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Cheap flights from Washington, D.C. Dulles Intl Airport to Osaka from $370

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. Dulles Intl Airport to Osaka departing on 8/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
1:20 pm - 3:00 pm
IAD
-
KIX
36h 40m
1 stop
Multiple Airlines Logo
7:40 pm - 10:50 am
KIX
-
IAD
28h 10m
1 stop
$1,086Multiple Airlines
Sun, Aug 23 - Sun, Aug 30
Multiple Airlines Logo
1:20 pm - 3:00 pm
IAD
-
KIX
36h 40m
1 stop
Multiple Airlines Logo
12:15 am - 10:50 am
KIX
-
IAD
23h 35m
1 stop
$1,112Multiple Airlines
Wed, Aug 26 - Tue, Sep 1
Multiple Airlines Logo
1:20 pm - 3:00 pm
IAD
-
KIX
36h 40m
1 stop
Multiple Airlines Logo
12:15 am - 10:50 am
KIX
-
IAD
23h 35m
1 stop
$1,113Multiple Airlines
Wed, Aug 26 - Tue, Sep 1
Multiple Airlines Logo
1:20 pm - 3:00 pm
IAD
-
KIX
36h 40m
1 stop
Multiple Airlines Logo
9:00 pm - 10:50 am
KIX
-
IAD
50h 50m
2 stops
$1,146Multiple Airlines
Wed, Aug 26 - Wed, Sep 2
EVA Air Logo
1:15 am - 12:10 pm
IAD
-
KIX
21h 55m
1 stop
EVA Air Logo
6:30 pm - 10:00 pm
KIX
-
IAD
40h 30m
1 stop
$1,154EVA Air
Mon, Sep 28 - Sun, Oct 4
Multiple Airlines Logo
1:20 pm - 10:05 am
IAD
-
KIX
31h 45m
1 stop
Multiple Airlines Logo
9:00 pm - 10:50 am
KIX
-
IAD
50h 50m
2 stops
$1,161Multiple Airlines
Wed, Aug 26 - Wed, Sep 2
EVA Air Logo
1:50 am - 12:10 pm
IAD
-
KIX
21h 20m
1 stop
EVA Air Logo
6:30 pm - 10:00 pm
KIX
-
IAD
40h 30m
1 stop
$1,166EVA Air
Mon, Aug 31 - Tue, Sep 15
EVA Air Logo
11:55 pm - 11:55 am
IAD
-
KIX
22h 00m
1 stop
EVA Air Logo
6:10 pm - 8:55 pm
KIX
-
IAD
40h 45m
1 stop
$1,168EVA Air
Mon, Nov 9 - Sun, Nov 15
Multiple Airlines Logo
1:20 pm - 3:00 pm
IAD
-
KIX
36h 40m
1 stop
Multiple Airlines Logo
7:40 pm - 10:50 am
KIX
-
IAD
28h 10m
1 stop
$1,172Multiple Airlines
Sun, Aug 23 - Sun, Aug 30
Multiple Airlines Logo
1:20 pm - 3:00 pm
IAD
-
KIX
36h 40m
1 stop
Multiple Airlines Logo
7:40 pm - 10:50 am
KIX
-
IAD
28h 10m
1 stop
$1,173Multiple Airlines
Sun, Aug 23 - Sun, Aug 30

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

Our best EVA Air deals on Washington, D.C. Dulles Intl Airport to Osaka Kansai Intl Airport flight tickets
EVA Air
Aug 31
IAD1:50 amWashington, D.C. Dulles Intl
21h 20m
1 stop
KIX12:10 pmOsaka Kansai Intl
Sep 15
KIX6:30 pmOsaka Kansai Intl
40h 30m
1 stop
IAD10:00 pmWashington, D.C. Dulles Intl
$1,154
EVA Air
Sep 28
IAD1:15 amWashington, D.C. Dulles Intl
21h 55m
1 stop
KIX12:10 pmOsaka Kansai Intl
Oct 4
KIX6:30 pmOsaka Kansai Intl
40h 30m
1 stop
IAD10:00 pmWashington, D.C. Dulles Intl
$1,155
EVA Air
Aug 31
IAD1:50 amWashington, D.C. Dulles Intl
21h 20m
1 stop
KIX12:10 pmOsaka Kansai Intl
Sep 15
KIX6:30 pmOsaka Kansai Intl
40h 30m
1 stop
IAD10:00 pmWashington, D.C. Dulles Intl
$1,163

