Cheap flights from Boston to Toronto from $111

The month of February is, on average, the cheapest month to fly to Toronto from Boston, with most prices found around $91. If you are unable to visit Toronto during the month of February, then departing from Boston during the month March is also very affordable. Most momondo users find prices during this month for around $96.

On average, the least expensive day to fly to Toronto from Boston is on a Friday. momondo users have found tickets for Friday departures for as low as $383. However, this price may fluctuate depending on the airline, the season, and holidays. The most expensive day to fly to Toronto is Monday, with ticket prices averaging around $556.

In the evening is the cheapest time of day to fly from Boston to Toronto when you can find flight prices for as low as $385. Flying to Toronto in the evening is an ideal time because this is during off-peak travel hours. Flights to Toronto are more costly in the afternoon, with an average ticket price of $495. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

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

You are more likely to see cheaper flights to Toronto from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to Toronto for around $371 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Toronto from Boston for as low as $278 on momondo.

There are 4 cabin classes available to choose from on Boston to Toronto 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 18% on your flight if you consider stops on a Boston to Toronto flight.

As of June 2026, prices for Boston to Toronto flights are approximately 6% more expensive when compared to flights at the same time last year.

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

Air Canada, Porter Airlines and United Airlines are the top three most popular airlines that fly to Toronto from Boston according to our data. Air Canada is the first choice among our users, with 56% of people opting to fly with this airline when traveling to Toronto. Keep in mind that there are 6 different airlines that fly to Toronto 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 129 minutes.

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

Wednesday is statistically the day of the week which experiences the fewest number of 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 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 June 2026, there are 24 flights per day flying from Boston to Toronto. The most common time of day flights depart is 5:00PM, with 35% of flights taking off at noon.

169 flights are operational weekly from Boston to Toronto as of June 2026. The most popular departure day for this route is Fri, with 17% of flights per week taking off on this day.