Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Ontario to California from C$ 170

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 18/2. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — LAX
23 Dec — 30 Dec1
1 adult

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 18 December 2024.

Round-trip from

C$ 260

One-way from

C$ 170
WestJet
  • WestJet
  • 12/1-23/1
  • 3 total stops
  • 23h 17m total
  • Ontario to California
Search Deals
Air Canada
  • Air Canada
  • 1/2
  • 1 total stop
  • 8h 53m total
  • 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 18 December 2024.

Tue 31/124:00 p.m.YYZ - LAS
1 stop23h 29mWestJet
Wed 8/111:35 a.m.LAS - YYZ
1 stop9h 00mWestJet
Deal found 17/12C$ 297
Tue 31/1211:00 a.m.YYZ - LAS
1 stop14h 30mUnited Airlines
Tue 7/112:59 a.m.LAS - YYZ
1 stop10h 21mUnited Airlines
Deal found 17/12C$ 303
Tue 31/126:35 p.m.YYZ - LAS
1 stop6h 55mAir Canada
Tue 7/111:45 p.m.LAS - YYZ
Nonstop4h 15mAir Canada
Deal found 17/12C$ 361
Tue 31/122:05 p.m.YYZ - LAS
Nonstop5h 03mPorter Airlines
Tue 7/15:10 p.m.LAS - YYZ
Nonstop4h 15mPorter Airlines
Deal found 17/12C$ 388
Mon 30/121:10 p.m.YTZ - LAS
1 stop10h 30mPorter Airlines
Sun 5/19:10 a.m.LAS - YTZ
1 stop6h 43mPorter Airlines
Deal found 16/12C$ 431
Tue 31/1210:00 a.m.YYZ - LAX
2 stops13h 31mMultiple Airlines
Wed 8/16:41 p.m.LAX - YYZ
1 stop9h 05mMultiple Airlines
Deal found 17/12C$ 440
Sun 29/126:10 a.m.YYZ - LAS
1 stop12h 41mAmerican Airlines
Mon 6/111:31 p.m.LAS - YYZ
1 stop8h 34mAmerican Airlines
Deal found 17/12C$ 473
Thu 19/1212:00 p.m.YYZ - LAX
1 stop10h 01mWestJet
Wed 8/15:40 p.m.LAX - YYZ
1 stop9h 38mWestJet
Deal found 17/12C$ 487
Tue 31/126:30 a.m.YYZ - SFO
2 stops13h 47mMultiple Airlines
Mon 13/13:05 p.m.SFO - YYZ
1 stop12h 41mMultiple Airlines
Deal found 16/12C$ 518
Tue 31/1210:00 a.m.YYZ - LAS
1 stop13h 51mMultiple Airlines
Fri 3/19:10 a.m.LAS - YYZ
1 stop19h 10mMultiple Airlines
Deal found 17/12C$ 518
Tue 31/124:10 p.m.YTZ - LAS
3 stops23h 19mMultiple Airlines
Fri 3/19:10 a.m.LAS - YTZ
1 stop6h 43mMultiple Airlines
Deal found 16/12C$ 520
Sun 29/122:00 p.m.YYZ - ONT
1 stop9h 57mAmerican Airlines
Thu 9/111:59 p.m.ONT - YYZ
1 stop13h 16mAmerican Airlines
Deal found 17/12C$ 526

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 629,999 searches. Data last updated 18 December 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Sun 12/1

9:00 a.m.-8:17 p.m.

2 stops14h 17m

Las Vegas Harry Reid Intl

Thu 23/1

11:35 a.m.-11:35 p.m.

1 stop9h 00m

C$ 260

TorontoLas Vegas

YTZ - LAS

YTZLAS

Toronto Island

Wed 8/1

4:10 p.m.-8:40 p.m.

1 stop7h 30m

Las Vegas Harry Reid Intl

Sun 12/1

9:10 a.m.-6:53 p.m.

1 stop6h 43m

C$ 261

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Wed 8/1

8:00 p.m.-10:09 p.m.

Nonstop5h 09m

Las Vegas Harry Reid Intl

Tue 14/1

2:35 p.m.-9:50 p.m.

Nonstop4h 15m

C$ 264

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Sun 5/1

9:00 p.m.-11:03 p.m.

Nonstop5h 03m

Las Vegas Harry Reid Intl

Thu 9/1

8:50 a.m.-9:41 p.m.

1 stop9h 51m

C$ 269

MontrealLas Vegas

YUL - LAS

YULLAS

Montreal Pierre Elliott Trudeau Intl

Thu 9/1

5:35 p.m.-8:25 p.m.

Nonstop5h 50m

Las Vegas Harry Reid Intl

Sat 18/1

2:35 p.m.-12:30 a.m.

1 stop6h 55m

C$ 270

MontrealLas Vegas

YUL - LAS

YULLAS

Montreal Pierre Elliott Trudeau Intl

Tue 28/1

6:45 a.m.-7:25 p.m.

2 stops15h 40m

Las Vegas Harry Reid Intl

Wed 5/2

8:40 a.m.-12:39 a.m.

2 stops12h 59m

C$ 271

TorontoLas Vegas

YTZ - LAS

YTZLAS

Toronto Island

Thu 9/1

3:25 p.m.-9:53 p.m.

1 stop9h 28m

Las Vegas Harry Reid Intl

Wed 15/1

11:25 p.m.-11:50 a.m.

1 stop9h 25m

C$ 279

TorontoSan Diego

YYZ - SAN

YYZSAN

Toronto Pearson Intl

Wed 15/1

10:20 a.m.-1:05 p.m.

