Cheap flights from San Francisco to Canada from C$ 137

In general, October is the cheapest month to fly from San Francisco to Canada. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 428. If you’re not able to fly to Canada in October, then January is your next best option. Flight prices from San Francisco to Canada during January average around C$ 461.

Our data shows that Tuesday is the least expensive day to fly to Canada. Tickets to fly out on this day can be as low as C$ 557. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around C$ 696. These prices are subject to change though, so be sure to set up a Price Alert for flights to Canada.

According to our data, the cheapest time of day to fly to Canada is at noon. momondo users have found flights departing from San Francisco to Canada at noon for as low as C$ 622. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the evening is when there is more demand to fly to Canada, so prices are often more expensive at around C$ 814 per ticket.

Fly from San Francisco to Calgary for the best San Francisco - Canada flight prices

You are more likely to see cheaper flights to Canada from San Francisco when booking weeks ahead of your departure date. In general, you can expect to find flights to Canada for around C$ 706 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Canada from San Francisco for as low as C$ 635 on momondo.

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

WestJet, Alaska Airlines, and United Airlines are the most popular carriers operating from San Francisco to Canada

Air Canada, WestJet and Porter Airlines are the top three most popular airlines that fly to Canada from San Francisco according to our data. Air Canada is the first choice among our users, with 41% of people opting to fly with this airline when travelling to Canada. Keep in mind that there are 6 different airlines that fly to Canada on a routine basis, so you have a few additional options to choose from.

Historically, on average around 18% of flights between San Francisco and Canada have experienced a delay on any given week. The average delay length over the past 12 months has been 133 minutes.

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

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

According to our data, United Airlines has had the least delays on this route over the last 12 months, with about 13% of their flights experiencing any sort of delay.

The number of flights available between San Francisco and Canada is 65 per day as of September 2026. The most frequent departure time is 8:00a.m., with 42% of daily flights leaving at noon.

457 flights are operational weekly from San Francisco to Canada as of September 2026. The most popular departure day for this route is Wed, with 21% of flights per week taking off on this day.