jomarlipon

This plugin will allow you to include empty cart button in cart page for Woocommerce. You can choose where to display the empty cart button.
Instruction to display “empty cart” button in the cart page.
<ol>
<li>Go to Wooommerce > Settings.</li>
<li>In the General tab under General options, you will see the empty cart option.</li>
<li>Check the appropriate choice. If you want to display empty cart button before and after cart table, just check the both checkbox.</li>
</ol>

Woo Add Empty Cart

This plugin will allow you to include empty cart button in cart page for Woocommerce. You can choose where to display the empty cart button.

Jeff Sherk

When you click Add-To-Cart for a WooCommerce product, all other products will be emptied from the cart. This can be selected on a per product basis.

Easy Options Empty Cart per product for WooCommerce

When you click Add-To-Cart for a WooCommerce product, all other products will be emptied from the cart. This can be selected on a per product basis.

Woo Add Empty Cart vs Easy Options Empty Cart per product for WooCommerce