When is The York Dungeon Open? Our opening times can vary depending on the date you choose to visit us. For a full list of our most up to date opening times for both 2017 and 2018 please click here. Related articles How old must you be to enter The York Dungeon? How do I contact your Customer Services Team? What is included in my entry ticket at The York Dungeon? What if I'm running late for my time slot? What if I need to collect my tickets but I do not have the card I used to purchase?