Go to hulu.com/account and sign in
Under Your Subscription, select Cancel
Follow the prompts to confirm cancellation
If you subscribed through Apple, cancel in your Apple ID subscriptions
If you subscribed through Google Play, cancel in Google Play subscriptions
If you subscribed through Amazon, cancel in your Amazon subscriptions
If you subscribed through Roku, cancel in your Roku account
Check your email for the cancellation confirmation
Keep access until the end of your current billing period