Cheap flights from Toronto to San Francisco from $187

If you aren’t able to travel to San Francisco during the month of January, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $372.

The cheapest day to depart from Toronto to San Francisco is on a Thursday when prices can be found for as low as $491. The most expensive day to fly to San Francisco is Monday, with ticket prices averaging around $680.

Our data shows that the cheapest Toronto to San Francisco flights are usually those with departure times in the evening. Our users have found flights to San Francisco in the evening for as low as $324. Flights in the afternoon are often more expensive with an average ticket price of $927.

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

You are more likely to see cheaper flights to San Francisco from Toronto when booking weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around $414 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Francisco from Toronto for as low as $359 on momondo.

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

Porter Airlines, United Airlines, and Delta are the most popular carriers operating from Toronto to San Francisco

Air Canada, Porter Airlines and United Airlines are the top three most popular airlines that fly to San Francisco from Toronto according to our data. Air Canada is the first choice among our users, with 40% of people opting to fly with this airline when traveling to San Francisco. Keep in mind that there are 7 different airlines that fly to San Francisco on a routine basis, so you have a few additional options to choose from.

Historically, on average around 27% of flights between Toronto and San Francisco have experienced a delay on any given week. The average delay length over the past 12 months has been 149 minutes.

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

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

According to our data, United Airlines have had the least number of delays on this route over the last 12 months; with about 19% of their flights experiencing any sort of delay.

As of October 2026, there are 15 flights per day flying from Toronto to San Francisco. The most common time of day flights depart is 6:00PM, with 65% of flights taking off at noon.

As of October 2026, there are 109 flights per week flying from Toronto to San Francisco. The most common day of the week flights depart is Tue, with 19% of flights taking off on this day.