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Cheap flights from Washington, D.C. Reagan-National Airport to Osaka from $435

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Reagan-National Airport to Osaka departing on 8/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Washington, D.C. Reagan-National Airport to Osaka

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
6:55 pm - 4:25 pm
DCA
-
KIX
32h 30m
1 stop
Air Canada Logo
6:00 pm - 10:18 am
KIX
-
DCA
29h 18m
2 stops
$1,248Air Canada
Wed, Aug 26 - Tue, Sep 1
Air Canada Logo
8:40 pm - 4:25 pm
DCA
-
KIX
54h 45m
2 stops
Air Canada Logo
6:00 pm - 6:12 pm
KIX
-
DCA
37h 12m
1 stop
$1,253Air Canada
Fri, Aug 21 - Fri, Aug 28
Air Canada Logo
8:40 pm - 4:25 pm
DCA
-
KIX
54h 45m
2 stops
Air Canada Logo
6:00 pm - 10:18 am
KIX
-
DCA
29h 18m
2 stops
$1,256Air Canada
Fri, Aug 21 - Fri, Aug 28
Air Canada Logo
6:59 am - 4:25 pm
DCA
-
KIX
20h 26m
1 stop
Air Canada Logo
6:00 pm - 10:20 am
KIX
-
DCA
29h 20m
2 stops
$1,258Air Canada
Tue, Sep 22 - Thu, Oct 8
Air Canada Logo
6:59 am - 4:25 pm
DCA
-
KIX
20h 26m
2 stops
Air Canada Logo
6:00 pm - 10:18 am
KIX
-
DCA
29h 18m
2 stops
$1,262Air Canada
Wed, Aug 5 - Wed, Aug 19
Multiple Airlines Logo
11:35 am - 6:40 am
DCA
-
KIX
30h 05m
2 stops
Multiple Airlines Logo
9:45 am - 11:58 pm
KIX
-
DCA
27h 13m
2 stops
$1,287Multiple Airlines
Wed, Aug 26 - Tue, Sep 1
Air Canada Logo
6:59 am - 4:25 pm
DCA
-
KIX
20h 26m
1 stop
Air Canada Logo
6:00 pm - 10:18 am
KIX
-
DCA
29h 18m
2 stops
$1,288Air Canada
Sat, Aug 8 - Mon, Aug 17
Air Canada Logo
6:59 am - 4:25 pm
DCA
-
KIX
20h 26m
2 stops
Air Canada Logo
6:00 pm - 10:18 am
KIX
-
DCA
29h 18m
2 stops
$1,289Air Canada
Fri, Aug 14 - Mon, Aug 31
Air Canada Logo
4:20 pm - 4:25 pm
DCA
-
KIX
35h 05m
2 stops
Air Canada Logo
6:00 pm - 10:20 am
KIX
-
DCA
29h 20m
2 stops
$1,291Air Canada
Sat, Sep 26 - Sun, Oct 4
Air Canada Logo
8:40 pm - 4:25 pm
DCA
-
KIX
30h 45m
1 stop
Air Canada Logo
6:00 pm - 6:12 pm
KIX
-
DCA
37h 12m
1 stop
$1,293Air Canada
Fri, Aug 21 - Fri, Aug 28

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Cathay Pacific flights from Washington, D.C. Reagan-National Airport to Osaka Kansai Intl Airport

Our best Cathay Pacific deals on Washington, D.C. Reagan-National Airport to Osaka Kansai Intl Airport flight tickets
Cathay Pacific
Aug 27
DCA6:58 pmWashington, D.C. Reagan-National
28h 57m
2 stops
KIX12:55 pmOsaka Kansai Intl
Sep 2
KIX9:45 amOsaka Kansai Intl
27h 13m
2 stops
DCA11:58 pmWashington, D.C. Reagan-National
$1,294
Cathay Pacific
Aug 8
DCA2:44 pmWashington, D.C. Reagan-National
57h 11m
2 stops
KIX12:55 pmOsaka Kansai Intl
Aug 29
KIX9:05 amOsaka Kansai Intl
27h 53m
2 stops
DCA11:58 pmWashington, D.C. Reagan-National
$1,320
Cathay Pacific
Sep 22
DCA11:31 amWashington, D.C. Reagan-National
41h 34m
2 stops
KIX6:05 pmOsaka Kansai Intl
Oct 8
KIX9:05 amOsaka Kansai Intl
27h 54m
2 stops
DCA11:59 pmWashington, D.C. Reagan-National
$1,326

Air Canada flights from Washington, D.C. Reagan-National Airport to Osaka Kansai Intl Airport

Our best Air Canada deals on Washington, D.C. Reagan-National Airport to Osaka Kansai Intl Airport flight tickets
Air Canada
Aug 26
DCA6:55 pmWashington, D.C. Reagan-National
32h 30m
1 stop
KIX4:25 pmOsaka Kansai Intl
Sep 1
KIX6:00 pmOsaka Kansai Intl
29h 18m
2 stops
DCA10:18 amWashington, D.C. Reagan-National
$1,248
Air Canada
Aug 21
DCA8:40 pmWashington, D.C. Reagan-National
54h 45m
2 stops
KIX4:25 pmOsaka Kansai Intl
Aug 28
KIX6:00 pmOsaka Kansai Intl
37h 12m
1 stop
DCA6:12 pmWashington, D.C. Reagan-National
$1,253
Air Canada
Aug 21
DCA8:40 pmWashington, D.C. Reagan-National
54h 45m
2 stops
KIX4:25 pmOsaka Kansai Intl
Aug 28
KIX6:00 pmOsaka Kansai Intl
29h 18m
2 stops
DCA10:18 amWashington, D.C. Reagan-National
$1,256

