Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Barcelona from C$ 367

The cheapest month to fly to Barcelona from Montreal Pierre Elliott Trudeau Intl Airport is in March. Flight prices, which tend to average around C$ 365, are often lower during this time because this is during the off-season. If you’re not able to fly to Barcelona in March, then April is your next best option. Flight prices from Montreal Pierre Elliott Trudeau Intl Airport to Barcelona during April average around C$ 406.

According to our data, Sunday is the cheapest day to fly to Barcelona from Montreal Pierre Elliott Trudeau Intl Airport. The lowest ticket price found for a Sunday departure recently was C$ 938. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Montreal Pierre Elliott Trudeau Intl Airport to Barcelona for around C$ 1,008.

Our most recent data shows that the best time of day to fly to Barcelona is in the evening. Flights from Montreal Pierre Elliott Trudeau Intl Airport to Barcelona during this time can be as low as C$ 944. Try not to purchase tickets in the afternoon because they tend to be around C$ 975. Of course, these prices can vary depending on the time of year and what airport you fly to.

Fly from Montreal Pierre Elliott Trudeau Intl to Barcelona-El Prat for the best Montreal Pierre Elliott Trudeau Intl - Barcelona flight prices

You are more likely to see cheaper flights to Barcelona from Montreal Pierre Elliott Trudeau Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Barcelona for around C$ 933 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Barcelona from Montreal Pierre Elliott Trudeau Intl Airport for as low as C$ 854 on momondo.

Air Transat is the most popular carrier operating from Montreal Pierre Elliott Trudeau Intl to Barcelona

Air Canada, Air Transat and Lufthansa are the top three most popular airlines that fly to Barcelona from Montreal Pierre Elliott Trudeau Intl Airport according to our data. Air Canada is the first choice among our users, with 48% of people opting to fly with this airline when travelling to Barcelona. Keep in mind that there are 12 different airlines that fly to Barcelona on a routine basis, so you have a few additional options to choose from.

Historically, on average around 12% of flights between Montreal and Barcelona have experienced a delay on any given week. The average delay length over the past 12 months has been 158 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.

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 Transat has had the least delays on this route over the last 12 months, with about 6% of their flights experiencing any sort of delay.

As of May 2026, 5 flights take off from Montreal Pierre Elliott Trudeau Intl Airport and land in Barcelona each day. The most common flight departure time for this route is 6:00p.m., with 100% of daily flights taking off in the evening.

As of May 2026, there are 35 flights per week flying from Montreal Pierre Elliott Trudeau Intl Airport to Barcelona. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.