1/2 Price Cheeseburgers at Sonic on 7/29!! Hot Deals ALL DAY on 7/29 get 1/2 Price Cheeseburgers at Sonic! *1/2 price SONIC® single-patty cheeseburgers only. Limit 5. 7/29 only. Please mention when ordering. Find the Sonic nearest you!! Anything to Add? Leave a Comment! Follow Us On: Thrifty Momma Ramblings Facebook for more great tips for thrifty living! Tweet Pin It Related Posts FREE SHIPPING DAY is Friday, December 18th Sonic Jr. Deluxe Cheeseburgers Just 79¢ ALL DAY on 1/14! HOT! Gevalia Coffee and FREE Coffemaker! Only $9.99 Shipped! Tags:Hot Deals Leave a Reply Cancel replyYou must be logged in to post a comment.