If you are looking for WooCommerce skip cart plugin then you are at right place. This plugin displays the checkout form on the same page when users click the ‘Add to cart’ button. It also displays the cart on that page, so customers make the changes easily in order as well. WooCommerce skip cart plugin helps to save the customer time as they don’t have to move on a separate page for cart and checkout. You can also enable two other checkout options such as sticky checkout and one click which suit you best.
Please read the originial post here: https://codecanyon.net/item/woocommerce-direct-checkout-skip-cart-or-checkout-on-same-page/21456470