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Cheap flights from Ontario to Osaka from $459

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 8/26. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ontario to Osaka

Cheap round-trip flights

Enter your travel dates to find the best prices.
China Airlines Logo
12:10 am - 12:50 pm
ONT
-
KIX
20h 40m
1 stop
China Airlines Logo
1:10 pm - 6:00 pm
KIX
-
ONT
20h 50m
1 stop
$944China Airlines
Tue, Sep 22 - Sun, Oct 4
China Airlines Logo
11:50 pm - 11:35 am
ONT
-
KIX
19h 45m
1 stop
China Airlines Logo
2:30 pm - 5:05 pm
KIX
-
ONT
19h 35m
1 stop
$944China Airlines
Sun, Oct 25 - Thu, Nov 5
China Airlines Logo
11:50 pm - 11:35 am
ONT
-
KIX
19h 45m
1 stop
China Airlines Logo
2:30 pm - 5:05 pm
KIX
-
ONT
19h 35m
1 stop
$944China Airlines
Mon, Oct 26 - Fri, Nov 6
China Airlines Logo
11:50 pm - 1:20 pm
ONT
-
KIX
21h 30m
1 stop
China Airlines Logo
2:30 pm - 5:05 pm
KIX
-
ONT
19h 35m
1 stop
$944China Airlines
Mon, Oct 26 - Sat, Nov 7
China Airlines Logo
12:10 am - 12:50 pm
ONT
-
KIX
20h 40m
1 stop
China Airlines Logo
2:30 pm - 6:05 pm
KIX
-
ONT
19h 35m
1 stop
$944China Airlines
Sat, Oct 17 - Thu, Oct 29
China Airlines Logo
12:10 am - 6:05 pm
ONT
-
KIX
25h 55m
1 stop
China Airlines Logo
2:00 pm - 6:00 pm
KIX
-
ONT
20h 00m
1 stop
$944China Airlines
Mon, Sep 21 - Sat, Oct 3
China Airlines Logo
12:10 am - 6:05 pm
ONT
-
KIX
25h 55m
1 stop
China Airlines Logo
2:00 pm - 6:00 pm
KIX
-
ONT
20h 00m
1 stop
$944China Airlines
Mon, Sep 21 - Fri, Oct 2
China Airlines Logo
12:10 am - 12:50 pm
ONT
-
KIX
20h 40m
1 stop
China Airlines Logo
2:30 pm - 6:05 pm
KIX
-
ONT
19h 35m
1 stop
$944China Airlines
Sun, Oct 18 - Thu, Oct 29
STARLUX Airlines Logo
11:30 pm - 12:15 pm
ONT
-
KIX
20h 45m
1 stop
STARLUX Airlines Logo
3:10 pm - 5:05 pm
KIX
-
ONT
17h 55m
1 stop
$955STARLUX Airlines
Mon, Sep 14 - Sat, Sep 19
STARLUX Airlines Logo
11:30 pm - 12:15 pm
ONT
-
KIX
20h 45m
1 stop
STARLUX Airlines Logo
3:10 pm - 5:05 pm
KIX
-
ONT
17h 55m
1 stop
$955STARLUX Airlines
Wed, Sep 2 - Wed, Sep 16

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China Airlines flights from Ontario to Osaka Kansai Intl Airport

Our best China Airlines deals on Ontario to Osaka Kansai Intl Airport flight tickets
China Airlines
Sep 21
ONT12:10 amOntario
25h 55m
1 stop
KIX6:05 pmOsaka Kansai Intl
Oct 3
KIX2:00 pmOsaka Kansai Intl
20h 00m
1 stop
ONT6:00 pmOntario
$944
China Airlines
Oct 24
ONT11:50 pmOntario
26h 00m
1 stop
KIX5:50 pmOsaka Kansai Intl
Nov 4
KIX2:30 pmOsaka Kansai Intl
19h 35m
1 stop
ONT5:05 pmOntario
$950
China Airlines
Sep 30
ONT12:10 amOntario
25h 55m
1 stop
KIX6:05 pmOsaka Kansai Intl
Oct 7
KIX2:00 pmOsaka Kansai Intl
20h 00m
1 stop
ONT6:00 pmOntario
$964

