Cheap flights from Quebec to San Francisco from C$ 266

The cheapest month to fly to San Francisco from Quebec is in May. Flight prices, which tend to average around C$ 508, are often lower during this time because this is during the off-season. The month of September is another great option to travel to San Francisco, with average flight prices from Quebec averaging around C$ 549.

The cheapest day to depart from Quebec to San Francisco is on a Friday. Travellers who choose to depart for San Francisco on a Friday will often find tickets for as low as C$ 1,118. On the other hand, Saturday is the most expensive day to depart from Quebec because it is more convenient for both business and leisure travellers. As a result, prices tend to be around C$ 1,283.

Flying to San Francisco from Quebec in the morning is the least expensive time of day to depart. momondo users have found prices as low as C$ 841 when looking at flights departing in the morning. In contrast, the most expensive time of day to depart to San Francisco is in the afternoon when prices are around C$ 1,276.

Fly from Montreal Pierre Elliott Trudeau Intl to San Francisco for the best Quebec - San Francisco flight prices

You are more likely to see cheaper flights to San Francisco from Quebec when booking weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around C$ 595 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Francisco from Quebec for as low as C$ 493 on momondo.

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

WestJet, Porter Airlines, and United Airlines are the most popular carriers operating from Quebec to San Francisco

Air Canada, Porter Airlines and United Airlines are the top three most popular airlines that fly to San Francisco from Quebec according to our data. Air Canada is the first choice among our users, with 63% of people opting to fly with this airline when travelling to San Francisco. Keep in mind that there are 6 different airlines that fly to San Francisco on a routine basis, so you have a few additional options to choose from.

As of March 2026, 2 flights take off from Quebec and land in San Francisco each day. The most common flight departure time for this route is 5:00p.m., with 100% of daily flights taking off in the afternoon.

The number of flights available between Quebec and San Francisco is 16 per week as of March 2026. The most frequent departure day is Wed, with 25% of weekly flights leaving on this day.