Trick-or-burger! Shake Shack is shaking up the spooky season with three juicy deals in October. The chain’s burgers are made with a custom 100% Angus beef blend, never frozen, no hormones or antibiotics ever, humanely raised and grazed in the U.S. Fans and hungry bargain hunters alike will definitely want to make Shake Shack a must-stop this month!
October Sandwich Giveaway
From October 1 to 31, 2026, Shake Shack is offering a three different sandwiches for FREE with a $10 minimum purchase at participating locations.
The offer excludes all paid add-ons, such as avocado or bacon.
Here’s what sandwich is available in October:
October 1 to 11 – Chicken Shack or West Coast Chicken Sandwich
October 12 to 18 – Cheeseburger
October 19 to 31 – ShackBurger
The offer is only valid for purchases placed at a kiosk in-restaurant or for delivery or pick-up via the Shake Shack app or at shakeshack.com. Use promo code SCARYGOOD at checkout. (Note: Promo code must be entered in ALL CAPS.)
Limit one offer per order — with a maximum savings equal to the price of each week’s promotional sandwich (from $8.29 to $10.49). If you have a large order, consider breaking it up into separate transactions for more FREE sandwiches.
You must add at least $10 worth of food and/or drinks to your order, excluding the cost of the complimentary sandwich. (Gift card purchases are also excluded.)
Sunday Chicken Sandwich Bonus
Shake Shack is also offering a FREE Chicken Shack Sandwich or Chicken Shack Lettuce Wrap every Sunday — through December 27, 2026.
Shake Shack has 13 locations in Colorado — Boulder, Castle Rock, Colorado Springs (2), Denver (4), Fort Collins, Greenwood Village, Highlands Ranch, Lone Tree and Parker.
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