ANA flights from Ontario to Osaka Kansai Intl Airport

Our best ANA deals on Ontario to Osaka Kansai Intl Airport flight tickets
ANA
Aug 1
ONT4:20 pmOntario
30h 30m
1 stop
KIX2:50 pmOsaka Kansai Intl
Aug 6
KIX4:55 pmOsaka Kansai Intl
21h 42m
1 stop
ONT10:37 pmOntario
$1,178
ANA
Jul 30
ONT6:00 amOntario
16h 50m
1 stop
KIX2:50 pmOsaka Kansai Intl
Aug 6
KIX4:55 pmOsaka Kansai Intl
21h 42m
1 stop
ONT10:37 pmOntario
$1,272
ANA
Jul 30
ONT6:00 amOntario
16h 50m
1 stop
KIX2:50 pmOsaka Kansai Intl
Aug 6
KIX4:55 pmOsaka Kansai Intl
21h 42m
1 stop
ONT10:37 pmOntario
$1,275

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 July 30, 2026.
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

Cheapest round-trip

OntarioOsaka

ONT - KIX

ONTKIX

Ontario

Tue 9/22

12:10 am-12:50 pm

1 stop20h 40m

Osaka Kansai Intl

Sun 10/4

1:10 pm-6:00 pm

1 stop20h 50m

$944

OntarioOsaka

ONT - KIX

ONTKIX

Ontario

Sun 10/25

11:50 pm-11:35 am

1 stop19h 45m

Osaka Kansai Intl

Thu 11/5

2:30 pm-5:05 pm

1 stop19h 35m

$944

OntarioOsaka

ONT - KIX

ONTKIX

Ontario

Mon 10/26

11:50 pm-11:35 am

1 stop19h 45m

Osaka Kansai Intl

Fri 11/6

2:30 pm-5:05 pm

1 stop19h 35m

$944

OntarioOsaka

ONT - KIX

ONTKIX

Ontario

Mon 10/26

11:50 pm-1:20 pm

1 stop21h 30m

Osaka Kansai Intl

Sat 11/7

2:30 pm-5:05 pm

1 stop19h 35m

$944

OntarioOsaka

ONT - KIX

ONTKIX

Ontario

Sat 10/17

12:10 am-12:50 pm

1 stop20h 40m

Osaka Kansai Intl

Thu 10/29

2:30 pm-6:05 pm

1 stop19h 35m

$944

OntarioOsaka

ONT - KIX

ONTKIX

Ontario

Mon 9/21

12:10 am-6:05 pm

1 stop25h 55m

Osaka Kansai Intl

Sat 10/3

2:00 pm-6:00 pm

1 stop20h 00m

$944

OntarioOsaka

ONT - KIX

ONTKIX

Ontario

Mon 9/21

12:10 am-6:05 pm

1 stop25h 55m

Osaka Kansai Intl

Fri 10/2

2:00 pm-6:00 pm

1 stop20h 00m

$944

OntarioOsaka

ONT - KIX

ONTKIX

Ontario

Sun 10/18

12:10 am-12:50 pm

1 stop20h 40m

Osaka Kansai Intl

Thu 10/29

2:30 pm-6:05 pm

1 stop19h 35m

$944
Quickest round-trip

OntarioOsaka

ONT - KIX

ONTKIX

Ontario

Mon 9/14

11:30 pm-12:15 pm

1 stop20h 45m

Osaka Kansai Intl

Sat 9/19

3:10 pm-5:05 pm

1 stop17h 55m

$955

OntarioOsaka

ONT - KIX

ONTKIX

Ontario

Wed 9/2

11:30 pm-12:15 pm

1 stop20h 45m

Osaka Kansai Intl

Wed 9/16

3:10 pm-5:05 pm

1 stop17h 55m

$955

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 $762. Flights from Ontario to Osaka Kansai Intl Airport on a Saturday will generally be more expensive and average around $1,155. 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 at noon. Our users have found flights to Osaka Kansai Intl Airport at noon for as low as $908. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $1,121 on average. Flights to Osaka Kansai Intl Airport from Ontario in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

17h 14m

Direct flights

None
The fastest flight from Ontario to Osaka Kansai Intl Airport takes 17h 14m
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

Frequently asked questions about flying from Ontario to Osaka Kansai Intl Airport

  • 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 17h 14m.

  • 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
China AirlinesPriceFrom $998Free CancellationRating
8.3
838 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
Izumisano
Himeji
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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