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Cheap flights from Washington, D.C. Dulles Intl Airport to Osaka from $524

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 2/7. 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
9:45 am - 8:35 pm
IAD
-
KIX
20h 50m2 stops
Multiple Airlines Logo
8:00 am - 8:54 pm
KIX
-
IAD
26h 54m2 stops
$876Multiple Airlines
Wed, Jan 28 - Tue, Feb 10
Multiple Airlines Logo
9:45 am - 8:35 pm
IAD
-
KIX
20h 50m2 stops
Multiple Airlines Logo
3:45 pm - 8:29 pm
KIX
-
IAD
18h 44m2 stops
$879Multiple Airlines
Sun, Jan 25 - Tue, Feb 10
Multiple Airlines Logo
9:00 am - 10:20 pm
IAD
-
KIX
23h 20m2 stops
Multiple Airlines Logo
8:00 am - 8:54 pm
KIX
-
IAD
26h 54m2 stops
$880Multiple Airlines
Mon, Feb 16 - Thu, Feb 26
Multiple Airlines Logo
9:00 am - 10:20 pm
IAD
-
KIX
23h 20m2 stops
Multiple Airlines Logo
3:00 pm - 8:29 pm
KIX
-
IAD
19h 29m2 stops
$882Multiple Airlines
Tue, Feb 17 - Fri, Feb 27
Air Canada Logo
1:13 pm - 5:40 pm
IAD
-
KIX
38h 27m2 stops
Air Canada Logo
7:25 pm - 8:54 pm
KIX
-
IAD
38h 29m2 stops
$910Air Canada
Tue, Mar 3 - Tue, Mar 10
Multiple Airlines Logo
9:45 am - 8:35 pm
IAD
-
KIX
20h 50m2 stops
Multiple Airlines Logo
3:00 pm - 8:29 pm
KIX
-
IAD
19h 29m2 stops
$913Multiple Airlines
Fri, Jan 30 - Fri, Feb 13
Multiple Airlines Logo
4:30 pm - 8:35 pm
IAD
-
KIX
38h 05m2 stops
Multiple Airlines Logo
8:00 am - 8:26 pm
KIX
-
IAD
26h 26m2 stops
$917Multiple Airlines
Sun, Jan 11 - Sun, Jan 18
Multiple Airlines Logo
9:00 am - 10:20 pm
IAD
-
KIX
23h 20m2 stops
Multiple Airlines Logo
8:00 am - 8:54 pm
KIX
-
IAD
26h 54m2 stops
$948Multiple Airlines
Thu, Jan 8 - Thu, Jan 15
ANA Logo
12:15 pm - 7:30 pm
IAD
-
KIX
18h 15m1 stop
ANA Logo
6:45 am - 10:05 am
KIX
-
IAD
16h 20m1 stop
$950ANA
Sun, Apr 19 - Fri, May 8
Multiple Airlines Logo
9:45 am - 8:35 pm
IAD
-
KIX
20h 50m2 stops
Multiple Airlines Logo
3:45 pm - 8:29 pm
KIX
-
IAD
18h 44m2 stops
$955Multiple Airlines
Tue, Jan 27 - Tue, Feb 3

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 19
IAD6:15 amWashington, D.C. Dulles Intl
24h 15m
2 stops
KIX7:30 pmOsaka Kansai Intl
May 8
KIX8:30 amOsaka Kansai Intl
20h 10m
1 stop
IAD3:40 pmWashington, D.C. Dulles Intl
$967
Find similar
United Airlines
Apr 19
IAD12:15 pmWashington, D.C. Dulles Intl
18h 15m
1 stop
KIX7:30 pmOsaka Kansai Intl
Apr 29
KIX4:55 pmOsaka Kansai Intl
21h 30m
1 stop
IAD1:25 amWashington, D.C. Dulles Intl
$971
Find similar
United Airlines
Apr 6
IAD8:35 amWashington, D.C. Dulles Intl
36h 30m
2 stops
KIX10:05 amOsaka Kansai Intl
Apr 16
KIX4:55 pmOsaka Kansai Intl
20h 50m
2 stops
IAD12:45 amWashington, D.C. Dulles Intl
$973
Find similar

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
Mar 3
IAD1:13 pmWashington, D.C. Dulles Intl
38h 27m
2 stops
KIX5:40 pmOsaka Kansai Intl
Mar 10
KIX7:25 pmOsaka Kansai Intl
38h 29m
2 stops
IAD8:54 pmWashington, D.C. Dulles Intl
$910
Find similar
Air Canada
Jan 27
IAD9:00 amWashington, D.C. Dulles Intl
20h 25m
2 stops
KIX7:25 pmOsaka Kansai Intl
Feb 3
KIX3:45 pmOsaka Kansai Intl
18h 44m
2 stops
IAD8:29 pmWashington, D.C. Dulles Intl
$957
Find similar
Air Canada
Feb 10
IAD9:00 amWashington, D.C. Dulles Intl
20h 25m
2 stops
KIX7:25 pmOsaka Kansai Intl
Feb 17
KIX3:45 pmOsaka Kansai Intl
18h 44m
2 stops
IAD8:29 pmWashington, D.C. Dulles Intl
$959
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 December 28, 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 1/28

9:45 am-8:35 pm

2 stops20h 50m

Osaka Kansai Intl

Tue 2/10

8:00 am-8:54 pm

2 stops26h 54m

$876

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Sun 1/25

9:45 am-8:35 pm

2 stops20h 50m

Osaka Kansai Intl

Tue 2/10

3:45 pm-8:29 pm

2 stops18h 44m

$879

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

$880

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

3:00 pm-8:29 pm

2 stops19h 29m

$882

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Tue 3/3

1:13 pm-5:40 pm

2 stops38h 27m

Osaka Kansai Intl

Tue 3/10

7:25 pm-8:54 pm

2 stops38h 29m

$910

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

3:00 pm-8:29 pm

2 stops19h 29m

$913

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Sun 1/11

4:30 pm-8:35 pm

2 stops38h 05m

Osaka Kansai Intl

Sun 1/18

8:00 am-8:26 pm

2 stops26h 26m

$917

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Thu 1/8

9:00 am-10:20 pm

2 stops23h 20m

Osaka Kansai Intl

Thu 1/15

8:00 am-8:54 pm

2 stops26h 54m

$948

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

Fri 5/8

6:45 am-10:05 am

1 stop16h 20m

$950

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Tue 1/27

9:45 am-8:35 pm

2 stops20h 50m

Osaka Kansai Intl

Tue 2/3

3:45 pm-8:29 pm

2 stops18h 44m

$955

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

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

Fastest flight time

17h 40m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Osaka Kansai Intl Airport takes 17h 40m
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 40m.

  • 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 $1,131Free CancellationRating
8.4
1,049 reviews
Search ANA flights
United AirlinesPriceFrom $1,170Free CancellationRating
7.4
9,113 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
Izumisano
Himeji
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.

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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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