Shake Shack is celebrating National Burger Month by offering a free Shake Shack single burger with a $10 minimum purchase every single day in May, plus June 1. Order on the Shack App, online or at a kiosk in-Shack with the code BURGERMONTH. Each week, one of four different burgers will be offered. Max savings from $8.49 - $11.49.

Additional Info

Offer valid daily through Sunday, June 1st 2025. Offer not valid for drive-thru orders or orders made through third-party delivery apps. Limit one (1) free Promotional Burger per order. Max savings equal to the price of the Promotional Burger (from $8.49 - $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. Must add at least (1) applicable Promotional Burger to cart prior to checkout. Offer excludes all paid add-ons such as avocado and bacon. While supplies last. Cannot be combined with any other offers or promotions. Must use promotional code ‘BURGERMONTH' at checkout. Code is case sensitive. Offer code will only work in all caps.

Weekly Free Burgers w/ $10 Purchase:

• 5/1 – 5/11: SmokeShack - a single, double or triple 100% Angus beef patty with American cheese, applewood-smoked bacon, chopped cherry peppers and ShackSauce served on a toasted potato bun.
• 5/12 – 5/18: Bacon Cheeseburger - beef patties topped with American cheese and bacon on a toasted potato bun.
• 5/19 – 5/25: Avocado Bacon Burger - beef patties topped with American cheese, sliced avocado, bacon and ShackSauce served on a toasted potato bun.
• 5/26 – 6/1: ShackBurger - beef patties with American cheese, lettuce, tomato and ShackSauce on a toasted potato bun.