Cheap flights from Boston to Toronto from $122

The cheapest month to fly to Toronto Pearson Intl Airport from Boston is in May. Flight prices, which tend to average around $291, are often lower during this time because this is during the off-season. If you don’t want to visit Toronto Pearson Intl Airport in May, then you should wait until July to fly from Boston, when ticket prices are also cheap, with an average price of $303.

The cheapest day to depart from Boston to Toronto Pearson Intl Airport is on a Thursday when prices can be found for as low as $464. The most expensive day to fly to Toronto Pearson Intl Airport is Monday, with ticket prices averaging around $635.

Flying to Toronto Pearson Intl Airport from Boston in the evening is the least expensive time of day to depart. momondo users have found prices as low as $406 when looking at flights departing in the evening. Flights in the afternoon are often more expensive with an average ticket price of $611.

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

You are more likely to see cheaper flights to Toronto Pearson Intl Airport from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to Toronto Pearson Intl Airport for around $369 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Toronto Pearson Intl Airport from Boston for as low as $276 on momondo.

There are 4 cabin classes available to choose from on Boston to Toronto Pearson Intl Airport 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 28% on your flight if you consider stops on a Boston to Toronto Pearson Intl Airport flight.

As of November 2026, prices for Boston to Toronto Pearson Intl Airport flights are approximately 27% cheaper when compared to flights at the same time last year.

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

Air Canada, Porter Airlines and United Airlines are the top three most popular airlines that fly to Toronto Pearson Intl Airport from Boston according to our data. Air Canada is the first choice among our users, with 54% of people opting to fly with this airline when traveling to Toronto Pearson Intl Airport. Keep in mind that there are 8 different airlines that fly to Toronto Pearson Intl Airport on a routine basis, so you have a few additional options to choose from.

Historically, on average around 23% of flights between Boston and Toronto have experienced a delay on any given week. The average delay length over the past 12 months has been 134 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.

Saturday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

According to our data, Air Canada have had the least number of delays on this route over the last 12 months; with about 22% of their flights experiencing any sort of delay.

As of November 2026, there are 9 flights per day flying from Boston to Toronto Pearson Intl Airport. The most common time of day flights depart is 7:00PM, with 32% of flights taking off in the evening.

65 flights are operational weekly from Boston to Toronto Pearson Intl Airport as of November 2026. The most popular departure day for this route is Sun, with 25% of flights per week taking off on this day.