Chicken Sundays: Free Chicken Shack With $10+ Purchase
Add a Chicken Shack or Chicken Shack Lettuce Wrap and at least $10 of other qualifying food or beverages; gift cards, free item, taxes and fees do not count toward the minimum. Sundays only, January 4–December 27, 2026. Use uppercase CHICKENSUNDAY. · $10 minimum purchase
When: gift cards, free item, taxes and fees do not count toward the minimum. Sundays only, January 4–December 27, 2026. Use uppercase CHICKENSUNDAY.
Last observed Nov 10, 2026 · Merchant source linked below
Terms
Add a Chicken Shack or Chicken Shack Lettuce Wrap and at least $10 of other qualifying food or beverages; gift cards, free item, taxes and fees do not count toward the minimum. Sundays only, January 4–December 27, 2026. Use uppercase CHICKENSUNDAY.; Participating U.S. Shake Shacks, excluding airports, stadiums, arenas, travel plazas and museums. One free item per order; maximum savings $9.99. Excludes Avocado Bacon Chicken, Chicken Bites and paid add-ons. Kiosk, app or website orders only; no drive-thru or third-party delivery. Cannot combine offers.