Cheap flights from Calgary to the United States from $116

In general, October is the cheapest month to fly from Calgary to United States. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $325. If you aren’t able to travel during the month of October, then book flights to United States from Calgary during January instead. Flights to United States in January, while not as cheap as those in October, still average around $335.

According to our data, Thursday is the cheapest day to fly to United States from Calgary. The lowest ticket price found for a Thursday departure recently was $447. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $817. These prices are subject to change though, so be sure to set up a Price Alert for flights to United States.

The cheapest time of day to fly to United States is in the morning when flights can be purchased for as low as $542. Try not to purchase tickets at noon because they tend to be around $875. Of course, these prices can vary depending on the time of year and what airport you fly to.

Fly from Calgary to Boston Logan 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 $474 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 $379 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.

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

WestJet, Air Canada and Delta 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 76% of people opting to fly with this airline when traveling to United States. Keep in mind that there are 6 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 15% 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 133 minutes.

Generally, flights departing at night 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. Thursday has historically seen more delays on average compared to the rest of the week.

According to our data, WestJet have had the least number of delays on this route over the last 12 months; with about 16% of their flights experiencing any sort of delay.

As of September 2026, there are 51 flights per day flying from Calgary to United States. The most common time of day flights depart is 10:00AM, with 53% of flights taking off at noon.

As of September 2026, there are 363 flights per week flying from Calgary to United States. The most common day of the week flights depart is Wed, with 23% of flights taking off on this day.