Yum! Get Jr. Deluxe Cheeseburgers Only $0.79 All Day At Sonic! December 22, 2015 by Coupon Printer Post contains sponsored/affiliate links and I get commissions for purchases made from links. Head to Sonic today to score $0.79 Jr. Deluxe Cheeseburgers all day! Just watch and mention the video! To see it, just click on the red “Mention When Ordering” button. Head to the one nearest you and score cheap food!