Which airlines fly to California?

Porter Airlines, Air Canada and United Airlines are the top three most popular airlines that fly to California from Region of Ontario according to our data. Porter Airlines is the first choice among our users, with 39% of people opting to fly with this airline when travelling to California. Keep in mind that there are 10 different airlines that fly to California on a routine basis, so you have a few additional options to choose from.

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

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

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

449 flights are operational weekly from Region of Ontario to California as of May 2026. The most popular departure day for this route is Fri, with 16% 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 May 2026, 64 flights take off from Region of Ontario and land in California each day. The most common flight departure time for this route is 9:00a.m., with 54% of daily flights taking off at noon.

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

If you’re flying from a popular airport in Region of Ontario, such as Toronto or Ottawa, and flying into California, then you can expect flight times to average 7h 56m and 8h 04m, respectively.

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?

There are 10 operators available for flights from Ontario to California as of May 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 travel and health documents you'll need for your trip to California 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 California. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

C$ 197 Cheap Flights from Ontario to California in 2026

1 adult

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Early arrival? Instantly customize your results

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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.

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

YYZ

LAS

5h 07mdirect

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

LAS

YYZ

4h 15mdirect

C$ 319Porter Airlines

Mon, 26 Oct - Fri, 30 Oct

3:50 p.m. - 9:40 p.m.

YYZ

LAS

8h 50m

1 stop

1:45 p.m. - 1:05 a.m.

LAS

YYZ

8h 20m

1 stop

C$ 325WestJet

Fri, 9 Oct - Tue, 13 Oct

5:30 p.m. - 10:23 p.m.

YTZ

LAS

7h 53m

1 stop

11:25 p.m. - 10:55 a.m.

LAS

YTZ

8h 30m

2 stops

C$ 431Air Canada

Sat, 12 Sep - Thu, 17 Sep

4:30 p.m. - 10:23 p.m.

YTZ

LAS

8h 53m

1 stop

11:25 p.m. - 2:20 p.m.

LAS

YTZ

11h 55m

1 stop

C$ 455Air Canada

Tue, 8 Sep - Tue, 15 Sep

12:15 p.m. - 9:27 p.m.

YTZ

LAS

12h 12m

2 stops

11:30 p.m. - 10:06 a.m.

LAS

YTZ

7h 36m

1 stop

C$ 480United Airlines

Sat, 6 Jun - Sat, 6 Jun

12:15 p.m. - 7:00 p.m.

YTZ

LAX

9h 45m

2 stops

10:35 p.m. - 10:06 a.m.

LAX

YTZ

8h 31m

2 stops

C$ 480United Airlines

Sat, 6 Jun - Sat, 6 Jun

6:46 a.m. - 5:41 p.m.

YYZ

LAX

13h 55m

1 stop

8:10 p.m. - 10:58 a.m.

LAX

YYZ

11h 48m

2 stops

C$ 481American Airlines

Fri, 5 Jun - Fri, 5 Jun

7:24 p.m. - 9:15 a.m.

YYZ

LAX

16h 51m

1 stop

8:10 p.m. - 10:58 a.m.

LAX

YYZ

11h 48m

2 stops

C$ 490American Airlines

Thu, 4 Jun - Fri, 5 Jun

6:05 a.m. - 2:28 p.m.

YYZ

LAX

11h 23m

1 stop

9:33 a.m. - 11:58 p.m.

LAX

YYZ

11h 25m

1 stop

C$ 500Delta

Fri, 26 Jun - Tue, 30 Jun

5:45 p.m. - 10:23 p.m.

YYZ

ONT

7h 38m

1 stop

10:00 p.m. - 12:23 p.m.

