National Hamburger Day Is May 28th | Celebrate w/ Cheap Burgers, BOGOs, and More!

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holding a double cheeseburger

Every year, National Hamburger Day is celebrated on May 28th to honor one of America’s most beloved foods. Whether you’re craving a classic hamburger, a gourmet stack with all the fixings, or a plant-based patty, there are sure to be deals for every burger lover!

This year, we expect many nationwide chains to observe the day with cheap burgers, BOGO offers, and maybe even a freebie or two! So get ready to sink your teeth into these juicy deals, and check back often as National Hamburger Day 2025 approaches! We’ll be beefing up this list with all the latest offers as they’re announced. 🍔

using burger king app on iphone

Grab free food during Burger King’s Perks Week.

Burger King is celebrating Perks Week from May 22nd through May 28th. Royal Perks members can log into their app and look under the “offers tab” for deals like free items with a $1+ purchase and BOGO Whoppers. Here’s the daily lineup:

  • May 22: Free Cheeseburger with a $1 purchase
  • May 23: Free Whopper Jr. with a $1 purchase
  • May 24: Free Frozen Fanta Strawberry with a $1 purchase
  • May 25: Free 4-piece Nuggets with a $1 purchase
  • May 26: BOGO Whoppers
  • May 27: Free Original Chicken Sandwich with a $1 purchase
  • May 28 (National Hamburger Day): Free Hamburger with a $1 purchase

holding a Dairy Queen burger next to fries and a shake

Save on Stackburgers at Dairy Queen.

From May 26th through June 1st, DQ Rewards Members can buy any Signature Stackburger at Dairy Queen and score a second one for just 99¢. This offer is available only in the DQ Mobile App.


cheeseburger on Farmer Boys wrapper

Get a Big Cheese for just $4 at Farmer Boys.

On May 28th, VIF Loyalty members (free to join) can score a $4 Big Cheese at Farmer Boys.


Krystal sliders in red wrapp cartons next to fountain sodas

Get Krystal sliders for just $1 each.

On May 28th, Krystal sliders will be just $1 with promo code KRYSTALDAY (both online and in the Krystal app).


4 burgers and some french fries

Get a free burger with your $10 Shake Shack purchase!

In celebration of National Hamburger Month, Shake Shack is offering a free burger when you spend $10 and use promo code BURGERMONTH at checkout (in the app, online, or at a kiosk in-store)!

Here’s the lineup of FREE Shake Shack burgers you can score each week throughout the month of May:

  • 5/1 – 5/11: SmokeShack
  • 5/12 – 5/18: Bacon Cheeseburger
  • 5/19 – 5/25: Avocado Bacon Burger
  • 5/26 – 6/1: ShackBurger

3 burgers

Burgers are just $5.28 at Smashburger.

On Wednesday, May 28th, you can get any single burger for just $5.28 at Smashburger! Enter code JUST528 at checkout to claim this offer. No minimum purchase is required!


holding two burgers

Enjoy $5 Classic Burgers at Wayback Burgers.

On May 28th, Wayback Burgers will offer $5 Classic Burgers when you order in-restaurant or through the Wayback Rewards program.

When Wayback Rewards members place three orders of $15 or more during the month of May, they can also earn 120 bonus points to redeem for free food!


a hand holding a wendys jr bacon cheeseburger

Get a Jr. Bacon Cheeseburger for just 1¢ at Wendy’s.

From Wednesday, May 28 through Sunday, June 1, fans can score a Jr. Bacon Cheeseburger for just 1¢ with any purchase at Wendy’s. This offer is valid when you redeem the exclusive digital offer in the Wendy’s app.


Whataburger, drink and fries

Whataburger Rewards members can enter to win free burgers for a year.

On May 28th, Whataburger Rewards members who order Whatameal menu items #1-8 will be entered to win free Whataburger for a Year. Whataburger will choose 75 Whataburger Rewards Members to receive five digital offers for free Whataburger menu items every month for a year (a $480 value)!

Note that you must order online or scan the app in-store to be entered. Whataburger reward members can also enter by emailing [email protected].


White Castle sliders, fries, and onion rings

Save on a White Castle gift card.

Now through May 30th, you can purchase a $25 White Castle gift card for just $19.21! This offer is valid in-castle only.


easy cheeseburger sliders

Celebrate National Hamburger Day at home with these easy, inexpensive, drool-worthy recipes!


About the writer:

Jenna has a Bachelor's Degree from Lycoming College and her Master's from Penn State, holding 4 years of writing experience between a variety of publications and Hip2Save.


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