Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Barcelona from $276

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 $569, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of May, then book flights to Barcelona-El Prat Airport from Montreal Pierre Elliott Trudeau Intl Airport during April instead. Flights to Barcelona-El Prat Airport in April, while not as cheap as those in May, still average around $617.

The cheapest day to depart on your flight to Barcelona-El Prat Airport is on a Monday when prices can be found for as low as $666. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around $801. These prices are subject to change though, so be sure to set up a Price Alert for flights to Barcelona-El Prat Airport.

Flying to Barcelona-El Prat Airport from Montreal Pierre Elliott Trudeau Intl Airport in the evening is the least expensive time of day to depart. momondo users have found prices as low as $702 when looking at flights departing in the evening. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $748 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 travelers’ 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 $679 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 $617 on momondo.

There are 3 cabin classes available to choose from on Montreal Pierre Elliott Trudeau Intl to Barcelona-El Prat 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 5% on your flight if you consider stops on a Montreal Pierre Elliott Trudeau Intl Airport to Barcelona-El Prat Airport flight.

As of March 2026, prices for Montreal Pierre Elliott Trudeau Intl Airport to Barcelona-El Prat Airport flights are approximately 11% cheaper when compared to flights at the same time last year.

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 150 minutes.

Generally, flights departing at night tend to experience fewer delays. Flights in the evening 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 Transat have had the least number of delays on this route over the last 12 months; with about 6% of their flights experiencing any sort of delay.

Paris (CDG) was the most common stop: 60% of momondo users choosing 1-stop flights on this route connected there.

Flights via Lisbon (LIS) offer the lowest average round-trip price of $557.

Flights connecting via Paris (CDG) have the shortest average one-way travel time: 9h 50m.

Paris (CDG) has the shortest average layover time for this route: 1h 23m.

The number of flights available between Montreal Pierre Elliott Trudeau Intl Airport and Barcelona-El Prat Airport is 3 per day as of March 2026. The most frequent departure time is 8:00PM, with 100% of daily flights leaving in the evening.

21 flights are operational weekly from Montreal Pierre Elliott Trudeau Intl Airport to Barcelona-El Prat Airport as of March 2026. The most popular departure day for this route is Mon, with 14% of flights per week taking off on this day.