Cheap flights from the United States to Calgary from $27

The month of May is, on average, the cheapest month to fly to Calgary from United States, with most prices found around $375. If you aren’t able to travel during the month of May, then book flights to Calgary from United States during January instead. Flights to Calgary in January, while not as cheap as those in May, still average around $395.

The cheapest day to depart on your flight to Calgary is on a Tuesday when prices can be found for as low as $546. This is often the case because there is less demand to fly during this day of the week. Flights from United States to Calgary on a Saturday will generally be more expensive and average around $605. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

The cheapest time of day to fly to Calgary is in the afternoon when flights can be purchased for as low as $553. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $603 on average. Flights to Calgary from United States in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

Fly from San Francisco 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 $495 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 $405 on momondo.

There are 4 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.

Porter Airlines, WestJet, and Alaska Airlines are the most popular carriers operating from United States to Calgary

WestJet, Delta and Air Canada 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 65% of people opting to fly with this airline when traveling to Calgary. Keep in mind that there are 9 different airlines that fly to Calgary on a routine basis, so you have a few additional options to choose from.

Historically, on average around 20% 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 135 minutes.

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

Tuesday is statistically the day of the week which experiences the fewest number of 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 have had the least number of delays on this route over the last 12 months; with about 15% of their flights experiencing any sort of delay.

42 flights are operational daily from United States to Calgary as of November 2026. The most popular departure time for this route is 5:00PM, with 49% of flights per day taking off in the afternoon.

As of November 2026, 299 flights take off from United States and land in Calgary each week. The most common flight departure day for this route is Fri, with 21% of weekly flights taking off on this day.