Cheap flights from Ireland to Calgary from £251

The cheapest month to fly to Calgary from Ireland is in April. Flight prices, which tend to average around £192, 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 £229.

Our data shows that Thursday is the least expensive day to fly to Calgary. Tickets to fly out on this day can be as low as £352. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Ireland to Calgary for around £711.

The cheapest time of day to fly to Calgary is in the morning when flights can be purchased for as low as £636. Flights at midday are often more expensive, with an average ticket price of £685.

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 £597 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Calgary from Ireland for as low as £542 on momondo.

There are 3 cabin classes available to choose from on Ireland to Calgary flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

United Airlines is the most popular carrier operating from Ireland to Calgary

WestJet, Air Canada and Air Transat 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 58% of people opting to fly with this airline when travelling to Calgary. Keep in mind that there are 5 different airlines that fly to Calgary on a routine basis, so you have a few additional options to choose from.

Historically, on average around 24% 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 149 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 have had the fewest delays on this route over the last 12 months, with about 24% of their flights experiencing any sort of delay.

As of July 2026, there are 4 flights per week flying from Ireland to Calgary. The most common day of the week flights depart is Tue, with 25% of flights taking off on this day.

Flight times from Ireland to Calgary vary, but if you’re flying out of Shannon and flying into Calgary (one of the most popular routes), then the duration is 19h 18m on average. Another popular route from Ireland to Calgary is flying from Dublin to Calgary, which will take roughly 20h 45m. Keep in mind that layovers or delays could extend your travel time.