Patryk

Plugin adds two additional fields in the product edit view – for the lowest price and the effective date. This information is displayed on the product page. This is related to the upcoming Omnibus EU directive.
Global information “per product”, without support for variants. 
If you need support for variants and automation, check out the “PerfectWP – WC Omnibus” plugin: 
https://wordpress.org/plugins/perfectwp-wc-omnibus/
Plugin ready to translation (languages​​/omnibus-for-woocommerce.pot)
Custom CSS ready:
Main element (DIV): .pryc_wp_wc_omnibus_product_field 
Text (SPAN): .pryc_wp_wc_omnibus_product_field .text 
Price (SPAN): .pryc_wp_wc_omnibus_product_field .price 
Proce, currency symbol (SPAN): .pryc_wp_wc_omnibus_product_field .price .currency 
Text separator (SPAN): .pryc_wp_wc_omnibus_product_field .separator 
Date (SPAN): .pryc_wp_wc_omnibus_product_field .date

PRyC WP: Omnibus for WooCommerce

Plugin adds two additional fields in the product edit view - for the lowest price and the effective date. This information is displayed on the product …

roventhemes

Directive (EU) 2019/2161 of the European Parliament, also knows as the EU Omnibus Directive, introduced among other things the requirement to display the lowest price of a product in the last 30 days, including any discounts or promotions. This information must be clearly visible and easily accessible to consumers before they make a purchase. This plugin does exactly that.
<h4>Directive (EU) 2019/2161 of the European Parliament</h4>
<blockquote>
Article 6a 
 1. Any announcement of a price reduction shall indicate the prior price applied by the trader for a determined period of time prior to the application of the price reduction. 
 2. The prior price means the lowest price applied by the trader during a period of time not shorter than 30 days prior to the application of the price reduction.
</blockquote>
Read more: <a href="https://eur-lex.europa.eu/eli/dir/2019/2161/oj" rel="nofollow ugc">Directive 2019/2161</a>.
Plugin Features:
<ul>
<li>Saves and store product prices</li>
<li>Configurable how long to store historic product prices, default 30 days for standard products and 10 days for perishable products</li>
<li>Configure where to display prices</li>
</ul>

Roven Omnibus — display lowest price

The plugin helps wooCommerce powered ecommerce websites comply with the requirements of the EU Omnibus Directive.

PRyC WP: Omnibus for WooCommerce vs Roven Omnibus — display lowest price