Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Lisbon from $300

In general, January is the cheapest month to fly from Montreal Pierre Elliott Trudeau Intl Airport to Lisbon. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $507. If you are unable to visit Lisbon during the month of January, then departing from Montreal Pierre Elliott Trudeau Intl Airport during the month February is also very affordable. Most momondo users find prices during this month for around $514.

Our data shows that Monday is the least expensive day to fly to Lisbon. Tickets to fly out on this day can be as low as $688. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Montreal Pierre Elliott Trudeau Intl Airport to Lisbon for around $764.

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 $616 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 $565 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.

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

Air Transat is the most popular carrier 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 46% of people opting to fly with this airline when traveling to Lisbon. Keep in mind that there are 6 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 in the morning have, in the past, seen delays more frequently in comparison.

Thursday is statistically the day of the week which experiences the fewest number of 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 have had the least number of delays on this route over the last 12 months; with about 16% of their flights experiencing any sort of delay.

Casablanca (CMN) was the most common stop: 33% of momondo users choosing 1-stop flights on this route connected there.

Flights via London (LHR) offer the lowest average round-trip price of $530.

Flights connecting via Ponta Delgada (PDL) have the shortest average one-way travel time: 9h 28m.

Paris (CDG) has the shortest average layover time for this route: 1h 20m.

4 flights are operational daily from Montreal Pierre Elliott Trudeau Intl Airport to Lisbon as of June 2026. The most popular departure time for this route is 9:00PM, with 100% of flights per day taking off in the evening.

As of June 2026, 33 flights take off from Montreal Pierre Elliott Trudeau Intl Airport and land in Lisbon each week. The most common flight departure day for this route is Fri, with 21% of weekly flights taking off on this day.