Cheap flights from Montreal to Denver from C$ 280

In general, May is the cheapest month to fly from Montreal to Denver. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 650. If you aren’t able to travel during the month of May, then book flights to Denver from Montreal during January instead. Flights to Denver in January, while not as cheap as those in May, still average around C$ 650.

The cheapest day to depart from Montreal to Denver is on a Wednesday. Travellers who choose to depart for Denver on a Wednesday will often find tickets for as low as C$ 782. On the other hand, Sunday is the most expensive day to depart from Montreal because it is more convenient for both business and leisure travellers. As a result, prices tend to be around C$ 977.

Our most recent data shows that the best time of day to fly to Denver is in the morning. Flights from Montreal to Denver during this time can be as low as C$ 863. Try not to purchase tickets in the afternoon because they tend to be around C$ 877. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

You are more likely to see cheaper flights to Denver from Montreal when booking weeks ahead of your departure date. In general, you can expect to find flights to Denver for around C$ 738 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Denver from Montreal for as low as C$ 557 on momondo.

There are 4 cabin classes available to choose from on Montreal to Denver 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 30% on your flight if you consider stops on a Montreal to Denver flight.

As of September 2026, prices for Montreal to Denver flights are approximately 5% more expensive when compared to flights at the same time last year.

WestJet is the most popular carrier operating from Montreal to Denver Intl

Air Canada, WestJet and United Airlines are the top three most popular airlines that fly to Denver from Montreal according to our data. Air Canada is the first choice among our users, with 86% of people opting to fly with this airline when travelling to Denver. Keep in mind that there are 3 different airlines that fly to Denver on a routine basis, so you have a few additional options to choose from.

The number of flights available between Montreal and Denver is 4 per day as of September 2026. The most frequent departure time is 4:00p.m., with 66% of daily flights leaving in the afternoon.

As of September 2026, there are 33 flights per week flying from Montreal to Denver. The most common day of the week flights depart is Mon, with 15% of flights taking off on this day.