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$430+ 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 11/15. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — OSA
Dec 4 — Dec 111
Thu 12/4
Thu 12/11
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 4, 2025.

This Air Canada deal was found by Cheapflights users on 11/4. 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.
Wed 11/56:00 amDCA - KIX
2 stops21h 40mMultiple Airlines
Wed 11/128:00 amKIX - DCA
2 stops25h 45mMultiple Airlines
Deal found 11/4$1,050
This Trip.com deal was found by Cheapflights users on 11/2. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/59:59 amDCA - KIX
2 stops46h 16mMultiple Airlines
Sun 11/97:15 amKIX - DCA
2 stops50h 45mMultiple Airlines
Deal found 11/2$1,099
This Air Canada deal was found by Cheapflights users on 11/2. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/286:00 amDCA - KIX
2 stops21h 40mAir Canada
Mon 12/83:45 pmKIX - DCA
2 stops20h 50mAir Canada
Deal found 11/2$1,127
This Air Canada deal was found by Cheapflights users on 11/4. 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.
Wed 11/56:00 amDCA - KIX
2 stops21h 40mAir Canada
Wed 11/123:45 pmKIX - DCA
2 stops20h 50mAir Canada
Deal found 11/4$1,131
This Cheapflightsfares deal was found by Cheapflights users on 11/3. 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 12/38:36 amDCA - ITM
2 stops21h 19mJapan Airlines
Fri 12/268:30 amITM - DCA
2 stops24h 27mJapan Airlines
Deal found 11/3$1,165
This lastminute.com deal was found by Cheapflights users on 11/4. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/16:49 amDCA - ITM
2 stops22h 31mJapan Airlines
Tue 12/168:30 amITM - DCA
2 stops18h 16mJapan Airlines
Deal found 11/4$1,168
This Cheapflightsfares deal was found by Cheapflights users on 11/3. 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 12/33:25 pmDCA - KIX
2 stops27h 00mJapan Airlines
Fri 12/267:00 amKIX - DCA
2 stops25h 57mJapan Airlines
Deal found 11/3$1,168
This Air Canada deal was found by Cheapflights users on 11/2. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/206:00 amDCA - KIX
2 stops45h 40mAir Canada
Tue 12/23:45 pmKIX - DCA
2 stops31h 10mAir Canada
Deal found 11/2$1,173
This Air Canada deal was found by Cheapflights users on 11/2. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/56:59 amDCA - KIX
2 stops22h 26mAir Canada
Thu 12/113:45 pmKIX - DCA
2 stops20h 50mAir Canada
Deal found 11/2$1,186
This FlightHub deal was found by Cheapflights users on 11/2. 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 11/2511:05 amDCA - KIX
2 stops40h 35mAir Canada
Thu 12/43:45 pmKIX - DCA
2 stops20h 50mAir Canada
Deal found 11/2$1,207
This KAYAK deal was found by Cheapflights users on 11/4. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/26:10 amDCA - ITM
2 stops24h 10mJapan Airlines
Fri 12/122:40 pmITM - DCA
2 stops21h 19mJapan Airlines
Deal found 11/4$1,208
This United Airlines deal was found by Cheapflights users on 11/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/27:00 amDCA - KIX
1 stop19h 40mUnited Airlines
Fri 12/126:35 pmKIX - DCA
1 stop17h 01mUnited Airlines
Deal found 11/4$1,213

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 4, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$981
(Alaska Airlines)

One-way from

$430
(Trip.com)

Popular in

June

Cheapest in

September

Average price

$1,257
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. 12% potential increase in price ($198 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($35 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 4, 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

Fri 1/30

5:09 pm-6:45 pm

2 stops35h 36m

Osaka Kansai Intl

Fri 2/13

8:45 pm-4:04 pm

2 stops33h 19m

$981

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Mon 1/12

5:09 pm-6:45 pm

2 stops35h 36m

Osaka Kansai Intl

Tue 1/20

8:45 pm-4:01 pm

2 stops33h 16m

$1,005

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

Fri 1/30

9:40 am-8:20 pm

2 stops20h 40m

Osaka Itami

Fri 2/13

3:00 pm-10:35 pm

2 stops21h 35m

$1,104

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

Wed 12/3

8:36 am-7:55 pm

2 stops21h 19m

Osaka Itami

Fri 12/26

8:30 am-6:57 pm

2 stops24h 27m

$1,165

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

Tue 12/2

6:10 am-8:20 pm

2 stops24h 10m

Osaka Itami

Fri 12/12

2:40 pm-9:59 pm

2 stops21h 19m

$1,208

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Sun 4/19

11:05 am-4:25 pm

2 stops40h 20m

Osaka Kansai Intl

Wed 4/29

8:30 am-10:39 pm

2 stops27h 09m

$1,216

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

Tue 1/13

9:40 am-8:20 pm

2 stops20h 40m

Osaka Itami

Tue 1/20

4:00 pm-10:35 pm

2 stops20h 35m

$1,217

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Sun 4/19

9:00 am-7:30 pm

2 stops21h 30m

Osaka Kansai Intl

Wed 4/29

4:55 pm-9:53 pm

1 stop17h 58m

$1,220

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Mon 2/23

6:59 am-7:25 pm

2 stops22h 26m

Osaka Kansai Intl

Thu 2/26

3:45 pm-10:35 pm

2 stops20h 50m

$1,220

Washington, D.C.Kobe

DCA - UKB

DCAUKB

Washington, D.C. Reagan-National

Fri 1/30

7:30 am-9:45 pm

2 stops24h 15m

Kobe

Fri 2/13

7:05 am-1:07 pm

2 stops20h 02m

$1,251

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/3

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 $1,104, Alaska Airlines can have you in Osaka from Washington, D.C. Reagan-National Airport in 20h 40m. The distance between Washington, D.C. Reagan-National Airport and Osaka is about 6937 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 ANA ($818), Japan Airlines ($894), and EVA Air ($1,196).

  • 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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