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Cheap flights from Washington, D.C. to Osaka from $505

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 - 9:50 pm
BWI
-
KIX
21h 45m2 stops
ANA Logo
9:10 pm - 2:11 pm
KIX
-
BWI
31h 01m2 stops
$838ANA
Sun, Jan 25 - Tue, Feb 10
United Airlines Logo
6:30 am - 4:40 pm
BWI
-
KIX
20h 10m1 stop
United Airlines Logo
6:35 pm - 7:32 am
KIX
-
BWI
26h 57m1 stop
$839United Airlines
Mon, Jan 5 - Thu, Jan 22
United Airlines Logo
6:30 am - 4:40 pm
BWI
-
KIX
20h 10m1 stop
United Airlines Logo
8:20 am - 9:21 pm
KIX
-
BWI
27h 01m2 stops
$841United Airlines
Mon, Jan 5 - Fri, Jan 23
United Airlines Logo
8:00 am - 4:40 pm
BWI
-
KIX
42h 40m2 stops
United Airlines Logo
6:35 pm - 11:20 am
KIX
-
BWI
30h 45m2 stops
$844United Airlines
Tue, Jan 6 - Thu, Jan 22
Delta Logo
6:05 am - 8:45 pm
BWI
-
KIX
24h 40m2 stops
Delta Logo
11:55 am - 12:41 am
KIX
-
BWI
26h 46m2 stops
$853Delta
Wed, Feb 4 - Wed, Feb 11
Multiple Airlines Logo
9:45 am - 8:35 pm
IAD
-
KIX
20h 50m2 stops
Multiple Airlines Logo
3:45 pm - 8:29 pm
KIX
-
IAD
18h 44m2 stops
$903Multiple Airlines
Sun, Jan 25 - Tue, Feb 10
Multiple Airlines Logo
9:00 am - 9:50 pm
IAD
-
KIX
22h 50m2 stops
Multiple Airlines Logo
8:00 am - 8:54 pm
KIX
-
IAD
26h 54m2 stops
$905Multiple Airlines
Mon, Feb 16 - Thu, Feb 26
Air Canada Logo
8:40 pm - 7:25 pm
DCA
-
KIX
32h 45m2 stops
Air Canada Logo
3:45 pm - 10:35 pm
KIX
-
DCA
20h 50m2 stops
$907Air Canada
Sun, Jan 25 - Tue, Feb 10
Air Canada Logo
8:40 pm - 7:25 pm
DCA
-
KIX
32h 45m2 stops
Air Canada Logo
3:45 pm - 10:35 pm
KIX
-
DCA
20h 50m2 stops
$947Air Canada
Sun, Jan 25 - Mon, Feb 9
Japan Airlines Logo
9:59 pm - 8:25 am
DCA
-
KIX
21h 26m2 stops
Japan Airlines Logo
6:45 am - 2:20 pm
KIX
-
DCA
20h 35m2 stops
$951Japan Airlines
Tue, Apr 14 - Wed, Apr 29

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

Our best ANA deals on Washington, D.C. to Osaka Kansai Intl Airport flight tickets
ANA
Jan 25
BWI10:05 amBaltimore/Washington
21h 45m
2 stops
KIX9:50 pmOsaka Kansai Intl
Feb 10
KIX9:10 pmOsaka Kansai Intl
31h 01m
2 stops
BWI2:11 pmBaltimore/Washington
$838
Find similar
ANA
Jan 5
BWI6:30 amBaltimore/Washington
20h 10m
1 stop
KIX4:40 pmOsaka Kansai Intl
Jan 19
KIX5:35 pmOsaka Kansai Intl
41h 46m
2 stops
BWI9:21 pmBaltimore/Washington
$862
Find similar
ANA
Jan 7
BWI10:05 amBaltimore/Washington
32h 30m
2 stops
KIX8:35 amOsaka Kansai Intl
Jan 20
KIX6:45 amOsaka Kansai Intl
21h 26m
2 stops
BWI2:11 pmBaltimore/Washington
$869
Find similar

