National Hamburger Day 2025 Freebies & Deals

Buffalo Wild Wings — Get half off the price of any burger on May 28th when you use the promo code GOBURGER at checkout.

Burger King — Royal Perks members can enjoy a FREE hamburger with an online or in-app purchase of $1 or more on National Hamburger Day.

Dairy Queen –– Through June 1st, enjoy Buy One Signature Stackburger, Get One for $0.99!

Epic Burger — Get a $5 burger at Epic Burger on National Hamburger Day. Limit one per person.

Friendly’s — New Fan Club Rewards members can score a FREE Founder’s Burger when they download the Friendly’s app and join the Fan Club. Valid through May 31st.

Krystal — Stop by Krystal to score a $1 Krystal when you use promo code KRYSTALDAY at checkout online or in-app.

Shake Shack — On May 28th, you can score a FREE ShackBurger with any $10 purchase and promo code BURGERMONTH online or in-app.

Wendy’s — Get a $1 Dave’s Single with any purchase every Saturday through July 26th.

White Castle — Grab six White Castle Sliders for just $4 total. This offer is available online, in-app, and in-store.