HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
California

$119+ Cheap flights from Ontario to California

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/20. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — LAX
Dec 23 — Dec 301
Mon 12/23
Mon 12/30
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to California with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Ontario to California

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (CAON) to California (USCA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 18, 2024.

Round-trip from

$182
(Kiwi.com)

One-way from

$119
(Air Canada)
From Ontario to California
Search Deals
One-way flight from Ontario to California
Search Deals

Find flight deals from Ontario to California

Cheapest flights from Ontario to California
Explore the most affordable flight options available from Ontario to California. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2024.

This oojo deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/314:00 pmYYZ - LAS
1 stop23h 29mWestJet
Wed 1/811:35 amLAS - YYZ
1 stop9h 00mWestJet
Deal found 12/17$208
This United Airlines deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3111:00 amYYZ - LAS
1 stop14h 30mUnited Airlines
Tue 1/712:59 amLAS - YYZ
1 stop10h 21mUnited Airlines
Deal found 12/17$212
This Air Canada deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/316:35 pmYYZ - LAS
1 stop6h 55mAir Canada
Tue 1/711:45 pmLAS - YYZ
Nonstop4h 15mAir Canada
Deal found 12/17$253
This oojo deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/312:05 pmYYZ - LAS
Nonstop5h 03mPorter Airlines
Tue 1/75:10 pmLAS - YYZ
Nonstop4h 15mPorter Airlines
Deal found 12/17$272
This Justfly.com deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/301:10 pmYTZ - LAS
1 stop10h 30mPorter Airlines
Sun 1/59:10 amLAS - YTZ
1 stop6h 43mPorter Airlines
Deal found 12/16$302
This Kiwi.com deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3110:00 amYYZ - LAX
2 stops13h 31mMultiple Airlines
Wed 1/86:41 pmLAX - YYZ
1 stop9h 05mMultiple Airlines
Deal found 12/17$308
This American Airlines deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/296:10 amYYZ - LAS
1 stop12h 41mAmerican Airlines
Mon 1/611:31 pmLAS - YYZ
1 stop8h 34mAmerican Airlines
Deal found 12/17$331
This Kiwi.com deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1912:00 pmYYZ - LAX
1 stop10h 01mWestJet
Wed 1/85:40 pmLAX - YYZ
1 stop9h 38mWestJet
Deal found 12/17$341
This Kiwi.com deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/316:30 amYYZ - SFO
2 stops13h 47mMultiple Airlines
Mon 1/133:05 pmSFO - YYZ
1 stop12h 41mMultiple Airlines
Deal found 12/16$363
This Mytrip deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/314:10 pmYTZ - LAS
3 stops23h 19mMultiple Airlines
Fri 1/39:10 amLAS - YTZ
1 stop6h 43mMultiple Airlines
Deal found 12/16$364
This American Airlines deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/292:00 pmYYZ - ONT
1 stop9h 57mAmerican Airlines
Thu 1/911:59 pmONT - YYZ
1 stop13h 16mAmerican Airlines
Deal found 12/17$368
This Kiwi.com deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/318:15 pmYYZ - LAS
2 stops30h 32mMultiple Airlines
Mon 1/67:20 pmLAS - YYZ
1 stop10h 19mMultiple Airlines
Deal found 12/17$369

Find flights from Ontario to California within your budget

Customize your flight search to find flights from Ontario to California that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Fri 1/10

