195 - 392 USD
In general, when booking your flight to Montreal, March is the cheapest month on average.
In general, most flyers find the cheapest time to book a flight to Montreal is about 42 days prior.
On average, the cheapest flights to Montreal are found when departing on a Tuesday. Try to avoid departing on a Friday, as this is usually the most expensive day.
On average you can find the best deals on plane tickets to Montreal when looking for flights with afternoon departure times.