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 Ottawa or Toronto, and flying into California, then you can expect flight times to average 8h 41m and 10h 48m, respectively.

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

WestJet, 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 day?

As of November 2026, 33 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 51% of daily flights taking off at noon.

Which 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 45% of people opting to fly with this airline when travelling to California. Keep in mind that there are 9 different airlines that fly to California on a routine basis, so you have a few additional options to choose from.

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

231 flights are operational weekly from Region of Ontario to California as of November 2026. The most popular departure day for this route is Wed, with 18% of flights per week taking off on this day.

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 9 operators available for flights from Ontario to California as of November 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$ 257 Cheap Flights from Ontario to California in 2026/27

Discover deals from 900+ travel sites with momondo.

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.

9:50 a.m. - 12:50 p.m.YYZ Toronto Pearson Intl-SFO San Francisco

6h 00mdirect

1:45 p.m. - 9:42 p.m.SFO San Francisco-YYZ Toronto Pearson Intl

4h 57mdirect

C$ 411Air Transat

Tue, 19 Jan - Tue, 2 Mar

9:50 a.m. - 12:50 p.m.YYZ Toronto Pearson Intl-SFO San Francisco

6h 00mdirect

1:45 p.m. - 9:42 p.m.SFO San Francisco-YYZ Toronto Pearson Intl

4h 57mdirect

C$ 411Air Transat

Thu, 28 Jan - Thu, 11 Mar

6:40 p.m. - 9:30 p.m.YYZ Toronto Pearson Intl-SFO San Francisco

5h 50mdirect

8:00 a.m. - 3:49 p.m.SFO San Francisco-YYZ Toronto Pearson Intl

4h 49mdirect

C$ 414Air Canada

Wed, 2 Dec - Tue, 29 Dec

8:15 a.m. - 11:05 a.m.YYZ Toronto Pearson Intl-SFO San Francisco

5h 50mdirect

4:40 p.m. - 12:29 a.m.SFO San Francisco-YYZ Toronto Pearson Intl

4h 49mdirect

C$ 414Air Canada

Thu, 14 Jan - Wed, 20 Jan

7:30 a.m. - 3:50 p.m.YYZ Toronto Pearson Intl-SFO San Francisco

11h 20m1 stop Calgary

4:40 p.m. - 5:00 a.m.SFO San Francisco-YYZ Toronto Pearson Intl

9h 20m1 stop Calgary

C$ 414WestJet

Fri, 15 Jan - Fri, 22 Jan

7:30 a.m. - 3:50 p.m.YYZ Toronto Pearson Intl-SFO San Francisco

11h 20m1 stop Calgary

4:40 p.m. - 5:00 a.m.SFO San Francisco-YYZ Toronto Pearson Intl

9h 20m1 stop Calgary

C$ 414WestJet

Thu, 14 Jan - Sun, 17 Jan

9:50 a.m. - 12:50 p.m.YYZ Toronto Pearson Intl-SFO San Francisco

6h 00mdirect

1:45 p.m. - 9:42 p.m.SFO San Francisco-YYZ Toronto Pearson Intl

4h 57mdirect

C$ 418Porter Airlines

Thu, 14 Jan - Sun, 17 Jan

9:50 a.m. - 12:50 p.m.YYZ Toronto Pearson Intl-SFO San Francisco

6h 00mdirect

1:45 p.m. - 9:42 p.m.SFO San Francisco-YYZ Toronto Pearson Intl

4h 57mdirect

C$ 422Porter Airlines

Thu, 14 Jan - Sun, 17 Jan

7:30 a.m. - 4:10 p.m.YYZ Toronto Pearson Intl-LAX Los Angeles

11h 40m1 stop Calgary

10:55 p.m. - 6:41 a.m.LAX Los Angeles-YYZ Toronto Pearson Intl

4h 46mdirect

C$ 432Multiple Airlines

Mon, 23 Nov - Tue, 1 Dec

9:55 a.m. - 12:31 p.m.YYZ Toronto Pearson Intl-LAX Los Angeles

5h 36mdirect

5:00 p.m. - 5:00 a.m.LAX Los Angeles-YYZ Toronto Pearson Intl

9h 00m1 stop Calgary

C$ 434Multiple Airlines

Fri, 4 Dec - Sun, 6 Dec

Cheap last-minute flights

Enter your travel dates to find the best prices.