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

Our best Air Canada deals on Washington, D.C. Dulles Intl Airport to Osaka Kansai Intl Airport flight tickets
Air Canada
Jul 21
IAD9:55 amWashington, D.C. Dulles Intl
17h 30m
1 stop
KIX4:25 pmOsaka Kansai Intl
Jul 28
KIX6:00 pmOsaka Kansai Intl
34h 24m
2 stops
IAD3:24 pmWashington, D.C. Dulles Intl
$1,655
Air Canada
Jul 16
IAD9:55 amWashington, D.C. Dulles Intl
17h 30m
1 stop
KIX4:25 pmOsaka Kansai Intl
Jul 28
KIX6:00 pmOsaka Kansai Intl
30h 12m
2 stops
IAD11:12 amWashington, D.C. Dulles Intl
$1,660
Air Canada
Jul 21
IAD10:14 pmWashington, D.C. Dulles Intl
29h 11m
2 stops
KIX4:25 pmOsaka Kansai Intl
Jul 28
KIX6:00 pmOsaka Kansai Intl
30h 11m
2 stops
IAD11:11 amWashington, D.C. Dulles Intl
$1,665

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Sun 8/23

1:20 pm-3:00 pm

1 stop36h 40m

Osaka Kansai Intl

Sun 8/30

7:40 pm-10:50 am

1 stop28h 10m

$1,086
Quickest round-trip

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Wed 8/26

1:20 pm-3:00 pm

1 stop36h 40m

Osaka Kansai Intl

Tue 9/1

12:15 am-10:50 am

1 stop23h 35m

$1,112

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Wed 8/26

1:20 pm-3:00 pm

1 stop36h 40m

Osaka Kansai Intl

Tue 9/1

12:15 am-10:50 am

1 stop23h 35m

$1,113

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Wed 8/26

1:20 pm-3:00 pm

1 stop36h 40m

Osaka Kansai Intl

Wed 9/2

9:00 pm-10:50 am

2 stops50h 50m

$1,146

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Mon 9/28

1:15 am-12:10 pm

1 stop21h 55m

Osaka Kansai Intl

Sun 10/4

6:30 pm-10:00 pm

1 stop40h 30m

$1,154

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Wed 8/26

1:20 pm-10:05 am

1 stop31h 45m

Osaka Kansai Intl

Wed 9/2

9:00 pm-10:50 am

2 stops50h 50m

$1,161

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Mon 8/31

1:50 am-12:10 pm

1 stop21h 20m

Osaka Kansai Intl

Tue 9/15

6:30 pm-10:00 pm

1 stop40h 30m

$1,166

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Mon 11/9

11:55 pm-11:55 am

1 stop22h 00m

Osaka Kansai Intl

Sun 11/15

6:10 pm-8:55 pm

1 stop40h 45m

$1,168

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Sun 8/23

1:20 pm-3:00 pm

1 stop36h 40m

Osaka Kansai Intl

Sun 8/30

7:40 pm-10:50 am

1 stop28h 10m

$1,172

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Sun 8/23

1:20 pm-3:00 pm

1 stop36h 40m

Osaka Kansai Intl

Sun 8/30

7:40 pm-10:50 am

1 stop28h 10m

$1,173

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. Dulles Intl 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 month to fly to Osaka Kansai Intl Airport?

In general, December is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Osaka Kansai Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. If you aren’t able to travel during the month of December, then book flights to Osaka Kansai Intl Airport from Washington, D.C. Dulles Intl Airport during January instead. Flights to Osaka Kansai Intl Airport in January, while not as cheap as those in December, still average around $0.

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

You could potentially save up to 14% on your flight if you consider stops on a Washington, D.C. Dulles Intl Airport to Osaka Kansai Intl Airport flight.

When to book flights from Washington, D.C. Dulles Intl 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. Dulles Intl 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. Dulles Intl Airport to Osaka Kansai Intl Airport (IAD to KIX) flight deals and tips

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

Fastest flight time

19h 30m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Osaka Kansai Intl Airport takes 19h 30m
There are no direct flights from Washington, D.C. Dulles Intl Airport to Osaka Kansai Intl Airport. There are no popular flight routes from Washington, D.C. Dulles Intl Airport to Osaka Kansai Intl Airport.
Search flight deals

Frequently asked questions about flying from Washington, D.C. Dulles Intl Airport to Osaka Kansai Intl Airport

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

    Washington, D.C. Dulles Intl and Osaka Kansai Intl are 6948.0 mi apart from one another. A reasonable flight in good conditions will take 19h 30m.

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

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

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

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

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

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

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Osaka Kansai Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
ANAPriceFrom $964Free CancellationRating
8.3
1,271 reviews
Search ANA flights

Traveling to a place near Osaka?

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

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Osaka?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Osaka from Washington, D.C..

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

All flight searches from Washington, D.C. to Osaka on momondo can be filtered to show those which offer flexible booking policies.

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

Once all potential Washington, D.C. to Osaka flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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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