ONT

YYZ

11h 23m

1 stop

C$ 588Delta

Sat, 18 Jul - Tue, 21 Jul

Porter Airlines flights from Region of Ontario to California

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

Porter Airlines

18 Jun

YYZ8:30 p.m.Toronto Pearson Intl

4h 47m

LAS10:17 p.m.Las Vegas Harry Reid Intl

26 Jun

LAS11:15 p.m.Las Vegas Harry Reid Intl

4h 24m

YYZ6:39 a.m.Toronto Pearson Intl

C$ 361

Porter Airlines

21 Jun

YYZ8:30 p.m.Toronto Pearson Intl

4h 47m

LAS10:17 p.m.Las Vegas Harry Reid Intl

27 Jun

LAS9:45 a.m.Las Vegas Harry Reid Intl

4h 24m

YYZ5:09 p.m.Toronto Pearson Intl

C$ 362

Porter Airlines

18 Jun

YYZ8:30 p.m.Toronto Pearson Intl

4h 47m

LAS10:17 p.m.Las Vegas Harry Reid Intl

26 Jun

LAS9:45 a.m.Las Vegas Harry Reid Intl

4h 24m

YYZ5:09 p.m.Toronto Pearson Intl

C$ 376

Air Canada flights from Region of Ontario to California

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

Air Canada

12 Sep

YTZ5:30 p.m.Toronto Island

7h 53m

1 stop

LAS10:23 p.m.Las Vegas Harry Reid Intl

17 Sep

LAS11:25 p.m.Las Vegas Harry Reid Intl

8h 30m

2 stops

YTZ10:55 a.m.Toronto Island

C$ 431

Air Canada

8 Sep

YTZ4:30 p.m.Toronto Island

8h 53m

1 stop

LAS10:23 p.m.Las Vegas Harry Reid Intl

15 Sep

LAS11:25 p.m.Las Vegas Harry Reid Intl

11h 55m

1 stop

YTZ2:20 p.m.Toronto Island

C$ 455

Air Canada

12 Jun

YYZ8:35 p.m.Toronto Pearson Intl

4h 54m

LAS10:29 p.m.Las Vegas Harry Reid Intl

23 Jun

LAS11:25 p.m.Las Vegas Harry Reid Intl

4h 16m

YYZ6:41 a.m.Toronto Pearson Intl

C$ 457

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Mon 26/10

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

Nonstop5h 07m

Las Vegas Harry Reid Intl

Fri 30/10

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

Nonstop4h 15m

C$ 319

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Fri 9/10

3:50 p.m.-9:40 p.m.

1 stop8h 50m

Las Vegas Harry Reid Intl

Tue 13/10

1:45 p.m.-1:05 a.m.

1 stop8h 20m

C$ 325

TorontoLas Vegas

YTZ - LAS

YTZLAS

Toronto Island

Sat 12/9

5:30 p.m.-10:23 p.m.

1 stop7h 53m

Las Vegas Harry Reid Intl

Thu 17/9

11:25 p.m.-10:55 a.m.

2 stops8h 30m

C$ 431

TorontoLas Vegas

YTZ - LAS

YTZLAS

Toronto Island

Tue 8/9

4:30 p.m.-10:23 p.m.

1 stop8h 53m

Las Vegas Harry Reid Intl

Tue 15/9

11:25 p.m.-2:20 p.m.

1 stop11h 55m

C$ 455

TorontoLas Vegas

YTZ - LAS

YTZLAS

Toronto Island

Sat 6/6

12:15 p.m.-9:27 p.m.

2 stops12h 12m

Las Vegas Harry Reid Intl

Sat 6/6

11:30 p.m.-10:06 a.m.

1 stop7h 36m

C$ 480

TorontoLos Angeles

YTZ - LAX

YTZLAX

Toronto Island

Sat 6/6

12:15 p.m.-7:00 p.m.

2 stops9h 45m

Los Angeles

Sat 6/6

10:35 p.m.-10:06 a.m.

2 stops8h 31m

C$ 480

TorontoLos Angeles

YYZ - LAX

YYZLAX

Toronto Pearson Intl

Fri 5/6

6:46 a.m.-5:41 p.m.

1 stop13h 55m

Los Angeles

Fri 5/6

8:10 p.m.-10:58 a.m.

2 stops11h 48m

C$ 481

TorontoLos Angeles

YYZ - LAX

YYZLAX

Toronto Pearson Intl

Thu 4/6

7:24 p.m.-9:15 a.m.

1 stop16h 51m

Los Angeles

Fri 5/6

8:10 p.m.-10:58 a.m.

2 stops11h 48m

C$ 490

TorontoLos Angeles

YYZ - LAX

YYZLAX

Toronto Pearson Intl

Fri 26/6

6:05 a.m.-2:28 p.m.

1 stop11h 23m

Los Angeles

Tue 30/6

9:33 a.m.-11:58 p.m.

1 stop11h 25m

C$ 500

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Sat 18/7

5:45 p.m.-10:23 p.m.

1 stop7h 38m

Ontario

Tue 21/7

10:00 p.m.-12:23 p.m.

1 stop11h 23m

C$ 588

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 cheapest month to fly to California from Region of Ontario is in September. Flight prices, which tend to average around C$ 446, are often lower during this time because this is during the off-season. If you’re not able to fly to California in September, then October is your next best option. Flight prices from Region of Ontario to California during October average around C$ 453.

