Cheap flights from Boston to Calgary from C$ 140

The cheapest month to fly to Calgary from Boston is in May. Flight prices, which tend to average around C$ 415, 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 October instead. Flights to Calgary in October, while not as cheap as those in May, still average around C$ 494.

The cheapest day to depart on your flight to Calgary is on a Wednesday when prices can be found for as low as C$ 289. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday 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$ 1,199.

Our data shows that the cheapest Boston to Calgary flights are usually those with departure times in the afternoon. Our users have found flights to Calgary in the afternoon for as low as C$ 401. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are C$ 418 on average. Flights to Calgary from Boston in the morning 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$ 603 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$ 442 on momondo.

There is only 1 cabin class 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 August 2026, prices for Boston to Calgary flights are approximately 40% cheaper when compared to flights at the same time last year.

2 flights are operational daily from Boston to Calgary as of August 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 August 2026, there are 20 flights per week flying from Boston to Calgary. The most common day of the week flights depart is Mon, with 20% of flights taking off on this day.