National Hamburger Day 2026 Freebies & Deals

Bad Daddy’s Burger Bar – On May 28th, you can get a $10 BD’s All-American Burger & a classic side.

Burger King — Royal Perks members can enjoy a FREE hamburger with an online or in-app purchase of $3 or more on National Hamburger Day.

Checkers & Rally’s – From May 27th-May 28th, get a BOGO FREE deal on a Classic Burger.

Dairy Queen –– From May 25th – 31st, Rewards Members get $1 off any Signature Stackburger.

Farmer Boys – On May 28th, VIF Members can pick up a $3.99 Big Cheese Cheeseburger.

Habit Burger — Through June 3rd, MyHabit members can enjoy two Charburgers for the price of one! You can find this deal on the Habit app.

Jack in the Box – On May 28th, grab a FREE Jr. Jumbo Jack w/ $1+ purchase.

Krystal — Stop by Krystal to score a $0.50 in-app exclusive deal on 5/28.

Shake Shack — From May 25th-31st, you can score a FREE ShackBurger with any $10+ purchase and promo code FREEBURGER online, in-app, or at a kiosk.

Sonic – Now until May 31st, get a FREE Burger with a $5+ purchase for Rewards members.

The Greene Turtle – On May 28th, get BOGO FREE classic burgers.

Wayback Burgers – Rewards Members can get $5 Classic Burgers.

White Castle — For the month of May, you can get a $25 gift card for $19.21.