Cheap flights from Toronto to San Diego from C$ 346

In general, May is the cheapest month to fly from Toronto to San Diego. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 594. If you are unable to visit San Diego during the month of May, then departing from Toronto during the month April is also very affordable. Most momondo users find prices during this month for around C$ 624.

The cheapest day to depart on your flight to San Diego is on a Friday when prices can be found for as low as C$ 683. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to San Diego on Sunday is C$ 888.

Fly from Toronto Pearson Intl to San Diego for the best Toronto - San Diego flight prices

You are more likely to see cheaper flights to San Diego from Toronto when booking weeks ahead of your departure date. In general, you can expect to find flights to San Diego for around C$ 712 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Diego from Toronto for as low as C$ 596 on momondo.

There are 3 cabin classes available to choose from on Toronto to San Diego flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 30% on your flight if you consider stops on a Toronto to San Diego flight.

WestJet, Porter Airlines, and Delta are the most popular carriers operating from Toronto to San Diego

Air Canada, United Airlines and Delta are the top three most popular airlines that fly to San Diego from Toronto according to our data. Air Canada is the first choice among our users, with 58% of people opting to fly with this airline when travelling to San Diego. Keep in mind that there are 6 different airlines that fly to San Diego on a routine basis, so you have a few additional options to choose from.

Historically, on average around 25% of flights between Toronto and San Diego have experienced a delay on any given week. The average delay length over the past 12 months has been 177 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the morning have, in the past, seen delays more frequently in comparison.

Monday is statistically the day of the week that experiences the fewest delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

According to our data, Air Canada has had the least delays on this route over the last 12 months, with about 26% of their flights experiencing any sort of delay.

Chicago (ORD) was the most common stop: 40% of momondo users choosing one-stop flights on this route connected there.

Flights via Detroit (DTW) offer the lowest average round-trip price of C$ 444.

Flights connecting via Denver (DEN) have the shortest average one-way travel time: 7h 05m.

Philadelphia (PHL) has the shortest average layover time for this route: 1h 02m.

The number of flights available between Toronto and San Diego is 2 per day as of October 2026. The most frequent departure time is 10:00a.m., with 100% of daily flights leaving at noon.

The number of flights available between Toronto and San Diego is 14 per week as of October 2026. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.