<?php

add_filter('woocommerce_is_purchasable', 'set_catalog_mode_on_for_category', 10, 2 );
function set_catalog_mode_on_for_category( $is_purchasable, $product ) {
 
  if( has_term( 'Paquetes', 'product_cat', $product->get_id() ) ) {

    return false;
  }
 
  return $is_purchasable;
}