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

Our best Delta deals on Washington, D.C. to Osaka Kansai Intl Airport flight tickets
Delta
Feb 4
BWI6:05 amBaltimore/Washington
24h 40m
2 stops
KIX8:45 pmOsaka Kansai Intl
Feb 11
KIX11:55 amOsaka Kansai Intl
26h 46m
2 stops
BWI12:41 amBaltimore/Washington
$853
Find similar
Delta
Feb 5
BWI6:05 amBaltimore/Washington
24h 40m
2 stops
KIX8:45 pmOsaka Kansai Intl
Feb 12
KIX9:00 amOsaka Kansai Intl
27h 02m
2 stops
BWI10:02 pmBaltimore/Washington
$953
Find similar
Delta
Jan 4
BWI6:00 amBaltimore/Washington
38h 45m
2 stops
KIX10:45 amOsaka Kansai Intl
Jan 20
KIX9:00 amOsaka Kansai Intl
29h 41m
2 stops
BWI12:41 amBaltimore/Washington
$2,434
Find similar

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 December 23, 2025.
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

Sun 1/25

10:05 am-9:50 pm

2 stops21h 45m

Osaka Kansai Intl

Tue 2/10

9:10 pm-2:11 pm

2 stops31h 01m

$838

BaltimoreOsaka

BWI - KIX

BWIKIX

Baltimore/Washington

Mon 1/5

6:30 am-4:40 pm

1 stop20h 10m

Osaka Kansai Intl

Thu 1/22

6:35 pm-7:32 am

1 stop26h 57m

$839

BaltimoreOsaka

BWI - KIX

BWIKIX

Baltimore/Washington

Mon 1/5

6:30 am-4:40 pm

1 stop20h 10m

Osaka Kansai Intl

Fri 1/23

8:20 am-9:21 pm

2 stops27h 01m

$841

BaltimoreOsaka

BWI - KIX

BWIKIX

Baltimore/Washington

Tue 1/6

8:00 am-4:40 pm

2 stops42h 40m

Osaka Kansai Intl

Thu 1/22

6:35 pm-11:20 am

2 stops30h 45m

$844

BaltimoreOsaka

BWI - KIX

BWIKIX

Baltimore/Washington

Wed 2/4

6:05 am-8:45 pm

2 stops24h 40m

Osaka Kansai Intl

Wed 2/11

11:55 am-12:41 am

2 stops26h 46m

$853

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Sun 1/25

9:45 am-8:35 pm

2 stops20h 50m

Osaka Kansai Intl

Tue 2/10

3:45 pm-8:29 pm

2 stops18h 44m

$903

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Mon 2/16

9:00 am-9:50 pm

2 stops22h 50m

Osaka Kansai Intl

Thu 2/26

8:00 am-8:54 pm

2 stops26h 54m

$905

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Sun 1/25

8:40 pm-7:25 pm

2 stops32h 45m

Osaka Kansai Intl

Tue 2/10

3:45 pm-10:35 pm

2 stops20h 50m

$907

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Sun 1/25

8:40 pm-7:25 pm

2 stops32h 45m

Osaka Kansai Intl

Mon 2/9

3:45 pm-10:35 pm

2 stops20h 50m

$947

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Tue 4/14

9:59 pm-8:25 am

2 stops21h 26m

Osaka Kansai Intl

Wed 4/29

6:45 am-2:20 pm

2 stops20h 35m

$951

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. 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 typical price of a round-trip flight between Washington, D.C. and Osaka Kansai Intl Airport?

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

The cheapest day to depart from Washington, D.C. 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. 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. 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. 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. to Osaka Kansai Intl Airport flights?

You could potentially save up to 36% 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
9,105 reviews
Search United Airlines flights
ANAPriceFrom $1,131Free CancellationRating
8.4
1,038 reviews
Search ANA flights

Traveling to a place near Osaka?

Book flights to Osaka if you plan to visit one of these locations
Nara
Izumisano
Himeji
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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