6:45 a.m. - 12:02 p.m.YYZ Toronto Pearson Intl-SJC San Jose

8h 17m1 stop Chicago O'Hare Intl

8:45 a.m. - 9:15 p.m.SJC San Jose-YYZ Toronto Pearson Intl

9h 30m2 stops Denver Intl Chicago O'Hare Intl

C$ 508United Airlines

Tue, 17 Nov - Thu, 26 Nov

6:45 a.m. - 12:02 p.m.YYZ Toronto Pearson Intl-SJC San Jose

8h 17m1 stop Chicago O'Hare Intl

8:45 a.m. - 9:15 p.m.SJC San Jose-YYZ Toronto Pearson Intl

9h 30m2 stops Denver Intl Chicago O'Hare Intl

C$ 508United Airlines

Wed, 18 Nov - Thu, 26 Nov

6:15 a.m. - 11:50 a.m.YYZ Toronto Pearson Intl-SJC San Jose

8h 35m1 stop Atlanta Hartsfield-Jackson

6:11 p.m. - 8:55 a.m.SJC San Jose-YYZ Toronto Pearson Intl

11h 44m2 stops Los Angeles Detroit Metropolitan Wayne County

C$ 516Delta

Wed, 18 Nov - Sun, 22 Nov

6:10 p.m. - 11:54 p.m.YYZ Toronto Pearson Intl-SJC San Jose

8h 44m2 stops Detroit Metropolitan Wayne County Salt Lake City

7:00 a.m. - 9:27 p.m.SJC San Jose-YYZ Toronto Pearson Intl

11h 27m2 stops Los Angeles Minneapolis St Paul

C$ 516Delta

Mon, 16 Nov - Thu, 26 Nov

12:24 p.m. - 10:16 p.m.YYZ Toronto Pearson Intl-SJC San Jose

12h 52m1 stop Atlanta Hartsfield-Jackson

6:34 a.m. - 10:01 p.m.SJC San Jose-YYZ Toronto Pearson Intl

12h 27m1 stop Atlanta Hartsfield-Jackson

C$ 569WestJet

Mon, 16 Nov - Sun, 22 Nov

9:50 a.m. - 12:44 p.m.YYZ Toronto Pearson Intl-SFO San Francisco

5h 54mdirect

1:45 p.m. - 9:42 p.m.SFO San Francisco-YYZ Toronto Pearson Intl

4h 57mdirect

C$ 573Air Transat

Wed, 18 Nov - Fri, 4 Dec

9:50 a.m. - 12:44 p.m.YYZ Toronto Pearson Intl-SFO San Francisco

5h 54mdirect

1:45 p.m. - 9:42 p.m.SFO San Francisco-YYZ Toronto Pearson Intl

4h 57mdirect

C$ 573Air Transat

Wed, 18 Nov - Thu, 3 Dec

9:10 a.m. - 9:20 p.m.YYZ Toronto Pearson Intl-LAX Los Angeles

15h 10m2 stops Winnipeg Calgary

5:00 p.m. - 5:00 a.m.LAX Los Angeles-YYZ Toronto Pearson Intl

9h 00m1 stop Calgary

C$ 605WestJet

Fri, 13 Nov - Tue, 24 Nov

6:10 a.m. - 4:10 p.m.YYZ Toronto Pearson Intl-LAX Los Angeles

13h 00m1 stop Calgary

1:35 p.m. - 9:18 p.m.LAX Los Angeles-YYZ Toronto Pearson Intl

4h 43mdirect

C$ 629Multiple Airlines

Wed, 18 Nov - Wed, 25 Nov

6:10 a.m. - 4:10 p.m.YYZ Toronto Pearson Intl-LAX Los Angeles

13h 00m1 stop Calgary

1:35 p.m. - 9:18 p.m.LAX Los Angeles-YYZ Toronto Pearson Intl

4h 43mdirect

C$ 642Multiple Airlines

Wed, 18 Nov - Thu, 26 Nov

Cheap direct flights

Enter your travel dates to find the best prices.

