Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Washington, D.C. Dulles Intl Airport to Osaka from $519

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 8/2. 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.
EVA Air Logo
1:15 am - 12:10 pm
IAD
-
KIX
21h 55m
1 stop
EVA Air Logo
11:10 am - 10:00 pm
KIX
-
IAD
23h 50m
1 stop
$1,143EVA Air
Wed, Sep 9 - Wed, Sep 16
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
$1,147EVA Air
Mon, Sep 28 - Sun, Oct 4
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
$1,156EVA Air
Mon, Sep 28 - Sun, Oct 4
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
$1,180EVA Air
Fri, Sep 18 - Sun, Oct 4
EVA Air Logo
1:15 am - 5:15 pm
IAD
-
KIX
27h 00m
1 stop
EVA Air Logo
6:30 pm - 10:00 pm
KIX
-
IAD
40h 30m
1 stop
$1,194EVA Air
Fri, Sep 25 - Sun, Oct 4
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
$1,222EVA Air
Sat, Sep 26 - Thu, Oct 22
STARLUX Airlines Logo
5:33 pm - 12:15 pm
IAD
-
KIX
29h 42m
2 stops
STARLUX Airlines Logo
12:20 pm - 5:40 am
KIX
-
IAD
30h 20m
2 stops
$1,239STARLUX Airlines
Wed, Oct 14 - Mon, Oct 26
Multiple Airlines Logo
5:57 pm - 10:10 am
IAD
-
KIX
27h 13m
2 stops
Multiple Airlines Logo
6:30 pm - 10:00 pm
KIX
-
IAD
40h 30m
1 stop
$1,240Multiple Airlines
Tue, Sep 29 - Sun, Oct 4
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
$1,244EVA Air
Mon, Sep 28 - Fri, Oct 2
Multiple Airlines Logo
1:15 am - 5:15 pm
IAD
-
KIX
27h 00m
1 stop
Multiple Airlines Logo
6:30 pm - 5:40 am
KIX
-
IAD
24h 10m
2 stops
$1,246Multiple Airlines
Wed, Sep 9 - Wed, Sep 16

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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

Our best ANA deals on Washington, D.C. Dulles Intl Airport to Osaka Kansai Intl Airport flight tickets
ANA
Sep 2
IAD12:50 pmWashington, D.C. Dulles Intl
20h 30m
1 stop
KIX10:20 pmOsaka Kansai Intl
Nov 18
KIX8:20 amOsaka Kansai Intl
21h 20m
1 stop
IAD3:40 pmWashington, D.C. Dulles Intl
$1,356
ANA
Aug 5
IAD8:15 amWashington, D.C. Dulles Intl
24h 35m
2 stops
KIX9:50 pmOsaka Kansai Intl
Aug 19
KIX9:00 pmOsaka Kansai Intl
31h 50m
1 stop
IAD3:50 pmWashington, D.C. Dulles Intl
$1,378
ANA
Aug 10
IAD10:21 pmWashington, D.C. Dulles Intl
27h 29m
1 stop
KIX2:50 pmOsaka Kansai Intl
Aug 24
KIX9:00 pmOsaka Kansai Intl
31h 50m
1 stop
IAD3:50 pmWashington, D.C. Dulles Intl
$1,379

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

Our best STARLUX Airlines deals on Washington, D.C. Dulles Intl Airport to Osaka Kansai Intl Airport flight tickets
STARLUX Airlines
Sep 19
IAD5:46 pmWashington, D.C. Dulles Intl
31h 14m
2 stops
KIX2:00 pmOsaka Kansai Intl
Oct 4
KIX3:10 pmOsaka Kansai Intl
27h 30m
2 stops
IAD5:40 amWashington, D.C. Dulles Intl
$1,292
STARLUX Airlines
Sep 2
IAD5:47 pmWashington, D.C. Dulles Intl
29h 28m
2 stops
KIX12:15 pmOsaka Kansai Intl
Nov 18
KIX2:00 pmOsaka Kansai Intl
29h 51m
2 stops
IAD5:51 amWashington, D.C. Dulles Intl
$1,316
STARLUX Airlines
Aug 24
IAD5:47 pmWashington, D.C. Dulles Intl
29h 28m
2 stops
KIX12:15 pmOsaka Kansai Intl
Aug 31
KIX3:10 pmOsaka Kansai Intl
27h 30m
2 stops
IAD5:40 amWashington, D.C. Dulles Intl
$1,339

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 June 23, 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
Quickest round-trip

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Wed 9/9

1:15 am-12:10 pm

1 stop21h 55m

Osaka Kansai Intl

Wed 9/16

11:10 am-10:00 pm

1 stop23h 50m

$1,143

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

$1,147

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

$1,156

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Fri 9/18

1:15 am-12:10 pm

1 stop21h 55m

Osaka Kansai Intl

Sun 10/4

6:30 pm-10:00 pm

1 stop40h 30m

$1,180

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Fri 9/25

1:15 am-5:15 pm

1 stop27h 00m

Osaka Kansai Intl

Sun 10/4

6:30 pm-10:00 pm

1 stop40h 30m

$1,194

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Sat 9/26

1:15 am-12:10 pm

1 stop21h 55m

Osaka Kansai Intl

Thu 10/22

6:30 pm-10:00 pm

1 stop40h 30m

$1,222

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Wed 10/14

5:33 pm-12:15 pm

2 stops29h 42m

Osaka Kansai Intl

Mon 10/26

12:20 pm-5:40 am

2 stops30h 20m

$1,239

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Tue 9/29

5:57 pm-10:10 am

2 stops27h 13m

Osaka Kansai Intl

Sun 10/4

6:30 pm-10:00 pm

1 stop40h 30m

$1,240

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

Fri 10/2

6:30 pm-10:00 pm

1 stop40h 30m

$1,244

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Wed 9/9

1:15 am-5:15 pm

1 stop27h 00m

Osaka Kansai Intl

Wed 9/16

6:30 pm-5:40 am

2 stops24h 10m

$1,246

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 21% 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 04m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Osaka Kansai Intl Airport takes 19h 04m
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 04m.

  • 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
1,251 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.

An easier way to manage your Osaka Kansai Intl Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 7/23
Thu 7/30
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Osaka

Popular cities in Japan

Popular flights according to clicks in the last 7 days on momondo
Flights to Tokyo Haneda Airportfrom $665
Flights to Tokyo Narita Airportfrom $388
Flights to Osaka Itami Airportfrom $654
Flights to Nagoya Chubu Centrair Intl Airportfrom $763