Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Lisbon from C$ 384

The month of January is, on average, the cheapest month to fly to Lisbon from Montreal Pierre Elliott Trudeau Intl Airport, with most prices found around C$ 709. If you don’t want to visit Lisbon in January, then you should wait until February to fly from Montreal Pierre Elliott Trudeau Intl Airport, when ticket prices are also cheap, with an average price of C$ 719.

The cheapest day to depart from Montreal Pierre Elliott Trudeau Intl Airport to Lisbon is on a Wednesday. Travellers who choose to depart for Lisbon on a Wednesday will often find tickets for as low as C$ 896. The most expensive day to fly to Lisbon is Thursday, with ticket prices averaging around C$ 1,029.

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

You are more likely to see cheaper flights to Lisbon from Montreal Pierre Elliott Trudeau Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Lisbon for around C$ 863 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Lisbon from Montreal Pierre Elliott Trudeau Intl Airport for as low as C$ 790 on momondo.

There are 3 cabin classes available to choose from on Montreal Pierre Elliott Trudeau Intl Airport to Lisbon flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

As of June 2026, prices for Montreal Pierre Elliott Trudeau Intl Airport to Lisbon flights are approximately 4% more expensive when compared to flights at the same time last year.

Air Transat and Porter Airlines are the most popular carriers operating from Montreal Pierre Elliott Trudeau Intl to Lisbon Humberto Delgado

Air Transat, TAP AIR PORTUGAL and Air Canada are the top three most popular airlines that fly to Lisbon from Montreal Pierre Elliott Trudeau Intl Airport according to our data. Air Transat is the first choice among our users, with 45% of people opting to fly with this airline when travelling to Lisbon. Keep in mind that there are 12 different airlines that fly to Lisbon on a routine basis, so you have a few additional options to choose from.

Historically, on average around 26% of flights between Montreal and Lisbon have experienced a delay on any given week. The average delay length over the past 12 months has been 124 minutes.

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

Thursday 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 16% of their flights experiencing any sort of delay.

Toronto (YYZ) was the most common stop: 53% of momondo users choosing one-stop flights on this route connected there.

Flights via London (LHR) offer the lowest average round-trip price of C$ 566.

Flights connecting via Ponta Delgada (PDL) have the shortest average one-way travel time: 9h 36m.

Paris (CDG) has the shortest average layover time for this route: 1h 28m.

As of June 2026, 4 flights take off from Montreal Pierre Elliott Trudeau Intl Airport and land in Lisbon each day. The most common flight departure time for this route is 9:00p.m., with 100% of daily flights taking off in the evening.

The number of flights available between Montreal Pierre Elliott Trudeau Intl Airport and Lisbon is 33 per week as of June 2026. The most frequent departure day is Fri, with 21% of weekly flights leaving on this day.