Shake Shack is offering buy 1 Double ShackBurger and get a second Double ShackBurger FREE (up to $10.49) for a limited time. To get this deal, order one their website or through their mobile app and use the coupon code: DADMODE at checkout. Terms and conditions can be found here. Deal expires on June 16, 2025.

Shake Shack is celebrating National Hamburger Month by offering a different FREE Single Shake Shack Burger every week with any order of $10+ for a limited time. To get the discount, adding Single Shake Shack Burger to your order in your mobile app, online, or in-store kiosk and use the coupon code: BURGERMONTH at checkout. One time use per order. Max savings of up to $11.49. Order total must include a minimum of $10 worth of food or beverage products (including burgers, sandwiches, fries, chicken bites, hotdogs, drinks, shakes, frozen custard, poochinis, bag o’ bones), excluding the cost of the Promotional Burger, gift card purchases and, any applicable taxes, delivery fees or other fees. While supplies last. Cannot be combined with any other offers or promotions.

• Till May 11: get a Shake Shack SmokeShack Burger with $10 or more purchase
• From May 12-18: get a Shake Shack Bacon Cheeseburger with $10 or more purchase
• From May 19-25: get a Shake Shack Avocado Bacon Burger with $10 or more purchase
• From May 26 to June1: get a Shake Shack ShackBurger with $10 or more purchase

Every Sunday til Dec 15, 2024, Shake Shack is still offering FREE Chicken Shack Sandwich with any order of $10+ for a limited time. To get the discount, adding Chicken Shack Sandwich to your order in your mobile app, online, or in-store kiosk and use the coupon code: CHICKENSUNDAY at checkout. One time use per order. Max savings of up to $9.79.

Every Friday til March 15, 2024, Shake Shack is offering FREE Crinkle Cuts Fries with any order of $10+ for a limited time. To get the discount, adding Crinkle Cuts to your order in your mobile app or online and use the coupon code: FRYDAY at checkout. One time use per order. Max savings of up to $4.09.

From 2pm and 5pm local time, Shake Shack is also offering buy 1 shake and get a second shake FREE (up to $6.79) for a limited time. To get this deal, order one their website or through their mobile app and use the coupon code: TWOFORFUN at checkout. Terms and conditions can be found here. Deal expires on March 27, 2024. I dont think there is a way to stack these deals.

Every Friday til September 1, 2023, Shake Shack is offering FREE Crinkle Cuts Fries with any order of $10+ for a limited time. To get the discount, adding Crinkle Cuts to your order in your mobile app or online and use the coupon code: FRYDAY at checkout. One time use per order. Max savings of up to $4.09.