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Cheap flights from Ontario to Osaka from $367

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Osaka departing on 4/28. 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

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Find the cheapest flights from Ontario to Osaka

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
7:30 am - 8:45 pm
ONT
-
KIX
20h 15m2 stops
Delta Logo
2:00 pm - 10:44 pm
KIX
-
ONT
25h 44m2 stops
$703Delta
Wed, Jan 28 - Wed, Feb 4
United Airlines Logo
6:00 am - 4:40 pm
ONT
-
KIX
17h 40m1 stop
United Airlines Logo
6:35 pm - 10:53 pm
KIX
-
ONT
21h 18m1 stop
$739United Airlines
Tue, Jan 13 - Tue, Jan 20
United Airlines Logo
6:00 am - 4:40 pm
ONT
-
KIX
17h 40m1 stop
United Airlines Logo
6:35 pm - 12:47 pm
KIX
-
ONT
35h 12m2 stops
$744United Airlines
Tue, Jan 13 - Tue, Jan 20
United Airlines Logo
6:00 am - 7:25 pm
ONT
-
KIX
20h 25m2 stops
United Airlines Logo
6:35 pm - 10:53 pm
KIX
-
ONT
21h 18m1 stop
$745United Airlines
Sun, Jan 4 - Tue, Jan 20
Multiple Airlines Logo
8:41 am - 6:45 pm
ONT
-
KIX
17h 04m1 stop
Multiple Airlines Logo
8:45 pm - 8:55 pm
KIX
-
ONT
16h 10m1 stop
$759Multiple Airlines
Wed, Feb 25 - Wed, Mar 11
United Airlines Logo
6:00 am - 4:40 pm
ONT
-
KIX
17h 40m1 stop
United Airlines Logo
6:35 pm - 5:51 pm
KIX
-
ONT
16h 16m1 stop
$777United Airlines
Wed, Jan 7 - Sat, Jan 24
Multiple Airlines Logo
8:41 am - 6:45 pm
ONT
-
KIX
17h 04m1 stop
Multiple Airlines Logo
8:45 pm - 10:15 pm
KIX
-
ONT
18h 30m1 stop
$780Multiple Airlines
Tue, Feb 17 - Mon, Feb 23
United Airlines Logo
6:00 am - 4:40 pm
ONT
-
KIX
17h 40m1 stop
United Airlines Logo
6:35 pm - 8:58 pm
KIX
-
ONT
19h 23m2 stops
$782United Airlines
Wed, Jan 7 - Sat, Jan 24
Multiple Airlines Logo
8:41 am - 6:45 pm
ONT
-
KIX
17h 04m1 stop
Multiple Airlines Logo
8:45 pm - 8:55 pm
KIX
-
ONT
16h 10m1 stop
$783Multiple Airlines
Wed, Feb 25 - Wed, Mar 11
United Airlines Logo
6:00 am - 7:25 pm
ONT
-
KIX
20h 25m2 stops
United Airlines Logo
6:35 pm - 12:47 pm
KIX
-
ONT
35h 12m2 stops
$788United Airlines
Mon, Jan 12 - Mon, Jan 19

Delta flights from Ontario to Osaka Kansai Intl Airport

Our best Delta deals on Ontario to Osaka Kansai Intl Airport flight tickets
Delta
Jan 28
ONT7:30 amOntario
20h 15m
2 stops
KIX8:45 pmOsaka Kansai Intl
Feb 4
KIX2:00 pmOsaka Kansai Intl
25h 44m
2 stops
ONT10:44 pmOntario
$703
Find similar
Delta
Jan 12
ONT7:30 amOntario
20h 15m
2 stops
KIX8:45 pmOsaka Kansai Intl
Jan 20
KIX9:00 amOsaka Kansai Intl
31h 58m
2 stops
ONT11:58 pmOntario
$823
Find similar

United Airlines flights from Ontario to Osaka Kansai Intl Airport

Our best United Airlines deals on Ontario to Osaka Kansai Intl Airport flight tickets
United Airlines
Jan 13
ONT6:00 amOntario
17h 40m
1 stop
KIX4:40 pmOsaka Kansai Intl
Jan 20
KIX6:35 pmOsaka Kansai Intl
21h 18m
1 stop
ONT10:53 pmOntario
$739
Find similar
United Airlines
Jan 13
ONT6:00 amOntario
17h 40m
1 stop
KIX4:40 pmOsaka Kansai Intl
Jan 20
KIX6:35 pmOsaka Kansai Intl
35h 12m
2 stops
ONT12:47 pmOntario
$744
Find similar
United Airlines
Jan 4
ONT6:00 amOntario
20h 25m
2 stops
KIX7:25 pmOsaka Kansai Intl
Jan 20
KIX6:35 pmOsaka Kansai Intl
21h 18m
1 stop
ONT10:53 pmOntario
$745
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Ontario 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 14, 2025.
Use the filters below to find and compare flights from Ontario to Osaka Kansai Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OntarioOsaka

