We appreciate your membership and will be glad to support you in any way that we can. If you have a question, concern enter it below and we will get. Webcancel your six flags membership. We're sorry to see you go! As we told you when you bought your membership, you may cancel anytime after your first 12 months. Webapr 15, 2021 · to cancel your membership account visit sixflags. com/membership and choose cancel membership from the list of options. You must request your. Webnov 16, 2021 · how do…