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Cheap flights from Ontario to California from C$ 226

YYZ — LAX
21 Nov — 28 Nov1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to California

Enter your travel dates to find the best prices.

Cheapest flights from Ontario to California

Fri 6/116:40 p.m. -
Nonstop5h 50m
Mon 16/1112:00 p.m. -
Nonstop4h 55m
Deal found 21/10C$ 413
Mon 9/119:50 a.m. -
Nonstop5h 54m
Mon 16/111:45 p.m. -
Nonstop4h 58m
Deal found 20/10C$ 416
Thu 12/115:15 p.m. -
2 stops18h 37m
Tue 17/115:42 p.m. -
1 stop19h 23m
Deal found 21/10C$ 419
Wed 11/119:50 a.m. -
Nonstop5h 54m
Fri 13/111:45 p.m. -
Nonstop4h 58m
Deal found 20/10C$ 420
Tue 3/119:50 a.m. -
Nonstop5h 54m
Thu 12/111:45 p.m. -
Nonstop4h 58m
Deal found 19/10C$ 422
Fri 13/119:50 a.m. -
Nonstop5h 54m
Mon 16/111:45 p.m. -
Nonstop4h 58m
Deal found 20/10C$ 423
Wed 11/112:01 p.m. -
1 stop8h 22m
Mon 16/1111:39 p.m. -
1 stop9h 53m
Deal found 21/10C$ 424
Fri 13/115:15 p.m. -
2 stops23h 31m
Mon 16/115:00 p.m. -
2 stops20h 05m
Deal found 21/10C$ 426
Wed 4/119:50 a.m. -
Nonstop5h 54m
Tue 10/111:45 p.m. -
Nonstop4h 58m
Deal found 21/10C$ 427
Sat 21/119:50 a.m. -
Nonstop5h 54m
Sat 5/121:45 p.m. -
Nonstop4h 57m
Deal found 21/10C$ 429
Thu 12/1111:00 a.m. -
1 stop13h 33m
Wed 18/116:30 a.m. -
1 stop10h 27m
Deal found 21/10C$ 430
Sat 5/121:00 p.m. -
1 stop11h 39m
Sat 12/127:40 a.m. -
Nonstop4h 46m
Deal found 21/10C$ 446

Find flight deals from Ontario to California

Round-trip from

C$ 413

One-way from

C$ 226

Popular in

August

Cheapest in

January

Average price

C$ 599

Good round-trip deal

C$ 525 or less

Good one-way deal

C$ 301 or less
Air Canada
  • Air Canada
  • 6/11-16/11
  • Nonstop
  • 10h 45m total
  • Ontario to California
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5/12-31/12
  • 5/12-31/12
  • 1 total stop
  • 11h 26m total
  • Ontario to California
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Highest demand for flights based on searches. 6% potential increase in price (C$ 60 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease (C$ 14 potential savings vs. average RT price).
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Average for round-trip flights in October 2026
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Price to beat on a round-trip flight from Ontario to California.
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Price to beat on a one-way flight from Ontario to California.
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Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoSan Francisco

YYZ Toronto Pearson Intl - SFO San Francisco

YYZSFO

Toronto Pearson Intl

Fri 27/11

6:30 a.m.-9:29 a.m.

Nonstop5h 59m

San Francisco

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 271

TorontoSan Francisco

YYZ Toronto Pearson Intl - SFO San Francisco

YYZSFO

Toronto Pearson Intl

Tue 13/4

8:35 a.m.-7:13 p.m.

1 stop13h 38m

San Francisco

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 284

TorontoSan Jose

YYZ Toronto Pearson Intl - SJC San Jose

YYZSJC

Toronto Pearson Intl

Wed 11/11

6:45 a.m.-12:02 p.m.

1 stop8h 17m

San Jose

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 285

TorontoSan Jose

YYZ Toronto Pearson Intl - SJC San Jose

YYZSJC

Toronto Pearson Intl

Thu 12/11

6:45 a.m.-12:02 p.m.

1 stop8h 17m

San Jose

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 285

OttawaLos Angeles

YOW Ottawa - LAX Los Angeles

YOWLAX

Ottawa

Wed 25/11

6:15 a.m.-11:29 a.m.

1 stop8h 14m

Los Angeles

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 285

TorontoSan Francisco

YYZ Toronto Pearson Intl - SFO San Francisco

YYZSFO

Toronto Pearson Intl

Fri 18/12

6:30 a.m.-9:35 a.m.

