Allow Flexible Pricing sales display on non-WooCommerce pages

functions.php

<?php
// Do NOT include the opening php tag

add_filter( 'wc_flexible_pricing_on_get_price', 'wpdesk_wc_flexible_pricing_on_get_price' );
/**
 * Allow Flexible Pricing sales on non-WooCommerce pages
 *
 */
function wpdesk_wc_flexible_pricing_on_get_price( $on_get_price ) {
    if ( is_page() ) { 
        $on_get_price = true; 
    } 
    
    return $on_get_price; 
}