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

The flight from California to Region of Ontario depends on which airports you’re departing from and arriving to, and whether or not you have a layover. If you fly from Los Angeles (a popular airport in California) to Toronto Pearson Intl Airport (the most popular airport in Region of Ontario), then the flight time is 4h 40m on average. If you fly from San Diego (another popular airport in California) to Toronto Pearson Intl Airport, then the average flight time is 4h 50m.

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

The number of flights available between California and Region of Ontario is 309 per week as of March 2026. The most frequent departure day is Sun, with 20% of weekly flights leaving on this day.

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

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

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

The number of flights available between California and Region of Ontario is 44 per day as of March 2026. The most frequent departure time is 11:00a.m., with 43% of daily flights leaving at noon.

Which airlines fly to Region of Ontario?

Porter Airlines, Air Canada and WestJet are the top three most popular airlines that fly to Region of Ontario from California according to our data. Porter Airlines is the first choice among our users, with 44% of people opting to fly with this airline when travelling 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.

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?

The number of operators available for flights from California to Ontario is 6 as of March 2026.

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.

C$ 121 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

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:30 a.m. - 11:59 p.m.

LAS

YYZ

12h 29m

2 stops

10:00 a.m. - 5:15 p.m.

YYZ

LAS

10h 15m

1 stop

C$ 288WestJet

Sat, 16 May - Mon, 18 May

6:10 p.m. - 5:45 a.m.

LAS

YYZ

8h 35m

1 stop

7:00 a.m. - 3:45 p.m.

YYZ

LAS

11h 45m

2 stops

C$ 295WestJet

Wed, 29 Apr - Wed, 6 May

8:30 a.m. - 8:05 p.m.

LAS

YYZ

8h 35m

1 stop

7:00 a.m. - 4:35 p.m.

YYZ

LAS

12h 35m

2 stops

C$ 296WestJet

Fri, 15 May - Sun, 24 May

10:05 a.m. - 11:59 p.m.

LAS

YYZ

10h 54m

1 stop

12:40 p.m. - 9:40 p.m.

YYZ

LAS

12h 00m

2 stops

C$ 297WestJet

Thu, 7 May - Sun, 10 May

9:04 p.m. - 12:14 a.m.

LAX

YYZ

24h 10m

1 stop

9:35 a.m. - 4:15 p.m.

YYZ

LAX

9h 40m

1 stop

C$ 401Multiple Airlines

Tue, 21 Apr - Tue, 28 Apr

4:55 p.m. - 9:54 a.m.

SAN

YUL

13h 59m

2 stops

5:45 p.m. - 8:43 p.m.

YUL

SAN

5h 58mdirect

C$ 407Air Canada

Sat, 2 May - Fri, 8 May

7:00 a.m. - 3:31 p.m.

SAN

YUL

5h 31mdirect

5:45 p.m. - 8:43 p.m.

YUL

SAN

5h 58mdirect

C$ 408Air Canada

Sat, 2 May - Fri, 8 May

4:17 p.m. - 7:24 p.m.

SAN

YYZ

24h 07m

1 stop

10:50 a.m. - 9:12 p.m.

YYZ

SAN

13h 22m

2 stops

C$ 411Multiple Airlines

Tue, 12 May - Tue, 19 May

1:20 p.m. - 9:25 p.m.

SFO

YYZ

5h 05mdirect

9:45 a.m. - 12:23 p.m.

YYZ

SFO

5h 38mdirect

C$ 453Porter Airlines

Tue, 12 May - Tue, 19 May

5:00 a.m. - 3:14 p.m.

ONT

YYZ

7h 14m

1 stop

5:15 p.m. - 10:51 p.m.

