Cheap flights from the United States to Calgary from C$ 71

The cheapest month to fly to Calgary from United States is in October. Flight prices, which tend to average around C$ 491, 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 United States during November instead. Flights to Calgary in November, while not as cheap as those in October, still average around C$ 502.

Fly from Las Vegas Harry Reid Intl to Calgary for the best United States - Calgary flight prices

You are more likely to see cheaper flights to Calgary from United States when booking weeks ahead of your departure date. In general, you can expect to find flights to Calgary for around C$ 727 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Calgary from United States for as low as C$ 628 on momondo.

There are 3 cabin classes available to choose from on United States to Calgary flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Air Canada, United Airlines, and Porter Airlines are the most popular carriers operating from United States to Calgary

WestJet, Air Canada and United Airlines are the top three most popular airlines that fly to Calgary from United States according to our data. WestJet is the first choice among our users, with 84% of people opting to fly with this airline when travelling to Calgary. Keep in mind that there are 5 different airlines that fly to Calgary on a routine basis, so you have a few additional options to choose from.

Historically, on average around 21% of flights between United States and Calgary have experienced a delay on any given week. The average delay length over the past 12 months has been 136 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the evening have, in the past, seen delays more frequently in comparison.

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

According to our data, Alaska Airlines has had the least delays on this route over the last 12 months, with about 14% of their flights experiencing any sort of delay.

As of September 2026, there are 35 flights per day flying from United States to Calgary. The most common time of day flights depart is 6:00p.m., with 37% of flights taking off at noon.

As of September 2026, there are 247 flights per week flying from United States to Calgary. The most common day of the week flights depart is Mon, with 31% of flights taking off on this day.