Cheap flights from Toronto to Ireland from C$ 289

The cheapest month to fly to Ireland from Toronto is in January. Flight prices, which tend to average around C$ 475, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of January, then book flights to Ireland from Toronto during September instead. Flights to Ireland in September, while not as cheap as those in January, still average around C$ 647.

The cheapest day to depart from Toronto to Ireland is on a Sunday when prices can be found for as low as C$ 772. The most expensive day to fly to Ireland is Tuesday, with ticket prices averaging around C$ 847.

In the evening is the cheapest time of day to fly from Toronto to Ireland when you can find flight prices for as low as C$ 698. 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$ 1,083.

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

You are more likely to see cheaper flights to Ireland from Toronto when booking weeks ahead of your departure date. In general, you can expect to find flights to Ireland for around C$ 713 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ireland from Toronto for as low as C$ 638 on momondo.

WestJet, Aer Lingus, and Air Transat are the most popular carriers operating from Toronto to Ireland

WestJet, Aer Lingus and Air Canada are the top three most popular airlines that fly to Ireland from Toronto 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 158 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.

Tuesday 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.

8 flights are operational daily from Toronto to Ireland as of May 2026. The most popular departure time for this route is 5:00p.m., with 60% of flights per day taking off in the evening.

The number of flights available between Toronto and Ireland is 59 per week as of May 2026. The most frequent departure day is Tue, with 17% of weekly flights leaving on this day.