Redirection for Contact Form 7 use code example
Example: cf7 redirect to url
<script>
document.addEventListener( 'wpcf7mailsent', function( event ) {
location = 'http://example.com/';
}, false );
</script>
<script>
document.addEventListener( 'wpcf7mailsent', function( event ) {
location = 'http://example.com/';
}, false );
</script>