Cheap flights from Boston to Canada from C$ 139

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$ 481. If you’re not able to fly to Canada in July, then September is your next best option. Flight prices from Boston to Canada during September average around C$ 491.

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$ 367. If your travel schedule is flexible, try to avoid departing on a Tuesday because tickets tend to average around C$ 656. 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 evening. momondo users have found flights departing from Boston to Canada in the evening for as low as C$ 415. 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$ 584 per ticket.

Fly from Boston Logan Intl to Toronto Island 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$ 525 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$ 402 on momondo.

There are 3 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, United Airlines, and Porter 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 43% 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 128 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the evening have, in the past, seen delays more frequently in comparison.

Saturday 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 22% of their flights experiencing any sort of delay.

The number of flights available between Boston and Canada is 40 per day as of June 2026. The most frequent departure time is 6:00p.m., with 35% of daily flights leaving in the evening.

As of June 2026, there are 280 flights per week flying from Boston to Canada. The most common day of the week flights depart is Sun, with 19% of flights taking off on this day.