1/2 Price SuperSONIC Double Cheeseburger
SONIC has an offer for a 1/2 Price SuperSONIC Double Cheeseburger in the SONIC app. It's redeemable one time per account through March 1, 2020. You'll also get 1/2 Price Drink & Slushes any time of the day (not just Happy hour) when you order in the app. Click here to download the free iOS or Android app and create an account to get these deals.