Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Washington, D.C. Dulles Intl Airport to Osaka from $479

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 11/15. 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
0 bags

Discover deals from 900+ travel sites with momondo.

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

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

Cheap round-trip flights

Multiple Airlines Logo
7:43 am - 10:20 pmIAD-KIX
24h 37m2 stops
Multiple Airlines Logo
8:20 am - 6:18 amKIX-IAD
35h 58m2 stops
$1,029Multiple Airlines
Find Deal
Wed, Nov 12 - Sun, Nov 23
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
ANA Logo
8:30 am - 10:20 pmIAD-KIX
23h 50m2 stops
ANA Logo
7:05 am - 9:10 amKIX-IAD
16h 05m1 stop
$1,107ANA
Find Deal
Wed, Nov 5 - Wed, Nov 26
Air Canada Logo
5:22 pm - 4:25 pmIAD-KIX
34h 03m2 stops
Air Canada Logo
6:05 pm - 9:38 amKIX-IAD
28h 33m2 stops
$1,122Air Canada
Find Deal
Thu, Oct 16 - Thu, Oct 23
United Airlines Logo
10:10 pm - 4:40 pmIAD-KIX
28h 30m1 stop
United Airlines Logo
8:20 am - 6:51 amKIX-IAD
36h 31m2 stops
$1,123United Airlines
Find Deal
Sat, Nov 15 - Wed, Dec 3
Air Canada Logo
5:50 pm - 5:40 pmIAD-KIX
34h 50m2 stops
Air Canada Logo
7:25 pm - 4:21 pmKIX-IAD
34h 56m2 stops
$1,124Air Canada
Find Deal
Thu, Oct 30 - Thu, Nov 6
American Airlines Logo
6:04 am - 6:50 pmIAD-KIX
22h 46m2 stops
American Airlines Logo
5:50 pm - 11:59 pmKIX-IAD
20h 09m2 stops
$1,125American Airlines
Find Deal
Wed, Nov 5 - Wed, Nov 26
Air China Logo
10:00 pm - 12:40 pmIAD-KIX
24h 40m1 stop
Air China Logo
5:10 pm - 6:30 pmKIX-IAD
39h 20m1 stop
$1,148Air China
Find Deal
Fri, Nov 14 - Mon, Nov 24
American Airlines Logo
6:11 am - 6:50 pmIAD-KIX
23h 39m2 stops
American Airlines Logo
5:50 pm - 11:59 pmKIX-IAD
20h 09m2 stops
$1,175American Airlines
Find Deal
Wed, Oct 29 - Sun, Nov 9
United Airlines Logo
6:30 am - 2:50 pmIAD-KIX
19h 20m1 stop
United Airlines Logo
4:50 pm - 12:45 amKIX-IAD
20h 55m1 stop
$1,280United Airlines
Find Deal
Wed, Oct 1 - Thu, Oct 16

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
Oct 16
IAD5:22 pmWashington, D.C. Dulles Intl
34h 03m
2 stops
KIX4:25 pmOsaka Kansai Intl
Oct 23
KIX6:05 pmOsaka Kansai Intl
28h 33m
2 stops
IAD9:38 amWashington, D.C. Dulles Intl
$1,122
Find similar
Air Canada
Oct 30
IAD5:50 pmWashington, D.C. Dulles Intl
34h 50m
2 stops
KIX5:40 pmOsaka Kansai Intl
Nov 6
KIX7:25 pmOsaka Kansai Intl
34h 56m
2 stops
IAD4:21 pmWashington, D.C. Dulles Intl
$1,124
Find similar
Air Canada
Oct 23
IAD5:22 pmWashington, D.C. Dulles Intl
34h 03m
2 stops
KIX4:25 pmOsaka Kansai Intl
Oct 27
KIX7:25 pmOsaka Kansai Intl
38h 34m
2 stops
IAD8:59 pmWashington, D.C. Dulles Intl
$1,137
Find similar

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

Our best American Airlines deals on Washington, D.C. Dulles Intl Airport to Osaka Kansai Intl Airport flight tickets
American Airlines
Nov 5
IAD6:04 amWashington, D.C. Dulles Intl
22h 46m
2 stops
KIX6:50 pmOsaka Kansai Intl
Nov 26
KIX5:50 pmOsaka Kansai Intl
20h 09m
2 stops
IAD11:59 pmWashington, D.C. Dulles Intl
$1,125
Find similar
American Airlines
Oct 29
IAD6:11 amWashington, D.C. Dulles Intl
23h 39m
2 stops
KIX6:50 pmOsaka Kansai Intl
Nov 9
KIX5:50 pmOsaka Kansai Intl
20h 09m
2 stops
IAD11:59 pmWashington, D.C. Dulles Intl
$1,175
Find similar

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 September 17, 2025.
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

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Wed 11/12

7:43 am-10:20 pm

2 stops24h 37m

Osaka Kansai Intl

Sun 11/23

8:20 am-6:18 am

2 stops35h 58m

$1,029

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

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Wed 11/5

8:30 am-10:20 pm

2 stops23h 50m

Osaka Kansai Intl

Wed 11/26

7:05 am-9:10 am

1 stop16h 05m

$1,107

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Thu 10/16

5:22 pm-4:25 pm

2 stops34h 03m

Osaka Kansai Intl

Thu 10/23

6:05 pm-9:38 am

2 stops28h 33m

$1,122

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Sat 11/15

10:10 pm-4:40 pm

1 stop28h 30m

Osaka Kansai Intl

Wed 12/3

8:20 am-6:51 am

2 stops36h 31m

$1,123

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Thu 10/30

5:50 pm-5:40 pm

2 stops34h 50m

Osaka Kansai Intl

Thu 11/6

7:25 pm-4:21 pm

2 stops34h 56m

$1,124

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Wed 11/5

6:04 am-6:50 pm

2 stops22h 46m

Osaka Kansai Intl

Wed 11/26

5:50 pm-11:59 pm

2 stops20h 09m

$1,125

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Fri 11/14

10:00 pm-12:40 pm

1 stop24h 40m

Osaka Kansai Intl

Mon 11/24

5:10 pm-6:30 pm

1 stop39h 20m

$1,148

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Wed 10/29

6:11 am-6:50 pm

2 stops23h 39m

Osaka Kansai Intl

Sun 11/9

5:50 pm-11:59 pm

2 stops20h 09m

$1,175

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Wed 10/1

6:30 am-2:50 pm

1 stop19h 20m

Osaka Kansai Intl

Thu 10/16

4:50 pm-12:45 am

1 stop20h 55m

$1,280

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 typical price of a round-trip flight between Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport 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. Dulles Intl Airport 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. Dulles Intl Airport 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. Dulles Intl Airport in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

Direct flights

None
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

  • 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 17h 10m.

  • 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 $1,134Free CancellationRating
8.4
964 reviews
Search ANA flights
United AirlinesPriceFrom $1,170Free CancellationRating
7.4
8,926 reviews
Search United Airlines 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?

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
Fri 10/17
Fri 10/24
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 $497
Flights to Tokyo Narita Airportfrom $374
Flights to Nagoya Chubu Centrair Intl Airportfrom $529
Flights to Osaka Itami Airportfrom $531