Cheap flights from Boston to Toronto from $100

If you aren’t able to travel during the month of July, then book flights to Toronto Island Airport from Boston during December instead. Flights to Toronto Island Airport in December, while not as cheap as those in July, still average around $278.

The cheapest day to depart on your flight to Toronto Island Airport is on a Friday when prices can be found for as low as $302. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $372. These prices are subject to change though, so be sure to set up a Price Alert for flights to Toronto Island Airport.

Our data shows that the cheapest Boston to Toronto Island Airport flights are usually those with departure times in the evening. Our users have found flights to Toronto Island Airport in the evening for as low as $305. In contrast, the most expensive time of day to depart to Toronto Island Airport is at noon when prices are around $377.

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

You are more likely to see cheaper flights to Toronto Island Airport from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to Toronto Island Airport for around $309 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Toronto Island Airport from Boston for as low as $212 on momondo.

There are 3 cabin classes available to choose from on Boston Logan Intl to Toronto Island 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 14% on your flight if you consider stops on a Boston to Toronto Island Airport flight.

As of April 2026, prices for Boston to Toronto Island Airport flights are approximately 2% more expensive when compared to flights at the same time last year.

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

Porter Airlines, Air Transat and Air Canada are the top three most popular airlines that fly to Toronto Island Airport from Boston according to our data. Porter Airlines is the first choice among our users, with 94% of people opting to fly with this airline when traveling to Toronto Island Airport. Keep in mind that there are 3 different airlines that fly to Toronto Island Airport on a routine basis, so you have a few additional options to choose from.

Historically, on average around 21% 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 118 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. Monday 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 21% of their flights experiencing any sort of delay.

As of April 2026, there are 7 flights per day flying from Boston to Toronto Island Airport. The most common time of day flights depart is 7:00AM, with 52% of flights taking off at noon.

52 flights are operational weekly from Boston to Toronto Island Airport as of April 2026. The most popular departure day for this route is Mon, with 15% of flights per week taking off on this day.