An example of how to redirect after survey submission for the Awesome Surveys WordPress plugin. Requires Awesome Surveys version > 1.1.1

custom-redirect.php

<?php
/*
Plugin Name: Custom Redirect for Awesome Surveys
Plugin URI: http://www.willthewebmechanic.com/awesome-surveys
Description: Redirects to a specified link after survey submission
Version: 1.0
Author: Will Brubaker
Author URI: http://www.willthewebmechanic.com
License: GPLv3.0
*/

add_filter( 'after_awesome_survey_response_processed', 'wwm_after_survey_redirect', 10, 2 );

/**
 * Filters the URL
 * @param  string $url  the url that is being filtered
 * @param  array  $args an array of arguments. At the time of creation this array contained
 *                      'survey_id' which is, well, the id of the survey being processed
 *                      'survey' which is the survey that was responded to and 'responses' which
 *                      is a copy of the 'questions' array that was posted i.e. $_POST['question']. Use these values to decide
 *                      where to redirect to or return null if not re-directing.
 * @return string       the filtered url
 * @since 1.0
 * @author Will the Web Mechanic <will@willthewebmechanic.com>
 */
function wwm_after_survey_redirect( $url = null, $args = array() )
{

 $url = 'http://www.willthewebmechanic.com';
 return $url;
}