Cheap flights from Canada to San Francisco from $99

If you aren’t able to travel to San Francisco during the month of May, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $327.

The cheapest day to depart from Canada to San Francisco is on a Friday when prices can be found for as low as $502. The most expensive day to fly to San Francisco is Monday, with ticket prices averaging around $708.

Our data shows that the cheapest Canada to San Francisco flights are usually those with departure times in the morning. Our users have found flights to San Francisco in the morning for as low as $483. Flights in the evening are often more expensive with an average ticket price of $942.

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

You are more likely to see cheaper flights to San Francisco from Canada when booking weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around $382 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Francisco from Canada for as low as $341 on momondo.

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

Air Canada, United Airlines and Porter Airlines are the top three most popular airlines that fly to San Francisco from Canada according to our data. Air Canada is the first choice among our users, with 48% of people opting to fly with this airline when traveling to San Francisco. Keep in mind that there are 8 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 20% of flights between Canada and San Francisco have experienced a delay on any given week. The average delay length over the past 12 months has been 146 minutes.

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

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday 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 16% of their flights experiencing any sort of delay.

As of April 2026, 34 flights take off from Canada and land in San Francisco each day. The most common flight departure time for this route is 10:00AM, with 45% of daily flights taking off at noon.

The number of flights available between Canada and San Francisco is 240 per week as of April 2026. The most frequent departure day is Thu, with 31% of weekly flights leaving on this day.