Cheap flights from Boston to Toronto from $93

The month of July is, on average, the cheapest month to fly to Toronto from Boston, with most prices found around $287. If you are unable to visit Toronto during the month of July, then departing from Boston during the month August is also very affordable. Most momondo users find prices during this month for around $318.

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 $396. 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 $539.

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 $382. 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 $510. 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 $276 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.

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

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

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

Porter Airlines, Air Canada and United Airlines are the top three most popular airlines that fly to Toronto from Boston according to our data. Porter Airlines is the first choice among our users, with 50% of people opting to fly with this airline when traveling to Toronto. Keep in mind that there are 7 different airlines that fly to Toronto on a routine basis, so you have a few additional options to choose from.

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 126 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.

Tuesday 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 23% of their flights experiencing any sort of delay.

As of October 2026, there are 21 flights per day flying from Boston to Toronto. The most common time of day flights depart is 7:00PM, with 49% of flights taking off at noon.

147 flights are operational weekly from Boston to Toronto as of October 2026. The most popular departure day for this route is Mon, with 18% of flights per week taking off on this day.