HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Osaka

$547+ 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
dic. 10 — dic. 171
mié. 12/10
mié. 12/17
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.

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 noviembre 10, 2025.

This Air Canada deal was found by Cheapflights users on 11/8. 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. 11/298:40 pmDCA - KIX
2 stops32h 45mAir Canada
mié. 2/183:45 pmKIX - DCA
2 stops31h 10mAir Canada
Deal found 11/8$1,136
This Travelocity deal was found by Cheapflights users on 11/8. 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.
dom. 11/306:59 amDCA - KIX
2 stops22h 26mMultiple Airlines
mié. 12/33:00 pmKIX - DCA
2 stops21h 35mMultiple Airlines
Deal found 11/8$1,165
This Air Canada deal was found by Cheapflights users on 11/10. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/1511:05 amDCA - KIX
2 stops40h 35mAir Canada
sáb. 11/227:25 pmKIX - DCA
2 stops29h 01mAir Canada
Deal found 11/10$1,202
This Air Canada deal was found by Cheapflights users on 11/9. 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. 11/286:00 amDCA - KIX
2 stops21h 40mAir Canada
lun. 12/83:45 pmKIX - DCA
2 stops20h 50mAir Canada
Deal found 11/9$1,211
This Air Canada deal was found by Cheapflights users on 11/9. 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. 11/2711:05 amDCA - KIX
2 stops40h 35mAir Canada
vie. 12/53:45 pmKIX - DCA
2 stops20h 50mAir Canada
Deal found 11/9$1,219
This oojo deal was found by Cheapflights users on 11/8. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/119:45 amDCA - KIX
2 stops30h 35mCathay Pacific
mié. 12/37:05 pmKIX - DCA
2 stops41h 54mCathay Pacific
Deal found 11/8$1,231
This Cheapflightsfares deal was found by Cheapflights users on 11/8. 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.
sáb. 11/295:59 amDCA - ITM
2 stops24h 01mJapan Airlines
mié. 2/188:30 amITM - DCA
2 stops18h 14mJapan Airlines
Deal found 11/8$1,232
This Air Canada deal was found by Cheapflights users on 11/8. 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. 11/286:00 amDCA - KIX
2 stops21h 40mAir Canada
mié. 12/103:45 pmKIX - DCA
2 stops20h 50mAir Canada
Deal found 11/8$1,257
This Air Canada deal was found by Cheapflights users on 11/8. 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. 11/206:00 amDCA - KIX
2 stops45h 40mAir Canada
mar. 12/23:45 pmKIX - DCA
2 stops31h 10mAir Canada
Deal found 11/8$1,259
This Air Canada deal was found by Cheapflights users on 11/8. 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. 11/298:40 pmDCA - ITM
2 stops33h 40mAir Canada
jue. 2/192:00 pmITM - DCA
2 stops21h 58mAir Canada
Deal found 11/8$1,262
This Air Canada deal was found by Cheapflights users on 11/8. 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. 11/298:40 pmDCA - ITM
2 stops33h 40mAir Canada
vie. 2/202:00 pmITM - DCA
2 stops32h 55mAir Canada
Deal found 11/8$1,267
This American Airlines deal was found by Cheapflights users on 11/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/298:35 amDCA - KIX
1 stop20h 15mAmerican Airlines
mié. 2/185:50 pmKIX - DCA
2 stops20h 09mAmerican Airlines
Deal found 11/8$1,268

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 noviembre 10, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$1,100
(Air Canada)

One-way from

$547
(Kiwi.com)

Popular in

June

Cheapest in

September

Average price

$1,262
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 ($202 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($32 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 noviembre 10, 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

vie. 1/30

9:40 am-8:20 pm

2 stops20h 40m

Osaka Itami

vie. 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

dom. 4/19

9:59 am-7:50 pm

2 stops20h 51m

Osaka Itami

mié. 4/29

7:25 am-1:52 pm

2 stops19h 27m

$1,184

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

dom. 2/1

8:00 am-7:55 pm

2 stops21h 55m

Osaka Itami

mar. 3/3

8:25 am-12:44 pm

2 stops18h 19m

$1,193

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

mar. 2/3

6:59 am-7:55 pm

2 stops22h 56m

Osaka Itami

mié. 2/25

7:25 am-12:44 pm

2 stops19h 19m

$1,193

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

mié. 4/29

12:00 pm-7:46 pm

2 stops20h 46m

$1,219

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

sáb. 11/29

5:59 am-8:00 pm

2 stops24h 01m

Osaka Itami

mié. 2/18

8:30 am-12:44 pm

2 stops18h 14m

$1,232

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

jue. 2/5

8:47 am-7:55 pm

2 stops21h 08m

Osaka Itami

jue. 3/5

8:25 am-12:44 pm

2 stops18h 19m

$1,243

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

jue. 4/16

9:59 am-7:50 pm

2 stops20h 51m

Osaka Itami

vie. 5/8

7:05 am-2:20 pm

2 stops20h 15m

$1,243

Washington, D.C.Kobe

DCA - UKB

DCAUKB

Washington, D.C. Reagan-National

vie. 1/30

7:30 am-9:45 pm

2 stops24h 15m

Kobe

vie. 2/13

7:05 am-1:07 pm

2 stops20h 02m

$1,251

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

sáb. 11/29

6:50 pm-8:20 pm

2 stops35h 30m

Osaka Itami

mar. 2/10

2:00 pm-10:23 am

2 stops34h 23m

$1,262

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/8

Showing 1-10 of 59 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 $1,104, Air Canada 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 Air Canada ($628), China Airlines ($642), and Japan Airlines ($672).

  • 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

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.