Cheap flights from Ontario to Boston from $139

In general, October is the cheapest month to fly from Region of Ontario to Boston. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $244. If you aren’t able to travel during the month of October, then book flights to Boston from Region of Ontario during March instead. Flights to Boston in March, while not as cheap as those in October, still average around $245.

The cheapest day to depart from Region of Ontario to Boston is on a Thursday when prices can be found for as low as $259. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to Boston on Monday is $436.

According to our data, the cheapest time of day to fly to Boston is in the morning. momondo users have found flights departing from Region of Ontario to Boston in the morning for as low as $285. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the afternoon is when there is more demand to fly to Boston, so prices are often more expensive at around $518 per ticket.

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

You are more likely to see cheaper flights to Boston from Region of Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to Boston for around $311 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Boston from Region of Ontario for as low as $265 on momondo.

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

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

Air Canada, Porter Airlines and United Airlines are the top three most popular airlines that fly to Boston from Region of Ontario according to our data. Air Canada is the first choice among our users, with 63% of people opting to fly with this airline when traveling to Boston. Keep in mind that there are 3 different airlines that fly to Boston on a routine basis, so you have a few additional options to choose from.

22 flights are operational daily from Region of Ontario to Boston as of February 2026. The most popular departure time for this route is 4:00PM, with 47% of flights per day taking off in the afternoon.

As of February 2026, there are 160 flights per week flying from Region of Ontario to Boston. The most common day of the week flights depart is Mon, with 16% of flights taking off on this day.