We've gone through lots of different flights, to help you find the cheapest way to get from Toronto Lester B. Pearson International Airport to San Francisco. You can choose from two airlines. At the moment, 12 / Aug / 2025 is the cheapest date to travel, but scroll through the results to find the option that works best for you.
Air Canada is the most popular airline that flies from Toronto Lester B. Pearson International Airport to San Francisco. But it's still worth looking at other options, as there are ten flights to San Francisco every week. If you want to broaden your search, look at flights departing from other airports.
Generally speaking, the flight from Toronto Lester B. Pearson International Airport to San Francisco takes around 12 hrs 50 mins. The fastest flight takes 9 hrs 5 mins to cover the 3630 km distance. You can view all flight times yourself in the results list.
You can also search by month, which will reveal the cheapest time of the week to fly.
