Cheap flights from Boston to Calgary from C$ 127

The cheapest month to fly to Calgary from Boston is in May. Flight prices, which tend to average around C$ 408, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of May, then book flights to Calgary from Boston during September instead. Flights to Calgary in September, while not as cheap as those in May, still average around C$ 443.

The cheapest day to depart on your flight to Calgary is on a Wednesday when prices can be found for as low as C$ 287. This is often the case because there is less demand to fly during this day of the week. On the other hand, Friday is the most expensive day to depart from Boston because it is more convenient for both business and leisure travellers. As a result, prices tend to be around C$ 482.

Our data shows that the cheapest Boston to Calgary flights are usually those with departure times in the morning. Our users have found flights to Calgary in the morning for as low as C$ 386. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are C$ 457 on average. Flights to Calgary from Boston in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.

Fly from Boston Logan Intl to Calgary for the best Boston Logan Intl - Calgary flight prices

You are more likely to see cheaper flights to Calgary from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to Calgary for around C$ 569 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Calgary from Boston for as low as C$ 411 on momondo.

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

No. A direct flight is the cheapest option for a flight between Boston to Calgary.

As of May 2026, prices for Boston to Calgary flights are approximately 6% more expensive when compared to flights at the same time last year.

United Airlines, Delta, and Air Canada are the most popular carriers operating from Boston Logan Intl to Calgary

WestJet, Air Canada and Porter Airlines are the top three most popular airlines that fly to Calgary from Boston according to our data. WestJet is the first choice among our users, with 54% of people opting to fly with this airline when travelling to Calgary. Keep in mind that there are 3 different airlines that fly to Calgary on a routine basis, so you have a few additional options to choose from.

2 flights are operational daily from Boston to Calgary as of May 2026. The most popular departure time for this route is 6:00p.m., with 100% of flights per day taking off in the evening.

As of May 2026, there are 16 flights per week flying from Boston to Calgary. The most common day of the week flights depart is Tue, with 25% of flights taking off on this day.