How long is the flight from California to Region of Ontario?

Average flight duration from California to Region of Ontario depends on which airport you fly into and out of. Flying from Los Angeles to Toronto Pearson Intl Airport is 4h 40m on average, while flying from San Diego to Toronto Pearson Intl Airport is 4h 50m on average. Toronto Pearson Intl Airport is the most popular airport in Region of Ontario.

What airlines fly to Region of Ontario?

Air Canada, Porter Airlines and United Airlines are the top three most popular airlines that fly to Region of Ontario from California according to our data. Air Canada is the first choice among our users, with 43% of people opting to fly with this airline when traveling to Region of Ontario. Keep in mind that there are 7 different airlines that fly to Region of Ontario on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from California to Ontario?

WestJet, Porter Airlines, and Air Canada are the most popular carriers operating from California to Ontario

How many flights depart from California to Region of Ontario on average per day?

As of February 2026, 51 flights take off from California and land in Region of Ontario each day. The most common flight departure time for this route is 12:00PM, with 52% of daily flights taking off in the afternoon.

How many flights depart from California to Region of Ontario on average per week?

358 flights are operational weekly from California to Region of Ontario as of February 2026. The most popular departure day for this route is Fri, with 17% of flights per week taking off on this day.

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

Prices for flights from California to Ontario are updated daily.

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

The number of operators available for flights from California to Ontario is 7 as of February 2026.

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

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 California to Ontario.

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

The required travel and health documents for your Ontario trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$71 Cheap Flights from California to Ontario in 2026

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Find the cheapest flights from California to Ontario

Round-trip

One-way

Last minute

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Cheap round-trip flights

Enter your travel dates to find the best prices.

