Cheap flights from Montreal to Lisbon from C$ 395

The month of February is, on average, the cheapest month to fly to Lisbon from Montreal, with most prices found around C$ 696. If you don’t want to visit Lisbon in February, then you should wait until January to fly from Montreal, when ticket prices are also cheap, with an average price of C$ 706.

The cheapest day to depart from Montreal 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$ 872. The most expensive day to fly to Lisbon is Thursday, with ticket prices averaging around C$ 971.

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

You are more likely to see cheaper flights to Lisbon from Montreal when booking weeks ahead of your departure date. In general, you can expect to find flights to Lisbon for around C$ 838 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Lisbon from Montreal for as low as C$ 800 on momondo.

There are 3 cabin classes available to choose from on Montreal to Lisbon Humberto Delgado 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 2% on your flight if you consider stops on a Montreal to Lisbon flight.

Air Transat is the most popular carrier operating from Montreal 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 according to our data. Air Transat is the first choice among our users, with 43% 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 123 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: 36% 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$ 579.

Flights connecting via Ponta Delgada (PDL) have the shortest average one-way travel time: 9h 35m.

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

As of April 2026, there are 3 flights per day flying from Montreal to Lisbon. The most common time of day flights depart is 9:00p.m., with 100% of flights taking off in the evening.

As of April 2026, 27 flights take off from Montreal and land in Lisbon each week. The most common flight departure day for this route is Fri, with 26% of weekly flights taking off on this day.