Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Ontario from C$ 117

In general, January is the cheapest month to fly from Montreal Pierre Elliott Trudeau Intl Airport to Region of Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 361. If you are unable to visit Region of Ontario during the month of January, then departing from Montreal Pierre Elliott Trudeau Intl Airport during the month June is also very affordable. Most momondo users find prices during this month for around C$ 374.

The cheapest day to depart from Montreal Pierre Elliott Trudeau Intl Airport to Region of Ontario is on a Friday. Travellers who choose to depart for Region of Ontario on a Friday will often find tickets for as low as C$ 683. The most expensive day to fly to Region of Ontario is Saturday, with ticket prices averaging around C$ 739.

Our most recent data shows that the best time of day to fly to Region of Ontario is in the morning. Flights from Montreal Pierre Elliott Trudeau Intl Airport to Region of Ontario during this time can be as low as C$ 646. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are C$ 887 on average. Flights to Region of Ontario from Montreal Pierre Elliott Trudeau Intl Airport in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.

Fly from Montreal Pierre Elliott Trudeau Intl to Toronto Island for the best Montreal Pierre Elliott Trudeau Intl - Ontario flight prices

You are more likely to see cheaper flights to Region of Ontario from Montreal Pierre Elliott Trudeau Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Region of Ontario for around C$ 384 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 Montreal Pierre Elliott Trudeau Intl Airport for as low as C$ 186 on momondo.

There are 4 cabin classes available to choose from on Montreal Pierre Elliott Trudeau Intl Airport 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.

Air Canada, WestJet, and Porter Airlines are the most popular carriers operating from Montreal Pierre Elliott Trudeau Intl to Ontario

WestJet, Porter Airlines and Air Canada are the top three most popular airlines that fly to Region of Ontario from Montreal Pierre Elliott Trudeau Intl Airport according to our data. WestJet is the first choice among our users, with 38% of people opting to fly with this airline when travelling to Region of Ontario. Keep in mind that there are 4 different airlines that fly to Region of Ontario on a routine basis, so you have a few additional options to choose from.

As of October 2026, there are 43 flights per day flying from Montreal Pierre Elliott Trudeau Intl Airport to Region of Ontario. The most common time of day flights depart is 6:00a.m., with 39% of flights taking off at noon.

As of October 2026, 306 flights take off from Montreal Pierre Elliott Trudeau Intl Airport and land in Region of Ontario each week. The most common flight departure day for this route is Wed, with 41% of weekly flights taking off on this day.