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Cheap flights from Washington, D.C. Dulles Intl Airport to Osaka from $505

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 1/27. 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
5:48 pm - 8:35 pm
IAD
-
KIX
36h 47m2 stops
Multiple Airlines Logo
3:45 pm - 8:26 pm
KIX
-
IAD
18h 41m2 stops
$903Multiple Airlines
Tue, Jan 20 - Tue, Jan 27
Multiple Airlines Logo
4:30 pm - 8:35 pm
IAD
-
KIX
38h 05m2 stops
Multiple Airlines Logo
10:50 am - 11:35 am
KIX
-
IAD
38h 45m2 stops
$904Multiple Airlines
Sun, Jan 11 - Tue, Jan 20
Air Canada Logo
9:00 am - 7:25 pm
IAD
-
KIX
20h 25m2 stops
Air Canada Logo
3:45 pm - 8:29 pm
KIX
-
IAD
18h 44m2 stops
$907Air Canada
Mon, Feb 16 - Thu, Feb 26
Multiple Airlines Logo
9:00 am - 10:20 pm
IAD
-
KIX
23h 20m2 stops
Multiple Airlines Logo
8:00 am - 11:46 am
KIX
-
IAD
41h 46m2 stops
$908Multiple Airlines
Tue, Feb 17 - Fri, Feb 27
Multiple Airlines Logo
9:45 am - 8:35 pm
IAD
-
KIX
20h 50m2 stops
Multiple Airlines Logo
3:45 pm - 9:25 pm
KIX
-
IAD
19h 40m2 stops
$909Multiple Airlines
Tue, Jan 27 - Tue, Feb 3
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
$943Multiple Airlines
Fri, Jan 30 - Fri, Feb 13
Multiple Airlines Logo
10:06 pm - 8:35 pm
IAD
-
KIX
32h 29m2 stops
Multiple Airlines Logo
10:40 am - 11:35 am
KIX
-
IAD
38h 55m2 stops
$944Multiple Airlines
Sun, Jan 11 - Mon, Jan 19
Air Canada Logo
9:00 am - 7:25 pm
IAD
-
KIX
20h 25m2 stops
Air Canada Logo
3:45 pm - 8:29 pm
KIX
-
IAD
18h 44m2 stops
$947Air Canada
Mon, Jan 26 - Mon, Feb 9
Multiple Airlines Logo
5:16 pm - 8:35 pm
IAD
-
KIX
37h 19m2 stops
Multiple Airlines Logo
8:00 am - 8:26 pm
KIX
-
IAD
26h 26m2 stops
$948Multiple Airlines
Sun, Jan 11 - Sun, Jan 18
ANA Logo
11:10 am - 9:50 pm
IAD
-
KIX
20h 40m1 stop
ANA Logo
6:45 am - 9:10 am
KIX
-
IAD
16h 25m1 stop
$950ANA
Wed, Jan 21 - Wed, Feb 4

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
Dec 22
IAD5:33 pmWashington, D.C. Dulles Intl
35h 17m
2 stops
KIX6:50 pmOsaka Kansai Intl
Dec 30
KIX5:50 pmOsaka Kansai Intl
28h 52m
2 stops
IAD8:42 amWashington, D.C. Dulles Intl
$2,609
Find similar
American Airlines
Dec 22
IAD4:29 pmWashington, D.C. Dulles Intl
36h 21m
2 stops
KIX6:50 pmOsaka Kansai Intl
Dec 30
KIX5:50 pmOsaka Kansai Intl
28h 52m
2 stops
IAD8:42 amWashington, D.C. Dulles Intl
$2,638
Find similar

Cathay Pacific flights from Washington, D.C. Dulles Intl Airport to Osaka Kansai Intl Airport

Our best Cathay Pacific deals on Washington, D.C. Dulles Intl Airport to Osaka Kansai Intl Airport flight tickets
Cathay Pacific
Dec 25
IAD5:12 pmWashington, D.C. Dulles Intl
29h 33m
2 stops
KIX12:45 pmOsaka Kansai Intl
Jan 3
KIX4:15 pmOsaka Kansai Intl
44h 50m
3 stops
IAD11:05 pmWashington, D.C. Dulles Intl
$4,675
Find similar
Cathay Pacific
Dec 23
IAD6:07 pmWashington, D.C. Dulles Intl
28h 38m
2 stops
KIX12:45 pmOsaka Kansai Intl
Jan 2
KIX9:25 amOsaka Kansai Intl
27h 08m
2 stops
IAD10:33 pmWashington, D.C. Dulles Intl
$4,784
Find similar
Cathay Pacific
Dec 25
IAD5:12 pmWashington, D.C. Dulles Intl
32h 03m
2 stops
KIX3:15 pmOsaka Kansai Intl
Jan 1
KIX4:15 pmOsaka Kansai Intl
44h 18m
3 stops
IAD10:33 pmWashington, D.C. Dulles Intl
$5,863
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 15, 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

Tue 1/20

5:48 pm-8:35 pm

2 stops36h 47m

Osaka Kansai Intl

Tue 1/27

3:45 pm-8:26 pm

2 stops18h 41m

$903

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

Tue 1/20

10:50 am-11:35 am

2 stops38h 45m

$904

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-8:29 pm

2 stops18h 44m

$907

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

$908

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-9:25 pm

2 stops19h 40m

$909

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-8:29 pm

2 stops18h 44m

$943

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Sun 1/11

10:06 pm-8:35 pm

2 stops32h 29m

Osaka Kansai Intl

Mon 1/19

10:40 am-11:35 am

2 stops38h 55m

$944

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Mon 1/26

9:00 am-7:25 pm

2 stops20h 25m

Osaka Kansai Intl

Mon 2/9

3:45 pm-8:29 pm

2 stops18h 44m

$947

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Sun 1/11

5:16 pm-8:35 pm

2 stops37h 19m

Osaka Kansai Intl

Sun 1/18

8:00 am-8:26 pm

2 stops26h 26m

$948

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Wed 1/21

11:10 am-9:50 pm

1 stop20h 40m

Osaka Kansai Intl

Wed 2/4

6:45 am-9:10 am

1 stop16h 25m

$950

Flights are sorted by cheapest round-trip flights first.

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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

Fastest flight time

18h 15m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Osaka Kansai Intl Airport takes 18h 15m
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
1,023 reviews
Search ANA flights
United AirlinesPriceFrom $1,170Free CancellationRating
7.4
9,092 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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