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Cheap flights from California to Ontario from C$ 114

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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — YYZ
5 Nov — 12 Nov1
1 adult

Find flight deals from California to Ontario

Cheapest flights from California to Ontario
Explore the most affordable flight options available from California to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 31 October 2024.

Tue 10/127:35 a.m.LAX - YYZ
Nonstop4h 41mMultiple Airlines
Fri 13/1212:00 p.m.YYZ - LAX
1 stop10h 01mMultiple Airlines
Deal found 30/10C$ 280
Wed 27/117:35 a.m.LAX - YYZ
Nonstop4h 41mPorter Airlines
Wed 4/125:30 p.m.YYZ - LAX
Nonstop5h 38mPorter Airlines
Deal found 30/10C$ 287
Thu 5/127:00 a.m.LAX - YYZ
1 stop9h 10mWestJet
Mon 9/129:30 a.m.YYZ - LAX
2 stops12h 31mWestJet
Deal found 31/10C$ 301
Thu 5/1210:35 a.m.SAN - YYZ
1 stop16h 07mMultiple Airlines
Mon 9/1210:20 a.m.YYZ - SAN
Nonstop5h 45mMultiple Airlines
Deal found 30/10C$ 303
Mon 25/1110:11 p.m.SFO - YYZ
1 stop28h 31mMultiple Airlines
Wed 11/128:00 p.m.YYZ - SFO
1 stop14h 14mMultiple Airlines
Deal found 29/10C$ 334
Mon 25/1110:05 p.m.ONT - YYZ
2 stops23h 34mMultiple Airlines
Wed 4/128:00 p.m.YYZ - ONT
1 stop14h 14mMultiple Airlines
Deal found 30/10C$ 342
Fri 6/124:10 p.m.SAN - YYZ
1 stop11h 33mUnited Airlines
Sat 7/129:25 a.m.YYZ - SAN
Nonstop5h 38mUnited Airlines
Deal found 30/10C$ 342
Thu 5/126:58 p.m.SJC - YYZ
1 stop7h 44mMultiple Airlines
Mon 9/128:00 p.m.YYZ - SJC
1 stop14h 46mMultiple Airlines
Deal found 31/10C$ 346
Tue 3/121:15 p.m.LAX - YUL
1 stop8h 13mPorter Airlines
Wed 4/126:45 a.m.YUL - LAX
1 stop8h 23mPorter Airlines
Deal found 31/10C$ 366
Tue 19/118:23 p.m.LAX - YUL
2 stops39h 32mMultiple Airlines
Thu 28/112:35 p.m.YUL - LAX
1 stop8h 33mMultiple Airlines
Deal found 29/10C$ 374
Fri 6/1212:35 p.m.SAN - YYZ
1 stop8h 53mWestJet
Tue 10/1210:35 p.m.YYZ - SAN
1 stop16h 10mWestJet
Deal found 30/10C$ 380
Wed 11/123:00 p.m.OAK - YYZ
1 stop11h 42mMultiple Airlines
Mon 16/128:00 p.m.YYZ - OAK
1 stop16h 25mMultiple Airlines
Deal found 30/10C$ 385

Find flights from California to Ontario within your budget

Customize your flight search to find flights from California to Ontario 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 527,020 searches. Data last updated 31 October 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

Wed 20/11

9:26 a.m.-6:46 a.m.

1 stop18h 20m

C$ 134

Los AngelesToronto

LAX - YYZ

LAXYYZ

Los Angeles

Tue 10/12

7:00 a.m.-7:10 p.m.

1 stop9h 10m

C$ 135

Los AngelesToronto

LAX - YYZ

LAXYYZ

Los Angeles

Thu 5/12

7:35 a.m.-3:16 p.m.

Nonstop4h 41m

C$ 141

Los AngelesToronto

LAX - YYZ

LAXYYZ

Los Angeles

Mon 9/12

7:45 p.m.-2:55 p.m.

1 stop16h 10m

C$ 153

San DiegoToronto

SAN - YYZ

SANYYZ

San Diego

Tue 10/12

10:30 p.m.-9:58 a.m.