YYZ

ONT

8h 36m

1 stop

C$ 572United Airlines

Wed, 29 Jul - Wed, 29 Jul

Air Canada flights from California to Region of Ontario

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

Air Canada

16 Jun

LAS6:00 p.m.Las Vegas Harry Reid Intl

16h 53m

1 stop

YYZ1:53 p.m.Toronto Pearson Intl

18 Jun

YYZ8:35 p.m.Toronto Pearson Intl

4h 49m

LAS10:24 p.m.Las Vegas Harry Reid Intl

C$ 390

Air Canada

2 May

SAN4:55 p.m.San Diego

13h 59m

2 stops

YUL9:54 a.m.Montreal Pierre Elliott Trudeau Intl

8 May

YUL5:45 p.m.Montreal Pierre Elliott Trudeau Intl

5h 58m

SAN8:43 p.m.San Diego

C$ 407

Air Canada

2 May

SAN7:00 a.m.San Diego

5h 31m

YUL3:31 p.m.Montreal Pierre Elliott Trudeau Intl

8 May

YUL5:45 p.m.Montreal Pierre Elliott Trudeau Intl

5h 58m

SAN8:43 p.m.San Diego

C$ 408

American Airlines flights from California to Region of Ontario

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

American Airlines

31 Mar

LAS11:59 p.m.Las Vegas Harry Reid Intl

9h 31m

1 stop

YYZ12:30 p.m.Toronto Pearson Intl

7 Apr

YYZ1:15 p.m.Toronto Pearson Intl

9h 33m

1 stop

LAS7:48 p.m.Las Vegas Harry Reid Intl

C$ 428

American Airlines

1 Apr

LAS11:59 p.m.Las Vegas Harry Reid Intl

7h 57m

1 stop

YYZ10:56 a.m.Toronto Pearson Intl

4 Apr

YYZ2:00 p.m.Toronto Pearson Intl

10h 09m

1 stop

LAS9:09 p.m.Las Vegas Harry Reid Intl

C$ 439

American Airlines

3 Apr

LAS6:30 a.m.Las Vegas Harry Reid Intl

6h 49m

1 stop

YYZ4:19 p.m.Toronto Pearson Intl

5 Apr

YYZ5:15 p.m.Toronto Pearson Intl

8h 41m

1 stop

LAS10:56 p.m.Las Vegas Harry Reid Intl

C$ 445

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Las VegasToronto

LAS - YYZ

LASYYZ

Las Vegas Harry Reid Intl

Sat 16/5

8:30 a.m.-11:59 p.m.

2 stops12h 29m

Toronto Pearson Intl

Mon 18/5

10:00 a.m.-5:15 p.m.

1 stop10h 15m

C$ 288

Las VegasToronto

LAS - YYZ

LASYYZ

Las Vegas Harry Reid Intl

Wed 29/4

6:10 p.m.-5:45 a.m.

1 stop8h 35m

Toronto Pearson Intl

Wed 6/5

7:00 a.m.-3:45 p.m.

2 stops11h 45m

C$ 295

Las VegasToronto

LAS - YYZ

LASYYZ

Las Vegas Harry Reid Intl

Fri 15/5

8:30 a.m.-8:05 p.m.

1 stop8h 35m

Toronto Pearson Intl

Sun 24/5

7:00 a.m.-4:35 p.m.

2 stops12h 35m

C$ 296

Las VegasToronto

LAS - YYZ

LASYYZ

Las Vegas Harry Reid Intl

Thu 7/5

10:05 a.m.-11:59 p.m.

1 stop10h 54m

Toronto Pearson Intl

Sun 10/5

12:40 p.m.-9:40 p.m.

2 stops12h 00m

C$ 297

Los AngelesToronto

LAX - YYZ

LAXYYZ

Los Angeles Los Angeles

Tue 21/4

9:04 p.m.-12:14 a.m.

1 stop24h 10m

Toronto Pearson Intl

Tue 28/4

9:35 a.m.-4:15 p.m.

1 stop9h 40m

C$ 401

San DiegoMontreal

SAN - YUL

SANYUL

San Diego

Sat 2/5

4:55 p.m.-9:54 a.m.

2 stops13h 59m

Montreal Pierre Elliott Trudeau Intl

Fri 8/5

5:45 p.m.-8:43 p.m.

