Thu 11/277:25 pmKIX - DCA
2 stops34h 06mAir Canada
Deal found 11/19$1,075
This Air Canada deal was found by Cheapflights users on 11/19. 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 12/319:40 amDCA - ITM
2 stops20h 40mAir Canada
Tue 1/202:05 pmITM - DCA
2 stops21h 53mAir Canada
Deal found 11/19$1,124
This Air Canada deal was found by Cheapflights users on 11/19. 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 12/319:40 amDCA - KIX
2 stops19h 45mAir Canada
Tue 1/203:45 pmKIX - DCA
2 stops31h 10mAir Canada
Deal found 11/19$1,132
This Mytrip deal was found by Cheapflights users on 11/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/36:00 amDCA - ITM
2 stops23h 55mMultiple Airlines
Wed 12/102:40 pmITM - DCA
3 stops33h 41mMultiple Airlines
Deal found 11/20$1,171
This United Airlines deal was found by Cheapflights users on 11/19. 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.
Wed 12/317:00 amDCA - KIX
1 stop19h 40mUnited Airlines
Tue 1/206:35 pmKIX - DCA
1 stop17h 17mUnited Airlines
Deal found 11/19$1,213
This Gurufare deal was found by Cheapflights users on 11/18. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/36:45 amDCA - ITM
2 stops23h 10mJapan Airlines
Wed 12/178:30 amITM - DCA
2 stops18h 16mJapan Airlines
Deal found 11/18$1,316
This FlightHub deal was found by Cheapflights users on 11/19. 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.
Sun 12/78:36 amDCA - ITM
2 stops21h 19mJapan Airlines
Fri 2/67:25 amITM - DCA
2 stops19h 19mJapan Airlines
Deal found 11/19$1,353
This United Airlines deal was found by Cheapflights users on 11/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/37:00 amDCA - KIX
1 stop19h 40mUnited Airlines
Wed 12/176:35 pmKIX - DCA
1 stop17h 01mUnited Airlines
Deal found 11/18$1,373
This American Airlines deal was found by Cheapflights users on 11/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/36:45 amDCA - KIX
2 stops22h 05mAmerican Airlines
Wed 12/175:50 pmKIX - DCA
2 stops19h 44mAmerican Airlines
Deal found 11/18$1,378
This KAYAK deal was found by Cheapflights users on 11/19. 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.
Thu 11/278:00 amDCA - KIX
2 stops35h 55mMultiple Airlines
Fri 12/510:55 amKIX - DCA
2 stops43h 13mMultiple Airlines
Deal found 11/19$1,382
This Mytrip deal was found by Cheapflights users on 11/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/206:59 amDCA - ITM
2 stops22h 51mMultiple Airlines
Thu 11/272:40 pmITM - DCA
3 stops32h 15mMultiple Airlines
Deal found 11/19$1,402

Cheap 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 November 21, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$996
(Trip.com)

One-way from

$438
(Kiwi.com)

Popular in

June

Cheapest in

September

Average price

$1,309
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. 13% potential increase in price ($216 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($37 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
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 November 21, 2025.
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

Mon 1/5

6:00 pm-6:50 pm

2 stops34h 50m

Osaka Kansai Intl

Mon 1/12

5:50 pm-9:59 pm

2 stops42h 09m

$996

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

Wed 12/31

9:40 am-8:20 pm

2 stops20h 40m

Osaka Itami

Tue 1/20

2:05 pm-9:58 pm

2 stops21h 53m

$1,124

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

Fri 1/30

6:59 am-7:10 pm

2 stops22h 11m

Osaka Itami

Fri 2/13

2:00 pm-10:35 pm

2 stops22h 35m

$1,144

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

Wed 12/3

6:00 am-7:55 pm

2 stops23h 55m

Osaka Itami

Wed 12/10

2:40 pm-10:21 am

3 stops33h 41m

$1,171

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

Sun 4/19

9:59 am-7:50 pm

2 stops20h 51m

Osaka Itami

Wed 4/29

2:30 pm-10:33 pm

2 stops21h 03m

$1,184

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

Sun 4/19

8:30 am-6:55 pm

2 stops21h 25m

Osaka Itami

Wed 4/29

2:00 pm-7:46 pm

2 stops18h 46m

$1,198

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Mon 3/30

6:00 am-9:00 am

2 stops38h 00m

Osaka Kansai Intl

Thu 4/2

6:05 pm-12:01 pm

2 stops30h 56m

$1,204

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Wed 12/31

7:00 am-4:40 pm

1 stop19h 40m

Osaka Kansai Intl

Tue 1/20

6:35 pm-9:52 pm

1 stop17h 17m

$1,213

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

Wed 3/18

7:00 am-6:10 pm

2 stops22h 10m

Osaka Itami

Tue 4/14

12:00 pm-9:53 pm

2 stops22h 53m

$1,219

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

Mon 4/20

7:00 am-5:05 pm

2 stops21h 05m

Osaka Itami

Thu 4/30

12:00 pm-10:16 pm

2 stops23h 16m

$1,219

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

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 $1,213, Air Canada can have you in Osaka from Washington, D.C. Reagan-National Airport in 19h 40m. 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 cheapest airlines to fly from Washington, D.C. Reagan-National Airport to Osaka one-way?

    The cheapest airlines for a one-way flight from Washington, D.C. Reagan-National Airport to Osaka are Japan Airlines ($666), ANA ($688), and United Airlines ($697).

  • 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

Traveling to a place near Osaka?

Book flights to Osaka if you plan to visit one of these locations
Nara
Nishinomiya

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