нашел такой код
/*
Disable Variable Product Price Range completely:
*/
add_filter( 'woocommerce_variable_sale_price_html', 'my_remove_variation_price', 10, 2 );
add_filter( 'woocommerce_variable_price_html', 'my_remove_variation_price', 10, 2 );
function my_remove_variation_price( $price ) {...