Cheap flights from San Diego to Montreal from C$ 233

The cheapest month to fly to Montreal from San Diego is in September. Flight prices, which tend to average around C$ 662, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of September, then book flights to Montreal from San Diego during February instead. Flights to Montreal in February, while not as cheap as those in September, still average around C$ 677.

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

You are more likely to see cheaper flights to Montreal from San Diego when booking weeks ahead of your departure date. In general, you can expect to find flights to Montreal for around C$ 785 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Montreal from San Diego for as low as C$ 602 on momondo.

There is only 1 cabin class available to choose from on San Diego to Montreal 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 San Diego to Montreal.

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

As of August 2026, there are 1 flights per day flying from San Diego to Montreal. The most common time of day flights depart is 7:00a.m., with 100% of flights taking off at noon.

The number of flights available between San Diego and Montreal is 12 per week as of August 2026. The most frequent departure day is Mon, with 17% of weekly flights leaving on this day.