There are 8 cruises that depart from Montreal, Canada in the year 2025. Just two cruise lines offer cruises that leave out of Montreal in 2025 - Seabourn (total of 5 sailings, all of them on Seabourn Sojourn) and Holland America (just 3 sailings, all of them on Volendam).
You can see Montreal cruise schedule for 2025 in the table below. Be sure to look at the $/Day column to find cheap Montreal cruise deals in 2025.