Shake Shack Offers Free Burger with $10+ Purchase Throughout May 2026

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.

Photo via Shake Shack.