Cheap flights from Calgary to the United States from C$ 137

The month of October is, on average, the cheapest month to fly to United States from Calgary, with most prices found around C$ 406. If you don’t want to visit United States in October, then you should wait until September to fly from Calgary, when ticket prices are also cheap, with an average price of C$ 426.

On average, the least expensive day to fly to United States from Calgary is on a Thursday. momondo users have found tickets for Thursday departures for as low as C$ 561. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to United States on Friday is C$ 799.

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

You are more likely to see cheaper flights to United States from Calgary when booking weeks ahead of your departure date. In general, you can expect to find flights to United States for around C$ 643 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to United States from Calgary for as low as C$ 576 on momondo.

There are 4 cabin classes available to choose from on Calgary to United States 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 5% on your flight if you consider stops on a Calgary to United States flight.

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

WestJet, Air Canada and American Airlines are the top three most popular airlines that fly to United States from Calgary according to our data. WestJet is the first choice among our users, with 83% of people opting to fly with this airline when travelling to United States. Keep in mind that there are 7 different airlines that fly to United States on a routine basis, so you have a few additional options to choose from.

Historically, on average around 16% of flights between Calgary and United States have experienced a delay on any given week. The average delay length over the past 12 months has been 131 minutes.

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

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

According to our data, WestJet has had the least delays on this route over the last 12 months, with about 17% of their flights experiencing any sort of delay.

86 flights are operational daily from Calgary to United States as of July 2026. The most popular departure time for this route is 7:00p.m., with 49% of flights per day taking off at noon.

As of July 2026, 604 flights take off from Calgary and land in United States each week. The most common flight departure day for this route is Fri, with 18% of weekly flights taking off on this day.