Here’s where you can score a deal on May 28.
National Hamburger Day lands on Thursday, May 28, and chains from fast-food giants to fast-casual favorites are marking the occasion with freebies, steep discounts and limited-time offers.
Here’s where to find the best deals on May 28:
National Hamburger Day 2026 Deals
Bad Daddy’s Burger Bar: BD’s All-American Burger with a classic side for $10 at participating locations. May 28 only.
Bobby’s Burgers by Bobby Flay: The restaurant’s signature Crunchburger is priced at $5.28 for the day.
Buffalo Wild Wings: Offering 50% off any burger ordered through Buffalo Wild Wings GO for takeout or delivery. Customers must use promo code GOBURGER. The deal is valid May 28 only.
Burger King: Royal Perks members can score a free hamburger with any purchase of $3 or more through the Burger King app or website on May 28 at participating locations.
Checkers & Rally’s: BOGO Classic Burger deal at participating locations on May 27 and May 28.
Dairy Queen: $1 off any Signature Stackburger, including the Backyard Bacon Ranch, Bacon Cheese Deluxe, FlameThrower, Cheese Deluxe and Original Cheeseburger, for rewards members only.
Jack’s: $1 Hamburgers from 2 p.m. to close. Limit five per order, available in-store and online at all locations.
Shake Shack: Free ShackBurger with any purchase of $10 or more. Use the promo code FREEBURGER when ordering online or through the Shake Shack app.
Smashburger: Any single burger is $5.28 all day at participating locations. The offer is available in-store and online using the code 528SINGLE at checkout.
Steak ‘n Shake: Wear or show an American Flag item (hat, shirt, pin, etc.) in-store for a free Double Steakburger. Limit 1 per person.
Sonic: Free SONIC Smasher or All-American Smasher with a $5 purchase, from May 4-31.
Wayback Burgers: Rewards members can get Classic Burgers for $5 each, with a limit of two per order and per rewards account.
Whataburger: Free Whataburger to customers who order a medium fry and medium drink online or by scanning the app in-store on May 28. The chain is also running a separate sweepstakes for a year’s worth of food for customers who order that day.
White Castle: Get a 10-Sack of Original Sliders for $8.99 on May 28.