ONT - KIX

ONTKIX

Ontario

Wed 1/28

7:30 am-8:45 pm

2 stops20h 15m

Osaka Kansai Intl

Wed 2/4

2:00 pm-10:44 pm

2 stops25h 44m

$703

OntarioOsaka

ONT - KIX

ONTKIX

Ontario

Tue 1/13

6:00 am-4:40 pm

1 stop17h 40m

Osaka Kansai Intl

Tue 1/20

6:35 pm-10:53 pm

1 stop21h 18m

$739

OntarioOsaka

ONT - KIX

ONTKIX

Ontario

Tue 1/13

6:00 am-4:40 pm

1 stop17h 40m

Osaka Kansai Intl

Tue 1/20

6:35 pm-12:47 pm

2 stops35h 12m

$744

OntarioOsaka

ONT - KIX

ONTKIX

Ontario

Sun 1/4

6:00 am-7:25 pm

2 stops20h 25m

Osaka Kansai Intl

Tue 1/20

6:35 pm-10:53 pm

1 stop21h 18m

$745

OntarioOsaka

ONT - KIX

ONTKIX

Ontario

Wed 2/25

8:41 am-6:45 pm

1 stop17h 04m

Osaka Kansai Intl

Wed 3/11

8:45 pm-8:55 pm

1 stop16h 10m

$759

OntarioOsaka

ONT - KIX

ONTKIX

Ontario

Wed 1/7

6:00 am-4:40 pm

1 stop17h 40m

Osaka Kansai Intl

Sat 1/24

6:35 pm-5:51 pm

1 stop16h 16m

$777

OntarioOsaka

ONT - KIX

ONTKIX

Ontario

Tue 2/17

8:41 am-6:45 pm

1 stop17h 04m

Osaka Kansai Intl

Mon 2/23

8:45 pm-10:15 pm

1 stop18h 30m

$780

OntarioOsaka

ONT - KIX

ONTKIX

Ontario

Wed 1/7

6:00 am-4:40 pm

1 stop17h 40m

Osaka Kansai Intl

Sat 1/24

6:35 pm-8:58 pm

2 stops19h 23m

$782

OntarioOsaka

ONT - KIX

ONTKIX

Ontario

Wed 2/25

8:41 am-6:45 pm

1 stop17h 04m

Osaka Kansai Intl

Wed 3/11

8:45 pm-8:55 pm

1 stop16h 10m

$783

OntarioOsaka

ONT - KIX

ONTKIX

Ontario

Mon 1/12

6:00 am-7:25 pm

2 stops20h 25m

Osaka Kansai Intl

Mon 1/19

6:35 pm-12:47 pm

2 stops35h 12m

$788

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 Ontario 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 Ontario 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 $743. Flights from Ontario to Osaka Kansai Intl Airport on a Saturday will generally be more expensive and average around $914. 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 Ontario to Osaka Kansai Intl Airport flights are usually those with departure times in the afternoon. Our users have found flights to Osaka Kansai Intl Airport in the afternoon for as low as $797. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $1,127 on average. Flights to Osaka Kansai Intl Airport from Ontario in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

Can stopping save me money on Ontario to Osaka Kansai Intl Airport flights?

You could potentially save up to 8% on your flight if you consider stops on a Ontario to Osaka Kansai Intl Airport flight.

When to book flights from Ontario to Osaka Kansai Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario 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 Ontario to Osaka Kansai Intl Airport (ONT to KIX) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Osaka Kansai Intl Airport

Fastest flight time

16h 50m

Direct flights

None
The fastest flight from Ontario to Osaka Kansai Intl Airport takes 16h 50m
There are no direct flights from Ontario to Osaka Kansai Intl Airport. There are no popular flight routes from Ontario to Osaka Kansai Intl Airport.
Search flight deals

  • How far is Ontario to Osaka Kansai Intl by plane?

    Ontario and Osaka Kansai Intl are 5755.8 mi apart from one another. A reasonable flight in good conditions will take 16h 50m.

  • When did momondo last update prices for flights from Ontario Airport to Osaka Kansai Intl Airport?

    Prices for flights from Ontario Airport to Osaka Kansai Intl Airport were last updated today.

  • How many operators does momondo search for flights from Ontario Airport to Osaka Kansai Intl Airport?

  • How old do you have to be to fly from Ontario Airport to Osaka Kansai Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ontario 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 required for your trip to Osaka Kansai Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Osaka Kansai Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Ontario to Osaka Kansai Intl Airport?

Best airlines flying from Ontario to Osaka Kansai Intl Airport

Compare and see reviews for airlines that fly from Ontario to Osaka Kansai Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $826Free CancellationRating
7.4
9,092 reviews
Search United Airlines flights
China AirlinesPriceFrom $998Free CancellationRating
8.3
791 reviews
Search China 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 Ontario to Osaka?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Ontario to Osaka for you.

Can I find flights from Ontario to Osaka with flexible booking policies on momondo?

Yes. All flights to Osaka from Ontario on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Ontario to Osaka?

Once you have performed a search for Ontario to Osaka flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Ontario to Osaka right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Osaka, momondo offers a useful price alert feature which will track prices for flights to Osaka from Ontario and alert you when they change.

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