National Cheeseburger Day 2025 is here! On Thursday, September 18, some of the biggest restaurant chains across the U.S. are serving up free cheeseburgers, BOGO deals, and discounts under $5. Whether you’re craving a quick bite from McDonald’s, Burger King, or Sonic—or a sit-down burger meal at Applebee’s—this roundup has all the best offers sorted by value.
Free Cheeseburger Deals
Burger King – Free Bacon Cheeseburger with any $1+ purchase for Royal Perks members in the app or online (Sept. 18 only).
Wendy’s – 1¢ Jr. Bacon Cheeseburger with any purchase in the Wendy’s app (Sept. 18–22).
Dairy Queen – Free Double Original Cheeseburger Stackburger with any $1 purchase (Rewards members; Sept. 15–19, app/online).
Jack in the Box – Free Cheeseburger with any $1+ purchase for Jack Pack Rewards members in the app (Sept. 18 only).
BOGO (Buy One, Get One Free) Cheeseburgers
Buffalo Wild Wings – BOGO free burgers for Blazin’ Rewards members (Sept. 18; dine-in, carry-out, and delivery).
Sonic Drive-In – BOGO free Double Sonic Smasher when ordering through the Sonic app (Sept. 18 only).
White Castle – BOGO free Cheese Sliders with code SAYCHEESE (Sept. 18–21; app/online orders).
Del Taco – BOGO free Del Cheeseburgers for Del Yeah! Rewards members (Sept. 18 only).
Cheap Cheeseburgers Under $5
McDonald’s – Double Cheeseburgers for just $0.50 in the McDonald’s app (Sept. 18 only).
Checkers & Rally’s – Big Buford for $3 (Sept. 16–18; participating locations, no coupon needed).
Smashburger – Any single Smashburger for $4.99 with code BURGERDAY25 (Sept. 18; online, in-app, or in-store).
Carl’s Jr. – Western Bacon Cheeseburger for half price with purchase of a large drink (Sept. 18 only; West Coast locations).
Burger + Fries Meal Deals
Applebee’s – Classic Cheeseburger (or Bacon Cheeseburger) + Fries for just $8.99 (Sept. 18 only; dine-in, to-go, or online).
