Free Chicken Shack or ShackBurger on Sundays

Offer Details

Get a free Chicken Shack, ShackBurger, or Chicken Bites with any $10+ purchase at Shake Shack on Sundays.

How to use this promo code

• Copy the code SHACKSUNDAY
• Click through to the retailer and add your items to the cart
• Paste the code in the promo/discount field at checkout
• The discount applies before you complete the order

Good to know

One free item per order.

Codes can be pulled by the retailer at any time - use it while it lasts.