Shake Shack celebrates Halloween with 3 free sandwiches in October

Ding-dong! Trick-or-burger! Shake Shack is shaking up the spooky season with three juicy deals for a FREE sandwich 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 Oct. 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 sandwiches are available in October:

• Oct. 1 to 11: Chicken Shack or West Coast Chicken Sandwich
• Oct. 12 to 18: Cheeseburger
• Oct. 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 Dec. 27, 2026. 

Get details here. 

Find locations nationwide here.

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This deal is from Living on the Cheap, our sister site.