UPDATE: National Cheeseburger Day is just around the corner, falling on Thursday, September 18, 2025, and major fast-food chains are rolling out mouthwatering deals that you won’t want to miss! From $0.50 Double Cheeseburgers to exclusive buy-one-get-one offers, burger enthusiasts can celebrate with incredible savings.
McDonald’s is kicking off the celebration with a sizzling deal: a 50-cent Double Cheeseburger available exclusively through the McDonald’s app. This offer, which the company labels as one of their most popular, is bound to attract cheeseburger fans nationwide.
Meanwhile, Burger King is pulling out all the stops with a week of deals leading up to National Cheeseburger Day. On September 18, members of the Royal Perks loyalty program can grab a free Bacon Cheeseburger with any purchase of $1 or more. Additional daily offerings include a free Croissan’wich and a free Whopper Jr. throughout the week.
For those looking for variety, White Castle has a buy-one-get-one-free Cheese Slider deal from September 18 through 21. Customers can use the code “SAYCHEESE” to redeem this appetizing offer.
Buffalo Wild Wings is also in on the action, providing Rewards members with a buy-one-get-one free burger deal on September 18. This special is available for dine-in, takeout, or delivery, making it easy for fans to indulge.
Not to be outdone, SONIC is offering a buy-one-get-one deal on their Double Sonic Smashers exclusively through their app on the same day.
In collaboration with DoorDash, Shake Shack will offer customers $9 off any order of $25 or more, making it easier to enjoy premium burgers from the comfort of home.
Whataburger is adding to the excitement by providing free fries or onion rings with the purchase of their No. 5, the Bacon & Cheese Whataburger, exclusively through their app on September 18.
The cheeseburger festivities continue at Freddy’s Frozen Custard & Steakburgers, where customers will receive a free Original Double Steakburger with any purchase of $10 or more from September 18 through 21.
Applebee’s is making burgers accessible with any Classic Handcrafted Burger and fries priced at just $8.99 on September 18.
Additionally, Red Robin is serving up the Big Yummm Burger for just $9.99 on the same day, featuring their signature double burger with unlimited sides.
For those seeking even more savings, Checkers & Rally’s will offer their Big Buford for just $3 from September 16-18, while Portillo’s provides 50% off regular cheeseburgers for Perks members from September 15-19.
Finally, Carl’s Jr. is celebrating by offering a half-priced Western Bacon Cheeseburger when paired with a large drink on September 18.
All these deals make National Cheeseburger Day an event not to be missed. Prepare your taste buds, mark your calendars, and get ready to savor the savings and deliciousness this September 18!
Stay tuned for more updates and make sure to check your favorite burger joint’s app for additional details on these limited-time offers.
