Sonics Half Off Shakes 2024 Price. It's the selling point of the app, so it won't go away any time soon.  — *get half price classic and master shakes® after 7pm when you order online or in the sonic app through june 2, 2024 at participating locations while.

 — sonic blasts are half price at participating locations nationwide for a limited now through may 3, 2024, while supplies last.  — it’s the famous sonic nights half price shakes offer!