Cheap flights from San Francisco to Calgary from C$ 185

The cheapest month to fly to Calgary from San Francisco is in October. Flight prices, which tend to average around C$ 375, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of October, then book flights to Calgary from San Francisco during January instead. Flights to Calgary in January, while not as cheap as those in October, still average around C$ 383.

The cheapest day to depart on your flight to Calgary is on a Tuesday when prices can be found for as low as C$ 384. This is often the case because there is less demand to fly during this day of the week. On the other hand, Friday is the most expensive day to depart from San Francisco because it is more convenient for both business and leisure travellers. As a result, prices tend to be around C$ 610.

Our data shows that the cheapest San Francisco to Calgary flights are usually those with departure times at noon. Our users have found flights to Calgary at noon for as low as C$ 467. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are C$ 544 on average. Flights to Calgary from San Francisco in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.

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

You are more likely to see cheaper flights to Calgary from San Francisco when booking weeks ahead of your departure date. In general, you can expect to find flights to Calgary for around C$ 481 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Calgary from San Francisco for as low as C$ 406 on momondo.

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

Flair Airlines and Alaska Airlines are the most popular carriers operating from San Francisco to Calgary

WestJet, United Airlines and Air Canada are the top three most popular airlines that fly to Calgary from San Francisco according to our data. WestJet is the first choice among our users, with 78% of people opting to fly with this airline when travelling to Calgary. Keep in mind that there are 3 different airlines that fly to Calgary on a routine basis, so you have a few additional options to choose from.

As of October 2026, there are 8 flights per day flying from San Francisco to Calgary. The most common time of day flights depart is 1:00p.m., with 60% of flights taking off at noon.

As of October 2026, there are 58 flights per week flying from San Francisco to Calgary. The most common day of the week flights depart is Fri, with 24% of flights taking off on this day.