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Reagan-National Airport to Osaka Kansai Intl Airport 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, momondo users made 832,500 searches. Data last updated July 12, 2026.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Osaka Kansai Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Wed 8/26

6:55 pm-4:25 pm

1 stop32h 30m

Osaka Kansai Intl

Tue 9/1

6:00 pm-10:18 am

2 stops29h 18m

$1,248

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Fri 8/21

8:40 pm-4:25 pm

2 stops54h 45m

Osaka Kansai Intl

Fri 8/28

6:00 pm-6:12 pm

1 stop37h 12m

$1,253

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Fri 8/21

8:40 pm-4:25 pm

2 stops54h 45m

Osaka Kansai Intl

Fri 8/28

6:00 pm-10:18 am

2 stops29h 18m

$1,256

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Tue 9/22

6:59 am-4:25 pm

1 stop20h 26m

Osaka Kansai Intl

Thu 10/8

6:00 pm-10:20 am

2 stops29h 20m

$1,258
Quickest round-trip

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Wed 8/5

6:59 am-4:25 pm

2 stops20h 26m

Osaka Kansai Intl

Wed 8/19

6:00 pm-10:18 am

2 stops29h 18m

$1,262

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Wed 8/26

11:35 am-6:40 am

2 stops30h 05m

Osaka Kansai Intl

Tue 9/1

9:45 am-11:58 pm

2 stops27h 13m

$1,287

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Sat 8/8

6:59 am-4:25 pm

1 stop20h 26m

Osaka Kansai Intl

Mon 8/17

6:00 pm-10:18 am

2 stops29h 18m

$1,288

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Fri 8/14

6:59 am-4:25 pm

2 stops20h 26m

Osaka Kansai Intl

Mon 8/31

6:00 pm-10:18 am

2 stops29h 18m

$1,289

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Sat 9/26

4:20 pm-4:25 pm

2 stops35h 05m

Osaka Kansai Intl

Sun 10/4

6:00 pm-10:20 am

2 stops29h 20m

$1,291

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Fri 8/21

8:40 pm-4:25 pm

1 stop30h 45m

Osaka Kansai Intl

Fri 8/28

6:00 pm-6:12 pm

1 stop37h 12m

$1,293

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Osaka from

How to get the cheapest flight ticket from Washington, D.C. Reagan-National Airport to Osaka Kansai Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Can stopping save me money on Washington, D.C. Reagan-National Airport to Osaka Kansai Intl Airport flights?

You could potentially save up to 45% on your flight if you consider stops on a Washington, D.C. Reagan-National Airport to Osaka Kansai Intl Airport flight.

When to book flights from Washington, D.C. Reagan-National Airport to Osaka Kansai Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Reagan-National Airport to Osaka Kansai Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. Reagan-National Airport to Osaka Kansai Intl Airport (DCA to KIX) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Reagan-National Airport to Osaka Kansai Intl Airport

Fastest flight time

24h 35m

Direct flights

None
The fastest flight from Washington, D.C. Reagan-National Airport to Osaka Kansai Intl Airport takes 24h 35m
There are no direct flights from Washington, D.C. Reagan-National Airport to Osaka Kansai Intl Airport. There are no popular flight routes from Washington, D.C. Reagan-National Airport to Osaka Kansai Intl Airport.
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Frequently asked questions about flying from Washington, D.C. Reagan-National Airport to Osaka Kansai Intl Airport

  • How far is Washington, D.C. Reagan-National to Osaka Kansai Intl by plane?

    Washington, D.C. Reagan-National and Osaka Kansai Intl are 6964.0 mi apart from one another. By plane, this route typically takes 24h 35m.

  • When did momondo last update prices for flights from Washington, D.C. Reagan-National Airport to Osaka Kansai Intl Airport?

    Prices for flights from Washington, D.C. Reagan-National Airport to Osaka Kansai Intl Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Washington, D.C. Reagan-National Airport to Osaka Kansai Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Reagan-National Airport to Osaka Kansai Intl Airport.

  • What documentation or ID do you need to fly to Osaka Kansai Intl Airport?

    The travel and health documents you'll need for your trip to Osaka Kansai Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Osaka Kansai Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Osaka?

Book flights to Osaka if you plan to visit one of these locations
Izumisano
Nara
Himeji
Nishinomiya

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Osaka?

It is quick and easy to find Washington, D.C. to Osaka flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Osaka that suits you.

Can I find flights from Washington, D.C. to Osaka with flexible booking policies on momondo?

Yes. All flights to Osaka from Washington, D.C. on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Washington, D.C. to Osaka?

Once you have performed a search for Washington, D.C. to Osaka flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Washington, D.C. to Osaka right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Osaka, momondo offers a useful price alert feature which will track prices for flights to Osaka from Washington, D.C. and alert you when they change.

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