How Old Do I Have To Be To Be For a Senior Admission? GuestServices Updated August 11, 2017 02:33 Follow You must be 65 years of age and older to apply for a Senior admission. Related articles How Much Does a Ticket Cost? What Is Cineplex Tuesday? How Old Do I Have To Be For a Child Admission? How Do I Purchase Tickets Online? How Old Do I Have To Be For a General Admission?