Single-Patty Cheeseburgers for 1/2 price all day at Sonics! Hot Deals Single-Patty Cheeseburgers for 1/2 price all day at Sonics! Today only, Sonic Drive-Ins are celebrating Groundhog Day by offering 1/2 price single patty cheeseburgers all day! Plus, no coupon is required to score this HOT deal. For additional details on this offer, click here!Anything to Add? Leave a Comment! Follow Us On: Thrifty Momma Ramblings Facebook for more great tips for thrifty living! Related Posts Entertainment Book Just $5 & FREE SHIPPING! Amazon HOT DEAL on Keurig My K-Cup Reusable Coffee Filter is $4.79! YES!! This Hot Deal Is Good ONLY Today! Tags:Sonic 2 Comments Patricia Blue February 2, 2016 In it to win it Log in to Reply Patricia Blue February 2, 2016 In?It?To?Win?It Log in to Reply Leave a Reply Cancel replyYou must be logged in to post a comment.