From December 9th through the 12th, when you Buy One Whopper, you will Get One FREE at Burger King. Check out all the details on the Burger King Facebook page! Thanks, Saving With Amy! Looking for more coupons? Search the Coupon Database or print coupons from Coupons.com, SmartSource, Redplum.com and now from CouponNetwork.com. And don't forget to check out the Printable Coupon Alerts for other coupons I've found! Please note: Printable coupons have a print limit. Once that limit is met the coupon will no longer be available.