1 stop8h 28m

C$ 160

San DiegoToronto

SAN - YYZ

SANYYZ

San Diego

Sat 14/12

10:15 p.m.-11:27 a.m.

1 stop10h 12m

C$ 184

San DiegoToronto

SAN - YYZ

SANYYZ

San Diego

Sun 15/12

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

Nonstop4h 45m

C$ 185

Los AngelesToronto

LAX - YTZ

LAXYTZ

Los Angeles

Sat 30/11

8:30 a.m.-7:50 p.m.

1 stop8h 20m

C$ 192

San JoseToronto

SJC - YYZ

SJCYYZ

San Jose

Tue 26/11

6:00 a.m.-10:44 p.m.

2 stops13h 44m

C$ 209

San JoseToronto

SJC - YYZ

SJCYYZ

San Jose

Thu 5/12

5:08 p.m.-5:42 a.m.

1 stop9h 34m

C$ 143

Flights are sorted by cheapest first

Deals found on 29/10

Showing 1-10 of 60 results
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Best time to book a flight from California to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from California 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 California to Ontario

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

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

Currently, October is the cheapest month in which you can book a flight from California to Region of Ontario (average of C$ 178). Flying from California to Region of Ontario in July is currently the most expensive (average of C$ 258). 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 CA to ON?

Find hourly flight availability from California to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 31 October 2024.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from California to Region of Ontario as you normally would.

Rainfall in Ontario by month

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

In terms of precipitation, rainfall in Region of Ontario ranges from 51.0 - 83.0 mm per month. June is typically the wettest month, when rainfall can reach 83.0 mm. February is typically the driest time to visit Region of Ontario when rainfall is around 51.0 mm.

Temperature in Ontario by month

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

If weather is an important factor for your trip to Region of Ontario, 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 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -6.0 C).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated 31 October 2024.
Read reviews from past customers who have flown Porter Airlines, American Airlines and WestJet from California to Ontario. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,835 reviews
Check prices

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,835 reviews
Delta
8.0
Very good
8,835 reviews
Check prices

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Alaska Airlines
8.0
Very good
9,420 reviews
Delta
8.0
Very good
8,835 reviews
Check prices

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Porter Airlines
7.8
Good
294 reviews
Delta
8.0
Very good
8,835 reviews
Check prices

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air Transat
7.8
Good
387 reviews
Delta
8.0
Very good
8,835 reviews
Check prices

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines
7.4
Good
9,240 reviews
Delta
8.0
Very good
8,835 reviews
Check prices

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from California to Ontario. 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 California to Region of Ontario one-way?

    C$ 114 is the cheapest one-way deal found within the past few days, from Porter Airlines. You may also be able to find cheap deals on WestJet and Alaska Airlines, with prices starting from C$ 125 and C$ 153, respectively.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from California to Ontario 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 California to Region of Ontario?

    Currently, October is the cheapest month in which you can book a flight from California to Region of Ontario (average of C$ 178). Flying from California to Region of Ontario in July is currently the most expensive (average of C$ 258). 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

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Alternative routes for California to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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Top 7 airlines flying from California to Ontario

Discover the top 7 airlines that operate flights from California to Ontario. 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 527,020 searches. Data last updated 31 October 2024.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 199AverageC$ 588FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 230AverageC$ 741FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Lynx AirCheapestC$ 240AverageC$ 324FlexibilityNo cancel feeOn-timeN/A
Search Lynx Air flights
WestJetCheapestC$ 248AverageC$ 536FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air TransatCheapestC$ 299AverageC$ 560FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
American AirlinesCheapestC$ 308AverageC$ 441FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapestC$ 403AverageC$ 837FlexibilityNo cancel feeOn-time69%
Search United Airlines 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 California to Ontario?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Ontario from California today with Cheapflights!

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

Cheapflights helps you find that perfect flight to Ontario from California by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Certainly. Search results for flights to Ontario from California shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

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

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