On the longest day of the year, go from zero to mouthwatering in no time at all. Head to SONIC for ½ price made-to-order Cheeseburgers, all day today.
Single-patty cheeseburgers only. Tax not included. Add-ons cost extra. Cannot be combined with other offers. Offer valid 06/20/16 at participating SONIC Drive-Ins while supplies last.