YITH WooCommerce Frequently Bought Together Nulled plugin is the best choice for implementing this feature into your website. You can show products to a highly specific and selected target.
Products suggested as “frequently bought together” are, in fact, much more appealing and customers who see them might be already interested in them. This way, conversion rates are really high.
Many statistics carried on most popular e-commerce shops have proved that sales are considerably increased by correct selling strategies, which show even figures are but a really great sale success.
Suggested products that users generally buy together is one of the most effective among these marketing strategies.
Demo : https://yithemes.com/themes/plugins/yith-woocommerce-frequently-bought-together/