9:50 a.m. - 12:50 p.m.YYZ Toronto Pearson Intl-SFO San Francisco

6h 00mdirect

1:45 p.m. - 9:42 p.m.SFO San Francisco-YYZ Toronto Pearson Intl

4h 57mdirect

C$ 411Air Transat

Tue, 19 Jan - Tue, 2 Mar

9:50 a.m. - 12:50 p.m.YYZ Toronto Pearson Intl-SFO San Francisco

6h 00mdirect

1:45 p.m. - 9:42 p.m.SFO San Francisco-YYZ Toronto Pearson Intl

4h 57mdirect

C$ 411Air Transat

Thu, 28 Jan - Thu, 11 Mar

6:40 p.m. - 9:30 p.m.YYZ Toronto Pearson Intl-SFO San Francisco

5h 50mdirect

8:00 a.m. - 3:49 p.m.SFO San Francisco-YYZ Toronto Pearson Intl

4h 49mdirect

C$ 414Air Canada

Wed, 2 Dec - Tue, 29 Dec

8:15 a.m. - 11:05 a.m.YYZ Toronto Pearson Intl-SFO San Francisco

5h 50mdirect

4:40 p.m. - 12:29 a.m.SFO San Francisco-YYZ Toronto Pearson Intl

4h 49mdirect

C$ 414Air Canada

Thu, 14 Jan - Wed, 20 Jan

9:50 a.m. - 12:50 p.m.YYZ Toronto Pearson Intl-SFO San Francisco

6h 00mdirect

1:45 p.m. - 9:42 p.m.SFO San Francisco-YYZ Toronto Pearson Intl

4h 57mdirect

C$ 418Porter Airlines

Thu, 14 Jan - Sun, 17 Jan

9:50 a.m. - 12:50 p.m.YYZ Toronto Pearson Intl-SFO San Francisco

6h 00mdirect

1:45 p.m. - 9:42 p.m.SFO San Francisco-YYZ Toronto Pearson Intl

4h 57mdirect

C$ 422Porter Airlines

Thu, 14 Jan - Sun, 17 Jan

9:55 a.m. - 12:31 p.m.YYZ Toronto Pearson Intl-LAX Los Angeles

5h 36mdirect

1:35 p.m. - 9:20 p.m.LAX Los Angeles-YYZ Toronto Pearson Intl

4h 45mdirect

C$ 435Multiple Airlines

Fri, 4 Dec - Fri, 11 Dec

9:55 a.m. - 12:31 p.m.YYZ Toronto Pearson Intl-LAX Los Angeles

5h 36mdirect

1:35 p.m. - 9:20 p.m.LAX Los Angeles-YYZ Toronto Pearson Intl

4h 45mdirect

C$ 437Multiple Airlines

Fri, 4 Dec - Fri, 11 Dec

5:10 p.m. - 8:03 p.m.YYZ Toronto Pearson Intl-SFO San Francisco

5h 53mdirect

8:10 a.m. - 4:08 p.m.SFO San Francisco-YYZ Toronto Pearson Intl

4h 58mdirect

C$ 468United Airlines

Thu, 10 Dec - Tue, 5 Jan

5:10 p.m. - 8:03 p.m.YYZ Toronto Pearson Intl-SFO San Francisco

5h 53mdirect

8:10 a.m. - 4:08 p.m.SFO San Francisco-YYZ Toronto Pearson Intl

4h 58mdirect

C$ 468United Airlines

Tue, 15 Dec - Sat, 9 Jan

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Delta flights from Region of Ontario to California

