Sept. 18 marks National Cheeseburger Day. That means many restaurants have discount deals for cheeseburger connoisseurs.

Thursday, Sept. 18, is National Cheeseburger Day. Here's the best deals, from freebies to BOGOs, at McDonald's, Burger King, Wendy's and more.

Sonic Drive-In is kicking off the NFL season with a sizzling play it hopes will score big with fans: A buy-one, get-one-free deal on its Double Sonic Smasher burger.

Sonic App: If you love freebies, be sure to download the Sonic App for downloading the app for specials and deals and 1/2 price drinks. Often, you can get a FREE item just for mobile ordering. I love ...

Sonic is kicking off football season with a buy one, get one free smashburger deal that will go all month long. Burger lovers can order a double Sonic smasher and get the second one free, the drive-in ...

SONIC Teachers’ Circle is a free rewards program exclusively for educators and is available through the SONIC App.** Any teacher, faculty or staff at a K-12 or degree-granting university can sign up ...

The seasonal sweet treat officially launches Sept. 30, but Sonic app users can try it now SONIC Sonic is ready for spooky season! The fast food chain just announced a witchy new addition to its menu ...

Many Illinois chains are offering deals and freebies to celebrate National Cheeseburger Day on Sept. 18. Here's where to go.

Sonic has launched a “Daily Cravings & Savings” lineup with deals as low as $1.49 as fast-food chains continue to push discounts to lure cash-strapped customers. Sonic will offers deals on menu items ...