Cheap flights from Ontario to Los Angeles from $148

The month of May is, on average, the cheapest month to fly to Los Angeles from Region of Ontario, with most prices found around $235. If you aren’t able to travel during the month of May, then book flights to Los Angeles from Region of Ontario during September instead. Flights to Los Angeles in September, while not as cheap as those in May, still average around $242.

Our data shows that Friday is the least expensive day to fly to Los Angeles. Tickets to fly out on this day can be as low as $284. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to Los Angeles on Monday is $363.

Our most recent data shows that the best time of day to fly to Los Angeles is in the evening. Flights from Region of Ontario to Los Angeles during this time can be as low as $220. At noon is when there is more demand to fly to Los Angeles, so prices are often more expensive at around $544 per ticket.

Fly from Toronto Pearson Intl to Los Angeles for the best Ontario - Los Angeles flight prices

You are more likely to see cheaper flights to Los Angeles from Region of Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to Los Angeles for around $296 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Los Angeles from Region of Ontario for as low as $242 on momondo.

There are 4 cabin classes available to choose from on Ontario to Los Angeles flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

WestJet, Air Canada, and Alaska Airlines are the most popular carriers operating from Ontario to Los Angeles

Air Canada, Porter Airlines and WestJet are the top three most popular airlines that fly to Los Angeles from Region of Ontario according to our data. Air Canada is the first choice among our users, with 41% of people opting to fly with this airline when traveling to Los Angeles. Keep in mind that there are 7 different airlines that fly to Los Angeles on a routine basis, so you have a few additional options to choose from.

As of February 2026, 16 flights take off from Region of Ontario and land in Los Angeles each day. The most common flight departure time for this route is 8:00AM, with 46% of daily flights taking off at noon.

As of February 2026, there are 113 flights per week flying from Region of Ontario to Los Angeles. The most common day of the week flights depart is Tue, with 20% of flights taking off on this day.