HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Osaka

$544+ 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 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — OSA
jan 11 — jan 181
dom 1/11
dom 1/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Reagan-National 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 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 dezembro 12, 2025.

This United Airlines deal was found by Cheapflights users on 12/10. 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.
seg 12/295:00 pmDCA - KIX
2 stops33h 40mUnited Airlines
qui 1/86:35 pmKIX - DCA
1 stop17h 17mUnited Airlines
Deal found 12/10$1,319
This United Airlines deal was found by Cheapflights users on 12/10. 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.
seg 12/295:00 pmDCA - KIX
2 stops33h 40mUnited Airlines
sex 1/98:20 amKIX - DCA
2 stops25h 12mUnited Airlines
Deal found 12/10$1,322
This Cheapflightsfares deal was found by Cheapflights users on 12/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
seg 12/291:00 pmDCA - ITM
2 stops28h 30mANA
qui 1/88:00 amITM - DCA
2 stops17h 58mANA
Deal found 12/11$1,494
This Travelocity deal was found by Cheapflights users on 12/10. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
seg 12/291:00 pmDCA - ITM
2 stops28h 30mANA
sex 1/98:00 amITM - DCA
2 stops17h 58mANA
Deal found 12/10$1,540
This KAYAK deal was found by Cheapflights users on 12/11. 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.
dom 12/287:30 amDCA - ITM
2 stops34h 00mANA
qua 1/712:00 pmITM - DCA
2 stops37h 58mANA
Deal found 12/11$1,555
This KAYAK deal was found by Cheapflights users on 12/11. 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.
sáb 12/277:30 amDCA - ITM
2 stops34h 40mANA
qua 1/712:00 pmITM - DCA
2 stops37h 58mANA
Deal found 12/11$1,605
This Mytrip deal was found by Cheapflights users on 12/10. 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.
seg 12/298:40 pmDCA - KIX
3 stops35h 40mMultiple Airlines
qui 1/812:55 pmKIX - DCA
2 stops34h 00mMultiple Airlines
Deal found 12/10$1,864
This United Airlines deal was found by Cheapflights users on 12/11. 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.
dom 12/287:00 amDCA - KIX
1 stop19h 40mUnited Airlines
qua 1/76:35 pmKIX - DCA
1 stop17h 17mUnited Airlines
Deal found 12/11$1,868
This KAYAK deal was found by Cheapflights users on 12/11. 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.
qui 12/257:30 amDCA - ITM
2 stops21h 25mANA
qua 1/712:00 pmITM - DCA
2 stops37h 58mANA
Deal found 12/11$1,873
This KAYAK deal was found by Cheapflights users on 12/11. 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.
dom 12/287:30 amDCA - ITM
2 stops21h 25mANA
ter 1/612:00 pmITM - DCA
2 stops37h 58mANA
Deal found 12/11$1,895
This KAYAK deal was found by Cheapflights users on 12/11. 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.
ter 12/237:30 amDCA - ITM
2 stops34h 00mANA
qua 1/712:00 pmITM - DCA
2 stops37h 58mANA
Deal found 12/11$2,085
This Mytrip deal was found by Cheapflights users on 12/10. 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.
seg 12/296:00 amDCA - ITM
3 stops23h 55mMultiple Airlines
qui 1/82:40 pmITM - DCA
2 stops21h 16mMultiple Airlines
Deal found 12/10$2,101

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 dezembro 12, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$907
(Air Canada)

One-way from

$544
(FlightHub)

Popular in

June

Cheapest in

September

Average price

$1,466
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 ($212 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 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 dezembro 12, 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

qui 2/26

6:59 am-7:25 pm

2 stops22h 26m

Osaka Kansai Intl

qua 3/18

3:45 pm-10:35 pm

2 stops19h 50m

$947

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

qua 3/4

8:20 am-6:55 pm

2 stops20h 35m

Osaka Itami

qua 3/18

7:05 am-1:07 pm

2 stops19h 02m

$961

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

ter 2/17

7:00 am-4:40 pm

1 stop19h 40m

Osaka Kansai Intl

sex 2/27

6:35 pm-9:36 pm

1 stop17h 01m

$969

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

qua 3/4

7:00 am-4:40 pm

1 stop19h 40m

Osaka Kansai Intl

qua 3/18

6:35 pm-8:51 am

2 stops27h 16m

$973

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

dom 4/19

6:00 am-5:05 pm

2 stops22h 05m

Osaka Itami

qua 4/29

12:00 pm-9:06 pm

2 stops22h 06m

$975

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

ter 2/17

6:00 am-6:10 pm

2 stops22h 10m

Osaka Itami

sex 2/27

1:00 pm-8:59 pm

2 stops21h 59m

$975

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

ter 1/20

6:00 am-8:35 pm

2 stops24h 35m

Osaka Kansai Intl

ter 1/27

3:45 pm-10:35 pm

2 stops20h 50m

$979

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

sex 1/30

9:40 am-8:20 pm

2 stops20h 40m

Osaka Itami

dom 2/8

2:05 pm-7:59 pm

2 stops19h 54m

$986

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

dom 1/25

8:40 pm-7:10 pm

2 stops32h 30m

Osaka Itami

qui 1/29

4:00 pm-8:55 am

2 stops30h 55m

$1,000

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

dom 1/25

6:59 am-7:25 pm

2 stops22h 26m

Osaka Kansai Intl

qui 1/29

3:45 pm-8:55 am

2 stops31h 10m

$1,003

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 49 results
1
2
3
...
5
  • 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 $969, ANA 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 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

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.

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.