Cheap flights from Canada to Ireland from C$ 238

The cheapest month to fly to Ireland from Canada is in February. Flight prices, which tend to average around C$ 717, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of February, then book flights to Ireland from Canada during January instead. Flights to Ireland in January, while not as cheap as those in February, still average around C$ 735.

The cheapest day to depart from Canada to Ireland is on a Friday when prices can be found for as low as C$ 816. The most expensive day to fly to Ireland is Tuesday, with ticket prices averaging around C$ 924.

In the evening is the cheapest time of day to fly from Canada to Ireland when you can find flight prices for as low as C$ 716. Flying to Ireland in the evening is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Ireland is in the afternoon when prices are around C$ 1,155.

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

You are more likely to see cheaper flights to Ireland from Canada when booking weeks ahead of your departure date. In general, you can expect to find flights to Ireland for around C$ 735 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ireland from Canada for as low as C$ 658 on momondo.

There are 4 cabin classes available to choose from on Canada to Ireland flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

WestJet and Air Transat are the most popular carriers operating from Canada to Ireland

WestJet, Air Canada and Aer Lingus are the top three most popular airlines that fly to Ireland from Canada according to our data. WestJet is the first choice among our users, with 42% of people opting to fly with this airline when travelling to Ireland. Keep in mind that there are 13 different airlines that fly to Ireland on a routine basis, so you have a few additional options to choose from.

Historically, on average around 16% of flights between Canada and Ireland have experienced a delay on any given week. The average delay length over the past 12 months has been 145 minutes.

Generally, flights departing in the morning 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. Thursday has historically seen more delays on average compared to the rest of the week.

According to our data, WestJet has had the least delays on this route over the last 12 months, with about 12% of their flights experiencing any sort of delay.

As of September 2026, 13 flights take off from Canada and land in Ireland each day. The most common flight departure time for this route is 8:00p.m., with 58% of daily flights taking off in the evening.

The number of flights available between Canada and Ireland is 93 per week as of September 2026. The most frequent departure day is Fri, with 18% of weekly flights leaving on this day.