Cheap flights from Montreal to Porto from C$ 368

In general, January is the cheapest month to fly from Montreal to Porto. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 722. If you’re not able to fly to Porto in January, then October is your next best option. Flight prices from Montreal to Porto during October average around C$ 768.

The cheapest day to depart from Montreal 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$ 841. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around C$ 977. 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 - Porto flight prices

You are more likely to see cheaper flights to Porto from Montreal when booking weeks ahead of your departure date. In general, you can expect to find flights to Porto for around C$ 881 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Porto from Montreal for as low as C$ 843 on momondo.

There are 2 cabin classes available to choose from on Montreal 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 to Porto.

Porter Airlines, Azores Airlines, and Lufthansa are the most popular carriers operating from Montreal to Porto

Air Transat, Air Canada and Porter Airlines are the top three most popular airlines that fly to Porto from Montreal 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 7 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: 46% 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$ 624.

Flights connecting via Ponta Delgada (PDL) have the shortest average one-way travel time: 10h 25m.

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

As of September 2026, there are 2 flights per day flying from Montreal to Porto. The most common time of day flights depart is 7:00p.m., with 100% of flights taking off in the evening.

As of September 2026, 14 flights take off from Montreal and land in Porto each week. The most common flight departure day for this route is Sat, with 36% of weekly flights taking off on this day.