8:00 am - 11:38 pm

LAS

YYZ

12h 38m

2 stops

12:30 pm - 8:16 pm

YYZ

LAS

10h 46m

1 stop

$147WestJet

Wed, Mar 4 - Sun, Mar 8

8:00 am - 11:38 pm

LAS

YYZ

12h 38m

2 stops

12:30 pm - 8:16 pm

YYZ

LAS

10h 46m

1 stop

$149WestJet

Wed, Mar 4 - Sun, Mar 8

8:05 am - 11:38 pm

LAS

YYZ

12h 33m

2 stops

8:00 pm - 10:12 pm

YYZ

LAS

5h 12mnonstop

$151WestJet

Wed, Mar 11 - Thu, Mar 19

8:00 am - 11:38 pm

LAS

YYZ

12h 38m

2 stops

8:00 pm - 10:12 pm

YYZ

LAS

5h 12mnonstop

$152WestJet

Wed, Mar 4 - Sun, Mar 8

1:40 pm - 9:25 pm

LAX

YYZ

4h 45mnonstop

10:00 am - 12:39 pm

YYZ

LAX

5h 39mnonstop

$216Porter Airlines

Sat, Mar 14 - Tue, Mar 24

1:40 pm - 9:25 pm

LAX

YYZ

4h 45mnonstop

10:00 am - 12:39 pm

YYZ

LAX

5h 39mnonstop

$217Porter Airlines

Fri, Feb 27 - Wed, Mar 4

6:15 pm - 6:43 am

LAX

YYZ

9h 28m

1 stop

10:00 am - 12:39 pm

YYZ

LAX

5h 39mnonstop

$219Multiple Airlines

Thu, Mar 26 - Mon, Mar 30

8:19 pm - 9:11 pm

LAX

YYZ

21h 52m

2 stops

10:00 am - 12:39 pm

YYZ

LAX

5h 39mnonstop

$220Multiple Airlines

Mon, Mar 16 - Tue, Mar 24

8:15 am - 9:32 pm

LAX

YTZ

10h 17m

1 stop

12:30 pm - 7:54 pm

YTZ

LAX

10h 24m

1 stop

$271Air Canada

Wed, May 6 - Mon, May 11

8:10 am - 4:47 pm

SFO

YUL

5h 37mnonstop

6:00 pm - 9:21 pm

YUL

SFO

6h 21mnonstop

$316Air Canada

Thu, Apr 9 - Wed, Apr 15

WestJet flights from California to Region of Ontario

Our best WestJet deals on California to Region of Ontario flight tickets

WestJet

Mar 4

LAS8:00 amLas Vegas Harry Reid Intl

12h 38m

2 stops

YYZ11:38 pmToronto Pearson Intl

Mar 8

YYZ12:30 pmToronto Pearson Intl

10h 46m

1 stop

LAS8:16 pmLas Vegas Harry Reid Intl

$147

WestJet

Mar 4

LAS8:00 amLas Vegas Harry Reid Intl

12h 38m

2 stops

YYZ11:38 pmToronto Pearson Intl

Mar 8

YYZ12:30 pmToronto Pearson Intl

10h 46m

1 stop

LAS8:16 pmLas Vegas Harry Reid Intl

$149

WestJet

Mar 11

LAS8:05 amLas Vegas Harry Reid Intl

12h 33m

2 stops

YYZ11:38 pmToronto Pearson Intl

Mar 19

YYZ8:00 pmToronto Pearson Intl

5h 12m

LAS10:12 pmLas Vegas Harry Reid Intl

$151

Porter Airlines flights from California to Region of Ontario

Our best Porter Airlines deals on California to Region of Ontario flight tickets

Porter Airlines

Mar 2

LAS11:05 pmLas Vegas Harry Reid Intl

4h 15m

YYZ6:20 amToronto Pearson Intl

Mar 9

YYZ7:55 pmToronto Pearson Intl

5h 07m

LAS10:02 pmLas Vegas Harry Reid Intl

$187

Porter Airlines

Mar 2

LAS11:05 pmLas Vegas Harry Reid Intl

4h 15m

YYZ6:20 amToronto Pearson Intl

Mar 9

YYZ7:55 pmToronto Pearson Intl

5h 07m

LAS10:02 pmLas Vegas Harry Reid Intl

$197

Porter Airlines

Mar 14

LAX1:40 pmLos Angeles

4h 45m

YYZ9:25 pmToronto Pearson Intl

Mar 24

YYZ10:00 amToronto Pearson Intl

5h 39m

LAX12:39 pmLos Angeles

$216

Fly from

Fly to

Route

Depart

Return

Price

Las VegasToronto

LAS - YYZ

LASYYZ

Las Vegas Harry Reid Intl

Wed 3/4

8:00 am-11:38 pm

2 stops12h 38m

Toronto Pearson Intl

Sun 3/8

12:30 pm-8:16 pm

1 stop10h 46m

$147

Las VegasToronto

LAS - YYZ

LASYYZ

Las Vegas Harry Reid Intl

Wed 3/4

8:00 am-11:38 pm

2 stops12h 38m

Toronto Pearson Intl

Sun 3/8

12:30 pm-8:16 pm

1 stop10h 46m

$149

Las VegasToronto

LAS - YYZ

LASYYZ

Las Vegas Harry Reid Intl

Wed 3/11

8:05 am-11:38 pm

2 stops12h 33m

Toronto Pearson Intl

Thu 3/19

8:00 pm-10:12 pm

Nonstop5h 12m

$151

Las VegasToronto

LAS - YYZ

LASYYZ

Las Vegas Harry Reid Intl

Wed 3/4

8:00 am-11:38 pm

2 stops12h 38m

Toronto Pearson Intl

Sun 3/8

8:00 pm-10:12 pm

Nonstop5h 12m

$152

Los AngelesToronto

LAX - YYZ

LAXYYZ

Los Angeles

Sat 3/14

1:40 pm-9:25 pm

Nonstop4h 45m

Toronto Pearson Intl

Tue 3/24

10:00 am-12:39 pm

Nonstop5h 39m

$216

Los AngelesToronto

LAX - YYZ

LAXYYZ

Los Angeles

Fri 2/27

1:40 pm-9:25 pm

Nonstop4h 45m

Toronto Pearson Intl

Wed 3/4

10:00 am-12:39 pm

Nonstop5h 39m

$217

Los AngelesToronto

LAX - YYZ

LAXYYZ

Los Angeles

Thu 3/26

6:15 pm-6:43 am

1 stop9h 28m

Toronto Pearson Intl

Mon 3/30

10:00 am-12:39 pm

Nonstop5h 39m

$219

Los AngelesToronto

LAX - YYZ

LAXYYZ

Los Angeles

Mon 3/16

8:19 pm-9:11 pm

2 stops21h 52m

Toronto Pearson Intl

Tue 3/24

10:00 am-12:39 pm

Nonstop5h 39m

$220

Los AngelesToronto

LAX - YTZ

LAXYTZ

Los Angeles

Wed 5/6

8:15 am-9:32 pm

1 stop10h 17m

Toronto Island

Mon 5/11

12:30 pm-7:54 pm

1 stop10h 24m

$271

San FranciscoMontreal

SFO - YUL

SFOYUL

San Francisco

Thu 4/9

8:10 am-4:47 pm

Nonstop5h 37m

Montreal Pierre Elliott Trudeau Intl

Wed 4/15

6:00 pm-9:21 pm

Nonstop6h 21m

$316

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Other information

What is the cheapest month to fly to Region of Ontario?

