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Cheap flights from Washington, D.C. to Osaka from $432

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. to Osaka departing on 2/8. 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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0 bags

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Find the cheapest flights from Washington, D.C. to Osaka

Cheap round-trip flights

Enter your travel dates to find the best prices.
ANA Logo
10:05 am - 4:55 pm
BWI
-
KIX
40h 50m
2 stops
ANA Logo
7:05 am - 9:17 pm
KIX
-
BWI
28h 12m
2 stops
$830ANA
Mon, Feb 9 - Fri, Feb 27
United Airlines Logo
12:25 pm - 4:40 pm
BWI
-
KIX
38h 15m
2 stops
United Airlines Logo
6:35 pm - 7:27 am
KIX
-
BWI
26h 52m
1 stop
$844United Airlines
Mon, Feb 9 - Fri, Feb 27
United Airlines Logo
6:34 pm - 4:40 pm
BWI
-
KIX
32h 06m
1 stop
United Airlines Logo
6:35 pm - 7:27 am
KIX
-
BWI
26h 52m
1 stop
$850United Airlines
Mon, Feb 9 - Fri, Feb 27
United Airlines Logo
8:42 am - 4:40 pm
BWI
-
KIX
41h 58m
1 stop
United Airlines Logo
8:20 am - 4:06 pm
KIX
-
BWI
21h 46m
2 stops
$852United Airlines
Mon, Feb 2 - Tue, Feb 10
Multiple Airlines Logo
9:00 am - 10:20 pm
IAD
-
KIX
23h 20m
2 stops
Multiple Airlines Logo
10:50 am - 8:54 pm
KIX
-
IAD
24h 04m
2 stops
$872Multiple Airlines
Mon, Feb 16 - Thu, Feb 26
Multiple Airlines Logo
9:00 am - 10:20 pm
IAD
-
KIX
23h 20m
2 stops
Multiple Airlines Logo
10:40 am - 8:54 pm
KIX
-
IAD
24h 14m
2 stops
$874Multiple Airlines
Tue, Feb 10 - Tue, Feb 17
Air Canada Logo
11:05 am - 5:40 pm
DCA
-
KIX
40h 35m
2 stops
Air Canada Logo
7:25 pm - 9:21 am
KIX
-
DCA
27h 56m
2 stops
$897Air Canada
Sat, Feb 28 - Sat, Mar 7
Air Canada Logo
6:00 am - 5:40 pm
DCA
-
KIX
45h 40m
2 stops
Air Canada Logo
7:25 pm - 9:21 am
KIX
-
DCA
27h 56m
2 stops
$901Air Canada
Sat, Feb 28 - Sat, Mar 7
Japan Airlines Logo
8:35 am - 10:15 pm
DCA
-
KIX
24h 40m
2 stops
Japan Airlines Logo
6:45 am - 3:44 pm
KIX
-
DCA
21h 59m
2 stops
$951Japan Airlines
Mon, Apr 6 - Thu, Apr 16
Japan Airlines Logo
8:47 am - 10:20 pm
DCA
-
KIX
23h 33m
2 stops
Japan Airlines Logo
7:00 am - 12:44 pm
KIX
-
DCA
19h 44m
2 stops
$952Japan Airlines
Mon, Feb 9 - Fri, Feb 27

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

Our best Air Canada deals on Washington, D.C. to Osaka Kansai Intl Airport flight tickets
Air Canada
Jan 19
DCA6:59 amWashington, D.C. Reagan-National
22h 26m
2 stops
KIX7:25 pmOsaka Kansai Intl
Jan 22
KIX3:45 pmOsaka Kansai Intl
31h 10m
2 stops
DCA8:55 amWashington, D.C. Reagan-National
$886
Air Canada
Feb 28
DCA6:00 amWashington, D.C. Reagan-National
45h 40m
2 stops
KIX5:40 pmOsaka Kansai Intl
Mar 7
KIX7:25 pmOsaka Kansai Intl
27h 56m
2 stops
DCA9:21 amWashington, D.C. Reagan-National
$901
Air Canada
Feb 28
DCA6:00 amWashington, D.C. Reagan-National
45h 40m
2 stops
KIX5:40 pmOsaka Kansai Intl
Mar 7
KIX7:25 pmOsaka Kansai Intl
27h 56m
2 stops
DCA9:21 amWashington, D.C. Reagan-National
$902

