Printable Old Navy Coupon This weekend you can save $15 off a $50 purchase off your Purchase in stores with this coupon. $15 off $50: Discount of $15 valid on purchase of $50 or more. Offer valid from 11/22/13 at 12:01am ET through 11/23/13 at 11:59pm ET in the U.S. (including Puerto Rico) and Canada at Old Navy stores only. Offer not valid online. Limit one coupon per customer per transaction. Not responsible for lost or stolen coupons. Excludes Frost Free Jacket on 11/23/13 only.