TGI Friday’s: $5 off $15 Food PurchaseAugust 18, 2011 by Mitchell Wischmann This post may contain a link to an affiliate. See my disclosure policy for more information. TGI Friday’s released a new coupon! Head over and print your $5 off $15 or more TGI Friday’s food purchase coupon. It’s valid through 8/24/11, and you can only use one coupon per table. This is not valid with any other coupon or offer.