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

Delta

25 Nov

YYZ6:10 p.m.Toronto Pearson Intl

7h 30m

1 stop

LAX10:40 p.m.Los Angeles

4 Dec

LAX10:05 p.m.Los Angeles

10h 23m

1 stop

YYZ11:28 a.m.Toronto Pearson Intl

C$ 438

Delta

24 Nov

YYZ5:15 p.m.Toronto Pearson Intl

9h 46m

1 stop

SFO12:01 a.m.San Francisco

1 Dec

SFO9:59 p.m.San Francisco

10h 11m

1 stop

YYZ11:10 a.m.Toronto Pearson Intl

C$ 457

Delta

25 Nov

YYZ2:20 p.m.Toronto Pearson Intl

7h 38m

1 stop

LAX6:58 p.m.Los Angeles

29 Nov

LAX11:59 p.m.Los Angeles

8h 10m

1 stop

YYZ11:09 a.m.Toronto Pearson Intl

C$ 481

Air Canada flights from Region of Ontario to California

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

Air Canada

24 Nov

YYZ12:50 p.m.Toronto Pearson Intl

5h 50m

SFO3:40 p.m.San Francisco

1 Dec

SFO8:25 a.m.San Francisco

4h 49m

YYZ4:14 p.m.Toronto Pearson Intl

C$ 421

Air Canada

24 Nov

YYZ7:00 a.m.Toronto Pearson Intl

9h 51m

1 stop

SFO1:51 p.m.San Francisco

1 Dec

SFO8:25 a.m.San Francisco

4h 49m

YYZ4:14 p.m.Toronto Pearson Intl

C$ 428

Air Canada

26 Nov

YYZ1:00 p.m.Toronto Pearson Intl

11h 39m

1 stop

LAX9:39 p.m.Los Angeles

2 Dec

LAX11:30 a.m.Los Angeles

4h 35m

YYZ7:05 p.m.Toronto Pearson Intl

C$ 430

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoSan Francisco

YYZ Toronto Pearson Intl - SFO San Francisco

YYZSFO

Toronto Pearson Intl

Tue 19/1

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

Nonstop6h 00m

San Francisco

Tue 2/3

1:45 p.m.-9:42 p.m.

Nonstop4h 57m

C$ 411

TorontoSan Francisco

YYZ Toronto Pearson Intl - SFO San Francisco

YYZSFO

Toronto Pearson Intl

Thu 28/1

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

Nonstop6h 00m

San Francisco

Thu 11/3

1:45 p.m.-9:42 p.m.

Nonstop4h 57m

C$ 411

Quickest round-trip

TorontoSan Francisco

YYZ Toronto Pearson Intl - SFO San Francisco

YYZSFO

Toronto Pearson Intl

Wed 2/12

6:40 p.m.-9:30 p.m.

Nonstop5h 50m

San Francisco

Tue 29/12

8:00 a.m.-3:49 p.m.

Nonstop4h 49m

C$ 414

TorontoSan Francisco

YYZ Toronto Pearson Intl - SFO San Francisco

YYZSFO

Toronto Pearson Intl

Thu 14/1

8:15 a.m.-11:05 a.m.

Nonstop5h 50m

San Francisco

Wed 20/1

4:40 p.m.-12:29 a.m.

Nonstop4h 49m

C$ 414

TorontoSan Francisco

YYZ Toronto Pearson Intl - SFO San Francisco

YYZSFO

Toronto Pearson Intl

Fri 15/1

7:30 a.m.-3:50 p.m.

1 stop11h 20m

San Francisco

Fri 22/1

4:40 p.m.-5:00 a.m.

1 stop9h 20m

C$ 414

TorontoSan Francisco

YYZ Toronto Pearson Intl - SFO San Francisco

YYZSFO

Toronto Pearson Intl

Thu 14/1

7:30 a.m.-3:50 p.m.

1 stop11h 20m

San Francisco

Sun 17/1

4:40 p.m.-5:00 a.m.

1 stop9h 20m

C$ 414

TorontoSan Francisco

YYZ Toronto Pearson Intl - SFO San Francisco

YYZSFO

Toronto Pearson Intl

Thu 14/1

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

Nonstop6h 00m

San Francisco

Sun 17/1

1:45 p.m.-9:42 p.m.

