Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Washington, D.C. Dulles Intl Airport to Osaka from $426

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 10/6. 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

Logo
4:25 pm - 5:40 pmIAD-KIX
35h 15m2 stops
Logo
8:00 am - 8:26 pmKIX-IAD
26h 26m2 stops
$957
Find Deal
Thu, Nov 13 - Fri, Nov 21
Air Canada Logo
9:00 am - 7:25 pmIAD-KIX
20h 25m2 stops
Air Canada Logo
3:45 pm - 9:05 pmKIX-IAD
19h 20m2 stops
$962Air Canada
Find Deal
Mon, Feb 16 - Thu, Feb 26
Air Canada Logo
5:37 pm - 4:25 pmIAD-KIX
33h 48m2 stops
Air Canada Logo
7:25 pm - 8:59 pmKIX-IAD
38h 34m2 stops
$967Air Canada
Find Deal
Thu, Oct 23 - Mon, Oct 27
Air Canada Logo
5:50 pm - 5:40 pmIAD-KIX
33h 50m2 stops
Air Canada Logo
3:45 pm - 8:26 pmKIX-IAD
18h 41m2 stops
$984Air Canada
Find Deal
Thu, Nov 27 - Thu, Dec 11
ANA Logo
11:05 am - 6:15 pmIAD-KIX
17h 10m1 stop
ANA Logo
9:10 pm - 9:10 amKIX-IAD
26h 00m1 stop
$1,082ANA
Find Deal
Wed, Dec 31 - Tue, Jan 20
ANA Logo
11:05 am - 6:15 pmIAD-KIX
17h 10m1 stop
ANA Logo
6:45 am - 9:10 amKIX-IAD
16h 25m1 stop
$1,086ANA
Find Deal
Wed, Nov 19 - Tue, Dec 2
United Airlines Logo
10:31 pm - 4:40 pmIAD-KIX
28h 09m1 stop
United Airlines Logo
8:20 am - 3:40 pmKIX-IAD
21h 20m1 stop
$1,113United Airlines
Find Deal
Sat, Nov 29 - Thu, Dec 25
United Airlines Logo
11:05 am - 7:25 pmIAD-KIX
18h 20m1 stop
United Airlines Logo
8:20 am - 3:40 pmKIX-IAD
21h 20m1 stop
$1,115United Airlines
Find Deal
Sun, Feb 8 - Tue, Mar 3
Delta Logo
6:00 am - 8:45 pmIAD-KIX
24h 45m2 stops
Delta Logo
11:55 am - 9:13 pmKIX-IAD
23h 18m2 stops
$1,135Delta
Find Deal
Sun, Feb 8 - Fri, Mar 6
Air China Logo
11:00 pm - 8:30 pmIAD-KIX
32h 30m1 stop
Air China Logo
9:05 am - 7:30 pmKIX-IAD
23h 25m1 stop
$1,139Air China
Find Deal
Fri, Oct 17 - Fri, Oct 24

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
Feb 16
IAD9:00 amWashington, D.C. Dulles Intl
20h 25m
2 stops
KIX7:25 pmOsaka Kansai Intl
Feb 26
KIX3:45 pmOsaka Kansai Intl
19h 20m
2 stops
IAD9:05 pmWashington, D.C. Dulles Intl
$962
Find similar
Air Canada
Oct 23
IAD5:37 pmWashington, D.C. Dulles Intl
33h 48m
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
$967
Find similar
Air Canada
Nov 27
IAD5:50 pmWashington, D.C. Dulles Intl
33h 50m
2 stops
KIX5:40 pmOsaka Kansai Intl
Dec 11
KIX3:45 pmOsaka Kansai Intl
18h 41m
2 stops
IAD8:26 pmWashington, D.C. Dulles Intl
$984
Find similar

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

Our best United Airlines deals on Washington, D.C. Dulles Intl Airport to Osaka Kansai Intl Airport flight tickets
United Airlines
Nov 29
IAD10:31 pmWashington, D.C. Dulles Intl
28h 09m
1 stop
KIX4:40 pmOsaka Kansai Intl
Dec 25
KIX8:20 amOsaka Kansai Intl
21h 20m
1 stop
IAD3:40 pmWashington, D.C. Dulles Intl
$1,113
Find similar
United Airlines
Feb 8
IAD11:05 amWashington, D.C. Dulles Intl
18h 20m
1 stop
KIX7:25 pmOsaka Kansai Intl
Mar 3
KIX8:20 amOsaka Kansai Intl
21h 20m
1 stop
IAD3:40 pmWashington, D.C. Dulles Intl
$1,115
Find similar
United Airlines
Feb 7
IAD5:45 pmWashington, D.C. Dulles Intl
32h 55m
2 stops
KIX4:40 pmOsaka Kansai Intl
Mar 4
KIX8:20 amOsaka Kansai Intl
21h 20m
1 stop
IAD3:40 pmWashington, D.C. Dulles Intl
$1,117
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 4, 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

Thu 11/13

4:25 pm-5:40 pm

2 stops35h 15m

Osaka Kansai Intl

Fri 11/21

8:00 am-8:26 pm

2 stops26h 26m

$957

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Mon 2/16

9:00 am-7:25 pm

2 stops20h 25m

Osaka Kansai Intl

Thu 2/26

3:45 pm-9:05 pm

2 stops19h 20m

$962

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Thu 10/23

5:37 pm-4:25 pm

2 stops33h 48m

Osaka Kansai Intl

Mon 10/27

7:25 pm-8:59 pm

2 stops38h 34m

$967

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Thu 11/27

5:50 pm-5:40 pm

2 stops33h 50m

Osaka Kansai Intl

Thu 12/11

3:45 pm-8:26 pm

2 stops18h 41m

$984

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Wed 12/31

11:05 am-6:15 pm

1 stop17h 10m

Osaka Kansai Intl

Tue 1/20

9:10 pm-9:10 am

1 stop26h 00m

$1,082

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Wed 11/19

11:05 am-6:15 pm

1 stop17h 10m

Osaka Kansai Intl

Tue 12/2

6:45 am-9:10 am

1 stop16h 25m

$1,086

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Sat 11/29

10:31 pm-4:40 pm

1 stop28h 09m

Osaka Kansai Intl

Thu 12/25

8:20 am-3:40 pm

1 stop21h 20m

$1,113

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Sun 2/8

11:05 am-7:25 pm

1 stop18h 20m

Osaka Kansai Intl

Tue 3/3

8:20 am-3:40 pm

1 stop21h 20m

$1,115

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Sun 2/8

6:00 am-8:45 pm

2 stops24h 45m

Osaka Kansai Intl

Fri 3/6

11:55 am-9:13 pm

2 stops23h 18m

$1,135

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Fri 10/17

11:00 pm-8:30 pm

1 stop32h 30m

Osaka Kansai Intl

Fri 10/24

9:05 am-7:30 pm

1 stop23h 25m

$1,139

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 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 05m.

  • 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
947 reviews
Search ANA flights
United AirlinesPriceFrom $1,170Free CancellationRating
7.4
8,937 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
Tue 9/9
Tue 9/16
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 $388
Flights to Nagoya Chubu Centrair Intl Airportfrom $537
Flights to Osaka Itami Airportfrom $532