The month of June is, on average, the cheapest month to fly to Region of Ontario from California, with most prices found around $272. If you aren’t able to travel during the month of June, then book flights to Region of Ontario from California during May instead. Flights to Region of Ontario in May, while not as cheap as those in June, still average around $282.

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

According to our data, Thursday is the cheapest day to fly to Region of Ontario from California. The lowest ticket price found for a Thursday departure recently was $375. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from California to Region of Ontario on a Sunday will generally be more expensive and average around $593. 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 Region of Ontario?

According to our data, the cheapest time of day to fly to Region of Ontario is at noon. momondo users have found flights departing from California to Region of Ontario at noon for as low as $311. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the morning are often more expensive with an average ticket price of $605.

What is the cheapest California to Ontario flight route?

Fly from Palm Springs 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 $332 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 $232 on momondo.

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

There are 4 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 31% 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	$182
Fastest flight time	4h 15m
Direct flights	Every day
Airports in Region of Ontario	123 airports

The best one-way flight to Region of Ontario from California in the past 72 hours is $182. The best round-trip flight deal from California to Region of Ontario found on momondo in the last 72 hours is $296.

The fastest flight from California to Region of Ontario takes 4h 15m

Direct flights go from California to Region of Ontario every day.

There are 123 airports in Region of Ontario. From California there are direct flights to 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 are updated daily.
How many operators does momondo search for flights from California to Ontario?
The number of operators available for flights from California to Ontario is 7 as of February 2026.
How old do you have to be to fly from California to Ontario?
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 California to Ontario.
What documentation or ID do you need to fly to Ontario?
The required travel and health documents for your Ontario trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from California to Region of Ontario?
momondo data reveals that the most frequently booked plane model on the route from California to Region of Ontario is Embraer 195 E2, representing 45.00% of all bookings. The subsequent popular models are Airbus A321-100/200 at 15.24%, Airbus A220-300 at 12.47%, and Boeing 737 MAX 8 at 11.27%.

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
WestJet	PriceFrom $100	Free Cancellation	Rating 7.2 3,260 reviews	Search WestJet flights
United Airlines	PriceFrom $101	Free Cancellation	Rating 7.4 9,289 reviews	Search United Airlines flights
Porter Airlines	PriceFrom $102	Free Cancellation	Rating 7.9 415 reviews	Search Porter Airlines flights
Air Transat	PriceFrom $114	Free Cancellation	Rating 7.7 508 reviews	Search Air Transat flights
Air Canada	PriceFrom $122	Free Cancellation	Rating 7.1 10,717 reviews	Search Air Canada flights
Delta	PriceFrom $122	Free Cancellation	Rating 7.9 8,200 reviews	Search Delta flights
American Airlines	PriceFrom $256	Free Cancellation	Rating 7.2 11,288 reviews	Search American Airlines flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from California to Ontario. momondo saves you time and could save you money on your trip.

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

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

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

momondo provides multiple filters to help you find the best flight to Ontario from California. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Of course. momondo tracks the price of California to Ontario flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Region of Ontario trip

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Popular cities in Ontario

Flights to Torontofrom $115

Flights to Vancouverfrom $95

Flights to Montrealfrom $159

Flights to Calgaryfrom $141

Flights to Ottawafrom $208

Flights to Halifaxfrom $194

Flights to Winnipegfrom $182

Flights to Québec Cityfrom $273

Flights to Kelownafrom $185

Flights to Saskatoonfrom $198

Flights to Vancouverfrom $101

Flights to St. John'sfrom $341

Cheap flights from California to Ontario from $71

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 3/5. 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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WestJet flights from California to Region of Ontario

Our best WestJet deals on California to Region of Ontario flight tickets

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Our best Porter Airlines deals on California to Region of Ontario flight tickets

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

What is the cheapest month to fly to Region of Ontario?

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

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

What is the cheapest California to Ontario flight route?

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

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

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

What is the cheapest airline that flies from California to Ontario?

What airlines fly to Region of Ontario?

How many flights depart from California to Region of Ontario on average per day?

How many flights depart from California to Region of Ontario on average per week?

How long is the flight from California to Region of Ontario?

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

Fastest flight time

Direct flights

Airports in 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

Why use momondo?

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

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

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

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

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Ontario

Popular cities in Ontario

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

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According to popular flight searches on momondo this year

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