Cheap flights from Saint John to Ontario from C$ 116

In general, September is the cheapest month to fly from Saint John to Region of Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 313. If you are unable to visit Region of Ontario during the month of September, then departing from Saint John during the month October is also very affordable. Most momondo users find prices during this month for around C$ 354.

The cheapest day to depart from Saint John 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$ 532. The most expensive day to fly to Region of Ontario is Tuesday, 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 Saint John to Region of Ontario during this time can be as low as C$ 509. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are C$ 626 on average. Flights to Region of Ontario from Saint John in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

Fly from Saint John to Toronto Pearson Intl for the best Saint John - Ontario flight prices

You are more likely to see cheaper flights to Region of Ontario from Saint John when booking weeks ahead of your departure date. In general, you can expect to find flights to Region of Ontario for around C$ 450 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 Saint John for as low as C$ 341 on momondo.

There are 4 cabin classes available to choose from on Saint John 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.

Flair Airlines and Air Canada are the most popular carriers operating from Saint John to Ontario

Air Canada, Porter Airlines and Flair Airlines are the top three most popular airlines that fly to Region of Ontario from Saint John according to our data. Air Canada is the first choice among our users, with 52% 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 August 2026, 6 flights take off from Saint John and land in Region of Ontario each day. The most common flight departure time for this route is 5:00a.m., with 54% of daily flights taking off in the morning.

As of August 2026, 45 flights take off from Saint John and land in Region of Ontario each week. The most common flight departure day for this route is Wed, with 18% of weekly flights taking off on this day.