Nonstop5h 58m

C$ 407

San DiegoMontreal

SAN - YUL

SANYUL

San Diego

Sat 2/5

7:00 a.m.-3:31 p.m.

Nonstop5h 31m

Montreal Pierre Elliott Trudeau Intl

Fri 8/5

5:45 p.m.-8:43 p.m.

Nonstop5h 58m

C$ 408

San DiegoToronto

SAN - YYZ

SANYYZ

San Diego

Tue 12/5

4:17 p.m.-7:24 p.m.

1 stop24h 07m

Toronto Pearson Intl

Tue 19/5

10:50 a.m.-9:12 p.m.

2 stops13h 22m

C$ 411

Quickest round-trip

San FranciscoToronto

SFO - YYZ

SFOYYZ

San Francisco

Tue 12/5

1:20 p.m.-9:25 p.m.

Nonstop5h 05m

Toronto Pearson Intl

Tue 19/5

9:45 a.m.-12:23 p.m.

Nonstop5h 38m

C$ 453

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

Wed 29/7

5:00 a.m.-3:14 p.m.

1 stop7h 14m

Toronto Pearson Intl

Wed 29/7

5:15 p.m.-10:51 p.m.

1 stop8h 36m

C$ 572

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?

In general, June 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$ 397. If you are unable to visit Region of Ontario during the month of June, then departing from California during the month May is also very affordable. Most momondo users find prices during this month for around C$ 400.

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 Saturday. Travellers who choose to depart for Region of Ontario on a Saturday will often find tickets for as low as C$ 382. The most expensive day to fly to Region of Ontario is Sunday, with ticket prices averaging around C$ 583.

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$ 237. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are C$ 551 on average. Flights to Region of Ontario from California in the morning 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 San Francisco 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$ 488 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$ 260 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 18% 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$ 242
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 C$ 242. The best round-trip flight deal from California to Region of Ontario found on momondo in the last 72 hours is C$ 318.

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 refresh 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 6 as of March 2026.
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?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from California to Region of Ontario is Embraer 195 E2 (43.07% of total bookings). The next most popular plane models are Airbus A220-300 (13.94%), Airbus A321-100/200 (13.03%), and Boeing 737 MAX 8 (11.46%).

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 Airlines	PriceFrom C$ 147	Free Cancellation	Rating 8.0 430 reviews	Search Porter Airlines flights
Air Canada	PriceFrom C$ 170	Free Cancellation	Rating 7.1 10,857 reviews	Search Air Canada flights
Air Transat	PriceFrom C$ 177	Free Cancellation	Rating 7.7 528 reviews	Search Air Transat flights
American Airlines	PriceFrom C$ 184	Free Cancellation	Rating 7.1 11,522 reviews	Search American Airlines flights
WestJet	PriceFrom C$ 191	Free Cancellation	Rating 7.2 3,305 reviews	Search WestJet flights
United Airlines	PriceFrom C$ 205	Free Cancellation	Rating 7.4 9,510 reviews	Search United Airlines flights
Delta	PriceFrom C$ 225	Free Cancellation	Rating 7.9 8,359 reviews	Search Delta 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

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Popular Cities in Ontario

Flights to Torontofrom C$ 149

Flights to Vancouverfrom C$ 85

Flights to Montrealfrom C$ 254

Flights to Calgaryfrom C$ 121

Flights to Ottawafrom C$ 264

Flights to Winnipegfrom C$ 110

Flights to Halifaxfrom C$ 164

Flights to Kelownafrom C$ 140

Flights to Saskatoonfrom C$ 232

Flights to Reginafrom C$ 239

Flights to St. John'sfrom C$ 258

Flights to Québec Cityfrom C$ 313

Cheap flights from California to Ontario from C$ 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 California to Ontario departing on 16/5. 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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Big names, great deals

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Air Canada flights from California to Region of Ontario

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

American Airlines flights from California to Region of Ontario

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

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See travel insights to Ontario from

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?

Which 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?

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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