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

According to our data, Thursday is the cheapest day to fly to California from Region of Ontario. The lowest ticket price found for a Thursday departure recently was C$ 500. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from Region of Ontario to California on a Sunday will generally be more expensive and average around C$ 625. 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 California?

Our data shows that the cheapest Region of Ontario to California flights are usually those with departure times in the evening. Our users have found flights to California in the evening for as low as C$ 510. Flights to California are more costly at noon, with an average ticket price of C$ 1,312. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Ontario to California flight route?

Fly from Toronto Pearson Intl to San Francisco for the best Ontario - California flight prices

How far in advance should I book a flight from Ontario 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 C$ 457 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 C$ 392 on momondo.

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

You could potentially save up to 53% 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	C$ 331
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 C$ 331. The best round-trip flight deal from Region of Ontario to California found on momondo in the last 72 hours is C$ 245.

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

Frequently asked questions about flying from Ontario to California

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?
There are 10 operators available for flights from Ontario to California as of May 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 travel and health documents you'll need for your trip to California 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 California. 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 Region of Ontario to California?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Region of Ontario to California is Embraer 195 E2 (40.52% of total bookings). The next most popular plane models are Boeing 737-800 (12.76%), Airbus A321-100/200 (12.06%), and Boeing 737 MAX 8 (10.77%).

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
Flair Airlines	PriceFrom C$ 115	Free Cancellation	Rating 6.0 268 reviews	Search Flair Airlines flights
American Airlines	PriceFrom C$ 131	Free Cancellation	Rating 7.1 11,669 reviews	Search American Airlines flights
WestJet	PriceFrom C$ 191	Free Cancellation	Rating 7.2 3,332 reviews	Search WestJet flights
Air Canada	PriceFrom C$ 193	Free Cancellation	Rating 7.1 11,017 reviews	Search Air Canada flights
Delta	PriceFrom C$ 226	Free Cancellation	Rating 7.9 8,452 reviews	Search Delta flights
Porter Airlines	PriceFrom C$ 250	Free Cancellation	Rating 8.0 436 reviews	Search Porter Airlines flights
Alaska Airlines	PriceFrom C$ 288	Free Cancellation	Rating 7.9 12,352 reviews	Search Alaska Airlines flights
United Airlines	PriceFrom C$ 293	Free Cancellation	Rating 7.4 9,698 reviews	Search United Airlines flights
Air Transat	PriceFrom C$ 308	Free Cancellation	Rating 7.8 550 reviews	Search Air Transat flights
APG Airlines	PriceFrom C$ 603	Free Cancellation	Rating 0.0 0 reviews	Search APG Airlines flights

Why use momondo?

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

It is quick and easy to find Ontario to California 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 California that suits you.

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

Yes. momondo enables you to select and highlight flights to California from Ontario with this policy.

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.

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.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

Tue 9/6

Tue 16/6

Email me momondo's favourite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to California

Popular cities

Other flights from Ontario

Other flights to California

Airlines

Complete your trip

Feeling lucky

Popular Cities in California

Flights to Fort Lauderdalefrom C$ 228

Flights to Orlandofrom C$ 304

Flights to New Yorkfrom C$ 252

Flights to Los Angelesfrom C$ 216

Flights to Las Vegasfrom C$ 320

Flights to Miamifrom C$ 397

Flights to San Franciscofrom C$ 272

Flights to Honolulufrom C$ 510

Flights to Phoenixfrom C$ 304

Flights to Chicagofrom C$ 269

Flights to Tampafrom C$ 309

Flights to Houstonfrom C$ 409

Cheap flights from Ontario to California from C$ 197

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 27/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Ontario to California

Cheap round-trip flights

Cheap one-way flights

Cheap last-minute flights

Cheap direct flights

Porter Airlines flights from Region of Ontario to California

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

Air Canada flights from Region of Ontario to California

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

momondo Fare Finder

Use the filters below to find and compare flights from Ontario to California that are best for you.

See travel insights to California from

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 from Ontario to California?

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

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

Which 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

Frequently asked questions about flying from Ontario to 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

Popular Cities in California

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

Region of Ontario flight routes

According to popular flight searches on momondo this year

California flight routes

According to popular flight searches on momondo this year

Fly your favourite airline to California

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Complete your trip to California

Explore popular destinations other users love

According to popular flight searches on momondo this year