kontur

The plugin lets you update WooCommerce product prices and sales prices. You filter which products should be updated by selecting current price, sales price, name and/or category. Then you select what should be changed for all match products: Regular price, Sales price & Current price

WooCommerce Price Updater

A simple Wordpress WooCommerce plugin to set or replace WooCommerce prices in bulk

ycplugins

yakacj

This is a simple but effective and user friendly plugin for WordPress/WooCommerce store, to change all products prices (even millions of products) increase or decrease by specific percentage or amount when needed without edit product price one by one from product edit page.
Working for simple and variable products as well. You can also exclude some products for price change rule. 
This plugin change/show updated price on frontend( to users ) without changing product original prices( from backend/database ). Prices will show according to selected percentage/amount to increase/decrease action. 
Prices will show and calculated all of WooCommerce pages, order and emails also, wherever product price applied/described.
If you face any issue or bug please contact through email or WordPress plugin support forum, so we can resolve it asap in next update. Hope you’re enjoying this plugin as expected.
<h3>Pro Version</h3>
<ul>
<li>All features from free version +</li>
<li>Supporting product types: 
— Simple 
— Variable ( including all variations ) 
— Variation ( selected variations ) 
— Grouped 
— WooCommerce Subscription 
— WooCommerce Bookings</li>
<li>
Price change for: 
— All Products + 
— Excluding Product Categories + 
— Excluding Product Attributes
— Or Selected Products + 
— Selected Product Categories + 
— Selected Product Attributes
</li>
<li>
First order only 
— Updated prices will apply to user’s first order only.
</li>
<li>
Apply price changes for specific date time 
— Start date time to. 
— End date time.
</li>
<li>
Registered users only 
— Updated prices will apply to registered users only.
</li>
<li>
Selected user roles only 
— Updated prices will apply to selected user roles only.
</li>
<li>
Selected countries only 
— Updated prices will apply for selected user countries only at checkout.
</li>
<li>
Selected payment gateways only 
— Updated prices will apply for selected payment method only at checkout.
</li>
</ul>
<a href="https://ycplugins.com/item/price-changer-pro-for-woocommerce-plugin/" rel="nofollow ugc">GET PRO VERSION</a>
<h3>MAY BE YOU ALSO LIKE/NEED</h3>
<a href="https://wordpress.org/plugins/variation-auto-expire-for-woocommerce/" rel="ugc">Variation Auto Expire For WooCommerce</a>: 
By this plugin, you can set variable product’s variations availability to auto out of stock or delete on specific date-time.
<a href="https://wordpress.org/plugins/new-custom-order-columns/" rel="ugc">New Custom Order Columns</a>: 
By this plugin, you can add unlimited admin shop order columns in WooCommerce.
<h3>Support</h3>
Email support for this plugin <a href="mailto:yakacj@yahoo.com?Subject=About%20your%20Price%20Changer%20Plugin" rel="nofollow ugc">here</a>

Price Changer For WooCommerce

Change WooCommerce products prices very quickly, without edit product one by one.

WooCommerce Price Updater vs Price Changer For WooCommerce