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$403+ 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 2/3. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — OSA
feb. 14 — feb. 211
sáb. 2/14
sáb. 2/21
1 adult, Economy
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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 enero 15, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$901
(Air Canada)

One-way from

$403
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$1,072
Provider with most accurate pricing for Washington, D.C. Reagan-National-Osaka (OSA) flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. Reagan-National-Osaka (OSA) flights.
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From Washington, D.C. Reagan-National to Osaka (OSA)
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One-way flight from Washington, D.C. Reagan-National to Osaka (OSA)
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Highest demand for flights based on searches. 13% potential increase in price ($203 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($33 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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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 enero 15, 2026.

This Air Canada deal was found by Cheapflights users on 1/15. 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. 11/26:00 am
DCA
-
KIX
2 stops21h 40m
Air Canada
jue. 11/127:25 pm
KIX
-
DCA
2 stops28h 56m
Air Canada
Deal found 1/15$883
This Priceline deal was found by Cheapflights users on 1/13. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 1/149:40 am
DCA
-
KIX
2 stops19h 45m
Air Canada
mié. 1/213:45 pm
KIX
-
DCA
2 stops20h 50m
Air Canada
Deal found 1/13$885
This Air Canada deal was found by Cheapflights users on 1/14. 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.
sáb. 2/2811:05 am
DCA
-
KIX
2 stops40h 35m
Air Canada
sáb. 3/77:25 pm
KIX
-
DCA
2 stops27h 56m
Air Canada
Deal found 1/14$901
This Air Canada deal was found by Cheapflights users on 1/14. 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.
vie. 1/306:00 am
DCA
-
ITM
2 stops23h 55m
Multiple Airlines
vie. 2/132:40 pm
ITM
-
DCA
2 stops21h 55m
Multiple Airlines
Deal found 1/14$913
This Air Canada deal was found by Cheapflights users on 1/13. 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.
vie. 1/306:00 am
DCA
-
KIX
2 stops24h 35m
Multiple Airlines
vie. 2/133:00 pm
KIX
-
DCA
2 stops21h 35m
Multiple Airlines
Deal found 1/13$914
This Priceline deal was found by Cheapflights users on 1/14. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 2/159:40 am
DCA
-
ITM
2 stops20h 40m
Air Canada
mié. 2/254:00 pm
ITM
-
DCA
2 stops20h 35m
Air Canada
Deal found 1/14$917
This Priceline deal was found by Cheapflights users on 1/12. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/26:59 am
DCA
-
KIX
2 stops20h 26m
Air Canada
mié. 9/96:05 pm
KIX
-
DCA
1 stop17h 22m
Air Canada
Deal found 1/12$919
This Priceline deal was found by Cheapflights users on 1/15. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/206:59 am
DCA
-
KIX
1 stop20h 26m
Air Canada
lun. 11/27:25 pm
KIX
-
DCA
2 stops28h 56m
Air Canada
Deal found 1/15$930
This Gurufare deal was found by Cheapflights users on 1/15. 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.
lun. 11/26:59 am
DCA
-
ITM
2 stops22h 11m
ANA
jue. 11/122:05 pm
ITM
-
DCA
2 stops20h 55m
ANA
Deal found 1/15$939
This KAYAK deal was found by Cheapflights users on 1/14. 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.
lun. 11/26:50 am
DCA
-
ITM
2 stops23h 00m
Japan Airlines
jue. 11/122:40 pm
ITM
-
DCA
2 stops21h 19m
Japan Airlines
Deal found 1/14$944
This FlightHub deal was found by Cheapflights users on 1/14. 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.
dom. 4/197:00 am
DCA
-
ITM
2 stops23h 50m
Japan Airlines
mié. 4/298:30 am
ITM
-
DCA
2 stops20h 14m
Japan Airlines
Deal found 1/14$949
This KAYAK deal was found by Cheapflights users on 1/13. 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. 3/73:21 pm
DCA
-
ITM
2 stops38h 29m
Japan Airlines
jue. 3/262:35 pm
ITM
-
DCA
2 stops20h 41m
Japan Airlines
Deal found 1/13$971

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 enero 15, 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 - ITM

DCAITM

Washington, D.C. Reagan-National

dom. 2/15

9:40 am-8:20 pm

2 stops20h 40m

Osaka Itami

mié. 2/25

4:00 pm-10:35 pm

2 stops20h 35m

$917

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

dom. 2/15

6:50 pm-7:25 pm

2 stops34h 35m

Osaka Kansai Intl

mié. 2/25

3:45 pm-10:35 pm

2 stops20h 50m

$919

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

dom. 4/19

7:00 am-7:50 pm

2 stops23h 50m

Osaka Itami

mié. 4/29

7:25 am-2:40 pm

2 stops20h 15m

$949

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

mié. 3/4

6:45 am-7:50 pm

2 stops23h 05m

Osaka Itami

mié. 3/18

7:30 am-3:44 pm

2 stops21h 14m

$949

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

dom. 2/15

7:00 am-4:40 pm

1 stop19h 40m

Osaka Kansai Intl

mié. 2/25

6:35 pm-9:39 pm

1 stop17h 04m

$970

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

sáb. 3/7

3:21 pm-7:50 pm

2 stops38h 29m

Osaka Itami

jue. 3/26

2:35 pm-10:16 pm

2 stops20h 41m

$971

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

mié. 3/4

7:00 am-4:40 pm

1 stop19h 40m

Osaka Kansai Intl

mié. 3/18

6:35 pm-8:51 am

2 stops27h 16m

$974

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

jue. 1/29

9:40 am-7:55 pm

2 stops20h 15m

Osaka Itami

jue. 2/5

4:00 pm-10:35 pm

2 stops20h 35m

$992

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

dom. 4/19

6:30 am-5:05 pm

2 stops45h 35m

Osaka Itami

mié. 4/29

12:00 pm-4:04 pm

3 stops41h 04m

$992

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

dom. 3/1

4:15 pm-5:40 pm

2 stops35h 25m

Osaka Kansai Intl

dom. 3/8

8:00 am-9:35 pm

2 stops27h 35m

$994

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/15

Showing 1-10 of 57 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 $970, 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?

    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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