Nonstop6h 05m

San Francisco

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 287

OttawaLos Angeles

YOW Ottawa - LAX Los Angeles

YOWLAX

Ottawa

Sat 16/1

7:00 a.m.-12:34 p.m.

1 stop8h 34m

Los Angeles

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 288

TorontoSan Jose

YYZ Toronto Pearson Intl - SJC San Jose

YYZSJC

Toronto Pearson Intl

Tue 1/12

5:15 p.m.-10:58 a.m.

1 stop20h 43m

San Jose

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 290

TorontoSan Jose

YYZ Toronto Pearson Intl - SJC San Jose

YYZSJC

Toronto Pearson Intl

Wed 2/12

5:15 p.m.-10:58 a.m.

1 stop20h 43m

San Jose

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 290

TorontoSan Jose

YYZ Toronto Pearson Intl - SJC San Jose

YYZSJC

Toronto Pearson Intl

Mon 2/11

9:40 a.m.-6:20 p.m.

2 stops11h 40m

San Jose

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 291

Flights are sorted by cheapest round-trip flights first.

Deals found on 18/10

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Ontario to California

Have a flexible travel schedule? Discover the best time to fly to California from Ontario with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Ontario to California

What is the cheapest month to book a flight from Region of Ontario to California?

Currently, January is the cheapest month in which you can book a flight from Region of Ontario to California (average of C$ 510). Flying from Region of Ontario to California in August is currently the most expensive (average of C$ 700). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ON to CA?

It’s optimal to fly from Region of Ontario to California in the morning. By choosing this option you can save up to 48% on the cost of your flight, compared to a flight in the evening.

How much does it cost to fly round-trip from Region of Ontario to California?

Airfare is below average for this route at the moment.
Region of Ontario to California flights typically cost between C$ 473 and C$ 713 in November.
The cheapest round-trip price found within the last 5 days was C$ 443 on Air Canada (15 Nov-29 Nov).

How far ahead should I book a flight from Region of Ontario to California?

To ensure you get the cheapest price possible for a flight from Region of Ontario to California, you should look to book at least 54 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest day to fly from Region of Ontario to California?

Travelers seeking maximum savings on their Region of Ontario to California flight should consider departing on Sunday evenings when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing California

Check out reviews from past customers who have flown with Porter Airlines,Air Transat, andUnited Airlines from Ontario to California to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
467 reviews
Check prices

Boarding

8.2

Comfort

8.0

Food

7.6

Entertainment

6.9

Crew

8.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

D,Sep 2026

YHM - YVR

The flight including check-in, checked baggage, boarding, flight and timing were great. My checked bag was delayed two days which was concerning. They did deliver it to my door though which was great.
Porter Airlines
8.0
Very good
467 reviews
Porter Airlines
8.0
Very good
467 reviews
Check prices

Boarding

8.2

Comfort

8.0

Food

7.6

Entertainment

6.9

Crew

8.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

D,Sep 2026

YHM - YVR

The flight including check-in, checked baggage, boarding, flight and timing were great. My checked bag was delayed two days which was concerning. They did deliver it to my door though which was great.
Air Transat
7.7
Good
583 reviews
Porter Airlines
8.0
Very good
467 reviews
Check prices

Boarding

8.2

Comfort

8.0

Food

7.6

Entertainment

6.9

Crew

8.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

D,Sep 2026

YHM - YVR

The flight including check-in, checked baggage, boarding, flight and timing were great. My checked bag was delayed two days which was concerning. They did deliver it to my door though which was great.
United Airlines
7.3
Good
10,404 reviews
Porter Airlines
8.0
Very good
467 reviews
Check prices

Boarding

8.2

Comfort

8.0

Food

7.6

Entertainment

6.9

Crew

8.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

D,Sep 2026

YHM - YVR

The flight including check-in, checked baggage, boarding, flight and timing were great. My checked bag was delayed two days which was concerning. They did deliver it to my door though which was great.
WestJet
7.2
Good
3,446 reviews
Porter Airlines
8.0
Very good
467 reviews
Check prices

Boarding

8.2

Comfort

8.0

Food

7.6

Entertainment

6.9

Crew

8.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

D,Sep 2026

YHM - YVR

The flight including check-in, checked baggage, boarding, flight and timing were great. My checked bag was delayed two days which was concerning. They did deliver it to my door though which was great.
Air Canada
7.1
Good
11,794 reviews
Porter Airlines
8.0
Very good
467 reviews
Check prices

Boarding

8.2

Comfort

8.0

Food

7.6

Entertainment

6.9

Crew

8.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

D,Sep 2026

YHM - YVR

The flight including check-in, checked baggage, boarding, flight and timing were great. My checked bag was delayed two days which was concerning. They did deliver it to my door though which was great.

