Redirect an Order Form for WooCommerce form to a custom URL on submit. https://orderform-woo.webaware.net.au/reference-manual/filter-hooks/

order-form-woo-redirect.php

<?php
/*
Plugin Name: Order Form for WooCommerce Redirect
Plugin URI: https://gist.github.com/webaware/e2817c2fcdd8d3cb4ee498d75d27ebb9
Description: redirect order form to specific page when submitted
Author: WebAware
Author URI: http://webaware.com.au/

@link https://orderform-woo.webaware.net.au/reference-manual/filter-hooks/#orderform_woocommerce_form_redirect
*/
if (!defined('ABSPATH')) {
    exit;
}

/**
* redirect order form to specific page when submitted
* @param string $redirect_url where the form would normally redirect to
* @param string $submitredirect the value of the `submitredirect` attribute
* @return string
*/
add_filter('orderform_woocommerce_form_redirect', function($redirect_url, $submitredirect) {
    return home_url('/your-page-slug/');
}, 10, 2);