May 28, 2013 No Comments FREE Donut at Thorntons Check out this week’s Fan Exclusive Coupon: FREE Donut! You can print the coupon by clicking the Welcome tab at the top of the Thorntons Fan Page. Coupon valid May 28 – June 3, 2013. Locations. FREE Donut at Thorntons – EXPIRED Facebook Twitter Add Comment Notify me of follow-up comments by email. Notify me of new posts by email.