THIS OFFER HAS EXPIRED!
St. Patrick’s Day is right around the corner and you are in luck!
On Monday, March 17 SONIC Drive-In is celebrating St. Patty’s by offering half-price cheeseburgers all day! Celebrate the holiday by sinking your teeth into America’s favorite burger. While you’re at America’s Ultimate Drink Stop®, try one of SONIC’s many drink combinations, like the Lime Fruit Slush in celebration of the holiday.
