Cheap flights from Denver to Montreal from C$ 210

The cheapest month to fly to Montreal from Denver is in August. Flight prices, which tend to average around C$ 204, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of August, then book flights to Montreal from Denver during July instead. Flights to Montreal in July, while not as cheap as those in August, still average around C$ 237.

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

You are more likely to see cheaper flights to Montreal from Denver when booking weeks ahead of your departure date. In general, you can expect to find flights to Montreal for around C$ 799 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Montreal from Denver for as low as C$ 346 on momondo.

There are 2 cabin classes available to choose from on Denver 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 26% on your flight if you consider stops on a Denver to Montreal flight.

As of June 2026, prices for Denver to Montreal flights are approximately 52% more expensive when compared to flights at the same time last year.

4 flights are operational daily from Denver to Montreal as of June 2026. The most popular departure time for this route is 11:00a.m., with 100% of flights per day taking off at noon.

The number of flights available between Denver and Montreal is 31 per week as of June 2026. The most frequent departure day is Mon, with 16% of weekly flights leaving on this day.