Hey, chicken sandwich lovers! Shake Shack is definitely known for its juicy burgers, but there is also a delicious option for chicken sandwich fans on the menu. And, for a limited time, customers can scare up big savings on two Chicken Shack sandwiches at the popular restaurant. Enjoy the savings with a friend or grab two sandwiches and save one for later.
From October 12 to 21, 2025, Shake Shack is offering a buy-one-get-one FREE Chicken Shack sandwich at participating locations — with promo code SPOOKY. (Be sure to use ALL CAPS, as that’s the only way the promo code will work.)
The offer is only valid for qualifying orders placed at a kiosk in-restaurant or for delivery or pick-up via the Shake Shack app or at shakeshack.com.
You must add at least two single Chicken Shack sandwiches to your cart prior to checkout. The discount excludes paid add-ons, including bacon, avocado and more.
Limit one FREE Chicken Shack sandwich per order.
Shack Shack has 352 locations in 33 states.
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