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Cheap flights from Ontario to Osaka from $490

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 7/21. 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.
United Airlines Logo
6:00 am - 2:50 pm
ONT
-
KIX
16h 50m
1 stop
United Airlines Logo
4:55 pm - 6:11 pm
KIX
-
ONT
17h 16m
1 stop
$1,023United Airlines
Mon, Aug 17 - Tue, Aug 25
United Airlines Logo
6:00 am - 2:50 pm
ONT
-
KIX
16h 50m
1 stop
United Airlines Logo
9:20 am - 10:58 pm
KIX
-
ONT
29h 38m
2 stops
$1,025United Airlines
Sun, Aug 30 - Wed, Sep 2
United Airlines Logo
5:45 am - 2:50 pm
ONT
-
KIX
41h 05m
2 stops
United Airlines Logo
4:55 pm - 12:38 pm
KIX
-
ONT
35h 43m
2 stops
$1,028United Airlines
Sat, Aug 22 - Tue, Aug 25
United Airlines Logo
1:44 pm - 2:50 pm
ONT
-
KIX
33h 06m
1 stop
United Airlines Logo
4:55 pm - 8:04 pm
KIX
-
ONT
19h 09m
1 stop
$1,030United Airlines
Sat, Aug 22 - Tue, Aug 25
United Airlines Logo
5:00 am - 2:50 pm
ONT
-
KIX
41h 50m
2 stops
United Airlines Logo
4:55 pm - 8:52 pm
KIX
-
ONT
19h 57m
2 stops
$1,044United Airlines
Sun, Aug 30 - Wed, Sep 2
ANA Logo
6:00 am - 2:50 pm
ONT
-
KIX
16h 50m
1 stop
ANA Logo
4:55 pm - 8:04 pm
KIX
-
ONT
19h 09m
1 stop
$1,075ANA
Wed, Aug 19 - Wed, Aug 26
ANA Logo
6:00 am - 2:50 pm
ONT
-
KIX
16h 50m
1 stop
ANA Logo
4:55 pm - 6:11 pm
KIX
-
ONT
17h 16m
1 stop
$1,076ANA
Wed, Aug 19 - Wed, Aug 26
United Airlines Logo
6:00 am - 2:50 pm
ONT
-
KIX
16h 50m
1 stop
United Airlines Logo
4:55 pm - 6:11 pm
KIX
-
ONT
17h 16m
1 stop
$1,114United Airlines
Tue, Aug 18 - Fri, Sep 4
United Airlines Logo
6:00 am - 2:50 pm
ONT
-
KIX
16h 50m
1 stop
United Airlines Logo
4:55 pm - 10:58 pm
KIX
-
ONT
22h 03m
1 stop
$1,123United Airlines
Mon, Jul 20 - Tue, Aug 11
United Airlines Logo
6:00 am - 7:50 pm
ONT
-
KIX
21h 50m
2 stops
United Airlines Logo
4:55 pm - 10:58 pm
KIX
-
ONT
22h 03m
1 stop
$1,130United Airlines
Mon, Jul 20 - Tue, Aug 11

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 4
ONT12:45 amOntario
20h 05m
1 stop
KIX12:50 pmOsaka Kansai Intl
Sep 11
KIX2:00 pmOsaka Kansai Intl
20h 40m
1 stop
ONT6:40 pmOntario
$1,140
China Airlines
Oct 7
ONT12:10 amOntario
20h 40m
1 stop
KIX12:50 pmOsaka Kansai Intl
Oct 13
KIX7:05 pmOsaka Kansai Intl
38h 55m
1 stop
ONT6:00 pmOntario
$1,147
China Airlines
Oct 21
ONT12:10 amOntario
19h 50m
1 stop
KIX12:00 pmOsaka Kansai Intl
Nov 9
KIX2:30 pmOsaka Kansai Intl
19h 20m
1 stop
ONT4:50 pmOntario
$1,152

