Cheap flights from Calgary to the United States from $88

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 $288. If you aren’t able to travel during the month of October, then book flights to United States from Calgary during September instead. Flights to United States in September, while not as cheap as those in October, still average around $302.

According to our data, Friday is the cheapest day to fly to United States from Calgary. The lowest ticket price found for a Friday departure recently was $371. 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 Monday because tickets tend to average around $714. These prices are subject to change though, so be sure to set up a Price Alert for flights to United States.

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 $449 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 $376 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 21% on your flight if you consider stops on a Calgary to United States flight.

WestJet, United Airlines, and Air Canada 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 78% 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 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 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 August 2026, there are 77 flights per day flying from Calgary to United States. The most common time of day flights depart is 10:00AM, with 56% of flights taking off at noon.

As of August 2026, there are 545 flights per week flying from Calgary to United States. The most common day of the week flights depart is Fri, with 21% of flights taking off on this day.