What dates is Howl'o'ween on? 17th, 18th, 24th October – 1st November (10am – 7pm) 19th – 23rd October (10am – 5pm) Related articles What is Howl'o'ween? What's new for Howl'o'ween in 2020? What is Creepy Caves: Resurgence and is it included in my entry ticket? Do I need to pre-book for Howl'o'ween? What aspect of the Zoo will be unavailable?