Air Canada is to resume its seasonal services between Dublin and Vancouver and Dublin and Montreal in June.
The Dublin-Vancouver service will operate four times a week from June 3 to September 30.
The Dublin-Montreal service will operate three times a week from June 2 to October 1.
The Dublin flights will use the airline's most modern aircraft, the Boeing 787-9 Dreamliner, which can carry 298 passengers, as well as the Boeing 787-8 Dreamliner aircraft, which can carry 255 passengers.
"Dublin Airport is pleased to welcome the return of Air Canada's services from Dublin to Montreal and Vancouver to our route network this June," said Dalton Philips, chief executive of daa, the operators of Dublin Airport.
"The recommencement of these routes will be great news for business and leisure passengers in Ireland, Montreal and Vancouver and we anticipate strong demand for these services in both directions" Mr Philips said.
Bláithín O’Donnell, Air Canada Country Sales Manager Ireland, said the airline's non-stop flights from Dublin to Vancouver and Montreal will provide customers in Ireland with a direct link to Canada and beyond.