Cheap flights from Montreal to Colorado from C$ 339

The cheapest month to fly to Colorado from Montreal is in May. Flight prices, which tend to average around C$ 663, are often lower during this time because this is during the off-season. If you don’t want to visit Colorado in May, then you should wait until January to fly from Montreal, when ticket prices are also cheap, with an average price of C$ 663.

The cheapest day to depart on your flight to Colorado is on a Wednesday when prices can be found for as low as C$ 796. This is often the case because there is less demand to fly during this day of the week. 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$ 995.

According to our data, the cheapest time of day to fly to Colorado is in the morning. momondo users have found flights departing from Montreal to Colorado in the morning for as low as C$ 882. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets in the afternoon because they tend to be around C$ 890. 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 - Colorado flight prices

You are more likely to see cheaper flights to Colorado from Montreal when booking weeks ahead of your departure date. In general, you can expect to find flights to Colorado for around C$ 761 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Colorado from Montreal for as low as C$ 640 on momondo.

There are 4 cabin classes available to choose from on Montreal to Colorado flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Delta, American Airlines, and United Airlines are the most popular carriers operating from Montreal to Colorado

Air Canada, WestJet and United Airlines are the top three most popular airlines that fly to Colorado from Montreal according to our data. Air Canada is the first choice among our users, with 87% of people opting to fly with this airline when travelling to Colorado. Keep in mind that there are 3 different airlines that fly to Colorado on a routine basis, so you have a few additional options to choose from.

The number of flights available between Montreal and Colorado is 5 per day as of October 2026. The most frequent departure time is 4:00p.m., with 60% of daily flights leaving in the afternoon.

The number of flights available between Montreal and Colorado is 35 per week as of October 2026. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.