Gap Coupon Code: 30% off Your Order March 7, 2011 by Mitchell Wischmann This post may contain a link to an affiliate. See my disclosure policy for more information. Gap.com is offering a great discount through 3/11! Get 30% off your entire purchase with coupon code GAPFRIENDS. Don’t forget, if you spend $50 or more before the coupon code is applied, you’ll get FREE shipping.