Redirect all Single Posts of a Custom Post Type using template_redirect Function

redirect-cpt-single.php

<?php

add_action( 'template_redirect', 'redirect_your_post_type_single' );

function redirect_your_post_type_single(){
    if ( ! is_singular( 'YOUR-CUSTOM-POST-TYPE' ) )
        return;
    wp_redirect( get_page_link( YOUR-PAGE-ID ), 301 );
    // or
    // wp_redirect( get_post_type_archive_link( 'ANOTHER-CUSTOM-POST-TYPE' ), 301 );
    exit;
}

Items to Note:

Change ‘YOUR-CUSTOM-POST-TYPE’ to the name of the Custom Post Type you would like to have redirected.
Change ‘YOUR-PAGE-ID’ to the ID of the Page you would like your Custom Post Type’s Single Posts to redirect to.
Or Change ‘ANOTHER-CUSTOM-POST-TYPE’ to the name of the Custom Post Type of the Page you would like your Custom Post Type’s Single Posts to redirect to.
If you followed the instructions correctly all of the Single Posts of your Custom Post Type will now be redirected to your desired location.