Cheap flights from Montreal to Denver from C$ 239

In general, August 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$ 204. If you aren’t able to travel during the month of August, then book flights to Denver from Montreal during October instead. Flights to Denver in October, while not as cheap as those in August, still average around C$ 216.

The cheapest day to depart from Montreal to Denver is on a Friday. Travellers who choose to depart for Denver on a Friday will often find tickets for as low as C$ 777. 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$ 1,025.

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$ 821. Try not to purchase tickets in the afternoon because they tend to be around C$ 915. 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$ 655 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$ 553 on momondo.

You could potentially save up to 26% on your flight if you consider stops on a Montreal to Denver flight.

As of April 2026, prices for Montreal to Denver flights are approximately 2% 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, United Airlines and WestJet 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 80% 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.

Toronto (YYZ) was the most common stop: 67% of momondo users choosing one-stop flights on this route connected there.

Flights via Chicago (ORD) offer the lowest average round-trip price of C$ 491.

Flights connecting via Toronto (YYZ) have the shortest average one-way travel time: 6h 20m.

Toronto (YYZ) has the shortest average layover time for this route: 1h 43m.

The number of flights available between Montreal and Denver is 1 per day as of April 2026. The most frequent departure time is 5:00p.m., with 100% of daily flights leaving in the afternoon.

As of April 2026, there are 11 flights per week flying from Montreal to Denver. The most common day of the week flights depart is Mon, with 27% of flights taking off on this day.