Cheap flights from St. John's to Ontario from C$ 163

In general, May is the cheapest month to fly from St. John's to Region of Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 410. If you are unable to visit Region of Ontario during the month of May, then departing from St. John's during the month September is also very affordable. Most momondo users find prices during this month for around C$ 417.

The cheapest day to depart from St. John's 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$ 535. The most expensive day to fly to Region of Ontario is Sunday, with ticket prices averaging around C$ 783.

Our most recent data shows that the best time of day to fly to Region of Ontario is in the evening. Flights from St. John's to Region of Ontario during this time can be as low as C$ 433. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are C$ 737 on average. Flights to Region of Ontario from St. John's in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

Fly from St John's to Toronto Pearson Intl for the best St John's - Ontario flight prices

You are more likely to see cheaper flights to Region of Ontario from St. John's when booking weeks ahead of your departure date. In general, you can expect to find flights to Region of Ontario for around C$ 463 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 St. John's for as low as C$ 374 on momondo.

There are 4 cabin classes available to choose from on St. John's 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.

Porter Airlines, Air Transat, and Air Canada are the most popular carriers operating from St John's to Ontario

Porter Airlines, Air Canada and WestJet are the top three most popular airlines that fly to Region of Ontario from St. John's according to our data. Porter Airlines is the first choice among our users, with 54% of people opting to fly with this airline when travelling to Region of Ontario. Keep in mind that there are 5 different airlines that fly to Region of Ontario on a routine basis, so you have a few additional options to choose from.

9 flights are operational daily from St. John's to Region of Ontario as of October 2026. The most popular departure time for this route is 3:00p.m., with 54% of flights per day taking off in the afternoon.

As of October 2026, 65 flights take off from St. John's and land in Region of Ontario each week. The most common flight departure day for this route is Wed, with 52% of weekly flights taking off on this day.