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

United Airlines, Delta, and Air Canada are the most popular carriers operating from Ontario to California

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

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

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

As of March 2026, there are 46 flights per day flying from Region of Ontario to California. The most common time of day flights depart is 8:00AM, with 54% of flights taking off at noon.

What airlines fly to California?

Air Canada, Porter Airlines and United Airlines are the top three most popular airlines that fly to California from Region of Ontario according to our data. Air Canada is the first choice among our users, with 48% of people opting to fly with this airline when traveling to California. Keep in mind that there are 7 different airlines that fly to California on a routine basis, so you have a few additional options to choose from.

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

Flight times from Region of Ontario to California vary, but if you’re flying out of Toronto and flying into Los Angeles (one of the most popular routes), then the duration is 7h 35m on average. Another popular route from Region of Ontario to California is flying from Ottawa to Los Angeles, which will take roughly 7h 40m. Keep in mind that layovers or delays could extend your travel time.

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

Prices for flights from Ontario to California are refreshed on a daily basis.

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

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

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario to California.

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

The required travel and health documents for your California 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 California. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$123 Cheap Flights from Ontario to California in 2026

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Find the cheapest flights from Ontario to California

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:55 am - 11:42 am

YYZ

LAS

4h 47mnonstop

12:45 pm - 8:09 pm

LAS

YYZ

4h 24mnonstop

$202Porter Airlines

Tue, Jun 2 - Sat, Jun 6

7:55 pm - 10:00 pm

YYZ

LAS

5h 05mnonstop

12:40 pm - 7:55 pm

LAS

YYZ

4h 15mnonstop

$205Porter Airlines

Sat, Apr 11 - Sat, Apr 18

10:00 am - 6:13 pm

YYZ

LAS

11h 13m

1 stop

8:05 am - 9:11 pm

LAS

YYZ

10h 06m

1 stop

$206WestJet

Mon, Apr 20 - Wed, Apr 22

8:00 pm - 10:12 pm

YYZ

LAS

5h 12mnonstop

8:05 am - 8:26 pm

LAS

YYZ

9h 21m

1 stop

$208WestJet

Mon, Apr 20 - Wed, Apr 22

5:15 pm - 9:54 pm

YYZ

LAS

7h 39m

1 stop

12:36 am - 9:54 am

LAS

YYZ

6h 18m

1 stop

$214United Airlines

Mon, Jun 1 - Wed, Jun 3

8:15 am - 10:45 am

YUL

LAS

5h 30mnonstop

11:40 am - 7:35 pm

LAS

YUL

4h 55mnonstop

$282Air Canada

Sun, May 24 - Wed, May 27

9:30 am - 8:35 pm

YTZ

LAS

14h 05m

1 stop

9:10 am - 9:32 pm

LAS

YTZ

9h 22m

1 stop

$284Air Canada

Wed, Apr 22 - Wed, Apr 29

2:55 pm - 10:19 pm

YTZ

LAS

10h 24m

1 stop

12:36 am - 10:06 am

LAS

YTZ

6h 30m

1 stop

$287United Airlines

Sat, Jun 6 - Sat, Jun 6

6:00 am - 11:53 am

YUL

LAS

8h 53m

1 stop

11:01 pm - 11:59 am

LAS

YUL

9h 58m

1 stop

$295Delta

Tue, Apr 14 - Mon, Apr 20

12:42 pm - 9:07 pm

YUL

LAS

11h 25m

1 stop

11:29 am - 11:13 pm

LAS

YUL

8h 44m

1 stop

$296Delta

Tue, May 5 - Tue, May 12

