Cheap flights from Toronto to Boston from C$ 173

The cheapest month to fly to Boston from Toronto is in September. Flight prices, which tend to average around C$ 358, 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 during the month August is also very affordable. Most momondo users find prices during this month for around C$ 365.

On average, the least expensive day to fly to Boston from Toronto 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 to Boston on a Tuesday will generally be more expensive and average around C$ 1,726. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Flying to Boston from Toronto in the morning is the least expensive time of day to depart. momondo users have found prices as low as C$ 388 when looking at flights departing in the morning. Flights in the afternoon are often more expensive with an average ticket price of C$ 1,767.

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

You are more likely to see cheaper flights to Boston from Toronto 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 for as low as C$ 359 on momondo.

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

No. A direct flight is the cheapest option for a flight between Toronto to Boston.

As of September 2026, prices for Toronto to Boston flights are approximately 15% cheaper when compared to flights at the same time last year.

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

Air Canada, Porter Airlines and Air Transat are the top three most popular airlines that fly to Boston from Toronto according to our data. Air Canada is the first choice among our users, with 49% 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 24% 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 119 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. Sunday 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 21% of their flights experiencing any sort of delay.

12 flights are operational daily from Toronto to Boston as of September 2026. The most popular departure time for this route is 7:00a.m., with 50% of flights per day taking off in the afternoon.

The number of flights available between Toronto and Boston is 89 per week as of September 2026. The most frequent departure day is Mon, with 37% of weekly flights leaving on this day.