Cheap flights from Toronto Pearson Intl Airport to Ireland from C$ 290

The cheapest month to fly to Ireland from Toronto Pearson Intl Airport is in November. Flight prices, which tend to average around C$ 440, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of November, then book flights to Ireland from Toronto Pearson Intl Airport during January instead. Flights to Ireland in January, while not as cheap as those in November, still average around C$ 481.

The cheapest day to depart from Toronto Pearson Intl Airport to Ireland is on a Sunday when prices can be found for as low as C$ 783. The most expensive day to fly to Ireland is Thursday, with ticket prices averaging around C$ 867.

In the evening is the cheapest time of day to fly from Toronto Pearson Intl Airport to Ireland when you can find flight prices for as low as C$ 715. 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$ 1,119.

Fly from Toronto Pearson Intl to Dublin for the best Toronto Pearson Intl - Ireland flight prices

You are more likely to see cheaper flights to Ireland from Toronto Pearson Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Ireland for around C$ 718 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ireland from Toronto Pearson Intl Airport for as low as C$ 639 on momondo.

Air Transat and WestJet are the most popular carriers operating from Toronto Pearson Intl to Ireland

WestJet, Aer Lingus and Air Canada are the top three most popular airlines that fly to Ireland from Toronto Pearson Intl Airport according to our data. WestJet is the first choice among our users, with 37% of people opting to fly with this airline when travelling to Ireland. Keep in mind that there are 11 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 Toronto and Ireland have experienced a delay on any given week. The average delay length over the past 12 months has been 157 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.

Monday 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, Air Transat 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 May 2026, there are 9 flights per day flying from Toronto Pearson Intl Airport to Ireland. The most common time of day flights depart is 5:00p.m., with 60% of flights taking off in the evening.

As of May 2026, there are 63 flights per week flying from Toronto Pearson Intl Airport to Ireland. The most common day of the week flights depart is Fri, with 17% of flights taking off on this day.