Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Dublin from $254

In general, May is the cheapest month to fly from Montreal Pierre Elliott Trudeau Intl Airport to Dublin. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $530. If you’re not able to fly to Dublin in May, then September is your next best option. Flight prices from Montreal Pierre Elliott Trudeau Intl Airport to Dublin during September average around $572.

The cheapest day to depart from Montreal Pierre Elliott Trudeau Intl Airport to Dublin is on a Sunday. Travelers who choose to depart for Dublin on a Sunday will often find tickets for as low as $685. Flights from Montreal Pierre Elliott Trudeau Intl Airport to Dublin on a Friday will generally be more expensive and average around $783. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Fly from Montreal Pierre Elliott Trudeau Intl to Dublin for the best Montreal Pierre Elliott Trudeau Intl - Dublin flight prices

You are more likely to see cheaper flights to Dublin from Montreal Pierre Elliott Trudeau Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Dublin for around $668 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Dublin from Montreal Pierre Elliott Trudeau Intl Airport for as low as $557 on momondo.

There are 2 cabin classes available to choose from on Montreal Pierre Elliott Trudeau Intl Airport to Dublin 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 68% on your flight if you consider stops on a Montreal Pierre Elliott Trudeau Intl Airport to Dublin flight.

WestJet is the most popular carrier operating from Montreal Pierre Elliott Trudeau Intl to Dublin

Air Canada, WestJet and Air Transat are the top three most popular airlines that fly to Dublin from Montreal Pierre Elliott Trudeau Intl Airport according to our data. Air Canada is the first choice among our users, with 57% of people opting to fly with this airline when traveling to Dublin. Keep in mind that there are 4 different airlines that fly to Dublin on a routine basis, so you have a few additional options to choose from.

Historically, on average around 14% of flights between Montreal and Dublin have experienced a delay on any given week. The average delay length over the past 12 months has been 178 minutes.

Generally, flights departing in the evening tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

Sunday is statistically the day of the week which experiences the fewest number of delays on this flight route. Wednesday 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 14% of their flights experiencing any sort of delay.

Toronto (YYZ) was the most common stop: 75% of momondo users choosing 1-stop flights on this route connected there.

Flights via Toronto (YYZ) offer the lowest average round-trip price of $618.

Flights connecting via London (LHR) have the shortest average one-way travel time: 9h 55m.

London (LHR) has the shortest average layover time for this route: 1h 33m.

As of July 2026, there are 1 flights per day flying from Montreal Pierre Elliott Trudeau Intl Airport to Dublin. The most common time of day flights depart is 8:00PM, with 100% of flights taking off in the evening.

The number of flights available between Montreal Pierre Elliott Trudeau Intl Airport and Dublin is 11 per week as of July 2026. The most frequent departure day is Mon, with 27% of weekly flights leaving on this day.