Cheap flights from Boston to Canada from C$ 109

In general, July is the cheapest month to fly from Boston to Canada. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 515. If you’re not able to fly to Canada in July, then May is your next best option. Flight prices from Boston to Canada during May average around C$ 520.

Our data shows that Sunday is the least expensive day to fly to Canada. Tickets to fly out on this day can be as low as C$ 362. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around C$ 504. These prices are subject to change though, so be sure to set up a Price Alert for flights to Canada.

According to our data, the cheapest time of day to fly to Canada is in the morning. momondo users have found flights departing from Boston to Canada in the morning for as low as C$ 418. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the afternoon is when there is more demand to fly to Canada, so prices are often more expensive at around C$ 530 per ticket.

Fly from Boston Logan Intl to Montreal Pierre Elliott Trudeau Intl for the best Boston Logan Intl - Canada flight prices

You are more likely to see cheaper flights to Canada from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to Canada for around C$ 521 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Canada from Boston for as low as C$ 386 on momondo.

There are 2 cabin classes available to choose from on Boston to Canada flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

Porter Airlines, Air Canada and WestJet are the top three most popular airlines that fly to Canada from Boston according to our data. Porter Airlines is the first choice among our users, with 49% of people opting to fly with this airline when travelling to Canada. Keep in mind that there are 4 different airlines that fly to Canada on a routine basis, so you have a few additional options to choose from.

Historically, on average around 23% of flights between Boston and Canada have experienced a delay on any given week. The average delay length over the past 12 months has been 126 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.

Tuesday 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, Porter Airlines has had the least delays on this route over the last 12 months, with about 23% of their flights experiencing any sort of delay.

The number of flights available between Boston and Canada is 39 per day as of September 2026. The most frequent departure time is 6:00p.m., with 36% of daily flights leaving in the evening.

As of September 2026, there are 275 flights per week flying from Boston to Canada. The most common day of the week flights depart is Wed, with 19% of flights taking off on this day.