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Cheap flights from Washington, D.C. to Osaka from $401

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 11/1. 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

Multiple Airlines Logo
5:35 am - 9:40 pmBWI-KIX
27h 05m2 stops
Multiple Airlines Logo
7:30 am - 7:19 pmKIX-BWI
25h 49m2 stops
$826Multiple Airlines
Find Deal
Sat, Nov 1 - Sat, Nov 8
Multiple Airlines Logo
8:26 pm - 8:55 pmBWI-KIX
34h 29m2 stops
Multiple Airlines Logo
7:50 am - 7:19 pmKIX-BWI
25h 29m2 stops
$852Multiple Airlines
Find Deal
Wed, Nov 5 - Thu, Nov 13
ANA Logo
6:45 am - 2:50 pmBWI-KIX
19h 05m1 stop
ANA Logo
4:50 pm - 9:30 pmKIX-BWI
17h 40m1 stop
$1,048ANA
Find Deal
Wed, Oct 1 - Fri, Oct 17
United Airlines Logo
5:20 pm - 2:50 pmBWI-KIX
32h 30m2 stops
United Airlines Logo
4:50 pm - 9:30 pmKIX-BWI
17h 40m1 stop
$1,058United Airlines
Find Deal
Sat, Sep 27 - Tue, Oct 7
United Airlines Logo
6:45 am - 2:50 pmBWI-KIX
19h 05m1 stop
United Airlines Logo
4:50 pm - 9:55 amKIX-BWI
30h 05m2 stops
$1,059United Airlines
Find Deal
Wed, Oct 1 - Fri, Oct 17
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
ANA Logo
12:20 pm - 10:20 pmIAD-KIX
20h 00m1 stop
ANA Logo
7:05 am - 9:10 amKIX-IAD
16h 05m1 stop
$1,085ANA
Find Deal
Wed, Nov 5 - Wed, Nov 26
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
$1,087Air Canada
Find Deal
Thu, Oct 23 - Mon, Oct 27
American Airlines Logo
8:35 am - 6:50 pmDCA-KIX
20h 15m1 stop
American Airlines Logo
5:50 pm - 8:44 pmKIX-DCA
16h 54m1 stop
$1,120American Airlines
Find Deal
Wed, Nov 5 - Wed, Nov 26
American Airlines Logo
6:00 am - 6:50 pmDCA-KIX
22h 50m2 stops
American Airlines Logo
5:50 pm - 12:03 amKIX-DCA
20h 13m2 stops
$1,125American Airlines
Find Deal
Wed, Nov 5 - Wed, Nov 26

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

Our best American Airlines deals on Washington, D.C. to Osaka Kansai Intl Airport flight tickets
American Airlines
Nov 5
DCA8:35 amWashington, D.C. Reagan-National
20h 15m
1 stop
KIX6:50 pmOsaka Kansai Intl
Nov 26
KIX5:50 pmOsaka Kansai Intl
16h 54m
1 stop
DCA8:44 pmWashington, D.C. Reagan-National
$1,120
Find similar
American Airlines
Nov 5
DCA6:00 amWashington, D.C. Reagan-National
22h 50m
2 stops
KIX6:50 pmOsaka Kansai Intl
Nov 26
KIX5:50 pmOsaka Kansai Intl
20h 13m
2 stops
DCA12:03 amWashington, D.C. Reagan-National
$1,125
Find similar
American Airlines
Oct 29
DCA8:19 amWashington, D.C. Reagan-National
21h 31m
1 stop
KIX6:50 pmOsaka Kansai Intl
Nov 9
KIX5:50 pmOsaka Kansai Intl
16h 54m
1 stop
DCA8:44 pmWashington, D.C. Reagan-National
$1,170
Find similar

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

Our best Cathay Pacific deals on Washington, D.C. to Osaka Kansai Intl Airport flight tickets
Cathay Pacific
Oct 1
DCA5:30 pmWashington, D.C. Reagan-National
32h 45m
2 stops
KIX3:15 pmOsaka Kansai Intl
Oct 6
KIX7:35 pmOsaka Kansai Intl
42h 24m
2 stops
DCA12:59 amWashington, D.C. Reagan-National
$1,155
Find similar
Cathay Pacific
Oct 1
DCA5:30 pmWashington, D.C. Reagan-National
30h 30m
2 stops
KIX1:00 pmOsaka Kansai Intl
Oct 6
KIX4:20 pmOsaka Kansai Intl
45h 39m
3 stops
DCA12:59 amWashington, D.C. Reagan-National
$1,171
Find similar
Cathay Pacific
Nov 4
IAD5:27 pmWashington, D.C. Dulles Intl
34h 23m
2 stops
KIX5:50 pmOsaka Kansai Intl
Nov 12
KIX7:05 pmOsaka Kansai Intl
41h 27m
2 stops
IAD10:32 pmWashington, D.C. Dulles Intl
$1,185
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 September 17, 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

Sat 11/1

5:35 am-9:40 pm

2 stops27h 05m

Osaka Kansai Intl

Sat 11/8

7:30 am-7:19 pm

2 stops25h 49m

$826

BaltimoreOsaka

BWI - KIX

BWIKIX

Baltimore/Washington

Wed 11/5

8:26 pm-8:55 pm

2 stops34h 29m

Osaka Kansai Intl

Thu 11/13

7:50 am-7:19 pm

2 stops25h 29m

$852

BaltimoreOsaka

BWI - KIX

BWIKIX

Baltimore/Washington

Wed 10/1

6:45 am-2:50 pm

1 stop19h 05m

Osaka Kansai Intl

Fri 10/17

4:50 pm-9:30 pm

1 stop17h 40m

$1,048

BaltimoreOsaka

BWI - KIX

BWIKIX

Baltimore/Washington

Sat 9/27

5:20 pm-2:50 pm

2 stops32h 30m

Osaka Kansai Intl

Tue 10/7

4:50 pm-9:30 pm

1 stop17h 40m

$1,058

BaltimoreOsaka

BWI - KIX

BWIKIX

Baltimore/Washington

Wed 10/1

6:45 am-2:50 pm

1 stop19h 05m

Osaka Kansai Intl

Fri 10/17

4:50 pm-9:55 am

2 stops30h 05m

$1,059

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

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Wed 11/5

12:20 pm-10:20 pm

1 stop20h 00m

Osaka Kansai Intl

Wed 11/26

7:05 am-9:10 am

1 stop16h 05m

$1,085

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

$1,087

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Wed 11/5

8:35 am-6:50 pm

1 stop20h 15m

Osaka Kansai Intl

Wed 11/26

5:50 pm-8:44 pm

1 stop16h 54m

$1,120

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Wed 11/5

6:00 am-6:50 pm

2 stops22h 50m

Osaka Kansai Intl

Wed 11/26

5:50 pm-12:03 am

2 stops20h 13m

$1,125

Flights are sorted by cheapest round-trip flights 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

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 10% 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

Direct flights

None
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.
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  • 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 10m.

  • 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 $562Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
ANAPriceFrom $1,134Free CancellationRating
8.4
964 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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