Shake Shack has a new burger deal happening now! Through September 30, 2026, customers can get a FREE Single ShackBurger with a $10 minimum purchase at participating Shake Shack locations.
To score the free burger, use promo code BURGERTIME at checkout. The code is case-sensitive, so make sure you enter it in ALL CAPS.
How to Get a Free ShackBurger
To redeem the Shake Shack free burger deal:
- Add one Single ShackBurger to your order.
- Add at least $10 worth of other qualifying food or drinks. The price of the free ShackBurger does not count toward the $10 minimum.
- Enter promo code BURGERTIME at checkout.
- Your qualifying Single ShackBurger will be free.
The promotion is available for qualifying orders placed at an in-Shack kiosk, through the Shake Shack app, or through Shake Shack’s website for eligible pickup or delivery orders.