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Get a FREE chicken sandwich every Sunday at Shake Shack! Through June, Shake Shack is giving away a free chicken sandwich with a $10+ purchase using code CHICKENSUNDAY.
Valid in-Shack, online, or on the Shack App.
Shake Shack FREE Burger with $10 Purchase in May!
May 30, 2026 by Leave a Comment
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Shake Shack is celebrating National Burger month by giving its customers a FREE Burger with any $10 purchase now through the end of May!
Here’s what FREE burger they are offering each week:
May 1 to 10 – ShackBurger
May 11 to 17 – SmokeShack
May 18 to 24 – Bacon Cheeseburger
May 25 to 31 – ShackBurger
Be sure to use Promo Code: FREEBURGER for discount to apply!
Shake Shack BOGO Double ShackBurger!
October 31, 2025 by Leave a Comment
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Shake Shack has scary good specials throughout the month of October! Now through October 31st, buy a Double Shack Burger & get one FREE when you use promo code: SPOOKY! Their signature burger is piled with 2 100% Angus beef, American cheese, lettuce, tomato, and ShackSauce, it’s a double helping of a classic to cap off spooky season and head into Halloween! Don’t forget they have a free Chicken Shack sandwich with a $10 purchase on Wednesdays.
Shake Shack Buy 1 Chicken Shack, Get 1 FREE!
October 20, 2025 by Leave a Comment
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Shake Shack launched a new promotion where you can get a FREE Chicken Shack when you buy one using promo code: SPOOKY now through October 21! Don’t forget they have a free Chicken Shack sandwich with a $10 purchase on Wednesdays.
Shake Shack Buy 1 Smokeshack Burger, Get 1 FREE!
October 5, 2025 by Leave a Comment
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Shake Shack launched a new promotion where you can get a FREE Smokeshack Burger when you buy one using promo code: SPOOKY now through October 11! Don’t forget they have a free Chicken Shack sandwich with a $10 purchase on Wednesdays.
Shake Shack FREE Shackburger with $10 Purchase
May 28, 2025 by Leave a Comment
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Shake Shack is celebrating National Hamburger Day by giving its customers a FREE Smokeshack Burger with any $10 purchase now through June 1, 2025! Be sure to use Promo Code: BURGERMONTH for discount to apply!
Shake Shack FREE Fries Friday!
August 4, 2023 by Leave a Comment
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Shake Shack launched a new promotion where you can get FREE Fries with any $10 purchase any Friday through September 1, 2023! Be sure to use Promo Code: FRYDAY for discount to apply!
Shake Shack Buy 1 Shake, Get 1 FREE!
July 16, 2023 by Leave a Comment
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Now through July 31, 2023, Shake Shack is sweetening your afternoons with buy-one-get-one FREE shake special at participating locations when you place your order in the app or online! Choose from a variety of tasty shakes like the Sprinkle Cookie Shake or the Oreo Cookie Funnel Cake Shake. Simply place your order for any size or flavor shake in the app or website and enter Promo Code: SHAKEITUP at checkout for discount to apply! Pick up must be scheduled between 2:00 p.m. – 5:00 p.m.