Redirect After Purchase

Found it.

add_action( ‘template_redirect’, ‘wc_custom_redirect_after_purchase’ );
function wc_custom_redirect_after_purchase() {
global $wp;

if ( is_checkout() && ! empty( $wp->query_vars[‘order-received’] ) ) {
wp_redirect( ‘http://www.yoururl.com/your-page/’ );
exit;
}
}