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Cheap flights from Washington, D.C. Dulles Intl Airport to Osaka from $529

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 1/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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
9:00 am - 10:20 pmIAD-KIX
23h 20m2 stops
Multiple Airlines Logo
8:00 am - 8:54 pmKIX-IAD
26h 54m2 stops
$1,062Multiple Airlines
Find Deal
Mon, Feb 16 - Thu, Feb 26
Multiple Airlines Logo
9:00 am - 10:20 pmIAD-KIX
23h 20m2 stops
Multiple Airlines Logo
3:00 pm - 8:26 pmKIX-IAD
19h 26m2 stops
$1,067Multiple Airlines
Find Deal
Wed, Dec 3 - Wed, Dec 10
Multiple Airlines Logo
9:00 am - 10:20 pmIAD-KIX
23h 20m2 stops
Multiple Airlines Logo
8:00 am - 11:46 amKIX-IAD
41h 46m2 stops
$1,068Multiple Airlines
Find Deal
Tue, Feb 17 - Fri, Feb 27
Multiple Airlines Logo
5:50 pm - 5:40 pmIAD-KIX
33h 50m2 stops
Multiple Airlines Logo
10:50 am - 8:59 pmKIX-IAD
24h 09m2 stops
$1,084Multiple Airlines
Find Deal
Thu, Nov 27 - Thu, Dec 11
Multiple Airlines Logo
9:45 am - 8:35 pmIAD-KIX
20h 50m2 stops
Multiple Airlines Logo
3:45 pm - 11:46 amKIX-IAD
34h 01m2 stops
$1,100Multiple Airlines
Find Deal
Fri, Jan 30 - Fri, Feb 13
Air Canada Logo
9:00 am - 7:25 pmIAD-KIX
20h 25m2 stops
Air Canada Logo
3:45 pm - 11:48 amKIX-IAD
34h 03m2 stops
$1,107Air Canada
Find Deal
Thu, Jan 8 - Thu, Jan 15
Air Canada Logo
5:50 pm - 5:40 pmIAD-KIX
33h 50m2 stops
Air Canada Logo
3:45 pm - 9:20 pmKIX-IAD
19h 35m2 stops
$1,123Air Canada
Find Deal
Thu, Nov 27 - Thu, Dec 4
Air Canada Logo
10:06 pm - 7:25 pmIAD-KIX
31h 19m2 stops
Air Canada Logo
3:45 pm - 9:25 pmKIX-IAD
19h 40m2 stops
$1,147Air Canada
Find Deal
Thu, Jan 8 - Thu, Jan 15
Multiple Airlines Logo
10:06 pm - 7:25 pmIAD-KIX
31h 19m2 stops
Multiple Airlines Logo
8:00 am - 8:54 pmKIX-IAD
26h 54m2 stops
$1,150Multiple Airlines
Find Deal
Wed, Jan 7 - Thu, Feb 5
Multiple Airlines Logo
9:00 am - 10:20 pmIAD-KIX
23h 20m2 stops
Multiple Airlines Logo
3:45 pm - 8:30 pmKIX-IAD
18h 45m2 stops
$1,155Multiple Airlines
Find Deal
Tue, Feb 17 - Fri, Feb 27

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
Apr 5
IAD7:01 pmWashington, D.C. Dulles Intl
28h 14m
2 stops
KIX12:15 pmOsaka Kansai Intl
Apr 29
KIX1:25 pmOsaka Kansai Intl
29h 24m
2 stops
IAD5:49 amWashington, D.C. Dulles Intl
$1,182
Find similar
STARLUX Airlines
Mar 18
IAD6:55 pmWashington, D.C. Dulles Intl
27h 15m
2 stops
KIX11:10 amOsaka Kansai Intl
Mar 30
KIX1:25 pmOsaka Kansai Intl
29h 24m
2 stops
IAD5:49 amWashington, D.C. Dulles Intl
$1,207
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
Apr 4
IAD10:10 pmWashington, D.C. Dulles Intl
27h 40m
1 stop
KIX2:50 pmOsaka Kansai Intl
Apr 15
KIX8:30 amOsaka Kansai Intl
20h 10m
1 stop
IAD3:40 pmWashington, D.C. Dulles Intl
$1,205
Find similar
United Airlines
Feb 17
IAD6:03 amWashington, D.C. Dulles Intl
23h 22m
2 stops
KIX7:25 pmOsaka Kansai Intl
Feb 27
KIX8:20 amOsaka Kansai Intl
21h 20m
1 stop
IAD3:40 pmWashington, D.C. Dulles Intl
$1,212
Find similar
United Airlines
Apr 25
IAD10:30 pmWashington, D.C. Dulles Intl
27h 20m
2 stops
KIX2:50 pmOsaka Kansai Intl
May 21
KIX8:30 amOsaka Kansai Intl
20h 20m
1 stop
IAD3:50 pmWashington, D.C. Dulles Intl
$1,215
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 November 13, 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

Mon 2/16

9:00 am-10:20 pm

2 stops23h 20m

Osaka Kansai Intl

Thu 2/26

8:00 am-8:54 pm

2 stops26h 54m

$1,062

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Wed 12/3

9:00 am-10:20 pm

2 stops23h 20m

Osaka Kansai Intl

Wed 12/10

3:00 pm-8:26 pm

2 stops19h 26m

$1,067

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Tue 2/17

9:00 am-10:20 pm

2 stops23h 20m

Osaka Kansai Intl

Fri 2/27

8:00 am-11:46 am

2 stops41h 46m

$1,068

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

10:50 am-8:59 pm

2 stops24h 09m

$1,084

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Fri 1/30

9:45 am-8:35 pm

2 stops20h 50m

Osaka Kansai Intl

Fri 2/13

3:45 pm-11:46 am

2 stops34h 01m

$1,100

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Thu 1/8

9:00 am-7:25 pm

2 stops20h 25m

Osaka Kansai Intl

Thu 1/15

3:45 pm-11:48 am

2 stops34h 03m

$1,107

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 12/4

3:45 pm-9:20 pm

2 stops19h 35m

$1,123

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Thu 1/8

10:06 pm-7:25 pm

2 stops31h 19m

Osaka Kansai Intl

Thu 1/15

3:45 pm-9:25 pm

2 stops19h 40m

$1,147

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Wed 1/7

10:06 pm-7:25 pm

2 stops31h 19m

Osaka Kansai Intl

Thu 2/5

8:00 am-8:54 pm

2 stops26h 54m

$1,150

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Tue 2/17

9:00 am-10:20 pm

2 stops23h 20m

Osaka Kansai Intl

Fri 2/27

3:45 pm-8:30 pm

2 stops18h 45m

$1,155

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 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.

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

You could potentially save up to 19% 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

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 18h 15m.

  • 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
1,003 reviews
Search ANA flights
United AirlinesPriceFrom $1,170Free CancellationRating
7.4
9,015 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

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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.

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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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