Cheap flights from Boston to Toronto from C$ 131

The cheapest month to fly to Toronto Island Airport from Boston is in July. Flight prices, which tend to average around C$ 365, are often lower during this time because this is during the off-season. If you aren’t able to travel to Toronto Island Airport during the month of July, then flying in December is also cheap. Prices for this month can be found on momondo for an average of C$ 384.

On average, the least expensive day to fly to Toronto Island Airport from Boston is on a Sunday. momondo users have found tickets for Sunday departures for as low as C$ 364. However, this price may fluctuate depending on the airline, the season, and holidays. If your travel schedule is flexible, try to avoid departing on a Tuesday because tickets tend to average around C$ 495. These prices are subject to change though, so be sure to set up a Price Alert for flights to Toronto Island Airport.

Flying to Toronto Island Airport from Boston 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. In contrast, the most expensive time of day to depart to Toronto Island Airport is at noon when prices are around C$ 472.

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 C$ 452 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 C$ 340 on momondo.

There are 2 cabin classes available to choose from on Boston to Toronto Island Airport 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 Island Airport.

As of September 2026, prices for Boston to Toronto Island Airport flights are approximately 14% cheaper when compared to flights at the same time last year.

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 116 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.

Wednesday 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, Porter Airlines has had the least delays on this route over the last 12 months, with about 23% of their flights experiencing any sort of delay.

13 flights are operational daily from Boston to Toronto Island Airport as of September 2026. The most popular departure time for this route is 7:00a.m., with 53% of flights per day taking off at noon.

As of September 2026, 96 flights take off from Boston and land in Toronto Island Airport each week. The most common flight departure day for this route is Mon, with 15% of weekly flights taking off on this day.