Osaka

$488+ 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 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — OSA
nov. 19 — nov. 261
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.

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 octubre 20, 2025.

This Trip.com deal was found by Cheapflights users on 10/20. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/49:59 amDCA - KIX
2 stops32h 41mMultiple Airlines
jue. 12/119:00 amKIX - DCA
2 stops25h 00mMultiple Airlines
Deal found 10/20$1,011
This Trip.com deal was found by Cheapflights users on 10/18. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/29:59 amDCA - KIX
2 stops32h 41mMultiple Airlines
mar. 12/99:00 amKIX - DCA
2 stops25h 00mMultiple Airlines
Deal found 10/18$1,060
This Trip.com deal was found by Cheapflights users on 10/18. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/285:00 pmDCA - KIX
2 stops39h 40mMultiple Airlines
mar. 11/42:50 pmKIX - DCA
2 stops45h 09mMultiple Airlines
Deal found 10/18$1,096
This Air Canada deal was found by Cheapflights users on 10/18. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/29:40 amDCA - ITM
2 stops20h 40mAir Canada
mar. 12/92:05 pmITM - DCA
2 stops21h 51mAir Canada
Deal found 10/18$1,100
This Trip.com deal was found by Cheapflights users on 10/18. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/285:00 pmDCA - KIX
2 stops39h 40mMultiple Airlines
mar. 11/112:50 pmKIX - DCA
2 stops43h 10mMultiple Airlines
Deal found 10/18$1,110
This Air Canada deal was found by Cheapflights users on 10/18. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/236:59 amDCA - KIX
1 stop20h 26mAir Canada
lun. 10/277:25 pmKIX - DCA
2 stops39h 31mAir Canada
Deal found 10/18$1,133
This Trip.com deal was found by Cheapflights users on 10/20. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/256:59 pmDCA - KIX
2 stops37h 41mMultiple Airlines
mar. 12/211:10 pmKIX - DCA
2 stops58h 50mMultiple Airlines
Deal found 10/20$1,136
This Air Canada deal was found by Cheapflights users on 10/20. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/178:40 pmDCA - KIX
2 stops32h 45mAir Canada
lun. 11/247:25 pmKIX - DCA
2 stops29h 01mAir Canada
Deal found 10/20$1,139
This Air Canada deal was found by Cheapflights users on 10/19. 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.
mié. 12/36:59 amDCA - ITM
2 stops22h 11mAir Canada
mié. 12/104:00 pmITM - DCA
2 stops20h 35mAir Canada
Deal found 10/19$1,153
This Air Canada deal was found by Cheapflights users on 10/19. 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.
mié. 12/39:40 amDCA - KIX
2 stops19h 45mAir Canada
mié. 12/103:45 pmKIX - DCA
2 stops20h 50mAir Canada
Deal found 10/19$1,156
This Trip.com deal was found by Cheapflights users on 10/18. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/59:59 amDCA - KIX
2 stops35h 01mMultiple Airlines
dom. 11/912:00 pmKIX - DCA
2 stops46h 00mMultiple Airlines
Deal found 10/18$1,179
This Gurufare deal was found by Cheapflights users on 10/20. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/36:10 amDCA - ITM
2 stops23h 55mJapan Airlines
vie. 12/267:25 amITM - DCA
2 stops25h 32mJapan Airlines
Deal found 10/20$1,185

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 octubre 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,011
(Trip.com)

One-way from

$488
(Kiwi.com)

Popular in

June

Cheapest in

September

Average price

$1,167
Provider with most accurate pricing for Washington, D.C. Reagan-National-Osaka (OSA) flight deals.
Provider most trusted by Cheapflights users for Washington, D.C. Reagan-National-Osaka (OSA) flights.
From Washington, D.C. Reagan-National to Osaka (OSA)
One-way flight from Washington, D.C. Reagan-National to Osaka (OSA)
Highest demand for flights based on searches. 12% potential increase in price ($200 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($35 potential savings vs. average RT price).
Average for round-trip flights in October 2025

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 octubre 20, 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 - ITM

DCAITM

Washington, D.C. Reagan-National

mar. 12/2

9:40 am-8:20 pm

2 stops20h 40m

Osaka Itami

mar. 12/9

2:05 pm-9:56 pm

2 stops21h 51m

$1,100

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

vie. 1/30

6:59 am-7:10 pm

2 stops22h 11m

Osaka Itami

vie. 2/13

2:00 pm-10:35 pm

2 stops22h 35m

$1,125

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

mié. 12/3

6:59 am-7:10 pm

2 stops22h 11m

Osaka Itami

mié. 12/10

4:00 pm-10:35 pm

2 stops20h 35m

$1,153

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

mié. 12/3

9:40 am-7:25 pm

2 stops19h 45m

Osaka Kansai Intl

mié. 12/10

3:45 pm-10:35 pm

2 stops20h 50m

$1,163

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

dom. 2/22

7:00 am-4:40 pm

1 stop19h 40m

Osaka Kansai Intl

mié. 3/4

6:35 pm-9:39 pm

1 stop17h 04m

$1,214

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

lun. 3/2

7:00 am-4:40 pm

1 stop19h 40m

Osaka Kansai Intl

vie. 3/13

8:20 am-9:31 pm

2 stops26h 11m

$1,216

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

mar. 3/3

7:00 am-4:40 pm

1 stop19h 40m

Osaka Kansai Intl

vie. 3/13

8:20 am-9:31 pm

2 stops26h 11m

$1,216

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

lun. 3/2

7:00 am-4:40 pm

1 stop19h 40m

Osaka Kansai Intl

jue. 3/12

8:20 am-3:54 pm

2 stops20h 34m

$1,216

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

mié. 3/18

6:00 am-6:10 pm

2 stops23h 10m

Osaka Itami

mié. 4/1

12:00 pm-8:43 pm

2 stops21h 43m

$1,220

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

mar. 11/11

7:00 am-6:10 pm

2 stops21h 10m

Osaka Itami

mar. 11/25

1:00 pm-10:42 pm

2 stops23h 42m

$1,220

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/20

Showing 1-10 of 52 results
1
2
3
...
6
  • 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 $1,214, 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 most popular routes from Washington, D.C. Reagan-National Airport to Osaka?

  • 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

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.

Alternative routes for Reagan-National to Osaka

See prices for flight routes from nearby airports that may be better suited for you.

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.