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Cheap flights from California to Ontario from C$ 112

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from California to Ontario departing on 23/2. 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 California to Ontario

Cheap round-trip flights

Enter your travel dates to find the best prices.
WestJet Logo
11:25 p.m. - 6:47 a.m.LAS-YYZ
4h 22mdirect
WestJet Logo
8:00 p.m. - 10:09 p.m.YYZ-LAS
5h 09mdirect
C$ 247WestJet
Find Deal
Fri, 9 Jan - Sun, 11 Jan
WestJet Logo
11:25 p.m. - 6:47 a.m.LAS-YYZ
4h 22mdirect
WestJet Logo
1:30 p.m. - 8:16 p.m.YYZ-LAS
9h 46m1 stop
C$ 264WestJet
Find Deal
Fri, 30 Jan - Mon, 2 Feb
Multiple Airlines Logo
11:25 p.m. - 6:47 a.m.LAS-YYZ
4h 22mdirect
Multiple Airlines Logo
7:55 p.m. - 10:02 p.m.YYZ-LAS
5h 07mdirect
C$ 270Multiple Airlines
Find Deal
Fri, 9 Jan - Sun, 11 Jan
Multiple Airlines Logo
12:40 p.m. - 7:55 p.m.LAS-YYZ
4h 15mdirect
Multiple Airlines Logo
8:00 p.m. - 10:09 p.m.YYZ-LAS
5h 09mdirect
C$ 274Multiple Airlines
Find Deal
Wed, 14 Jan - Thu, 15 Jan
Porter Airlines Logo
12:40 p.m. - 7:55 p.m.LAS-YYZ
4h 15mdirect
Porter Airlines Logo
9:35 a.m. - 11:42 a.m.YYZ-LAS
5h 07mdirect
C$ 278Porter Airlines
Find Deal
Tue, 20 Jan - Sat, 24 Jan
Porter Airlines Logo
11:05 p.m. - 6:20 a.m.LAS-YYZ
4h 15mdirect
Porter Airlines Logo
9:35 a.m. - 11:42 a.m.YYZ-LAS
5h 07mdirect
C$ 302Porter Airlines
Find Deal
Fri, 28 Nov - Thu, 4 Dec
Air Canada Logo
11:30 a.m. - 7:15 p.m.LAX-YYZ
4h 45mdirect
Air Canada Logo
6:55 p.m. - 9:28 p.m.YYZ-LAX
5h 33mdirect
C$ 353Air Canada
Find Deal
Fri, 28 Nov - Thu, 4 Dec
Air Canada Logo
11:30 a.m. - 7:15 p.m.LAX-YYZ
4h 45mdirect
Air Canada Logo
8:00 a.m. - 10:32 a.m.YYZ-LAX
5h 32mdirect
C$ 366Air Canada
Find Deal
Thu, 27 Nov - Wed, 3 Dec
United Airlines Logo
3:55 p.m. - 2:01 p.m.SJC-YYZ
19h 06m2 stops
United Airlines Logo
4:10 p.m. - 9:06 p.m.YYZ-SJC
7h 56m1 stop
C$ 528United Airlines
Find Deal
Tue, 24 Feb - Wed, 25 Feb
United Airlines Logo
3:55 p.m. - 4:02 p.m.SJC-YYZ
21h 07m2 stops
United Airlines Logo
7:40 p.m. - 1:41 p.m.YYZ-SJC
21h 01m2 stops
C$ 536United Airlines
Find Deal
Tue, 24 Feb - Wed, 25 Feb

Air Canada flights from California to Region of Ontario

Our best Air Canada deals on California to Region of Ontario flight tickets
Air Canada
28 Nov
LAX11:30 a.m.Los Angeles
4h 45m
YYZ7:15 p.m.Toronto Pearson Intl
4 Dec
YYZ6:55 p.m.Toronto Pearson Intl
5h 33m
LAX9:28 p.m.Los Angeles
C$ 353
Find similar
Air Canada
27 Nov
LAX11:30 a.m.Los Angeles
4h 45m
YYZ7:15 p.m.Toronto Pearson Intl
3 Dec
YYZ8:00 a.m.Toronto Pearson Intl
5h 32m
LAX10:32 a.m.Los Angeles
C$ 366
Find similar
Air Canada
27 Nov
LAX11:30 a.m.Los Angeles
4h 45m
YYZ7:15 p.m.Toronto Pearson Intl
3 Dec
YYZ6:55 p.m.Toronto Pearson Intl
5h 33m
LAX9:28 p.m.Los Angeles
C$ 367
Find similar