Related info for your journey

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

    Delta, United Airlines, and Porter Airlines can get you from Region of Ontario to California in just under 5h 59m. Your travel time can differ by up to 5h 27m. The distance between Region of Ontario and California is about 3626 km. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Region of Ontario to California one-way?

    For one-way options, check prices for WestJet. According to our data, you can fly for as low as C$ 150. Users have also found prices from C$ 184 and C$ 210 on Porter Airlines and Air Transat, respectively.

  • Can I find deals for flights from Ontario to California that include hotel bookings?

    Yes. In addition to deals on Ontario to California flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to California?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to California.

  • Can I find deals for business class flights from Ontario to California?

    Yes. Cheapflights offers flight deals from Ontario to California by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Region of Ontario to California?

    Currently, January is the cheapest month in which you can book a flight from Region of Ontario to California (average of C$ 510). Flying from Region of Ontario to California in August is currently the most expensive (average of C$ 700). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Ontario to California

Toronto Island to Newark flights
Pearson Intl to Newark flights
Pierre Elliott Trudeau Intl to Fort Lauderdale flights
Pearson Intl to John F Kennedy Intl flights
Pearson Intl to LaGuardia flights
Pierre Elliott Trudeau Intl to Newark flights
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Pearson Intl to Orlando flights
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Pearson Intl to Los Angeles flights
Pierre Elliott Trudeau Intl to John F Kennedy Intl flights
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Toronto Island to John F Kennedy Intl flights
Toronto Island to Fort Lauderdale flights
Hamilton to Newark flights
Calgary to Honolulu flights
Pearson Intl to Dallas/Fort Worth flights
Pearson Intl to O'Hare Intl flights
Pearson Intl to Las Vegas flights
Toronto Island to Orlando flights
Pierre Elliott Trudeau Intl to Orlando flights
Pearson Intl to Tampa flights
Vancouver Intl to John F Kennedy Intl flights
Pearson Intl to Hobby flights
Pearson Intl to Reagan-National flights
Pearson Intl to Honolulu flights
Toronto Island to Miami flights
Pearson Intl to Dulles Intl flights
Pierre Elliott Trudeau Intl to Los Angeles flights
Calgary to Las Vegas flights
Pierre Elliott Trudeau Intl to Honolulu flights
Pearson Intl to Boston flights
Pearson Intl to George Bush Intcntl flights
Ottawa to Fort Lauderdale flights
Toronto Island to Boston flights
Vancouver Intl to San Diego flights
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Pearson Intl to San Francisco flights
Vancouver Intl to Palm Springs flights
Vancouver Intl to Ontario flights
Pearson Intl to Sky Harbor Intl flights
Vancouver Intl to LaGuardia flights
Pearson Intl to Fort Myers flights

Top 9 airlines flying from Ontario to California

AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 156AverageC$ 551FlexibilityNo cancel feeOn-time60%
Search WestJet flights
United AirlinesCheapestC$ 218AverageC$ 730FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 228AverageC$ 725FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
DeltaCheapestC$ 242AverageC$ 602FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Porter AirlinesCheapestC$ 287AverageC$ 562FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Alaska AirlinesCheapestC$ 296AverageC$ 404FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
American AirlinesCheapestC$ 308AverageC$ 645FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air TransatCheapestC$ 324AverageC$ 619FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
JazzCheapestC$ 971AverageC$ 1,008FlexibilityNo cancel feeOn-timeN/A
Search Jazz flights

Fly with Cheapflights

How does Cheapflights help users find flights from Ontario to California?

Cheapflights makes it easy to find Ontario to California flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Ontario to California?

Cheapflights simply makes it quick and affordable to book flights from Ontario to California by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Ontario to California with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Ontario to California, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Ontario to California become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to California from Ontario today and book when prices fit your budget.

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