Cheap flights from Montreal to Denver from C$ 331

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$ 207. 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$ 219.

The cheapest day to depart from Montreal to Denver is on a Saturday. Travellers who choose to depart for Denver on a Saturday will often find tickets for as low as C$ 844. 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$ 1,008.

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$ 890. Try not to purchase tickets in the afternoon because they tend to be around C$ 940. 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$ 732 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$ 589 on momondo.

There are 3 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 8% on your flight if you consider stops on a Montreal to Denver flight.

As of June 2026, prices for Montreal to Denver flights are approximately 12% more expensive when compared to flights at the same time last year.

WestJet and Delta are the most popular carriers 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 78% 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$ 498.

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 5 per day as of June 2026. The most frequent departure time is 4:00p.m., with 77% of daily flights leaving in the afternoon.

As of June 2026, there are 35 flights per week flying from Montreal to Denver. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.