Cheap flights from Ontario to Los Angeles from C$ 201

The month of May is, on average, the cheapest month to fly to Los Angeles from Region of Ontario, with most prices found around C$ 321. If you’re not able to fly to Los Angeles in May, then September is your next best option. Flight prices from Region of Ontario to Los Angeles during September average around C$ 331.

According to our data, Thursday is the cheapest day to fly to Los Angeles from Region of Ontario. The lowest ticket price found for a Thursday departure recently was C$ 440. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Los Angeles is Sunday, with ticket prices averaging around C$ 562.

In the evening is the cheapest time of day to fly from Region of Ontario to Los Angeles when you can find flight prices for as low as C$ 362. Flying to Los Angeles in the evening is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the afternoon because they tend to be around C$ 619. Of course, these prices can vary depending on the time of year and what airport you fly to.

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 C$ 404 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 C$ 331 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, United Airlines, and Porter Airlines are the most popular carriers operating from Ontario to Los Angeles

Porter Airlines, Air Canada and WestJet are the top three most popular airlines that fly to Los Angeles from Region of Ontario according to our data. Porter Airlines is the first choice among our users, with 39% of people opting to fly with this airline when travelling to Los Angeles. Keep in mind that there are 8 different airlines that fly to Los Angeles on a routine basis, so you have a few additional options to choose from.

The number of flights available between Region of Ontario and Los Angeles is 13 per day as of February 2026. The most frequent departure time is 8:00a.m., with 46% of daily flights leaving at noon.

The number of flights available between Region of Ontario and Los Angeles is 94 per week as of February 2026. The most frequent departure day is Thu, with 21% of weekly flights leaving on this day.