Last Chance to Score a FREE Shake Shack Burger (Here’s How!)

By Cara | Staff Writer
May 31, 2026 @ 7:22 AM MDT

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Feeling hungry? Grab Shake Shack on the cheap with the latest promo code! 🍔

side view of a cheeseburger with lettuce and tomato

Today, May 31st, is your last day to head over to Shake Shack where they’ve been celebrating National Burger Month by offering a FREE ShackBurger Single when you spend $10 and use promo code FREEBURGER at checkout in the app, online, or at a kiosk in-store!

Score a FREE ShackBurger through May 31st…

Buy 1 ShackBurger Single Burger $7.99
Buy 1 Mac & Cheese $5.99
Buy 1 Regular Vanilla Shake $5
Total = $18.98
Use promo code FREEBURGER
Final cost $10.99 total!

*Note that prices may vary by region.

HIP TIP: Currently living the keto lifestyle? Our Keto Shake Shack Burger recipe needs to be on your dinner rotation!

Looking for more cheap eats? Head this way!

About the writer:

Cara is a deal-loving writer with over two decades of experience across a variety of publications and digital platforms. She now creates fun, high-performing deal content readers love to click at Hip2Save.

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