Cheap flights from Calgary to Colorado from C$ 175

The cheapest month to fly to Colorado from Calgary is in October. Flight prices, which tend to average around C$ 351, are often lower during this time because this is during the off-season. If you don’t want to visit Colorado in October, then you should wait until August to fly from Calgary, when ticket prices are also cheap, with an average price of C$ 389.

The cheapest day to depart on your flight to Colorado is on a Friday when prices can be found for as low as C$ 664. This is often the case because there is less demand to fly during this day of the week. On the other hand, Monday is the most expensive day to depart from Calgary because it is more convenient for both business and leisure travellers. As a result, prices tend to be around C$ 801.

According to our data, the cheapest time of day to fly to Colorado is in the afternoon. momondo users have found flights departing from Calgary to Colorado in the afternoon for as low as C$ 399. 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 morning because they tend to be around C$ 728. Of course, these prices can vary depending on the time of year and what airport you fly to.

Fly from Calgary to Denver Intl for the best Calgary - Colorado flight prices

You are more likely to see cheaper flights to Colorado from Calgary when booking weeks ahead of your departure date. In general, you can expect to find flights to Colorado for around C$ 455 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Colorado from Calgary for as low as C$ 296 on momondo.

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

United Airlines and Delta are the most popular carriers operating from Calgary to Colorado

United Airlines, Air Canada and WestJet are the top three most popular airlines that fly to Colorado from Calgary according to our data. United Airlines is the first choice among our users, with 36% of people opting to fly with this airline when travelling to Colorado. Keep in mind that there are 4 different airlines that fly to Colorado on a routine basis, so you have a few additional options to choose from.

6 flights are operational daily from Calgary to Colorado as of August 2026. The most popular departure time for this route is 8:00a.m., with 60% of flights per day taking off at noon.

The number of flights available between Calgary and Colorado is 48 per week as of August 2026. The most frequent departure day is Mon, with 19% of weekly flights leaving on this day.