UNITED STATES — September 17, 2026 — National Cheeseburger Day 2026 falls on Friday, September 18, and major fast-food and casual chains are rolling out freebies, BOGO offers and discounted burgers across the country.
Here is everything Americans need to know about the date and the biggest verified deals this year.
When Is National Cheeseburger Day 2026?
National Cheeseburger Day is celebrated every year on September 18. In 2026 the holiday lands on a Friday, making it an easy end-of-week treat for burger fans.
It is different from National Burger Day (May 28). This one specifically celebrates the cheeseburger.
Biggest Deals for National Cheeseburger Day 2026
Five Guys – Buy One Get One Free (Sept 16–18)
Five Guys is running a rare BOGO burger promotion from September 16 through September 18. Buy any burger and get a second burger of equal or lesser value free.
How to redeem: Order only through the Five Guys app or website. Enter code BOGOBURGER at checkout. One redemption per account. Not valid in-store or on third-party delivery apps.
Whataburger – Free Bacon & Cheese Whataburger Jr.
Rewards members can get a free Bacon & Cheese Whataburger Jr. with the purchase of medium fries or onion rings on September 18. Redeeming the offer also enters customers into a giveaway for free Whataburger for a year.
Shake Shack – $5 ShackBurger or Cheeseburger
Use code BURGERDAY in the Shake Shack app, website or in restaurants on September 18 to get a ShackBurger or Cheeseburger for $5 with any purchase.
Burger King – Free Bacon Cheeseburger
Royal Perks members can get a free Bacon Cheeseburger with a $3 minimum purchase on September 18 as part of Perks Week (September 14–20).
Other Notable Offers
- Smashburger: Loyalty members can get any single Smash Burger for $1 on September 18 at participating locations.
- Applebee’s: Classic Burger or Classic Cheeseburger with fries for $8.99 on September 18.
- Wahlburgers: 50% off Our Burger or Our Burger Smash on September 17 (one day early).
Participation varies by location. Always check the official app or call ahead before visiting.
This is a developing deals roundup. Shivam Das News will update as more offers are confirmed.
