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Cheap flights from Washington, D.C. Reagan-National Airport to Osaka from $304

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 1/14. 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.
Alaska Airlines Logo
5:01 pm - 6:45 pmDCA-KIX
35h 44m3 stops
Alaska Airlines Logo
8:45 pm - 4:04 pmKIX-DCA
33h 19m2 stops
$981Alaska Airlines
Find Deal
Fri, Jan 30 - Fri, Feb 13
Multiple Airlines Logo
6:00 am - 5:40 pmDCA-KIX
45h 40m2 stops
Multiple Airlines Logo
3:00 pm - 10:35 pmKIX-DCA
21h 35m2 stops
$1,089Multiple Airlines
Find Deal
Thu, Nov 20 - Tue, Dec 2
Alaska Airlines Logo
5:09 pm - 6:45 pmDCA-KIX
35h 36m2 stops
Alaska Airlines Logo
8:45 pm - 4:04 pmKIX-DCA
33h 19m2 stops
$1,101Alaska Airlines
Find Deal
Fri, Jan 30 - Fri, Feb 13
Air Canada Logo
11:05 am - 4:25 pmDCA-KIX
40h 20m2 stops
Air Canada Logo
8:30 am - 10:27 pmKIX-DCA
26h 57m2 stops
$1,169Air Canada
Find Deal
Thu, Apr 16 - Fri, May 8
Air Canada Logo
6:00 am - 5:40 pmDCA-KIX
22h 40m2 stops
Air Canada Logo
6:05 pm - 8:59 amKIX-DCA
27h 54m2 stops
$1,197Air Canada
Find Deal
Wed, Mar 18 - Mon, Mar 30
United Airlines Logo
7:00 am - 4:40 pmDCA-KIX
19h 40m1 stop
United Airlines Logo
6:35 pm - 9:36 pmKIX-DCA
17h 01m1 stop
$1,213United Airlines
Find Deal
Tue, Dec 2 - Fri, Dec 12
United Airlines Logo
7:00 am - 4:40 pmDCA-KIX
19h 40m1 stop
United Airlines Logo
8:20 am - 1:52 pmKIX-DCA
19h 32m2 stops
$1,215United Airlines
Find Deal
Tue, Dec 2 - Fri, Dec 12
Delta Logo
6:00 am - 8:45 pmDCA-KIX
24h 45m2 stops
Delta Logo
9:00 am - 9:41 pmKIX-DCA
26h 41m2 stops
$1,227Delta
Find Deal
Mon, Dec 1 - Tue, Dec 16
Korean Air Logo
6:07 am - 8:45 pmDCA-KIX
24h 38m2 stops
Korean Air Logo
6:10 pm - 12:51 pmKIX-DCA
32h 41m2 stops
$1,233Korean Air
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Tue, Dec 2 - Thu, Dec 11
Korean Air Logo
6:07 am - 8:45 pmDCA-KIX
24h 38m2 stops
Korean Air Logo
6:10 pm - 12:51 pmKIX-DCA
32h 41m2 stops
$1,283Korean Air
Find Deal
Tue, Dec 2 - Sun, Dec 14

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
Apr 16
DCA11:05 amWashington, D.C. Reagan-National
40h 20m
2 stops
KIX4:25 pmOsaka Kansai Intl
May 8
KIX8:30 amOsaka Kansai Intl
26h 57m
2 stops
DCA10:27 pmWashington, D.C. Reagan-National
$1,169
Find similar
Air Canada
Mar 18
DCA6:00 amWashington, D.C. Reagan-National
22h 40m
2 stops
KIX5:40 pmOsaka Kansai Intl
Mar 30
KIX6:05 pmOsaka Kansai Intl
27h 54m
2 stops
DCA8:59 amWashington, D.C. Reagan-National
$1,197
Find similar
Air Canada
Apr 3
DCA6:59 amWashington, D.C. Reagan-National
23h 31m
2 stops
KIX7:30 pmOsaka Kansai Intl
Apr 11
KIX6:05 pmOsaka Kansai Intl
29h 14m
2 stops
DCA10:19 amWashington, D.C. Reagan-National
$1,214
Find similar

