Cheap flights from Ontario to St. John's from C$ 100

In general, October is the cheapest month to fly from Region of Ontario to St. John's. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 344. If you’re not able to fly to St. John's in October, then May is your next best option. Flight prices from Region of Ontario to St. John's during May average around C$ 408.

On average, the least expensive day to fly to St. John's from Region of Ontario is on a Friday. momondo users have found tickets for Friday departures for as low as C$ 445. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to St. John's on Saturday is C$ 543.

The cheapest time of day to fly to St. John's is in the evening when flights can be purchased for as low as C$ 445. Flights at noon are often more expensive with an average ticket price of C$ 533.

Fly from Hamilton to St John's for the best Ontario - St John's flight prices

You are more likely to see cheaper flights to St. John's from Region of Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to St. John's for around C$ 471 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to St. John's from Region of Ontario for as low as C$ 351 on momondo.

There are 3 cabin classes available to choose from on Region of Ontario to St. John's 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 Flair Airlines are the most popular carriers operating from Ontario to St John's

Porter Airlines, Air Canada and WestJet are the top three most popular airlines that fly to St. John's from Region of Ontario 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 St. John's. Keep in mind that there are 5 different airlines that fly to St. John's on a routine basis, so you have a few additional options to choose from.

The number of flights available between Region of Ontario and St. John's is 29 per day as of August 2026. The most frequent departure time is 6:00p.m., with 59% of daily flights leaving in the evening.

As of August 2026, 205 flights take off from Region of Ontario and land in St. John's each week. The most common flight departure day for this route is Mon, with 26% of weekly flights taking off on this day.