Fly to Western Canada for nearly half the cost. Flights are via Toronto on the outbound and via London on the inbound. The Dublin to Toronto route is a Pure Air Canada flight, which was previously operated by their low cost alternative Air Canada Rouge.
There are a number of dates for this deal between Feb-May 2018. Click the link below to check dates.
Please be advised that Irish visitors to Canada now need a visa. You will need to apply for a Canadian E Visa, similar to the American ESTA, and costs 7 dollars. Please see the link below.