Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Porto from C$ 369

In general, January is the cheapest month to fly from Montreal Pierre Elliott Trudeau Intl Airport to Porto. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 725. If you’re not able to fly to Porto in January, then March is your next best option. Flight prices from Montreal Pierre Elliott Trudeau Intl Airport to Porto during March average around C$ 768.

The cheapest day to depart from Montreal Pierre Elliott Trudeau Intl Airport to Porto is on a Sunday. Travellers who choose to depart for Porto on a Sunday will often find tickets for as low as C$ 845. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around C$ 982. These prices are subject to change though, so be sure to set up a Price Alert for flights to Porto.

Fly from Montreal Pierre Elliott Trudeau Intl to Porto for the best Montreal Pierre Elliott Trudeau Intl - Porto flight prices

You are more likely to see cheaper flights to Porto from Montreal Pierre Elliott Trudeau Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Porto for around C$ 885 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Porto from Montreal Pierre Elliott Trudeau Intl Airport for as low as C$ 847 on momondo.

There are 2 cabin classes available to choose from on Montreal Pierre Elliott Trudeau Intl Airport to Porto flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

No. A direct flight is the cheapest option for a flight between Montreal Pierre Elliott Trudeau Intl Airport to Porto.

Porter Airlines is the most popular carrier operating from Montreal Pierre Elliott Trudeau Intl to Porto

Air Transat, Air Canada and Porter Airlines are the top three most popular airlines that fly to Porto from Montreal Pierre Elliott Trudeau Intl Airport according to our data. Air Transat is the first choice among our users, with 59% of people opting to fly with this airline when travelling to Porto. Keep in mind that there are 6 different airlines that fly to Porto on a routine basis, so you have a few additional options to choose from.

Historically, on average around 38% of flights between Montreal and Porto have experienced a delay on any given week. The average delay length over the past 12 months has been 138 minutes.

Generally, flights departing at night tend to experience fewer delays. Flights departing in the evening have, in the past, seen delays more frequently in comparison.

Wednesday is statistically the day of the week that experiences the fewest delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

According to our data, Air Canada has had the least delays on this route over the last 12 months, with about 35% of their flights experiencing any sort of delay.

Toronto (YYZ) was the most common stop: 65% of momondo users choosing one-stop flights on this route connected there.

Flights via Lisbon (LIS) offer the lowest average round-trip price of C$ 819.

Flights connecting via Paris (CDG) have the shortest average one-way travel time: 10h 30m.

Paris (CDG) has the shortest average layover time for this route: 1h 09m.

1 flights are operational daily from Montreal Pierre Elliott Trudeau Intl Airport to Porto as of September 2026. The most popular departure time for this route is 7:00p.m., with 100% of flights per day taking off in the evening.

As of September 2026, there are 12 flights per week flying from Montreal Pierre Elliott Trudeau Intl Airport to Porto. The most common day of the week flights depart is Mon, with 42% of flights taking off on this day.