Cheap flights from Ireland to Calgary from C$ 412

The cheapest month to fly to Calgary from Ireland is in April. Flight prices, which tend to average around C$ 347, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of April, then book flights to Calgary from Ireland during May instead. Flights to Calgary in May, while not as cheap as those in April, still average around C$ 412.

The cheapest day to depart on your flight to Calgary is on a Wednesday when prices can be found for as low as C$ 789. This is often the case because there is less demand to fly during this day of the week. On the other hand, Friday is the most expensive day to depart from Ireland because it is more convenient for both business and leisure travellers. As a result, prices tend to be around C$ 1,272.

Our data shows that the cheapest Ireland to Calgary flights are usually those with departure times in the morning. Our users have found flights to Calgary in the morning for as low as C$ 1,042. If you have a flexible travel schedule, then try to avoid flying at noon when prices are C$ 1,229 on average. Flights to Calgary from Ireland at noon are generally more expensive because this time of day is more convenient for travellers’ schedules.

Fly from Dublin to Calgary for the best Ireland - Calgary flight prices

You are more likely to see cheaper flights to Calgary from Ireland when booking weeks ahead of your departure date. In general, you can expect to find flights to Calgary for around C$ 1,056 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Calgary from Ireland for as low as C$ 877 on momondo.

WestJet is the most popular carrier operating from Ireland to Calgary

WestJet, Air Canada and Lufthansa are the top three most popular airlines that fly to Calgary from Ireland according to our data. WestJet is the first choice among our users, with 61% of people opting to fly with this airline when travelling to Calgary. Keep in mind that there are 3 different airlines that fly to Calgary on a routine basis, so you have a few additional options to choose from.

Historically, on average around 23% of flights between Ireland and Calgary have experienced a delay on any given week. The average delay length over the past 12 months has been 155 minutes.

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

Wednesday is statistically the day of the week that experiences the fewest delays on this flight route. Sunday 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 23% of their flights experiencing any sort of delay.

As of May 2026, 3 flights take off from Ireland and land in Calgary each week. The most common flight departure day for this route is Tue, with 33% of weekly flights taking off on this day.

The flight from Ireland to Calgary depends on which airports you’re departing from and arriving to, and whether or not you have a layover. If you fly from Dublin (a popular airport in Ireland) to Calgary (the most popular airport in Calgary), then the flight time is 8h 15m on average. If you fly from Milltown (Kerry) (another popular airport in Ireland) to Calgary, then the average flight time is 27h 20m.