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Cheap flights from Washington, D.C. Reagan-National Airport to Osaka from $495

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 8/5. 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
6:59 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
$1,221Air Canada
Sun, Aug 16 - Tue, Sep 1
Air Canada Logo
6:59 am - 4:25 pm
DCA
-
KIX
20h 26m
1 stop
Air Canada Logo
6:00 pm - 10:20 am
KIX
-
DCA
29h 20m
2 stops
$1,235Air Canada
Tue, Sep 22 - Thu, Oct 8
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
$1,236Air Canada
Mon, Aug 24 - Mon, Aug 31
Air Canada Logo
6:59 am - 4:25 pm
DCA
-
KIX
20h 26m
2 stops
Air Canada Logo
6:00 pm - 10:34 pm
KIX
-
DCA
17h 34m
1 stop
$1,240Air Canada
Wed, Oct 14 - Wed, Oct 21
Air Canada Logo
8:40 pm - 4:25 pm
DCA
-
KIX
30h 45m
2 stops
Air Canada Logo
6:00 pm - 10:20 am
KIX
-
DCA
29h 20m
2 stops
$1,243Air Canada
Tue, Sep 22 - Wed, Sep 30
Air Canada Logo
6:59 am - 4:25 pm
DCA
-
KIX
20h 26m
2 stops
Air Canada Logo
6:00 pm - 10:20 am
KIX
-
DCA
29h 20m
2 stops
$1,244Air Canada
Wed, Oct 14 - Wed, Oct 21
Air Canada Logo
6:00 am - 4:25 pm
DCA
-
KIX
21h 25m
2 stops
Air Canada Logo
6:00 pm - 10:20 am
KIX
-
DCA
29h 20m
2 stops
$1,247Air Canada
Thu, Sep 3 - Fri, Sep 11
Cathay Pacific Logo
10:17 am - 6:40 am
DCA
-
KIX
31h 23m
2 stops
Cathay Pacific Logo
9:05 am - 11:58 pm
KIX
-
DCA
27h 53m
2 stops
$1,269Cathay Pacific
Tue, Sep 22 - Thu, Oct 8
Air Canada Logo
4:00 pm - 5:40 pm
DCA
-
KIX
35h 40m
2 stops
Air Canada Logo
7:25 pm - 10:29 am
KIX
-
DCA
29h 04m
2 stops
$1,271Air Canada
Sun, Nov 1 - Sat, Nov 14
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
$1,276Air Canada
Sat, Aug 8 - Mon, Aug 17

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Japan Airlines flights from Washington, D.C. Reagan-National Airport to Osaka Kansai Intl Airport

Our best Japan Airlines deals on Washington, D.C. Reagan-National Airport to Osaka Kansai Intl Airport flight tickets
Japan Airlines
Sep 2
DCA9:00 amWashington, D.C. Reagan-National
20h 45m
1 stop
KIX6:45 pmOsaka Kansai Intl
Nov 18
KIX5:50 pmOsaka Kansai Intl
16h 54m
1 stop
DCA8:44 pmWashington, D.C. Reagan-National
$1,359
Japan Airlines
Sep 2
DCA9:00 amWashington, D.C. Reagan-National
20h 45m
1 stop
KIX6:45 pmOsaka Kansai Intl
Nov 18
KIX9:05 pmOsaka Kansai Intl
35h 49m
2 stops
DCA6:54 pmWashington, D.C. Reagan-National
$1,361
Japan Airlines
Aug 4
DCA8:40 amWashington, D.C. Reagan-National
21h 05m
1 stop
KIX6:45 pmOsaka Kansai Intl
Aug 18
KIX9:00 pmOsaka Kansai Intl
29h 54m
2 stops
DCA1:54 pmWashington, D.C. Reagan-National
$1,362

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
Sep 22
DCA10:17 amWashington, D.C. Reagan-National
31h 23m
2 stops
KIX6:40 amOsaka Kansai Intl
Oct 8
KIX9:05 amOsaka Kansai Intl
27h 53m
2 stops
DCA11:58 pmWashington, D.C. Reagan-National
$1,269
Cathay Pacific
Sep 28
DCA6:58 pmWashington, D.C. Reagan-National
30h 52m
3 stops
KIX2:50 pmOsaka Kansai Intl
Oct 5
KIX4:15 pmOsaka Kansai Intl
44h 43m
3 stops
DCA11:58 pmWashington, D.C. Reagan-National
$1,301
Cathay Pacific
Sep 10
DCA11:31 amWashington, D.C. Reagan-National
30h 09m
2 stops
KIX6:40 amOsaka Kansai Intl
Sep 16
KIX9:45 amOsaka Kansai Intl
27h 14m
2 stops
DCA11:59 pmWashington, D.C. Reagan-National
$1,313

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 June 26, 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

Sun 8/16

6:59 am-4:25 pm

2 stops20h 26m

Osaka Kansai Intl

Tue 9/1

6:00 pm-10:18 am

2 stops29h 18m

$1,221

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

$1,235

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Mon 8/24

8:40 pm-4:25 pm

2 stops54h 45m

Osaka Kansai Intl

Mon 8/31

6:00 pm-10:18 am

2 stops29h 18m

$1,236
Quickest round-trip

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Wed 10/14

6:59 am-4:25 pm

2 stops20h 26m

Osaka Kansai Intl

Wed 10/21

6:00 pm-10:34 pm

1 stop17h 34m

$1,240

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Tue 9/22

8:40 pm-4:25 pm

2 stops30h 45m

Osaka Kansai Intl

Wed 9/30

6:00 pm-10:20 am

2 stops29h 20m

$1,243

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Wed 10/14

6:59 am-4:25 pm

2 stops20h 26m

Osaka Kansai Intl

Wed 10/21

6:00 pm-10:20 am

2 stops29h 20m

$1,244

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Thu 9/3

6:00 am-4:25 pm

2 stops21h 25m

Osaka Kansai Intl

Fri 9/11

6:00 pm-10:20 am

2 stops29h 20m

$1,247

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Tue 9/22

10:17 am-6:40 am

2 stops31h 23m

Osaka Kansai Intl

Thu 10/8

9:05 am-11:58 pm

2 stops27h 53m

$1,269

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Sun 11/1

4:00 pm-5:40 pm

2 stops35h 40m

Osaka Kansai Intl

Sat 11/14

7:25 pm-10:29 am

2 stops29h 04m

$1,271

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

$1,276

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 42% 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

26h 01m

Direct flights

None
The fastest flight from Washington, D.C. Reagan-National Airport to Osaka Kansai Intl Airport takes 26h 01m
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 26h 01m.

  • 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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