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Cheap flights from Washington, D.C. Reagan-National Airport to Osaka from $522

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 8/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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.
Multiple Airlines Logo
8:40 pm - 9:15 pm
DCA
-
KIX
35h 35m
2 stops
Multiple Airlines Logo
7:35 am - 10:34 pm
KIX
-
DCA
27h 59m
3 stops
$1,282Multiple Airlines
Tue, Sep 22 - Wed, Oct 7
Multiple Airlines Logo
11:00 am - 6:40 am
DCA
-
KIX
30h 40m
2 stops
Multiple Airlines Logo
7:35 am - 12:00 pm
KIX
-
DCA
41h 25m
3 stops
$1,312Multiple Airlines
Wed, Sep 23 - Wed, Oct 7
Cathay Pacific Logo
11:34 am - 6:40 am
DCA
-
KIX
30h 06m
2 stops
Cathay Pacific Logo
6:30 pm - 11:58 pm
KIX
-
DCA
42h 28m
2 stops
$1,319Cathay Pacific
Wed, Sep 2 - Wed, Sep 16
Cathay Pacific Logo
12:30 pm - 12:55 pm
DCA
-
KIX
35h 25m
2 stops
Cathay Pacific Logo
9:45 am - 11:58 pm
KIX
-
DCA
27h 13m
2 stops
$1,326Cathay Pacific
Tue, Sep 22 - Thu, Oct 8
Cathay Pacific Logo
6:57 pm - 2:50 pm
DCA
-
KIX
30h 53m
3 stops
Cathay Pacific Logo
5:35 pm - 8:15 pm
KIX
-
DCA
39h 40m
2 stops
$1,335Cathay Pacific
Wed, Sep 2 - Wed, Sep 16
Cathay Pacific Logo
12:30 pm - 2:50 pm
DCA
-
KIX
37h 20m
3 stops
Cathay Pacific Logo
9:45 am - 11:58 pm
KIX
-
DCA
27h 13m
2 stops
$1,342Cathay Pacific
Tue, Sep 22 - Thu, Oct 8
Multiple Airlines Logo
6:57 pm - 12:10 pm
DCA
-
KIX
28h 13m
2 stops
Multiple Airlines Logo
1:10 pm - 5:57 pm
KIX
-
DCA
41h 47m
2 stops
$1,368Multiple Airlines
Wed, Oct 14 - Wed, Oct 21
Cathay Pacific Logo
6:57 pm - 2:50 pm
DCA
-
KIX
30h 53m
3 stops
Cathay Pacific Logo
9:05 am - 9:04 am
KIX
-
DCA
36h 59m
2 stops
$1,374Cathay Pacific
Tue, Sep 1 - Tue, Sep 8
Cathay Pacific Logo
11:34 am - 3:10 pm
DCA
-
KIX
38h 36m
2 stops
Cathay Pacific Logo
6:30 pm - 8:15 pm
KIX
-
DCA
38h 45m
2 stops
$1,376Cathay Pacific
Tue, Sep 1 - Fri, Sep 18
Cathay Pacific Logo
11:34 am - 3:10 pm
DCA
-
KIX
38h 36m
2 stops
Cathay Pacific Logo
4:15 pm - 8:15 pm
KIX
-
DCA
41h 00m
3 stops
$1,392Cathay Pacific
Tue, Sep 1 - Fri, Sep 18

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
Nov 10
DCA11:00 amWashington, D.C. Reagan-National
40h 40m
2 stops
KIX5:40 pmOsaka Kansai Intl
Nov 19
KIX7:25 pmOsaka Kansai Intl
28h 56m
2 stops
DCA10:21 amWashington, D.C. Reagan-National
$1,449
Air Canada
Sep 22
DCA6:59 amWashington, D.C. Reagan-National
20h 26m
1 stop
KIX4:25 pmOsaka Kansai Intl
Oct 8
KIX6:00 pmOsaka Kansai Intl
34h 40m
2 stops
DCA3:40 pmWashington, D.C. Reagan-National
$1,453
Air Canada
Sep 22
DCA6:59 amWashington, D.C. Reagan-National
20h 26m
1 stop
KIX4:25 pmOsaka Kansai Intl
Oct 8
KIX6:00 pmOsaka Kansai Intl
29h 20m
2 stops
DCA10:20 amWashington, D.C. Reagan-National
$1,454

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 2
DCA11:34 amWashington, D.C. Reagan-National
30h 06m
2 stops
KIX6:40 amOsaka Kansai Intl
Sep 16
KIX6:30 pmOsaka Kansai Intl
42h 28m
2 stops
DCA11:58 pmWashington, D.C. Reagan-National
$1,319
Cathay Pacific
Sep 22
DCA12:30 pmWashington, D.C. Reagan-National
35h 25m
2 stops
KIX12:55 pmOsaka Kansai Intl
Oct 8
KIX9:45 amOsaka Kansai Intl
27h 13m
2 stops
DCA11:58 pmWashington, D.C. Reagan-National
$1,326
Cathay Pacific
Sep 2
DCA6:57 pmWashington, D.C. Reagan-National
30h 53m
3 stops
KIX2:50 pmOsaka Kansai Intl
Sep 16
KIX5:35 pmOsaka Kansai Intl
39h 40m
2 stops
DCA8:15 pmWashington, D.C. Reagan-National
$1,335

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 May 19, 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

Tue 9/22

8:40 pm-9:15 pm

2 stops35h 35m

Osaka Kansai Intl

Wed 10/7

7:35 am-10:34 pm

3 stops27h 59m

$1,282

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Wed 9/23

11:00 am-6:40 am

2 stops30h 40m

Osaka Kansai Intl

Wed 10/7

7:35 am-12:00 pm

3 stops41h 25m

$1,312

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Wed 9/2

11:34 am-6:40 am

2 stops30h 06m

Osaka Kansai Intl

Wed 9/16

6:30 pm-11:58 pm

2 stops42h 28m

$1,319
Quickest round-trip

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Tue 9/22

12:30 pm-12:55 pm

2 stops35h 25m

Osaka Kansai Intl

Thu 10/8

9:45 am-11:58 pm

2 stops27h 13m

$1,326

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Wed 9/2

6:57 pm-2:50 pm

3 stops30h 53m

Osaka Kansai Intl

Wed 9/16

5:35 pm-8:15 pm

2 stops39h 40m

$1,335

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Tue 9/22

12:30 pm-2:50 pm

3 stops37h 20m

Osaka Kansai Intl

Thu 10/8

9:45 am-11:58 pm

2 stops27h 13m

$1,342

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Wed 10/14

6:57 pm-12:10 pm

2 stops28h 13m

Osaka Kansai Intl

Wed 10/21

1:10 pm-5:57 pm

2 stops41h 47m

$1,368

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Tue 9/1

6:57 pm-2:50 pm

3 stops30h 53m

Osaka Kansai Intl

Tue 9/8

9:05 am-9:04 am

2 stops36h 59m

$1,374

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Tue 9/1

11:34 am-3:10 pm

2 stops38h 36m

Osaka Kansai Intl

Fri 9/18

6:30 pm-8:15 pm

2 stops38h 45m

$1,376

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Tue 9/1

11:34 am-3:10 pm

2 stops38h 36m

Osaka Kansai Intl

Fri 9/18

4:15 pm-8:15 pm

3 stops41h 00m

$1,392

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 20% 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

21h 16m

Direct flights

None
The fastest flight from Washington, D.C. Reagan-National Airport to Osaka Kansai Intl Airport takes 21h 16m
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 21h 16m.

  • 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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