Originally Posted by
GaryD
Is this available without buying the OPUS card for $6 extra? For a 3-day visit I would rather just get the single 3-day pass for $18 at YUL arrivals, but the web site seems to say the airport won't sell it:
"Transit fare only sold on reusable OPUS card, available from these vending machines for $6."
Where to buy transit fares Société de transport de Montréal
You'll be fine with the "Ocasionnelle" non re-loadable cards that are sold in the machines, including those at YUL. No charge for those, just the $18 for the three days.
Check out this pdf with all the options clearly indicated.