Cheap flights from Boston to Ontario from C$ 129

In general, September is the cheapest month to fly from Boston to Region of Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 394. If you are unable to visit Region of Ontario during the month of September, then departing from Boston during the month July is also very affordable. Most momondo users find prices during this month for around C$ 407.

The cheapest day to depart from Boston to Region of Ontario is on a Sunday. Travellers who choose to depart for Region of Ontario on a Sunday will often find tickets for as low as C$ 359. The most expensive day to fly to Region of Ontario is Wednesday, with ticket prices averaging around C$ 476.

Our most recent data shows that the best time of day to fly to Region of Ontario is in the morning. Flights from Boston to Region of Ontario during this time can be as low as C$ 408. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are C$ 531 on average. Flights to Region of Ontario from Boston in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.

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

You are more likely to see cheaper flights to Region of Ontario from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to Region of Ontario for around C$ 514 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Region of Ontario from Boston for as low as C$ 383 on momondo.

There are 2 cabin classes available to choose from on Boston to Region of Ontario flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

As of September 2026, 41 flights take off from Boston and land in Region of Ontario each day. The most common flight departure time for this route is 7:00p.m., with 42% of daily flights taking off in the afternoon.

As of September 2026, there are 288 flights per week flying from Boston to Region of Ontario. The most common day of the week flights depart is Sun, with 17% of flights taking off on this day.