Cheap flights from San Diego to Toronto from $144

The month of September is, on average, the cheapest month to fly to Toronto from San Diego, with most prices found around $120. If you are unable to visit Toronto during the month of September, then departing from San Diego during the month April is also very affordable. Most momondo users find prices during this month for around $121.

On average, the least expensive day to fly to Toronto from San Diego is on a Friday. momondo users have found tickets for Friday departures for as low as $516. However, this price may fluctuate depending on the airline, the season, and holidays. The most expensive day to fly to Toronto is Tuesday, with ticket prices averaging around $664.

At noon is the cheapest time of day to fly from San Diego to Toronto when you can find flight prices for as low as $490. Flying to Toronto at noon is an ideal time because this is during off-peak travel hours. Flights to Toronto are more costly in the morning, with an average ticket price of $617. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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

You are more likely to see cheaper flights to Toronto from San Diego when booking weeks ahead of your departure date. In general, you can expect to find flights to Toronto for around $494 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Toronto from San Diego for as low as $364 on momondo.

There are 4 cabin classes available to choose from on San Diego to Toronto 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 38% on your flight if you consider stops on a San Diego to Toronto flight.

As of May 2026, prices for San Diego to Toronto flights are approximately 40% cheaper when compared to flights at the same time last year.

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

Air Canada, United Airlines and Delta are the top three most popular airlines that fly to Toronto from San Diego according to our data. Air Canada is the first choice among our users, with 48% of people opting to fly with this airline when traveling to Toronto. Keep in mind that there are 5 different airlines that fly to Toronto on a routine basis, so you have a few additional options to choose from.

Chicago (ORD) was the most common stop: 71% of momondo users choosing 1-stop flights on this route connected there.

Flights via Detroit (DTW) offer the lowest average round-trip price of $445.

Flights connecting via Detroit (DTW) have the shortest average one-way travel time: 7h 54m.

Detroit (DTW) has the shortest average layover time for this route: 1h 24m.

As of May 2026, 2 flights take off from San Diego and land in Toronto each day. The most common flight departure time for this route is 1:00PM, with 100% of daily flights taking off in the afternoon.

14 flights are operational weekly from San Diego to Toronto as of May 2026. The most popular departure day for this route is Mon, with 14% of flights per week taking off on this day.