In celebration of National Burger Month, Shake Shack is offering a deal where you can get a free burger with a purchase of $10 or more throughout May 2026.
The free burger varies by date. Here’s the schedule for the promotion:
- Through May 10, 2026 – Free ShackBurger
- May 11 through May 17, 2026 – Free SmokeShack
- May 18 through May 24, 2026 – Free Bacon Cheeseburger
- May 25 through May 31, 2026 – Free ShackBurger
The deal is available when ordering through the Shake Shack website, mobile app, or an in-restaurant kiosk using the code “FREEBURGER”.
If you’re a nurse or teacher, Shake Shack is offering a free ShackBurger or VeggieShack through May 12, 2026, at participating locations. Some form of ID to confirm your occupation is required.