How to cancel a Starz subscription on Amazon when you no longer need the streaming service How to cancel a Starz subscription on Amazon when you no longer need the streaming service Vivian McCallFeb 12, 2021, 01:47 IST You can cancel your Starz subscription by accessing your Amazon account.damircudic/Getty Images You can cancel Starz on A Starz subscription costs $8.99 a month, and you cancel it at any time. Starz is a premium streaming channel you can subscribe to through Amazon Prime. The service is known for its extensive movie library, as well as a handful of original series like "Outlander," "Black Sails," and an adaptation of Neil Gaiman's book "American Gods."