WestJet flights from California to Region of Ontario

Our best WestJet deals on California to Region of Ontario flight tickets
WestJet
9 Jan
LAS11:25 p.m.Las Vegas Harry Reid Intl
4h 22m
YYZ6:47 a.m.Toronto Pearson Intl
11 Jan
YYZ8:00 p.m.Toronto Pearson Intl
5h 09m
LAS10:09 p.m.Las Vegas Harry Reid Intl
C$ 247
Find similar
WestJet
30 Jan
LAS11:25 p.m.Las Vegas Harry Reid Intl
4h 22m
YYZ6:47 a.m.Toronto Pearson Intl
2 Feb
YYZ1:30 p.m.Toronto Pearson Intl
9h 46m
1 stop
LAS8:16 p.m.Las Vegas Harry Reid Intl
C$ 264
Find similar
WestJet
14 Jan
LAS1:10 p.m.Las Vegas Harry Reid Intl
13h 48m
2 stops
YYZ5:58 a.m.Toronto Pearson Intl
15 Jan
YYZ8:00 p.m.Toronto Pearson Intl
5h 09m
LAS10:09 p.m.Las Vegas Harry Reid Intl
C$ 267
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from California to Region of Ontario 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 96,600 searches. Data last updated 30 October 2025.
Use the filters below to find and compare flights from California to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Las VegasToronto

LAS - YYZ

LASYYZ

Las Vegas Harry Reid Intl

Fri 9/1

11:25 p.m.-6:47 a.m.

Nonstop4h 22m

Toronto Pearson Intl

Sun 11/1

8:00 p.m.-10:09 p.m.

Nonstop5h 09m

C$ 247

Las VegasToronto

LAS - YYZ

LASYYZ

Las Vegas Harry Reid Intl

Fri 30/1

11:25 p.m.-6:47 a.m.

Nonstop4h 22m

Toronto Pearson Intl

Mon 2/2

1:30 p.m.-8:16 p.m.

1 stop9h 46m

C$ 264

Las VegasToronto

LAS - YYZ

LASYYZ

Las Vegas Harry Reid Intl

Fri 9/1

11:25 p.m.-6:47 a.m.

Nonstop4h 22m

Toronto Pearson Intl

Sun 11/1

7:55 p.m.-10:02 p.m.

Nonstop5h 07m

C$ 270

Las VegasToronto

LAS - YYZ

LASYYZ

Las Vegas Harry Reid Intl

Wed 14/1

12:40 p.m.-7:55 p.m.

Nonstop4h 15m

Toronto Pearson Intl

Thu 15/1

8:00 p.m.-10:09 p.m.

Nonstop5h 09m

C$ 274

Las VegasToronto

LAS - YYZ

LASYYZ

Las Vegas Harry Reid Intl

Tue 20/1

12:40 p.m.-7:55 p.m.

Nonstop4h 15m

Toronto Pearson Intl

Sat 24/1

9:35 a.m.-11:42 a.m.

Nonstop5h 07m

C$ 278

Las VegasToronto

LAS - YYZ

LASYYZ

Las Vegas Harry Reid Intl

Fri 28/11

11:05 p.m.-6:20 a.m.

Nonstop4h 15m

Toronto Pearson Intl

Thu 4/12

9:35 a.m.-11:42 a.m.

Nonstop5h 07m

C$ 302

Los AngelesToronto

LAX - YYZ

LAXYYZ

Los Angeles

Fri 28/11

11:30 a.m.-7:15 p.m.

Nonstop4h 45m

Toronto Pearson Intl

Thu 4/12

6:55 p.m.-9:28 p.m.

Nonstop5h 33m

C$ 353

Los AngelesToronto

LAX - YYZ

LAXYYZ

Los Angeles

Thu 27/11

11:30 a.m.-7:15 p.m.

Nonstop4h 45m

Toronto Pearson Intl

Wed 3/12

8:00 a.m.-10:32 a.m.

Nonstop5h 32m

C$ 366

San JoseToronto

SJC - YYZ

SJCYYZ

San Jose

Tue 24/2

3:55 p.m.-2:01 p.m.

