Posted by: Sonic Drive-In is shaking up summer again! There once was a time when the popular fast-food restaurant offered discounted shakes every night, all summer long.
Unfortunately, they haven’t offered the sweet deal since 2019. However, this year, fans of the restaurant’s hand-spun shakes can enjoy sweet savings for a limited time.
Image: Sonic Drive-In
Through From May 19 to June 29, 2025, Sonic Drive-In is offering 50% off Classic and Master Shake at participating locations — after 5 p.m. Any add-ons are extra.
No promo code or digital coupon needed. The deal automatically applies at checkout — in-restaurant and online.
Sweetest of all, there is no limit, so everyone at home can enjoy the cool savings.
Flavors may vary by location.
Choose from the following Classic Shakes:
- Banana
- Caramel
- Chocolate
- Hot Fudge
- Peanut Butter
- Strawberry
- Vanilla
Choose from the following Master Shakes:
- Cheesecake
- OREO Cheesecake
- OREO Chocolate
- OREO Peanut Butter
- Strawberry Cheesecake
Get the inside scoop on all of Sonic’s best deals in our roundup.
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This deal is from Living on the Cheap, our sister site.
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