Nonstop4h 57m

C$ 418

TorontoSan Francisco

YYZ Toronto Pearson Intl - SFO San Francisco

YYZSFO

Toronto Pearson Intl

Thu 14/1

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

Nonstop6h 00m

San Francisco

Sun 17/1

1:45 p.m.-9:42 p.m.

Nonstop4h 57m

C$ 422

TorontoLos Angeles

YYZ Toronto Pearson Intl - LAX Los Angeles

YYZLAX

Toronto Pearson Intl

Mon 23/11

7:30 a.m.-4:10 p.m.

1 stop11h 40m

Los Angeles

Tue 1/12

10:55 p.m.-6:41 a.m.

Nonstop4h 46m

C$ 432

TorontoLos Angeles

YYZ Toronto Pearson Intl - LAX Los Angeles

YYZLAX

Toronto Pearson Intl

Fri 4/12

9:55 a.m.-12:31 p.m.

Nonstop5h 36m

Los Angeles

Sun 6/12

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

1 stop9h 00m

C$ 434

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 January. Flight prices, which tend to average around C$ 523, are often lower during this time because this is during the off-season. If you’re not able to fly to California in January, then April is your next best option. Flight prices from Region of Ontario to California during April average around C$ 549.

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$ 622. 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$ 737. 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 morning. Our users have found flights to California in the morning for as low as C$ 623. Flights to California are more costly in the evening, with an average ticket price of C$ 1,306. Departure times in the evening 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$ 592 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$ 523 on momondo.

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

There are 4 cabin classes available to choose from on Region of 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 2% 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$ 257
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$ 257. The best round-trip flight deal from Region of Ontario to California found on momondo in the last 72 hours is C$ 411.

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 San Diego (SAN), Los Angeles (LAX), Palm Springs (PSP).

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 9 operators available for flights from Ontario to California as of November 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 (42.05% of total bookings). The next most popular plane models are Airbus A321-100/200 (27.73%), Airbus A320-100/200 (7.63%), and Boeing 787-8 Dreamliner (5.09%).

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
WestJet	PriceFrom C$ 158	Free Cancellation	Rating 7.2 3,435 reviews	Search WestJet flights
United Airlines	PriceFrom C$ 220	Free Cancellation	Rating 7.3 10,487 reviews	Search United Airlines flights
Air Canada	PriceFrom C$ 231	Free Cancellation	Rating 7.1 11,894 reviews	Search Air Canada flights
Delta	PriceFrom C$ 245	Free Cancellation	Rating 7.8 8,719 reviews	Search Delta flights
Porter Airlines	PriceFrom C$ 290	Free Cancellation	Rating 8.0 468 reviews	Search Porter Airlines flights
Alaska Airlines	PriceFrom C$ 299	Free Cancellation	Rating 7.9 13,158 reviews	Search Alaska Airlines flights
American Airlines	PriceFrom C$ 311	Free Cancellation	Rating 7.0 12,234 reviews	Search American Airlines flights
Air Transat	PriceFrom C$ 328	Free Cancellation	Rating 7.7 585 reviews	Search Air Transat flights
Jazz	PriceFrom C$ 983	Free Cancellation	Rating 0.0 0 reviews	Search Jazz 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.

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Popular cities

Other flights from Ontario

Other flights to California

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Complete your trip

Feeling lucky

Popular Cities in California

Flights to Fort Lauderdalefrom C$ 164

Flights to Orlandofrom C$ 233

Flights to New Yorkfrom C$ 242

Flights to Los Angelesfrom C$ 213

Flights to Las Vegasfrom C$ 256

Flights to Miamifrom C$ 348

Flights to San Franciscofrom C$ 283

Flights to Honolulufrom C$ 400

Flights to Tampafrom C$ 226

Flights to Chicagofrom C$ 341

Flights to Phoenixfrom C$ 159

Flights to Houstonfrom C$ 316

Cheap flights from Ontario to California from C$ 257

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 15/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Ontario to California

Cheap round-trip flights

Cheap one-way flights

Cheap last-minute flights

Cheap direct flights

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

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Price Alerts

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Delta flights from Region of Ontario to California

Our best Delta 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?

What cabin class options are available on Region of 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?

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

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