8:00 pm-10:09 pm

Nonstop5h 09m

Las Vegas Harry Reid Intl

Wed 1/22

6:25 pm-6:18 am

1 stop8h 53m

$182

TorontoLas Vegas

YTZ - LAS

YTZLAS

Toronto Island

Sun 1/12

1:50 pm-8:40 pm

1 stop9h 50m

Las Vegas Harry Reid Intl

Tue 1/14

8:50 am-8:05 pm

1 stop8h 15m

$183

MontrealLas Vegas

YUL - LAS

YULLAS

Montreal Pierre Elliott Trudeau Intl

Thu 1/9

5:35 pm-8:25 pm

Nonstop5h 50m

Las Vegas Harry Reid Intl

Sat 1/18

8:50 am-4:35 pm

Nonstop4h 45m

$184

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Wed 1/8

8:00 pm-10:09 pm

Nonstop5h 09m

Las Vegas Harry Reid Intl

Tue 1/14

2:35 pm-9:50 pm

Nonstop4h 15m

$185

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Fri 1/10

7:25 pm-9:28 pm

Nonstop5h 03m

Las Vegas Harry Reid Intl

Tue 1/14

2:35 pm-9:50 pm

Nonstop4h 15m

$188

MontrealLas Vegas

YUL - LAS

YULLAS

Montreal Pierre Elliott Trudeau Intl

Tue 1/28

6:45 am-7:25 pm

2 stops15h 40m

Las Vegas Harry Reid Intl

Wed 2/5

8:40 am-12:39 am

2 stops12h 59m

$190

TorontoLas Vegas

YTZ - LAS

YTZLAS

Toronto Island

Thu 1/9

3:25 pm-9:53 pm

1 stop9h 28m

Las Vegas Harry Reid Intl

Wed 1/15

11:25 pm-11:50 am

1 stop9h 25m

$195

TorontoSan Diego

YYZ - SAN

YYZSAN

Toronto Pearson Intl

Wed 1/15

10:20 am-1:05 pm

Nonstop5h 45m

San Diego

Mon 1/20

2:05 pm-9:50 pm

Nonstop4h 45m

$195

MontrealLas Vegas

YUL - LAS

YULLAS

Montreal Pierre Elliott Trudeau Intl

Thu 1/9

5:35 pm-8:25 pm

Nonstop5h 50m

Las Vegas Harry Reid Intl

Sat 1/18

8:50 am-4:35 pm

Nonstop4h 45m

$199

MontrealLas Vegas

YUL - LAS

YULLAS

Montreal Pierre Elliott Trudeau Intl

Thu 1/9

7:30 am-10:18 am

Nonstop5h 48m

Las Vegas Harry Reid Intl

Sat 1/18

11:25 pm-7:13 am

Nonstop4h 48m

$200

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/18

Showing 1-10 of 60 results
1
2
3
...
6

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
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Ontario to California

Get recent, data-driven insights about flights from Ontario to California including ideal travel times, pricing trends, and more.

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

Currently, September is the cheapest month in which you can book a flight from Region of Ontario to California (average of $240). Flying from Region of Ontario to California in July is currently the most expensive (average of $322). 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?

Find hourly flight availability from Ontario to California. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2024.

When flying from Region of Ontario to California, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Region of Ontario to California

Explore weekly flight availability from Ontario to California. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated December 18, 2024.

The most flights from CAON to USCA are scheduled on a Monday (20 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (17 on average).

Rainfall in California by month

Plan your trip to California by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in California ranges from 0.0 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. July is typically the driest time to visit California when rainfall is around 0.0 in.

Temperature in California by month

Plan your trip to California by taking into account the average temperature totals by month.

If weather is an important factor for your trip to California, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

Reviews of airlines servicing California

Get insights into the airlines that provide service to California. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to California. Reviews last updated December 18, 2024.
See what other customers who have flown with WestJet, Porter Airlines and Lufthansa from Ontario to California have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,604 reviews

Food

7.3

Entertainment

7.9

Crew

8.6

Overall

8.0

Boarding

8.2

Comfort

7.9

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
8,604 reviews
Delta
8.0
Very good
8,604 reviews

Food

7.3

Entertainment

7.9

Crew

8.6

Overall

8.0

Boarding

8.2

Comfort

7.9

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Alaska Airlines
8.0
Very good
9,552 reviews
Delta
8.0
Very good
8,604 reviews

Food

7.3

Entertainment

7.9

Crew

8.6

Overall

8.0

Boarding

8.2

Comfort

7.9

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Porter Airlines
7.9
Good
283 reviews
Delta
8.0
Very good
8,604 reviews

