Cheap flights from Calgary to San Francisco from $151

If you aren’t able to travel to San Francisco during the month of February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $271.

The cheapest day to depart from Calgary to San Francisco is on a Wednesday when prices can be found for as low as $274. The most expensive day to fly to San Francisco is Tuesday, with ticket prices averaging around $342.

Our data shows that the cheapest Calgary 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 $257. Flights in the afternoon are often more expensive with an average ticket price of $416.

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

You are more likely to see cheaper flights to San Francisco from Calgary when booking weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around $311 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Francisco from Calgary for as low as $203 on momondo.

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

No. A direct flight is the cheapest option for a flight between Calgary to San Francisco.

As of October 2026, prices for Calgary to San Francisco flights are approximately 16% more expensive when compared to flights at the same time last year.

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

WestJet, United Airlines and Air Canada are the top three most popular airlines that fly to San Francisco from Calgary according to our data. WestJet is the first choice among our users, with 67% of people opting to fly with this airline when traveling to San Francisco. Keep in mind that there are 4 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 37% of flights between Calgary and San Francisco have experienced a delay on any given week. The average delay length over the past 12 months has been 155 minutes.

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights in the evening 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. Thursday 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 23% of their flights experiencing any sort of delay.

As of October 2026, there are 4 flights per day flying from Calgary to San Francisco. The most common time of day flights depart is 10:00AM, with 71% of flights taking off at noon.

As of October 2026, there are 28 flights per week flying from Calgary to San Francisco. The most common day of the week flights depart is Sun, with 36% of flights taking off on this day.