Cheap flights from Portugal to Montreal from C$ 365

The cheapest month to fly to Montreal from Portugal is in September. Flight prices, which tend to average around C$ 452, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of September, then book flights to Montreal from Portugal during August instead. Flights to Montreal in August, while not as cheap as those in September, still average around C$ 492.

Our data shows that Friday is the least expensive day to fly to Montreal. Tickets to fly out on this day can be as low as C$ 746. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Portugal to Montreal for around C$ 1,035.

Our data shows that the cheapest Portugal to Montreal flights are usually those with departure times in the afternoon. Our users have found flights to Montreal in the afternoon for as low as C$ 740. Flights in the morning are often more expensive with an average ticket price of C$ 946.

Fly from Lisbon Humberto Delgado to Montreal Pierre Elliott Trudeau Intl for the best Portugal - Montreal flight prices

You are more likely to see cheaper flights to Montreal from Portugal when booking weeks ahead of your departure date. In general, you can expect to find flights to Montreal for around C$ 890 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Montreal from Portugal for as low as C$ 655 on momondo.

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

Iberia, Air Transat, and TAP AIR PORTUGAL are the most popular carriers operating from Portugal to Montreal

Air Transat, Air Canada and TAP AIR PORTUGAL are the top three most popular airlines that fly to Montreal from Portugal according to our data. Air Transat is the first choice among our users, with 37% of people opting to fly with this airline when travelling to Montreal. Keep in mind that there are 4 different airlines that fly to Montreal on a routine basis, so you have a few additional options to choose from.

Historically, on average around 25% of flights between Portugal and Montreal have experienced a delay on any given week. The average delay length over the past 12 months has been 114 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.

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Thursday 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 20% of their flights experiencing any sort of delay.

6 flights are operational daily from Portugal to Montreal as of July 2026. The most popular departure time for this route is 11:00a.m., with 75% of flights per day taking off at noon.

42 flights are operational weekly from Portugal to Montreal as of July 2026. The most popular departure day for this route is Tue, with 24% of flights per week taking off on this day.