Food

7.3

Entertainment

7.9

Crew

8.6

Overall

8.0

Boarding

8.2

Comfort

7.9

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Air Transat
7.8
Good
389 reviews
Delta
8.0
Very good
8,604 reviews

Food

7.3

Entertainment

7.9

Crew

8.6

Overall

8.0

Boarding

8.2

Comfort

7.9

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Austrian Airlines
7.6
Good
787 reviews
Delta
8.0
Very good
8,604 reviews

Food

7.3

Entertainment

7.9

Crew

8.6

Overall

8.0

Boarding

8.2

Comfort

7.9

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Ontario to California. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    The cheapest airline one-way is Air Canada, with whom users have recently found tickets for as low as $119. However, be on the lookout for offers from Porter Airlines and WestJet, as they are both options that can get you from Region of Ontario to California for a low price.

  • 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, September is the cheapest month in which you can book a flight from Region of Ontario to California (average of $240). Flying from Region of Ontario to California in July is currently the most expensive (average of $322). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to California

See prices for flight routes from nearby airports that may be better suited for you.
Pearson Intl to John F Kennedy Intl flights
Pearson Intl to Newark flights
Toronto Island to Newark flights
Pierre Elliott Trudeau Intl to Fort Lauderdale flights
Pearson Intl to LaGuardia flights
Pearson Intl to Fort Lauderdale flights
Vancouver Intl to Las Vegas flights
Pearson Intl to Miami flights
Pearson Intl to Orlando flights
Pierre Elliott Trudeau Intl to Miami flights
Pierre Elliott Trudeau Intl to Newark flights
Pearson Intl to Las Vegas flights
Vancouver Intl to Los Angeles flights
Vancouver Intl to Honolulu flights
Pearson Intl to Dallas/Fort Worth flights
Pierre Elliott Trudeau Intl to John F Kennedy Intl flights
Vancouver Intl to Newark flights
Pearson Intl to Los Angeles flights
Toronto Island to Fort Lauderdale flights
Pierre Elliott Trudeau Intl to LaGuardia flights
Pearson Intl to O'Hare Intl flights
Toronto Island to Orlando flights
Pierre Elliott Trudeau Intl to Orlando flights
Pearson Intl to San Francisco flights
Vancouver Intl to San Francisco flights
Vancouver Intl to John F Kennedy Intl flights
Pearson Intl to West Palm Beach flights
Pearson Intl to Dulles Intl flights
Pierre Elliott Trudeau Intl to Los Angeles flights
Pearson Intl to Tampa flights
Vancouver Intl to Palm Springs flights
Pearson Intl to Reagan-National flights
Pierre Elliott Trudeau Intl to O'Hare Intl flights
Pearson Intl to Hobby flights
Pierre Elliott Trudeau Intl to Las Vegas flights
Pearson Intl to Sky Harbor Intl flights
Pearson Intl to Nashville flights
Vancouver Intl to Sky Harbor Intl flights
Vancouver Intl to LaGuardia flights
Pearson Intl to George Bush Intcntl flights
Pearson Intl to Fort Myers flights
Québec City to Fort Lauderdale flights
Ottawa to Fort Lauderdale flights
Halifax to Orlando flights
Pearson Intl to Atlanta flights
Vancouver Intl to Orlando flights
Ottawa to Orlando flights
Pearson Intl to Seattle flights
Vancouver Intl to Miami flights

Top 8 airlines flying from Ontario to California

Discover the top 8 airlines that operate flights from Ontario to California. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2024.
AirlineCheapestAverageFlexibilityOn-time
Lynx AirCheapest$115Average$240FlexibilityNo cancel feeOn-timeN/A
Porter AirlinesCheapest$119Average$367FlexibilityNo cancel feeOn-time52%
United AirlinesCheapest$149Average$536FlexibilityNo cancel feeOn-time69%
WestJetCheapest$173Average$434FlexibilityNo cancel feeOn-time60%
DeltaCheapest$177Average$477FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$199Average$486FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$204Average$505FlexibilityNo cancel feeOn-time67%
Air TransatCheapest$210Average$431FlexibilityNo cancel feeOn-time50%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.