Cheap flights from Denver to Calgary from C$ 129

The cheapest month to fly to Calgary from Denver is in October. Flight prices, which tend to average around C$ 241, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of October, then book flights to Calgary from Denver during May instead. Flights to Calgary in May, while not as cheap as those in October, still average around C$ 272.

The cheapest day to depart on your flight to Calgary is on a Thursday when prices can be found for as low as C$ 202. This is often the case because there is less demand to fly during this day of the week. On the other hand, Wednesday is the most expensive day to depart from Denver because it is more convenient for both business and leisure travellers. As a result, prices tend to be around C$ 486.

Our data shows that the cheapest Denver to Calgary flights are usually those with departure times in the afternoon. Our users have found flights to Calgary in the afternoon for as low as C$ 251. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are C$ 359 on average. Flights to Calgary from Denver in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

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

You are more likely to see cheaper flights to Calgary from Denver when booking weeks ahead of your departure date. In general, you can expect to find flights to Calgary for around C$ 400 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Calgary from Denver for as low as C$ 223 on momondo.

There are 3 cabin classes available to choose from on Denver Intl to Calgary 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 20% on your flight if you consider stops on a Denver to Calgary flight.

As of February 2026, prices for Denver to Calgary flights are approximately 5% cheaper when compared to flights at the same time last year.

5 flights are operational daily from Denver to Calgary as of February 2026. The most popular departure time for this route is 7:00p.m., with 53% of flights per day taking off in the evening.

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