How long do I have to use my combination ticket? You will have 14 days to use your second visit, so you don't have to visit both attractions on the same day! Related articles Why do I need to book a time slot with my combination ticket? Do I have to visit both attractions on my combo ticket in one day? What are your opening and closing times? What is the Ultimate Combo Experience Ticket? Can I visit SEA LIFE Grapevine Aquarium first?