Nonstop5h 45m

San Diego

Mon 20/1

2:05 p.m.-9:50 p.m.

Nonstop4h 45m

C$ 279

MontrealLas Vegas

YUL - LAS

YULLAS

Montreal Pierre Elliott Trudeau Intl

Thu 9/1

5:35 p.m.-8:25 p.m.

Nonstop5h 50m

Las Vegas Harry Reid Intl

Sat 18/1

8:50 a.m.-4:35 p.m.

Nonstop4h 45m

C$ 284

MontrealLas Vegas

YUL - LAS

YULLAS

Montreal Pierre Elliott Trudeau Intl

Thu 9/1

7:30 a.m.-10:18 a.m.

Nonstop5h 48m

Las Vegas Harry Reid Intl

Sat 18/1

11:25 p.m.-7:13 a.m.

Nonstop4h 48m

C$ 286

Flights are sorted by cheapest round-trip flights first.

Deals found on 18/12

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 C$ 234). Flying from Region of Ontario to California in July is currently the most expensive (average of C$ 314). 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 18 December 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 18 December 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 - 87.0 mm per month. February is typically the wettest month, when rainfall can reach 87.0 mm. July is typically the driest time to visit California when rainfall is around 0.0 mm.

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 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 14.0 C).

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 18 December 2024.
Get a feel of what it's like to fly with WestJet, Porter Airlines and American Airlines from Ontario to California by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,604 reviews
Check prices

Entertainment

7.9

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.6

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
Check prices

Entertainment

7.9

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.6

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
9,554 reviews
Delta
8.0
Very good
8,604 reviews
Check prices

Entertainment

7.9

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.6

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
Check prices

Entertainment

7.9

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.6

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
Check prices

Entertainment

7.9

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.6

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
Check prices

Entertainment

7.9

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.6

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?

    For one-way options, check prices for Air Canada. According to our data, you can fly for as low as C$ 170. Users have also found prices from C$ 171 and C$ 177 on Porter Airlines and WestJet, 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, September is the cheapest month in which you can book a flight from Region of Ontario to California (average of C$ 234). Flying from Region of Ontario to California in July is currently the most expensive (average of C$ 314). 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.
Pierre Elliott Trudeau Intl to Fort Lauderdale flights
Pearson Intl to Fort Lauderdale flights
Pearson Intl to John F Kennedy Intl flights
Pearson Intl to Newark flights
Toronto Island to Newark flights
Pearson Intl to LaGuardia flights
Pearson Intl to Miami flights
Pierre Elliott Trudeau Intl to Miami flights
Vancouver Intl to Las Vegas flights
Pearson Intl to Las Vegas flights
Pearson Intl to Orlando flights
Vancouver Intl to Honolulu flights
Pierre Elliott Trudeau Intl to Newark flights
Vancouver Intl to Los Angeles flights
Vancouver Intl to Newark flights
Pierre Elliott Trudeau Intl to LaGuardia flights
Pearson Intl to Los Angeles flights
Toronto Island to Fort Lauderdale flights
Pierre Elliott Trudeau Intl to Orlando flights
Pierre Elliott Trudeau Intl to John F Kennedy Intl flights
Pearson Intl to Dallas/Fort Worth flights
Pearson Intl to San Francisco flights
Vancouver Intl to John F Kennedy Intl flights
Toronto Island to Orlando flights
Vancouver Intl to Palm Springs flights
Pearson Intl to West Palm Beach flights
Pearson Intl to Tampa flights
Pierre Elliott Trudeau Intl to Los Angeles flights
Pierre Elliott Trudeau Intl to Las Vegas flights
Toronto Island to Las Vegas flights
Vancouver Intl to San Francisco flights
Vancouver Intl to LaGuardia flights
Pearson Intl to Dulles Intl flights
Québec City to Fort Lauderdale flights
Pearson Intl to Hobby flights
Pearson Intl to Nashville flights
Vancouver Intl to Sky Harbor Intl flights
Pearson Intl to Sky Harbor Intl flights
Pearson Intl to George Bush Intcntl flights
Pierre Elliott Trudeau Intl to O'Hare Intl flights
Pearson Intl to Fort Myers flights
Pearson Intl to Reagan-National flights
Ottawa to Fort Lauderdale flights
Toronto Island to Miami flights
Vancouver Intl to Orlando flights
Pearson Intl to O'Hare Intl flights
Abbotsford to Las Vegas flights
Pearson Intl to Atlanta flights
Pearson Intl to Boston flights
Pearson Intl to San Diego flights

Top 10 airlines flying from Ontario to California

Discover the top 10 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 629,999 searches. Data last updated 18 December 2024.
AirlineCheapestAverageFlexibilityOn-time
Lynx AirCheapestC$ 185AverageC$ 340FlexibilityNo cancel feeOn-timeN/A
Search Lynx Air flights
Air CanadaCheapestC$ 218AverageC$ 706FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 230AverageC$ 574FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Porter AirlinesCheapestC$ 236AverageC$ 560FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
DeltaCheapestC$ 256AverageC$ 605FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapestC$ 283AverageC$ 799FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air TransatCheapestC$ 292AverageC$ 491FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
American AirlinesCheapestC$ 301AverageC$ 666FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Alaska AirlinesCheapestC$ 406AverageC$ 821FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
WestJet EncoreCheapestC$ 554AverageC$ 847FlexibilityNo cancel feeOn-timeN/A
Search WestJet Encore flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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.

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.