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

Our best United Airlines deals on Washington, D.C. to Osaka Kansai Intl Airport flight tickets
United Airlines
Feb 9
BWI12:25 pmBaltimore/Washington
38h 15m
2 stops
KIX4:40 pmOsaka Kansai Intl
Feb 27
KIX6:35 pmOsaka Kansai Intl
26h 52m
1 stop
BWI7:27 amBaltimore/Washington
$844
United Airlines
Feb 9
BWI6:34 pmBaltimore/Washington
32h 06m
1 stop
KIX4:40 pmOsaka Kansai Intl
Feb 27
KIX6:35 pmOsaka Kansai Intl
26h 52m
1 stop
BWI7:27 amBaltimore/Washington
$850
United Airlines
Feb 2
BWI8:42 amBaltimore/Washington
41h 58m
1 stop
KIX4:40 pmOsaka Kansai Intl
Feb 10
KIX8:20 amOsaka Kansai Intl
21h 46m
2 stops
BWI4:06 pmBaltimore/Washington
$852

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. 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 January 14, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Osaka Kansai Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BaltimoreOsaka

BWI - KIX

BWIKIX

Baltimore/Washington

Mon 2/9

10:05 am-4:55 pm

2 stops40h 50m

Osaka Kansai Intl

Fri 2/27

7:05 am-9:17 pm

2 stops28h 12m

$830

BaltimoreOsaka

BWI - KIX

BWIKIX

Baltimore/Washington

Mon 2/9

12:25 pm-4:40 pm

2 stops38h 15m

Osaka Kansai Intl

Fri 2/27

6:35 pm-7:27 am

1 stop26h 52m

$844

BaltimoreOsaka

BWI - KIX

BWIKIX

Baltimore/Washington

Mon 2/9

6:34 pm-4:40 pm

1 stop32h 06m

Osaka Kansai Intl

Fri 2/27

6:35 pm-7:27 am

1 stop26h 52m

$850

BaltimoreOsaka

BWI - KIX

BWIKIX

Baltimore/Washington

Mon 2/2

8:42 am-4:40 pm

1 stop41h 58m

Osaka Kansai Intl

Tue 2/10

8:20 am-4:06 pm

2 stops21h 46m

$852

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Mon 2/16

9:00 am-10:20 pm

2 stops23h 20m

Osaka Kansai Intl

Thu 2/26

10:50 am-8:54 pm

2 stops24h 04m

$872

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Tue 2/10

9:00 am-10:20 pm

2 stops23h 20m

Osaka Kansai Intl

Tue 2/17

10:40 am-8:54 pm

2 stops24h 14m

$874

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Sat 2/28

11:05 am-5:40 pm

2 stops40h 35m

Osaka Kansai Intl

Sat 3/7

7:25 pm-9:21 am

2 stops27h 56m

$897

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Sat 2/28

6:00 am-5:40 pm

2 stops45h 40m

Osaka Kansai Intl

Sat 3/7

7:25 pm-9:21 am

2 stops27h 56m

$901

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Mon 4/6

8:35 am-10:15 pm

2 stops24h 40m

Osaka Kansai Intl

Thu 4/16

6:45 am-3:44 pm

2 stops21h 59m

$951

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Mon 2/9

8:47 am-10:20 pm

2 stops23h 33m

Osaka Kansai Intl

Fri 2/27

7:00 am-12:44 pm

2 stops19h 44m

$952

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Washington, D.C. 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. to Osaka Kansai Intl Airport flights?

You could potentially save up to 30% on your flight if you consider stops on a Washington, D.C. to Osaka Kansai Intl Airport flight.

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

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. 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. to Osaka Kansai Intl Airport (WAS to KIX) flight deals and tips

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

Fastest flight time

17h 40m

Direct flights

None
The fastest flight from Washington, D.C. to Osaka Kansai Intl Airport takes 17h 40m
There are no direct flights from Washington, D.C. to Osaka Kansai Intl Airport. There are no popular flight routes from Washington, D.C. to Osaka Kansai Intl Airport.
Search flight deals

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

    The distance between Washington, D.C. and Osaka Kansai Intl is about 6960.7 mi. By plane, this route typically takes 17h 40m.

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

    Prices for flights from Washington, D.C. to Osaka Kansai Intl Airport were last updated today.

  • How many operators does momondo search for flights from Washington, D.C. to Osaka Kansai Intl Airport?

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington, D.C. to Osaka Kansai Intl Airport.

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

    The required travel and health documents for your Osaka Kansai Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Osaka Kansai Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Washington, D.C. to Osaka Kansai Intl Airport?

Best airlines flying from Washington, D.C. to Osaka Kansai Intl Airport

Compare and see reviews for airlines that fly from Washington, D.C. to Osaka Kansai Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $157Free CancellationRating
7.4
9,156 reviews
Search United Airlines flights
ANAPriceFrom $965Free CancellationRating
8.4
1,069 reviews
Search ANA flights

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?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington, D.C. to Osaka. Millions of users trust and use momondo every year so you are in good hands.

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

Flights from Washington, D.C. to Osaka with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Washington, D.C. to Osaka.

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

Yes. momondo can track prices for Washington, D.C. to Osaka flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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