Cheap flights from Montreal to Barcelona from C$ 399

The cheapest month to fly to Barcelona-El Prat Airport from Montreal is in May. Flight prices, which tend to average around C$ 818, 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 during the month April is also very affordable. Most momondo users find prices during this month for around C$ 825.

The cheapest day to depart from Montreal 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$ 897. On the other hand, Friday is the most expensive day to depart from Montreal because it is more convenient for both business and leisure travellers. As a result, prices tend to be around C$ 1,044.

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 to Barcelona-El Prat Airport during this time can be as low as C$ 951. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are C$ 979 on average. Flights to Barcelona-El Prat Airport from Montreal 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 - Barcelona-El Prat flight prices

You are more likely to see cheaper flights to Barcelona-El Prat Airport from Montreal when booking weeks ahead of your departure date. In general, you can expect to find flights to Barcelona-El Prat Airport for around C$ 960 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 for as low as C$ 843 on momondo.

There are 3 cabin classes available to choose from on Montreal 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.

No. A direct flight is the cheapest option for a flight between Montreal to Barcelona-El Prat Airport.

As of August 2026, prices for Montreal to Barcelona-El Prat Airport flights are approximately 7% cheaper when compared to flights at the same time last year.

Air Transat is the most popular carrier operating from Montreal 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 according to our data. Air Canada is the first choice among our users, with 47% of people opting to fly with this airline when travelling to Barcelona-El Prat Airport. Keep in mind that there are 11 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 14% 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 150 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.

Saturday 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 7% of their flights experiencing any sort of delay.

Lisbon (LIS) was the most common stop: 42% 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$ 703.

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 August 2026, 3 flights take off from Montreal 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.

As of August 2026, 23 flights take off from Montreal and land in Barcelona-El Prat Airport each week. The most common flight departure day for this route is Fri, with 22% of weekly flights taking off on this day.