Cheap flights from San Francisco to Montreal from C$ 320

The cheapest month to fly to Montreal from San Francisco is in January. Flight prices, which tend to average around C$ 190, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of January, then book flights to Montreal from San Francisco during September instead. Flights to Montreal in September, while not as cheap as those in January, still average around C$ 211.

Our data shows that Monday is the least expensive day to fly to Montreal. Tickets to fly out on this day can be as low as C$ 518. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from San Francisco to Montreal for around C$ 1,400.

Our data shows that the cheapest San Francisco to Montreal flights are usually those with departure times in the morning. Our users have found flights to Montreal in the morning for as low as C$ 836. Flights in the evening are often more expensive with an average ticket price of C$ 1,079.

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

You are more likely to see cheaper flights to Montreal from San Francisco when booking weeks ahead of your departure date. In general, you can expect to find flights to Montreal for around C$ 835 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Montreal from San Francisco for as low as C$ 672 on momondo.

There are 3 cabin classes available to choose from on San Francisco to Montreal 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 25% on your flight if you consider stops on a San Francisco to Montreal flight.

As of June 2026, prices for San Francisco to Montreal flights are approximately 16% cheaper when compared to flights at the same time last year.

As of June 2026, there are 6 flights per day flying from San Francisco to Montreal. The most common time of day flights depart is 8:00a.m., with 100% of flights taking off at noon.

As of June 2026, 42 flights take off from San Francisco and land in Montreal each week. The most common flight departure day for this route is Mon, with 17% of weekly flights taking off on this day.