Sonic Drive-In Coupons & Promo Codes

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Sonic Drive-In

Free Small Side w/ Entree Purchase


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Get a free small side when you use your reward online or in the app today through Monday, Jan. More Info » 18. DetailsGet a free small side when you use your reward online or in the app today through Monday, Jan. 18. Get Offer Expires 01/18/21
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Past Sonic Drive-In Coupon Codes

These Sonic Drive-In promo codes have expired but may still work.

Sonic Drive-In

1/2 Price Blasts (Online & App Only)


Its time to have a blast! All day today, enjoy price Blasts when you order online or in the app. More Info » Discount will automatically apply to your order! DetailsIts time to have a blast! All day today, enjoy price Blasts when you order online or in the app. Discount will automatically apply to your order! Get Offer Expired 01/14/21
Sonic Drive-In

1/2 Priced Shakes (App Exclusive)


Half Price Shake: Reward is valid for one Price Shake when you order in the SONIC App. More Info » Valid on any size. Add-Ins cost extra. One per customer. DetailsHalf Price Shake: Reward is valid for one Price Shake when you order in the SONIC App. Valid on any size. Add-Ins cost extra. One per customer. Get Offer Expired 08/30/20
50%Off sale

50% Off Reese's Overload Waffle Cones (App Only)


Take an ice cream break and enjoy a 1/2 price Reeses Overload Waffle Cone when you redeem your app reward now through Sunday! DetailsTake an ice cream break and enjoy a 1/2 price Reeses Overload Waffle Cone when you redeem your app reward now through Sunday! Get Offer Expired 04/19/20