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Cheap flights from Washington, D.C. Reagan-National Airport to Osaka from $461

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 10/28. 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

Logo
9:59 am - 9:40 amDCA-KIX
34h 41m2 stops
Logo
9:00 am - 8:00 pmKIX-DCA
25h 00m2 stops
$931
Find Deal
Tue, Oct 28 - Tue, Nov 4
Logo
9:59 am - 9:40 amDCA-KIX
34h 41m2 stops
Logo
9:00 am - 8:00 pmKIX-DCA
25h 00m2 stops
$969
Find Deal
Wed, Oct 29 - Wed, Nov 5
Logo
9:59 am - 9:40 amDCA-KIX
34h 41m2 stops
Logo
9:00 am - 8:00 pmKIX-DCA
25h 00m2 stops
$992
Find Deal
Wed, Oct 29 - Wed, Nov 5
Air Canada Logo
8:40 pm - 4:25 pmDCA-KIX
30h 45m2 stops
Air Canada Logo
7:25 pm - 9:56 pmKIX-DCA
39h 31m2 stops
$1,073Air Canada
Find Deal
Thu, Oct 23 - Mon, Oct 27
Air Canada Logo
11:05 am - 5:40 pmDCA-KIX
40h 35m2 stops
Air Canada Logo
3:45 pm - 8:55 amKIX-DCA
31h 10m2 stops
$1,091Air Canada
Find Deal
Tue, Nov 25 - Tue, Dec 23
ANA Logo
8:30 am - 10:20 pmDCA-KIX
24h 50m2 stops
ANA Logo
7:05 am - 2:10 pmKIX-DCA
20h 05m2 stops
$1,100ANA
Find Deal
Tue, Oct 7 - Tue, Oct 28
United Airlines Logo
7:00 am - 4:40 pmDCA-KIX
19h 40m1 stop
United Airlines Logo
6:35 pm - 9:43 pmKIX-DCA
17h 08m1 stop
$1,120United Airlines
Find Deal
Tue, Nov 25 - Thu, Dec 25
Japan Airlines Logo
5:45 pm - 8:25 amDCA-KIX
24h 40m2 stops
Japan Airlines Logo
7:00 am - 12:51 pmKIX-DCA
19h 51m2 stops
$1,121Japan Airlines
Find Deal
Sat, Nov 29 - Wed, Dec 24
Japan Airlines Logo
2:35 pm - 8:20 amDCA-KIX
28h 45m2 stops
Japan Airlines Logo
3:00 pm - 9:30 pmKIX-DCA
20h 30m2 stops
$1,147Japan Airlines
Find Deal
Wed, Oct 29 - Sun, Nov 9
United Airlines Logo
7:00 am - 4:40 pmDCA-KIX
19h 40m1 stop
United Airlines Logo
6:35 pm - 9:43 pmKIX-DCA
17h 08m1 stop
$1,170United Airlines
Find Deal
Thu, Nov 27 - Thu, Dec 25

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
Nov 25
DCA7:00 amWashington, D.C. Reagan-National
19h 40m
1 stop
KIX4:40 pmOsaka Kansai Intl
Dec 25
KIX6:35 pmOsaka Kansai Intl
17h 08m
1 stop
DCA9:43 pmWashington, D.C. Reagan-National
$1,120
Find similar
United Airlines
Nov 27
DCA7:00 amWashington, D.C. Reagan-National
19h 40m
1 stop
KIX4:40 pmOsaka Kansai Intl
Dec 25
KIX6:35 pmOsaka Kansai Intl
17h 08m
1 stop
DCA9:43 pmWashington, D.C. Reagan-National
$1,170
Find similar
United Airlines
Nov 27
DCA7:00 amWashington, D.C. Reagan-National
19h 40m
1 stop
KIX4:40 pmOsaka Kansai Intl
Dec 23
KIX6:35 pmOsaka Kansai Intl
30h 54m
2 stops
DCA11:29 amWashington, D.C. Reagan-National
$1,191
Find similar

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
Nov 29
DCA5:45 pmWashington, D.C. Reagan-National
24h 40m
2 stops
KIX8:25 amOsaka Kansai Intl
Dec 24
KIX7:00 amOsaka Kansai Intl
19h 51m
2 stops
DCA12:51 pmWashington, D.C. Reagan-National
$1,121
Find similar
Japan Airlines
Oct 29
DCA2:35 pmWashington, D.C. Reagan-National
28h 45m
2 stops
KIX8:20 amOsaka Kansai Intl
Nov 9
KIX3:00 pmOsaka Kansai Intl
20h 30m
2 stops
DCA9:30 pmWashington, D.C. Reagan-National
$1,147
Find similar
Japan Airlines
Oct 14
DCA10:45 pmWashington, D.C. Reagan-National
20h 35m
2 stops
KIX8:20 amOsaka Kansai Intl
Nov 14
KIX5:50 pmOsaka Kansai Intl
16h 54m
1 stop
DCA8:44 pmWashington, D.C. Reagan-National
$1,154
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 September 15, 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

Tue 10/28

9:59 am-9:40 am

2 stops34h 41m

Osaka Kansai Intl

Tue 11/4

9:00 am-8:00 pm

2 stops25h 00m

$931

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Wed 10/29

9:59 am-9:40 am

2 stops34h 41m

Osaka Kansai Intl

Wed 11/5

9:00 am-8:00 pm

2 stops25h 00m

$969

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Wed 10/29

9:59 am-9:40 am

2 stops34h 41m

Osaka Kansai Intl

Wed 11/5

9:00 am-8:00 pm

2 stops25h 00m

$992

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Thu 10/23

8:40 pm-4:25 pm

2 stops30h 45m

Osaka Kansai Intl

Mon 10/27

7:25 pm-9:56 pm

2 stops39h 31m

$1,073

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Tue 11/25

11:05 am-5:40 pm

2 stops40h 35m

Osaka Kansai Intl

Tue 12/23

3:45 pm-8:55 am

2 stops31h 10m

$1,091

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Tue 10/7

8:30 am-10:20 pm

2 stops24h 50m

Osaka Kansai Intl

Tue 10/28

7:05 am-2:10 pm

2 stops20h 05m

$1,100

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Tue 11/25

7:00 am-4:40 pm

1 stop19h 40m

Osaka Kansai Intl

Thu 12/25

6:35 pm-9:43 pm

1 stop17h 08m

$1,120

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Sat 11/29

5:45 pm-8:25 am

2 stops24h 40m

Osaka Kansai Intl

Wed 12/24

7:00 am-12:51 pm

2 stops19h 51m

$1,121

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Wed 10/29

2:35 pm-8:20 am

2 stops28h 45m

Osaka Kansai Intl

Sun 11/9

3:00 pm-9:30 pm

2 stops20h 30m

$1,147

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Thu 11/27

7:00 am-4:40 pm

1 stop19h 40m

Osaka Kansai Intl

Thu 12/25

6:35 pm-9:43 pm

1 stop17h 08m

$1,170

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

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 25% 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 18h 50m.

  • 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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