Air Canada flights from Region of Ontario to California

Our best Air Canada deals on Region of Ontario to California flight tickets

Air Canada

Jun 23

YYZ8:35 pmToronto Pearson Intl

4h 49m

LAS10:24 pmLas Vegas Harry Reid Intl

Jul 1

LAS11:25 pmLas Vegas Harry Reid Intl

9h 10m

1 stop

YYZ11:35 amToronto Pearson Intl

$247

Air Canada

May 24

YUL8:15 amMontreal Pierre Elliott Trudeau Intl

5h 30m

LAS10:45 amLas Vegas Harry Reid Intl

May 27

LAS11:40 amLas Vegas Harry Reid Intl

4h 55m

YUL7:35 pmMontreal Pierre Elliott Trudeau Intl

$282

Air Canada

Apr 22

YTZ9:30 amToronto Island

14h 05m

1 stop

LAS8:35 pmLas Vegas Harry Reid Intl

Apr 29

LAS9:10 amLas Vegas Harry Reid Intl

9h 22m

1 stop

YTZ9:32 pmToronto Island

$284

Porter Airlines flights from Region of Ontario to California

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

Porter Airlines

Jun 2

YYZ9:55 amToronto Pearson Intl

4h 47m

LAS11:42 amLas Vegas Harry Reid Intl

Jun 6

LAS12:45 pmLas Vegas Harry Reid Intl

4h 24m

YYZ8:09 pmToronto Pearson Intl

$202

Porter Airlines

Apr 11

YYZ7:55 pmToronto Pearson Intl

5h 05m

LAS10:00 pmLas Vegas Harry Reid Intl

Apr 18

LAS12:40 pmLas Vegas Harry Reid Intl

4h 15m

YYZ7:55 pmToronto Pearson Intl

$205

Porter Airlines

Jun 6

YYZ9:55 amToronto Pearson Intl

4h 47m

LAS11:42 amLas Vegas Harry Reid Intl

Jun 11

LAS11:15 pmLas Vegas Harry Reid Intl

4h 24m

YYZ6:39 amToronto Pearson Intl

$221

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Tue 6/2

9:55 am-11:42 am

Nonstop4h 47m

Las Vegas Harry Reid Intl

Sat 6/6

12:45 pm-8:09 pm

Nonstop4h 24m

$202

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Sat 4/11

7:55 pm-10:00 pm

Nonstop5h 05m

Las Vegas Harry Reid Intl

Sat 4/18

12:40 pm-7:55 pm

Nonstop4h 15m

$205

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Mon 4/20

10:00 am-6:13 pm

1 stop11h 13m

Las Vegas Harry Reid Intl

Wed 4/22

8:05 am-9:11 pm

1 stop10h 06m

$206

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Mon 4/20

8:00 pm-10:12 pm

Nonstop5h 12m

Las Vegas Harry Reid Intl

Wed 4/22

8:05 am-8:26 pm

1 stop9h 21m

$208

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Mon 6/1

5:15 pm-9:54 pm

1 stop7h 39m

Las Vegas Harry Reid Intl

Wed 6/3

12:36 am-9:54 am

1 stop6h 18m

$214

MontrealLas Vegas

YUL - LAS

YULLAS

Montreal Pierre Elliott Trudeau Intl

Sun 5/24

8:15 am-10:45 am

Nonstop5h 30m

Las Vegas Harry Reid Intl

Wed 5/27

11:40 am-7:35 pm

Nonstop4h 55m

$282

TorontoLas Vegas

YTZ - LAS

YTZLAS

Toronto Island

Wed 4/22

9:30 am-8:35 pm

1 stop14h 05m

Las Vegas Harry Reid Intl

Wed 4/29

9:10 am-9:32 pm

1 stop9h 22m

$284

TorontoLas Vegas

YTZ - LAS

YTZLAS

Toronto Island

Sat 6/6

2:55 pm-10:19 pm

1 stop10h 24m

Las Vegas Harry Reid Intl

Sat 6/6

12:36 am-10:06 am

1 stop6h 30m

$287

MontrealLas Vegas

YUL - LAS

YULLAS

Montreal Pierre Elliott Trudeau Intl

Tue 4/14

6:00 am-11:53 am

1 stop8h 53m

Las Vegas Harry Reid Intl

Mon 4/20

11:01 pm-11:59 am

1 stop9h 58m

$295

MontrealLas Vegas

YUL - LAS

YULLAS

Montreal Pierre Elliott Trudeau Intl

Tue 5/5

12:42 pm-9:07 pm

1 stop11h 25m

Las Vegas Harry Reid Intl

Tue 5/12

11:29 am-11:13 pm

1 stop8h 44m

$296

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 Region of Ontario to California

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 California?

The month of May is another great option to travel to California, with average flight prices from Region of Ontario averaging around $251.

What is the cheapest day to depart on your flight to California?

