You may purchase a ticket for use at a later time. The expiry date is printed on the back of the ticket.

How long does a bus ticket last Montreal?

The 1-trip ticket is valid for one trip. You may transfer between metro and bus lines. This is the only transit fare that may be purchased aboard a bus (exact change required).

Why do Opus cards expire?

Why do I have to renew my OPUS card? OPUS cards have an expiry date (four years for cards without a photo). As of that date, the card will no longer work, even if it still contains valid fares; at that point, you will have to pay for any trips you take. 2.