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Cheap flights from Washington, D.C. Dulles Intl Airport to Osaka from $424

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 11/14. 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.
Air Canada Logo
9:00 am - 7:25 pmIAD-KIX
20h 25m2 stops
Air Canada Logo
3:45 pm - 9:21 pmKIX-IAD
19h 36m2 stops
$1,067Air Canada
Find Deal
Mon, Feb 16 - Thu, Feb 26
Multiple Airlines Logo
1:20 pm - 5:40 pmIAD-KIX
38h 20m2 stops
Multiple Airlines Logo
8:00 am - 8:59 pmKIX-IAD
26h 59m2 stops
$1,084Multiple Airlines
Find Deal
Thu, Nov 27 - Thu, Dec 11
ANA Logo
12:15 pm - 7:30 pmIAD-KIX
18h 15m1 stop
ANA Logo
6:45 am - 10:05 amKIX-IAD
16h 20m1 stop
$1,095ANA
Find Deal
Sun, Apr 19 - Wed, Apr 29
ANA Logo
1:10 pm - 8:35 amIAD-KIX
29h 25m2 stops
ANA Logo
7:05 am - 9:10 amKIX-IAD
16h 05m1 stop
$1,099ANA
Find Deal
Wed, Dec 3 - Fri, Dec 26
STARLUX Airlines Logo
6:55 pm - 12:50 pmIAD-KIX
28h 55m2 stops
STARLUX Airlines Logo
1:25 pm - 5:49 amKIX-IAD
29h 24m2 stops
$1,182STARLUX Airlines
Find Deal
Wed, Mar 18 - Mon, Mar 30
STARLUX Airlines Logo
6:55 pm - 12:50 pmIAD-KIX
28h 55m2 stops
STARLUX Airlines Logo
1:25 pm - 5:49 amKIX-IAD
29h 24m2 stops
$1,184STARLUX Airlines
Find Deal
Wed, Mar 18 - Mon, Mar 30
United Airlines Logo
6:03 am - 7:25 pmIAD-KIX
23h 22m2 stops
United Airlines Logo
8:20 am - 3:40 pmKIX-IAD
21h 20m1 stop
$1,212United Airlines
Find Deal
Mon, Feb 16 - Thu, Feb 26
United Airlines Logo
10:05 pm - 7:25 pmIAD-KIX
32h 20m2 stops
United Airlines Logo
8:20 am - 4:40 pmKIX-IAD
21h 20m1 stop
$1,213United Airlines
Find Deal
Sat, Mar 14 - Fri, Mar 27
Alaska Airlines Logo
5:26 pm - 6:45 pmIAD-KIX
35h 19m3 stops
Alaska Airlines Logo
8:45 pm - 5:04 pmKIX-IAD
34h 19m2 stops
$1,270Alaska Airlines
Find Deal
Mon, Jan 12 - Tue, Jan 20
Alaska Airlines Logo
6:04 pm - 6:45 pmIAD-KIX
34h 41m3 stops
Alaska Airlines Logo
8:45 pm - 5:25 pmKIX-IAD
34h 40m2 stops
$1,279Alaska Airlines
Find Deal
Fri, Jan 30 - Fri, Feb 13

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 36m
2 stops
IAD9:21 pmWashington, D.C. Dulles Intl
$1,067
Find similar
Air Canada
Jan 30
IAD9:00 amWashington, D.C. Dulles Intl
20h 25m
2 stops
KIX7:25 pmOsaka Kansai Intl
Feb 13
KIX3:45 pmOsaka Kansai Intl
18h 45m
2 stops
IAD8:30 pmWashington, D.C. Dulles Intl
$1,107
Find similar
Air Canada
Jan 30
IAD9:00 amWashington, D.C. Dulles Intl
20h 25m
2 stops
KIX7:25 pmOsaka Kansai Intl
Feb 8
KIX3:45 pmOsaka Kansai Intl
18h 45m
2 stops
IAD8:30 pmWashington, D.C. Dulles Intl
$1,148
Find similar

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
Apr 19
IAD12:15 pmWashington, D.C. Dulles Intl
18h 15m
1 stop
KIX7:30 pmOsaka Kansai Intl
Apr 29
KIX6:45 amOsaka Kansai Intl
16h 20m
1 stop
IAD10:05 amWashington, D.C. Dulles Intl
$1,095
Find similar
ANA
Dec 3
IAD1:10 pmWashington, D.C. Dulles Intl
29h 25m
2 stops
KIX8:35 amOsaka Kansai Intl
Dec 26
KIX7:05 amOsaka Kansai Intl
16h 05m
1 stop
IAD9:10 amWashington, D.C. Dulles Intl
$1,099
Find similar
ANA
Dec 3
IAD1:10 pmWashington, D.C. Dulles Intl
29h 25m
2 stops
KIX8:35 amOsaka Kansai Intl
Dec 26
KIX6:45 amOsaka Kansai Intl
19h 00m
2 stops
IAD11:45 amWashington, D.C. Dulles Intl
$1,108
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 October 30, 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-7:25 pm

2 stops20h 25m

Osaka Kansai Intl

Thu 2/26

3:45 pm-9:21 pm

2 stops19h 36m

$1,067

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Thu 11/27

1:20 pm-5:40 pm

2 stops38h 20m

Osaka Kansai Intl

Thu 12/11

8:00 am-8:59 pm

2 stops26h 59m

$1,084

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Sun 4/19

12:15 pm-7:30 pm

1 stop18h 15m

Osaka Kansai Intl

Wed 4/29

6:45 am-10:05 am

1 stop16h 20m

$1,095

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Wed 12/3

1:10 pm-8:35 am

2 stops29h 25m

Osaka Kansai Intl

Fri 12/26

7:05 am-9:10 am

1 stop16h 05m

$1,099

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Wed 3/18

6:55 pm-12:50 pm

2 stops28h 55m

Osaka Kansai Intl

Mon 3/30

1:25 pm-5:49 am

2 stops29h 24m

$1,182

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Wed 3/18

6:55 pm-12:50 pm

2 stops28h 55m

Osaka Kansai Intl

Mon 3/30

1:25 pm-5:49 am

2 stops29h 24m

$1,184

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Mon 2/16

6:03 am-7:25 pm

2 stops23h 22m

Osaka Kansai Intl

Thu 2/26

8:20 am-3:40 pm

1 stop21h 20m

$1,212

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Sat 3/14

10:05 pm-7:25 pm

2 stops32h 20m

Osaka Kansai Intl

Fri 3/27

8:20 am-4:40 pm

1 stop21h 20m

$1,213

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Mon 1/12

5:26 pm-6:45 pm

3 stops35h 19m

Osaka Kansai Intl

Tue 1/20

8:45 pm-5:04 pm

2 stops34h 19m

$1,270

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Fri 1/30

6:04 pm-6:45 pm

3 stops34h 41m

Osaka Kansai Intl

Fri 2/13

8:45 pm-5:25 pm

2 stops34h 40m

$1,279

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 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 25% 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.
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  • 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 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
996 reviews
Search ANA flights
United AirlinesPriceFrom $1,170Free CancellationRating
7.4
8,998 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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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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