The cheapest day to depart from Region of Ontario to California is on a Friday. Travelers who choose to depart for California on a Friday will often find tickets for as low as $303. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to California on Monday is $397.

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

The cheapest time of day to fly to California is in the evening when flights can be purchased for as low as $222. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $483 on average. Flights to California from Region of Ontario at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Ontario to California flight route?

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

How far in advance should I book a flight to California?

You are more likely to see cheaper flights to California from Region of Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to California for around $308 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to California from Region of Ontario for as low as $250 on momondo.

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

There are 4 cabin classes available to choose from on Ontario to California 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 Region of Ontario to California flights?

You could potentially save up to 17% on your flight if you consider stops on a Region of Ontario to California flight.

Cheap Region of Ontario to California flight deals and tips

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

Best Price Found	$191
Fastest flight time	4h 47m
Direct flights	Every day
Airports in California	418 airports

The best one-way flight to California from Region of Ontario in the past 72 hours is $191. The best round-trip flight deal from Region of Ontario to California found on momondo in the last 72 hours is $357.

The fastest flight from Region of Ontario to California takes 4h 47m

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

There are 418 airports in California. From Region of Ontario there are direct flights to Las Vegas Harry Reid Intl (LAS).

Search flight deals

When did momondo last update prices for flights from Ontario to California?
Prices for flights from Ontario to California are refreshed on a daily basis.
How many operators does momondo search for flights from Ontario to California?
The number of operators available for flights from Ontario to California is 7 as of March 2026.
How old do you have to be to fly from Ontario to California?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario to California.
What documentation or ID do you need to fly to California?
The required travel and health documents for your California 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 California. 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 Region of Ontario to California?
Based on momondo bookings for flights between Region of Ontario and California, the leading plane model is Embraer 195 E2, making up 45.12% of the total bookings. Other popular models include Airbus A321-100/200 with 16.41%, Boeing 737-800 with 11.14%, and Airbus A220-300 with 10.67%.

Best airlines flying from Region of Ontario to California

Compare and see reviews for airlines that fly from Region of Ontario to California with momondo

Airline	Rating	Free Cancellation	Price
Air Canada	PriceFrom $102	Free Cancellation	Rating 7.1 10,840 reviews	Search Air Canada flights
WestJet	PriceFrom $116	Free Cancellation	Rating 7.2 3,302 reviews	Search WestJet flights
Porter Airlines	PriceFrom $130	Free Cancellation	Rating 8.0 428 reviews	Search Porter Airlines flights
United Airlines	PriceFrom $142	Free Cancellation	Rating 7.4 9,479 reviews	Search United Airlines flights
Air Transat	PriceFrom $152	Free Cancellation	Rating 7.7 524 reviews	Search Air Transat flights
Delta	PriceFrom $171	Free Cancellation	Rating 7.9 8,326 reviews	Search Delta flights
American Airlines	PriceFrom $228	Free Cancellation	Rating 7.1 11,494 reviews	Search American Airlines flights

Why use momondo?

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

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

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

momondo does allow users to show only those flights to California from Ontario which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search for Ontario to California 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 California right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to California from Ontario. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Popular cities in California

Flights to New Yorkfrom $66

Flights to Los Angelesfrom $60

Flights to Orlandofrom $49

Flights to Miamifrom $45

Flights to Chicagofrom $68

Flights to San Franciscofrom $77

Flights to Las Vegasfrom $41

Flights to Washington, D.C.from $59

Flights to Bostonfrom $65

Flights to Atlantafrom $53

Flights to Dallasfrom $62

Flights to Seattlefrom $104

Cheap flights from Ontario to California from $121

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 California departing on 6/12. 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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Air Canada flights from Region of Ontario to California

Our best Air Canada deals on Region of Ontario to California flight tickets

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

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

What is the cheapest month to fly to California?

What is the cheapest day to depart on your flight to California?

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

What is the cheapest Ontario to California flight route?

How far in advance should I book a flight to California?

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

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

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

What airlines fly to California?

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

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

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

Cheap Region of Ontario to California flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in California

Best airlines flying from Region of Ontario to California

Compare and see reviews for airlines that fly from Region of Ontario to California with momondo

Why use momondo?

An easier way to manage your California 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 California

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Region of Ontario flight routes

According to popular flight searches on momondo this year

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