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
Aug 12
ONT6:00 amOntario
16h 50m
1 stop
KIX2:50 pmOsaka Kansai Intl
Aug 25
KIX4:55 pmOsaka Kansai Intl
17h 16m
1 stop
ONT6:11 pmOntario
$1,023
United Airlines
Aug 30
ONT6:00 amOntario
16h 50m
1 stop
KIX2:50 pmOsaka Kansai Intl
Sep 2
KIX9:20 amOsaka Kansai Intl
29h 38m
2 stops
ONT10:58 pmOntario
$1,025
United Airlines
Aug 22
ONT5:45 amOntario
41h 05m
2 stops
KIX2:50 pmOsaka Kansai Intl
Aug 25
KIX4:55 pmOsaka Kansai Intl
22h 03m
1 stop
ONT10:58 pmOntario
$1,028

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 April 25, 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
Quickest round-trip

OntarioOsaka

ONT - KIX

ONTKIX

Ontario

Mon 8/17

6:00 am-2:50 pm

1 stop16h 50m

Osaka Kansai Intl

Tue 8/25

4:55 pm-6:11 pm

1 stop17h 16m

$1,023

OntarioOsaka

ONT - KIX

ONTKIX

Ontario

Sun 8/30

6:00 am-2:50 pm

1 stop16h 50m

Osaka Kansai Intl

Wed 9/2

9:20 am-10:58 pm

2 stops29h 38m

$1,025

OntarioOsaka

ONT - KIX

ONTKIX

Ontario

Sat 8/22

5:45 am-2:50 pm

2 stops41h 05m

Osaka Kansai Intl

Tue 8/25

4:55 pm-12:38 pm

2 stops35h 43m

$1,028

OntarioOsaka

ONT - KIX

ONTKIX

Ontario

Sat 8/22

1:44 pm-2:50 pm

1 stop33h 06m

Osaka Kansai Intl

Tue 8/25

4:55 pm-8:04 pm

1 stop19h 09m

$1,030

OntarioOsaka

ONT - KIX

ONTKIX

Ontario

Sun 8/30

5:00 am-2:50 pm

2 stops41h 50m

Osaka Kansai Intl

Wed 9/2

4:55 pm-8:52 pm

2 stops19h 57m

$1,044

OntarioOsaka

ONT - KIX

ONTKIX

Ontario

Wed 8/19

6:00 am-2:50 pm

1 stop16h 50m

Osaka Kansai Intl

Wed 8/26

4:55 pm-8:04 pm

1 stop19h 09m

$1,075

OntarioOsaka

ONT - KIX

ONTKIX

Ontario

Wed 8/19

6:00 am-2:50 pm

1 stop16h 50m

Osaka Kansai Intl

Wed 8/26

4:55 pm-6:11 pm

1 stop17h 16m

$1,076

OntarioOsaka

ONT - KIX

ONTKIX

Ontario

Tue 8/18

6:00 am-2:50 pm

1 stop16h 50m

Osaka Kansai Intl

Fri 9/4

4:55 pm-6:11 pm

1 stop17h 16m

$1,114

OntarioOsaka

ONT - KIX

ONTKIX

Ontario

Mon 7/20

6:00 am-2:50 pm

1 stop16h 50m

Osaka Kansai Intl

Tue 8/11

4:55 pm-10:58 pm

1 stop22h 03m

$1,123

OntarioOsaka

ONT - KIX

ONTKIX

Ontario

Mon 7/20

6:00 am-7:50 pm

2 stops21h 50m

Osaka Kansai Intl

Tue 8/11

4:55 pm-10:58 pm

1 stop22h 03m

$1,130

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 $767. Flights from Ontario to Osaka Kansai Intl Airport on a Saturday will generally be more expensive and average around $1,036. 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 $841. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $873 on average. Flights to Osaka Kansai Intl Airport from Ontario at noon 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 43% 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

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 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
China AirlinesPriceFrom $998Free CancellationRating
8.3
818 reviews
Search China Airlines flights

Traveling to a place near Osaka?

Book flights to Osaka if you plan to visit one of these locations
Izumisano
Nara
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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