Smashburger Coupon for Buy One Entree Get One Free 2 years ago 2 Comments Coupons, Restaurant Deals Smashburger has a great offer right now. Buy one Eentree get another one free with this printable coupon. Offer valid through 3/31/13. Find the Smashburger closest to you here. Facebook Prev Article Next Article You may also like $5/1 Bounty Product Coupon 4 years ago Hot Printable: Save $1 off one Quaker Oatmeal Product 5 years ago Free BBQ Sandwich from Krystal’s 4 years ago Printable Coupons: Johnson’s Baby products, Deistin, Reach Floss and Toothbrush, Aquafresh Toothpaste, Angel Soft Toilet Paper and More 2 years ago Printable Coupons: Pantene, Mad Men DVDs, Kellogg’s Cereal, Planters and More 2 years ago Fiber One Coupons | $0.75 off One Brownie Box and $1 off Cereal 4 years ago Sandy P Thanks for the coupon, I have never tried this place… a must for this weekend!! Lindsay Ackerman Guess they need to update their restaurant finder; there are at least 3 in my city and the ZIP code search is telling me my closest is St. Louis.