How do I cancel Flex? January 12, 2021 01:44 Updated To cancel your Flex account you can send a request to HERE. Please send all deactivation requests prior to the 1st of month to avoid Flex covering your next month’s rent. Related articles Can I cancel at any time? How do I contact you? I’m moving. Can I transfer my Flex account to my new place? What is the last day Flex can cover my rent? When is the membership fee charged? Comments 0 comments Please sign in to leave a comment.