Cheap flights from San Francisco to Calgary from $128

The month of October is, on average, the cheapest month to fly to Calgary from San Francisco, with most prices found around $230. 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 $254.

The cheapest day to depart on your flight to Calgary is on a Wednesday when prices can be found for as low as $328. This is often the case because there is less demand to fly during this day of the week. Flights from San Francisco to Calgary on a Friday will generally be more expensive and average around $371. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

The cheapest time of day to fly to Calgary is in the morning when flights can be purchased for as low as $337. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $393 on average. Flights to Calgary from San Francisco at noon are generally more expensive because this time of day is more convenient for travelers’ 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 $318 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 $281 on momondo.

There are 4 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.

You could potentially save up to 36% on your flight if you consider stops on a San Francisco to Calgary flight.

As of June 2026, prices for San Francisco to Calgary flights are approximately 21% cheaper when compared to flights at the same time last year.

United Airlines and Delta are the most popular carriers operating from San Francisco to Calgary

WestJet, United Airlines and Delta 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 71% of people opting to fly with this airline when traveling to Calgary. Keep in mind that there are 5 different airlines that fly to Calgary on a routine basis, so you have a few additional options to choose from.

Vancouver (YVR) was the most common stop: 67% of momondo users choosing 1-stop flights on this route connected there.

Flights via Vancouver (YVR) offer the lowest average round-trip price of $378.

Flights connecting via Vancouver (YVR) have the shortest average one-way travel time: 5h 31m.

Vancouver (YVR) has the shortest average layover time for this route: 1h 39m.

The number of flights available between San Francisco and Calgary is 14 per day as of June 2026. The most frequent departure time is 6:00PM, with 48% of daily flights leaving at noon.

The number of flights available between San Francisco and Calgary is 101 per week as of June 2026. The most frequent departure day is Wed, with 21% of weekly flights leaving on this day.