2 stops19h 06m

Toronto Pearson Intl

Wed 25/2

4:10 p.m.-9:06 p.m.

1 stop7h 56m

C$ 528

San JoseToronto

SJC - YYZ

SJCYYZ

San Jose

Tue 24/2

3:55 p.m.-4:02 p.m.

2 stops21h 07m

Toronto Pearson Intl

Wed 25/2

7:40 p.m.-1:41 p.m.

2 stops21h 01m

C$ 536

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 Ontario from

How to get the cheapest flight ticket from California to Region of Ontario

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 month to fly to Region of Ontario?

In general, May is the cheapest month to fly from California to Region of Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 371. If you are unable to visit Region of Ontario during the month of May, then departing from California during the month June is also very affordable. Most momondo users find prices during this month for around C$ 387.

What is the cheapest day to depart on your flight to Region of Ontario?

The cheapest day to depart from California to Region of Ontario is on a Friday. Travellers who choose to depart for Region of Ontario on a Friday will often find tickets for as low as C$ 340. The most expensive day to fly to Region of Ontario is Sunday, with ticket prices averaging around C$ 517.

What is the cheapest time of day to depart on your flight to Region of Ontario?

Our most recent data shows that the best time of day to fly to Region of Ontario is in the evening. Flights from California to Region of Ontario during this time can be as low as C$ 277. If you have a flexible travel schedule, then try to avoid flying at noon when prices are C$ 481 on average. Flights to Region of Ontario from California at noon are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest California to Ontario flight route?

Fly from Los Angeles to Toronto Pearson Intl for the best California - Ontario flight prices

How far in advance should I book a flight to Region of Ontario?

You are more likely to see cheaper flights to Region of Ontario from California when booking weeks ahead of your departure date. In general, you can expect to find flights to Region of Ontario for around C$ 442 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Region of Ontario from California for as low as C$ 304 on momondo.

What cabin class options are available on California to Ontario flights?

There are 3 cabin classes available to choose from on California to Ontario flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on California to Region of Ontario flights?

You could potentially save up to 9% on your flight if you consider stops on a California to Region of Ontario flight.

Cheap California to Region of Ontario flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from California to Region of Ontario

Best price found

C$ 147

Fastest flight time

4h 12m

Direct flights

Every day

Airports in Region of Ontario

1 airport
The best one-way flight to Region of Ontario from California in the past 72 hours is C$ 147. The best round-trip flight deal from California to Region of Ontario found on momondo in the last 72 hours is C$ 234.
The fastest flight from California to Region of Ontario takes 4h 12m
Direct flights go from California to Region of Ontario every day.
There is 1 airport near Region of Ontario: Toronto Pearson Intl (YYZ)
Search flight deals

  • When did momondo last update prices for flights from California to Ontario?

    Prices for flights from California to Ontario refresh daily.

  • How many operators does momondo search for flights from California to Ontario?

  • How old do you have to be to fly from California to Ontario?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from California to Ontario.

  • What documentation or ID do you need to fly to Ontario?

    The travel and health documents you'll need for your trip to Ontario 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 Ontario. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from California to Region of Ontario?

Best airlines flying from California to Region of Ontario

Compare and see reviews for airlines that fly from California to Region of Ontario with momondo
Airline
Rating
Free Cancellation
Price
Porter AirlinesPriceFrom C$ 148Free CancellationRating
8.0
384 reviews
Search Porter Airlines flights
United AirlinesPriceFrom C$ 164Free CancellationRating
7.4
8,996 reviews
Search United Airlines flights
Air CanadaPriceFrom C$ 199Free CancellationRating
7.1
10,383 reviews
Search Air Canada flights
WestJetPriceFrom C$ 219Free CancellationRating
7.2
3,152 reviews
Search WestJet flights
Air TransatPriceFrom C$ 303Free CancellationRating
7.8
469 reviews
Search Air Transat flights

Why use momondo?

Why should I use momondo to find a flight deal from California to Ontario?

It is quick and easy to find California to Ontario flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Ontario that suits you.

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

Yes. momondo allows you to filter the results for California to Ontario flights to just show those with flexible booking policies.

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

momondo helps you find the best flight between California and Ontario by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

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

An easier way to manage your Region of Ontario trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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Find better results for your trip to Ontario

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Popular flights according to clicks in the last 7 days on momondo
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