Free Chicken Shack with $10+ Purchase

How to Get This Deal

• Add at least one Chicken Shack to your cart.
• Ensure your order total, excluding the free Chicken Shack, gift cards, taxes, and fees, is a minimum of $10.
• Enter the promotional code CHICKENSUNDAY at checkout. The code is case sensitive and must be in all caps.

Important Exclusions

• Offer is only valid for qualifying orders placed at a kiosk in-Shack, or for delivery or pick-up via the Shake Shack Mobile App or shakeshack.com.
• Not valid for drive-thru orders or orders made through third-party delivery apps.
• Valid at participating US Shake Shack locations only (excluding airports, stadiums, arenas, travel plazas, and museums).
• Limit one (1) free Chicken Shack per order.
• Offer excludes Avocado Bacon Chicken and Chicken Bites.
• Offer excludes all paid add-ons such as avocado and bacon.
• Cannot be combined with any other offers or promotions.
• This deal is valid on Sundays only, through December 28th.