How do you cancel your Amazon Prime Video subscription? You are able to reverse your cancellation until the end date.
Follow these 3 steps;
Go to “ Manage Your Prime Video Channels.”
Under “Prime Video Channels,” find the subscription you want to cancel.
Select “Cancel Channel” and confirm.
Your subscription end date will show on the confirmation screen. After the end date, you won't be charged for or have access to content from that channel. Canceling a subscription does not generate a refund for any previous subscription charges.
If you don't cancel your free trial by the end of the trial period, you'll be automatically upgraded to a paid membership plan. You can find this date listed on the left-hand side of the “Manage Your Prime Membership” page.