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$500+ 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 2/15. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — OSA
Feb 4 — Feb 111
Wed 2/4
Wed 2/11
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 5, 2026.

This Air Canada deal was found by Cheapflights users on 1/5. 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 amDCA - KIX
2 stops21h 40mAir Canada
Thu 11/127:25 pmKIX - DCA
2 stops28h 56mAir Canada
Deal found 1/5$924
This Air Canada deal was found by Cheapflights users on 1/4. 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 10/56:59 amDCA - KIX
2 stops20h 26mAir Canada
Tue 10/206:05 pmKIX - DCA
2 stops29h 13mAir Canada
Deal found 1/4$943
This Cheapflightsfares deal was found by Cheapflights users on 1/5. 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.
Wed 3/46:45 amDCA - ITM
2 stops23h 05mJapan Airlines
Wed 3/187:05 amITM - DCA
2 stops21h 39mJapan Airlines
Deal found 1/5$944
This Cheapflightsfares deal was found by Cheapflights users on 1/5. 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.
Sun 4/197:00 amDCA - ITM
2 stops23h 50mJapan Airlines
Wed 4/292:35 pmITM - DCA
2 stops20h 40mJapan Airlines
Deal found 1/5$945
This Air Canada deal was found by Cheapflights users on 1/4. 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.
Fri 1/306:00 amDCA - KIX
2 stops24h 35mMultiple Airlines
Fri 2/133:00 pmKIX - DCA
2 stops21h 35mMultiple Airlines
Deal found 1/4$946
This Cheapflightsfares deal was found by Cheapflights users on 1/5. 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.
Wed 3/43:21 pmDCA - KIX
2 stops27h 04mJapan Airlines
Wed 3/187:00 amKIX - DCA
2 stops20h 41mJapan Airlines
Deal found 1/5$947
This Gotogate deal was found by Cheapflights users on 1/5. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/186:00 amDCA - ITM
2 stops23h 55mMultiple Airlines
Wed 2/254:00 pmITM - DCA
2 stops20h 35mMultiple Airlines
Deal found 1/5$948
This Air Canada deal was found by Cheapflights users on 1/4. 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.
Tue 9/86:59 amDCA - KIX
1 stop20h 26mAir Canada
Wed 9/236:05 pmKIX - DCA
1 stop17h 22mAir Canada
Deal found 1/4$948
This FlightHub deal was found by Cheapflights users on 1/5. 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 4/209:33 amDCA - ITM
2 stops21h 17mJapan Airlines
Thu 5/78:30 amITM - DCA
2 stops19h 10mJapan Airlines
Deal found 1/5$949
This Air Canada deal was found by Cheapflights users on 1/4. 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 10/126:50 pmDCA - KIX
1 stop32h 35mAir Canada
Wed 10/283:45 pmKIX - DCA
2 stops19h 52mAir Canada
Deal found 1/4$950
This FlightHub deal was found by Cheapflights users on 1/2. 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.
Tue 11/36:50 amDCA - ITM
2 stops23h 00mJapan Airlines
Tue 11/172:40 pmITM - DCA
2 stops18h 14mJapan Airlines
Deal found 1/2$951
This Air Canada deal was found by Cheapflights users on 1/5. 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.
Tue 2/176:59 amDCA - KIX
2 stops22h 26mMultiple Airlines
Tue 2/243:00 pmKIX - DCA
2 stops21h 35mMultiple Airlines
Deal found 1/5$961

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 5, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$944
(Cheapflightsfares)

One-way from

$500
(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.
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 ($207 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($33 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 5, 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

Sun 4/19

7:00 am-7:50 pm

2 stops23h 50m

Osaka Itami

Fri 5/8

8:30 am-2:40 pm

2 stops19h 10m

$944

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

Wed 3/4

6:45 am-7:50 pm

2 stops23h 05m

Osaka Itami

Wed 3/18

7:05 am-3:44 pm

2 stops21h 39m

$944

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

Sun 4/19

7:00 am-7:50 pm

2 stops23h 50m

Osaka Itami

Wed 4/29

2:35 pm-9:59 pm

2 stops20h 24m

$945

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

Mon 4/20

9:33 am-7:50 pm

2 stops21h 17m

Osaka Itami

Thu 5/7

8:30 am-2:40 pm

2 stops19h 10m

$949

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

Mon 4/20

9:33 am-7:50 pm

2 stops21h 17m

Osaka Itami

Fri 5/8

8:30 am-2:40 pm

2 stops19h 10m

$963

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

Sun 1/25

6:59 am-7:55 pm

2 stops22h 56m

Osaka Itami

Tue 2/10

8:30 am-12:44 pm

2 stops18h 14m

$971

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Tue 1/27

7:00 am-4:40 pm

1 stop19h 40m

Osaka Kansai Intl

Tue 2/10

8:20 am-10:37 pm

3 stops28h 17m

$972

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Wed 3/4

7:00 am-4:40 pm

1 stop19h 40m

Osaka Kansai Intl

Wed 3/18

6:35 pm-8:51 am

2 stops27h 16m

$974

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

Tue 4/21

7:00 am-5:05 pm

2 stops21h 05m

Osaka Itami

Thu 5/7

12:00 pm-8:15 pm

2 stops21h 15m

$976

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

Sun 4/19

7:00 am-5:05 pm

2 stops21h 05m

Osaka Itami

Thu 5/7

12:00 pm-8:15 pm

2 stops21h 15m

$976

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/2

Showing 1-10 of 49 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 $972, Japan Airlines 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.

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