mokorana

This extension adds an additional “Product SKU” search filter to your WooCommerce Orders page. 
It allows searching orders by product SKU as well as variation SKU, making it easier to locate orders tied to specific variations.
Supports both HPOS (High-Performance Order Storage) and Legacy order tables.

Mokorana Orders SKU Search

A WooCommerce extension that allows you to search orders by Product SKU and Variation SKU in the Admin Panel.

Prem Tiwari

This plugin should work with any WooCommerce version installation, since it hooks up to the core functionality of WooCommerce. The search functionality in woocommerce admin order listing page doesn’t search by sku by default. 
This simple plugin will extends the search functionality in woocommerce admin order listing page. Just install and activate from admin panel – no any settings required.
<a href="http://www.freewebmentor.com/2016/01/woocommerce-search-order-by-sku.html" rel="nofollow ugc">See the demo here</a>
Tested with Woocommerce 2.0.18, 2.2.4 and 2.2.10

Search order by SKU

This plugin will provide the extra search functionality to your product by SKU number. This simple plugin adds this functionality to both the admin si …

Mokorana Orders SKU Search vs Search order by SKU