Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to St. John's from C$ 191

In general, October is the cheapest month to fly from Montreal Pierre Elliott Trudeau Intl Airport to St. John's. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 511. If you’re not able to fly to St. John's in October, then September is your next best option. Flight prices from Montreal Pierre Elliott Trudeau Intl Airport to St. John's during September average around C$ 578.

On average, the least expensive day to fly to St. John's from Montreal Pierre Elliott Trudeau Intl Airport is on a Friday. momondo users have found tickets for Friday departures for as low as C$ 526. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to St. John's on Sunday is C$ 635.

The cheapest time of day to fly to St. John's is in the afternoon when flights can be purchased for as low as C$ 463. Flights at noon are often more expensive with an average ticket price of C$ 696.

Fly from Montreal Pierre Elliott Trudeau Intl to St John's for the best Montreal Pierre Elliott Trudeau Intl - St John's flight prices

You are more likely to see cheaper flights to St. John's from Montreal Pierre Elliott Trudeau Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to St. John's for around C$ 685 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 Montreal Pierre Elliott Trudeau Intl Airport for as low as C$ 474 on momondo.

There are 3 cabin classes available to choose from on Montreal Pierre Elliott Trudeau Intl Airport 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.

You could potentially save up to 23% on your flight if you consider stops on a Montreal Pierre Elliott Trudeau Intl Airport to St. John's flight.

As of September 2026, prices for Montreal Pierre Elliott Trudeau Intl Airport to St. John's flights are approximately 14% more expensive when compared to flights at the same time last year.

As of September 2026, there are 3 flights per day flying from Montreal Pierre Elliott Trudeau Intl Airport to St. John's. The most common time of day flights depart is 1:00p.m., with 45% of flights taking off in the afternoon.

The number of flights available between Montreal Pierre Elliott Trudeau Intl Airport and St. John's is 25 per week as of September 2026. The most frequent departure day is Sun, with 36% of weekly flights leaving on this day.