Webyou can still use these options to make a payment: You can sign in to xfinity. com to pay your bill online and set up automatic payments. Say pay my bill into. Webover forums and social media platforms we don't process payments, but you can also use the xfinity app, and you can also log into www. xfinity. com to pay. Webpay online or with the xfinity app. Click on the account icon in the upper righthand corner of xfinity. com to pay your bill, check your balance, see your billing history, sign up for automatic payments and paperless billing, and so much more. All online, available 24/7. Web@user_2ihzyb without logging into our system or speaking with our xfinity assistant, you can pay an xfinity (residential account) bill via one of the following.