Does Flex cover rent payments outside of the US? December 18, 2020 21:18 Updated Flex is only able to cover rent within the US. Related articles Does Flex cover mortgage payments? I have past due rent on my portal, will Flex still cover my upcoming rent? How do I contact you? How does Flex work? Does Flex charge any late fees for missed payments? Comments 0 comments Please sign in to leave a comment.