W3 Relations

On-Page Checkout for Elementor adds a drag-and-drop Elementor widget that combines product selection and the full WooCommerce checkout form into a single page. No redirects, no separate cart page needed.
Key Features
<ul>
<li>Add the On Page Checkout widget anywhere in Elementor</li>
<li>Support for simple and variable products</li>
<li>Built-in quantity selector</li>
<li>Configurable section headings (billing, shipping, order summary, payment, button text)</li>
<li>Pre-select a product via a URL query string parameter</li>
<li>Enable / disable and relabel individual checkout fields from the admin settings page</li>
<li>Full WooCommerce payment gateway compatibility</li>
<li>Responsive layout out of the box</li>
</ul>
Requirements
<ul>
<li>WordPress 6.0 or later</li>
<li>WooCommerce 6.0 or later</li>
<li>Elementor 3.0.0 or later</li>
<li>PHP 7.4 or later</li>
</ul>

On-Page Checkout for Elementor

A custom Elementor widget that lets customers browse WooCommerce products and complete checkout on a single page.

PressTigers

Instant Shop for WooCommerce by <a href="https://www.presstigers.com" rel="nofollow ugc">PressTigers</a> is an easy to use and user friendly plugin that helps users to shop instantly without going to cart and checkout pages. 
The plugin also offers features for users to reorder the products which they have ordererd in the past.
<h4>Plugin Features</h4>
<ul>
<li>Easy and Fast one page checkout to place order for a product quickly.</li>
<li>Show instant checkout on single product page.</li>
<li>Responsive Design.</li>
<li>Translation Ready.</li>
<li>Allow customers to reorder products again from orders page on My Account.</li>
<li>Provide options to select single or multiple products for reordering again.</li>
<li>Admin options to select order status for reordering products.</li>
</ul>

Instant Shop for WooCommerce

User friendly plugin for WooCommerce with single page checkout which facilitates users to shop instantly and to reorder their previously purchased pro …

On-Page Checkout for Elementor vs Instant Shop for WooCommerce