Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Barcelona from C$ 387

The cheapest month to fly to Barcelona-El Prat Airport from Montreal Pierre Elliott Trudeau Intl Airport is in May. Flight prices, which tend to average around C$ 797, are often lower during this time because this is during the off-season. If you are unable to visit Barcelona-El Prat Airport during the month of May, then departing from Montreal Pierre Elliott Trudeau Intl Airport during the month April is also very affordable. Most momondo users find prices during this month for around C$ 829.

The cheapest day to depart from Montreal Pierre Elliott Trudeau Intl Airport to Barcelona-El Prat Airport is on a Monday. Travellers who choose to depart for Barcelona-El Prat Airport on a Monday will often find tickets for as low as C$ 936. On the other hand, Friday is the most expensive day to depart from Montreal Pierre Elliott Trudeau Intl Airport because it is more convenient for both business and leisure travellers. As a result, prices tend to be around C$ 1,008.

Our most recent data shows that the best time of day to fly to Barcelona-El Prat Airport is in the evening. Flights from Montreal Pierre Elliott Trudeau Intl Airport to Barcelona-El Prat Airport during this time can be as low as C$ 942. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are C$ 976 on average. Flights to Barcelona-El Prat Airport from Montreal Pierre Elliott Trudeau Intl Airport in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.

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

You are more likely to see cheaper flights to Barcelona-El Prat Airport 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-El Prat Airport for around C$ 932 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Barcelona-El Prat Airport from Montreal Pierre Elliott Trudeau Intl Airport for as low as C$ 842 on momondo.

There are 3 cabin classes available to choose from on Montreal Pierre Elliott Trudeau Intl Airport to Barcelona-El Prat Airport 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 15% on your flight if you consider stops on a Montreal Pierre Elliott Trudeau Intl Airport to Barcelona-El Prat Airport flight.

As of April 2026, prices for Montreal Pierre Elliott Trudeau Intl Airport to Barcelona-El Prat Airport flights are approximately 35% more expensive when compared to flights at the same time last year.

Air Canada and Air Transat are the most popular carriers operating from Montreal Pierre Elliott Trudeau Intl to Barcelona-El Prat

Air Canada, Air Transat and Lufthansa are the top three most popular airlines that fly to Barcelona-El Prat Airport 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-El Prat Airport. Keep in mind that there are 13 different airlines that fly to Barcelona-El Prat Airport 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.

Lisbon (LIS) was the most common stop: 29% of momondo users choosing one-stop flights on this route connected there.

Flights via Lisbon (LIS) offer the lowest average round-trip price of C$ 818.

Flights connecting via Paris (CDG) have the shortest average one-way travel time: 10h 00m.

Paris (CDG) has the shortest average layover time for this route: 1h 30m.

As of April 2026, 2 flights take off from Montreal Pierre Elliott Trudeau Intl Airport and land in Barcelona-El Prat Airport 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.

The number of flights available between Montreal Pierre Elliott Trudeau Intl Airport and Barcelona-El Prat Airport is 18 per week as of April 2026. The most frequent departure day is Mon, with 17% of weekly flights leaving on this day.