Cheap flights from Dublin to Montreal from C$ 398

The cheapest month to fly to Montreal from Dublin is in May. Flight prices, which tend to average around C$ 884, 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 Montreal from Dublin during February instead. Flights to Montreal in February, while not as cheap as those in May, still average around C$ 963.

Our data shows that Wednesday is the least expensive day to fly to Montreal. Tickets to fly out on this day can be as low as C$ 1,057. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Dublin to Montreal for around C$ 1,313.

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

There is only 1 cabin class available to choose from on Dublin to Montreal 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 60% on your flight if you consider stops on a Dublin to Montreal flight.

Historically, on average around 14% of flights between Dublin and Montreal have experienced a delay on any given week. The average delay length over the past 12 months has been 181 minutes.

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

Sunday is statistically the day of the week that experiences the fewest 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 has had the least delays on this route over the last 12 months, with about 14% of their flights experiencing any sort of delay.

London (LHR) was the most common stop: 83% of momondo users choosing one-stop flights on this route connected there.

Flights via London (LHR) offer the lowest average round-trip price of C$ 919.

Flights connecting via London (LHR) have the shortest average one-way travel time: 10h 20m.

London (LHR) has the shortest average layover time for this route: 1h 45m.

As of August 2026, there are 1 flights per day flying from Dublin to Montreal. The most common time of day flights depart is 9:00a.m., with 100% of flights taking off at noon.

As of August 2026, 12 flights take off from Dublin and land in Montreal each week. The most common flight departure day for this route is Mon, with 25% of weekly flights taking off on this day.