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

Our best United Airlines deals on Washington, D.C. Reagan-National Airport to Osaka Kansai Intl Airport flight tickets
United Airlines
Dec 2
DCA7:00 amWashington, D.C. Reagan-National
19h 40m
1 stop
KIX4:40 pmOsaka Kansai Intl
Dec 12
KIX6:35 pmOsaka Kansai Intl
17h 01m
1 stop
DCA9:36 pmWashington, D.C. Reagan-National
$1,213
Find similar
United Airlines
Dec 2
DCA7:00 amWashington, D.C. Reagan-National
19h 40m
1 stop
KIX4:40 pmOsaka Kansai Intl
Dec 12
KIX8:20 amOsaka Kansai Intl
19h 32m
2 stops
DCA1:52 pmWashington, D.C. Reagan-National
$1,215
Find similar
United Airlines
Dec 2
DCA7:00 amWashington, D.C. Reagan-National
19h 40m
1 stop
KIX4:40 pmOsaka Kansai Intl
Dec 14
KIX6:35 pmOsaka Kansai Intl
17h 01m
1 stop
DCA9:36 pmWashington, D.C. Reagan-National
$1,263
Find similar

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 November 6, 2025.
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

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Fri 1/30

5:01 pm-6:45 pm

3 stops35h 44m

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

Thu 11/20

6:00 am-5:40 pm

2 stops45h 40m

Osaka Kansai Intl

Tue 12/2

3:00 pm-10:35 pm

2 stops21h 35m

$1,089

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

$1,101

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Thu 4/16

11:05 am-4:25 pm

2 stops40h 20m

Osaka Kansai Intl

Fri 5/8

8:30 am-10:27 pm

2 stops26h 57m

$1,169

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Wed 3/18

6:00 am-5:40 pm

2 stops22h 40m

Osaka Kansai Intl

Mon 3/30

6:05 pm-8:59 am

2 stops27h 54m

$1,197

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Tue 12/2

7:00 am-4:40 pm

1 stop19h 40m

Osaka Kansai Intl

Fri 12/12

6:35 pm-9:36 pm

1 stop17h 01m

$1,213

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Tue 12/2

7:00 am-4:40 pm

1 stop19h 40m

Osaka Kansai Intl

Fri 12/12

8:20 am-1:52 pm

2 stops19h 32m

$1,215

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Mon 12/1

6:00 am-8:45 pm

2 stops24h 45m

Osaka Kansai Intl

Tue 12/16

9:00 am-9:41 pm

2 stops26h 41m

$1,227

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Tue 12/2

6:07 am-8:45 pm

2 stops24h 38m

Osaka Kansai Intl

Thu 12/11

6:10 pm-12:51 pm

2 stops32h 41m

$1,233

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Tue 12/2

6:07 am-8:45 pm

2 stops24h 38m

Osaka Kansai Intl

Sun 12/14

6:10 pm-12:51 pm

2 stops32h 41m

$1,283

Flights are sorted by cheapest round-trip flights first.

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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

What is the cheapest day to depart on your flight to Osaka Kansai Intl Airport?

The cheapest day to depart from Washington, D.C. Reagan-National Airport to Osaka Kansai Intl Airport is on a Tuesday. Travelers who choose to depart for Osaka Kansai Intl Airport on a Tuesday will often find tickets for as low as $1,363. Flights from Washington, D.C. Reagan-National Airport to Osaka Kansai Intl Airport on a Saturday will generally be more expensive and average around $1,655. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Osaka Kansai Intl Airport?

Our data shows that the cheapest Washington, D.C. Reagan-National Airport to Osaka Kansai Intl Airport flights are usually those with departure times at noon. Our users have found flights to Osaka Kansai Intl Airport at noon for as low as $990. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $1,515 on average. Flights to Osaka Kansai Intl Airport from Washington, D.C. Reagan-National Airport in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

You could potentially save up to 48% 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

Direct flights

None
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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  • 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 19h 40m.

  • 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
Nara
Himeji
Izumisano
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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