one ticket from your home to airport and one from airport to your home if you live in the Island of Montreal. this is a local bus. if you have metro pass you can use it. you can do as you do as usual in Montreal city when taking bus or metro.. t: n* ]4 U4 G. s$ ?4 F
you can choose one of ways to airport. it is up to you.you can check the routes by using the map of public transportation.