Cheap flights from Boston to Toronto from C$ 155

If you aren’t able to travel during the month of May, then book flights to Toronto Pearson Intl Airport from Boston during September instead. Flights to Toronto Pearson Intl Airport in September, while not as cheap as those in May, still average around C$ 438.

Our data shows that Sunday is the least expensive day to fly to Toronto Pearson Intl Airport. Tickets to fly out on this day can be as low as C$ 319. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Boston to Toronto Pearson Intl Airport for around C$ 646.

Our data shows that the cheapest Boston to Toronto Pearson Intl Airport flights are usually those with departure times in the evening. Our users have found flights to Toronto Pearson Intl Airport in the evening for as low as C$ 376. If you have a flexible travel schedule, then try to avoid flying at noon when prices are C$ 1,059 on average. Flights to Toronto Pearson Intl Airport from Boston at noon are generally more expensive because this time of day is more convenient for travellers’ schedules.

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 C$ 519 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 C$ 389 on momondo.

There are 3 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.

Historically, on average around 24% 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 139 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, Air Canada has had the least delays on this route over the last 12 months, with about 23% of their flights experiencing any sort of delay.

16 flights are operational daily from Boston to Toronto Pearson Intl Airport as of June 2026. The most popular departure time for this route is 10:00a.m., with 37% of flights per day taking off in the afternoon.

As of June 2026, there are 115 flights per week flying from Boston to Toronto Pearson Intl Airport. The most common day of the week flights depart is Fri, with 17% of flights taking off on this day.