National Cheeseburger Day is Friday, 9/18 | Where to Score Free & Cheap Burgers

Celebrate your buns off with these National Cheeseburger Day deals! 🍔

Friday, September 18th, is National Cheeseburger Day 2026, and many restaurants will celebrate with tasty deals on cheeseburgers!

Participation may vary by location, so it’s always a good idea to call ahead and ensure that your favorite burger joint will be serving up some juicy deals before heading out.

Here are all the best National Cheeseburger Day deals you can grab this year…

Score a cheeseburger w/ fries for just $8.99 at Applebee’s.

On Friday, September 18th, you can order Applebee’s Classic Cheeseburger, Classic Burger, or Classic Bacon Cheeseburger with fries for just $8.99. This offer is available for dine-in, to-go, and delivery via the Applebee’s mobile app (iOS, Android) or on Applebees.com.

Grab the burger of the month and fries for $10 at Bad Daddy’s Burger Bar.

On National Cheeseburger Day 2026, Bad Daddy’s will be serving up its Jalapeno Business burger with a choice of fries, sweet potato fries, tots, or homemade chips for just $10!

Get $5 Cheesy Burgers at Burger 21.

On September 18th, 2026, Patty Perks Rewards members can get $5 Cheesy Burgers at Burger 21. This offer can be found in the Patty Perks app.

Royal Perks members can grab a free bacon cheeseburger & more at Burger King.

On National Cheeseburger Day 2026, all Royal Perks members (free to join) can get a free bacon cheeseburger with any $3 purchase. This deal is exclusively available for Royal Perks members through the BK app or bk.com.

Burger King will also offer a full week of special offers in honor of National Cheeseburger Day, as follows:

• Monday, 9/14: FREE Rodeo Burger with a $3+ purchase
• Tuesday, 9/15: Buy one Whopper Jr. get one FREE
• Wednesday,  9/16: FREE Croissan’wich with a $3+ purchase
• Thursday, 9/17: FREE Hamburger with a $3+ purchase
• Friday, 9/18: FREE Bacon Cheeseburger with a $3+ purchase
• Saturday, 9/19: FREE 4-Piece Nuggets with a $3+ purchase
• Sunday 9/20: FREE Original Chicken Sandwich (OCS) with a $3+ purchase

Score a free Stackburger from Dairy Queen.

From September 14th through the 18th, DQ fans can enjoy a FREE Single Original Stackburger with any app order of $1 or more.

Buy one QP burger and get half off the second one at Denny’s.

On September 18th, Denny’s customers who purchase the Diner QP burger can get a second Diner QP burger at 50% off.

The Diner QP burger has 50% more beef than your typical fast food joint’s quarter pound patty. It’s also part of Denny’s Triple Play menu, meaning you can add your choice of drink and a starter for just $9.99.

Get a $3.99 Big Cheese at Farmer Boys.

On Friday, September 18th, VIF members can get a Big Cheese cheeseburger at Farmer Boys for only $3.99.

Grab a free Double Cheeseburger with your McDonald’s purchase.

On September 18th, MyMcDonald’s Rewards members can score a free Double Cheeseburger with any $1 purchase.

Score a free cheeseburger with your Mooyah purchase

Loyalty members who download the Mooyah app before September 18th will receive an offer for a free burger with the in-app purchase of a second burger!

Enjoy a Big Yummm Burger Deal for $9.99 at Red Robin.

On September 18th, you can treat yourself to Red Robin’s Big Yummm Burger Deal for just $9.99. You’ll get a Red’s Double Tavern Burger (that’s two smashed, seared beef patties), along with a Bottomless Side and a Bottomless Beverage for under $10!

Score a $1 Single Smash at Smashburger.

On National Cheeseburger Day 2026, new and existing SmashRewards members can unlock an exclusive $1 Single Smash offer through their Smashburger rewards account.

Get $3.50 Cheeseburgers at Wayback Burgers.

On Friday, September 18th, Wayback Burgers will celebrate National Cheeseburger Day with single cheeseburgers for just $3.50. Note that there’s a limit of 2 per order at this price.

Use this kitchen hack to make a batch of cheeseburger sliders fit for a crowd! 🍔