Cheap flights from Toronto Pearson Intl Airport to Boston from C$ 174

The cheapest month to fly to Boston from Toronto Pearson Intl Airport is in September. Flight prices, which tend to average around C$ 347, are often lower during this time because this is during the off-season. If you are unable to visit Boston during the month of September, then departing from Toronto Pearson Intl Airport during the month August is also very affordable. Most momondo users find prices during this month for around C$ 377.

On average, the least expensive day to fly to Boston from Toronto Pearson Intl Airport is on a Thursday. momondo users have found tickets for Thursday departures for as low as C$ 481. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Toronto Pearson Intl Airport to Boston on a Tuesday will generally be more expensive and average around C$ 1,725. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Flying to Boston from Toronto Pearson Intl Airport in the morning is the least expensive time of day to depart. momondo users have found prices as low as C$ 387 when looking at flights departing in the morning. Flights in the afternoon are often more expensive with an average ticket price of C$ 1,766.

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

You are more likely to see cheaper flights to Boston from Toronto Pearson Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Boston for around C$ 443 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Boston from Toronto Pearson Intl Airport for as low as C$ 359 on momondo.

There are 4 cabin classes available to choose from on Toronto Pearson Intl Airport to Boston flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

United Airlines and Porter Airlines are the most popular carriers operating from Toronto Pearson Intl to Boston Logan Intl

Air Canada, Porter Airlines and Air Transat are the top three most popular airlines that fly to Boston from Toronto Pearson Intl Airport according to our data. Air Canada is the first choice among our users, with 55% of people opting to fly with this airline when travelling to Boston. Keep in mind that there are 6 different airlines that fly to Boston on a routine basis, so you have a few additional options to choose from.

Historically, on average around 26% of flights between Toronto and Boston 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 at night 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, Air Canada has had the least delays on this route over the last 12 months, with about 27% of their flights experiencing any sort of delay.

As of September 2026, there are 14 flights per day flying from Toronto Pearson Intl Airport to Boston. The most common time of day flights depart is 4:00p.m., with 50% of flights taking off in the afternoon.

104 flights are operational weekly from Toronto Pearson Intl Airport to Boston as of September 2026. The most popular departure day for this route is Mon, with 17% of flights per week taking off on this day.