How Old Do I Have To Be For a Child Admission? GuestServices Updated August 16, 2017 02:18 Follow A Child admission is applicable to guests from 3 years to 13 years. Children 2 years of age and under, are free! Related articles How Much Does a Ticket Cost? How Old Do I Have To Be For a General Admission? What Is Cineplex Tuesday? How Old Do I Have To Be To Be For a Senior Admission? How Do I Purchase Tickets Online?