September 18th is National Cheeseburger Day and That Means Deals
Sep 17, 2026, 9:52 AM
National Cheeseburger Day is Friday, Sept. 18, which means dinner plans just got easier. Finally, a holiday we can all support without needing matching outfits or a centerpiece.
Five Guys
Through Friday, Sept. 18, the burger chain has a buy one, get one free burger of equal or lesser value. You can get the deal on the Five Guys website or Five Guys app. Just put two burgers in your cart for pickup or first-party delivery; enter the code BOGOBURGER at checkout. (Offer not good for in-store purchases; one code per transaction and one redemption per Five Guys online account.)
Burger King
The fast-food chain has deals throughout the week for members of its Royal Perks loyalty program:
- Thursday, Sept. 17: Get a free hamburger with a purchase of $3 or more.
- Friday, Sept. 18: Get a free bacon cheeseburger with $3 minimum purchase.
- Saturday, Sept. 19: Free four-piece nuggets with a $3 minimum purchase.
- Sunday, Sept. 20: Free Original Chicken Sandwich with a $3 minimum purchase.
Carl’s Jr.
The two fast-food chains each have National Cheeseburger Day deals. At Carl’s Jr. restaurants on Thursday, Sept. 17, and Friday, Sept. 18, members of the Carl’s Jr. Rewards loyalty program can get any burger for half price with the purchase of any Hand-Scooped Ice-Cream Shake. Get the deal in the Carl’s Jr. app.
Grubhub
The delivery service has several deals for National Cheeseburger Day on Friday, Sept. 18. There’s no delivery and service fees on restaurant orders of $50 or more. Here are some deals from specific brands:
- Burger King: Buy one Whopper Jr., get one free on Sept. 18.
- Wendy’s: Get a free Baconator on orders of $20 or more on Sept. 18.
- Outback: Get 20% off your order of $55 or more, through Sunday, Sept. 20 (offer good for new diners only; max $11 off).
McDonald’s
Members of the MyMcDonald’s Rewards loyalty program can get a free double cheeseburger on Friday, Sept. 18, with a minimum purchase of $1. Get the reward in the McDonald’s app.
Wendy’s
Wendy’s has a special for members of the Wendy’s Rewards loyalty program on Friday, Sept. 18 – with any purchase, you can add on a Dave’s Single Cheeseburger for $1.99. Find the offer in the Wendy’s app or on the website. The one-time use offer is good for a limited time at participating U.S. Wendy’s locations.
More National Cheeseburger Day deals:
- Applebee’s: The restaurant chain has a National Cheeseburger Day deal consisting of a Classic Burger or Classic Cheeseburger served with fries for only $8.99 for dine-in or to go. During the month of September, you can also get the O-M-Cheese Burger and O-M-Cheese-adilla Burger on Applebee’s 2 for $25 menu (dine-in only). Also, during the NFL season, you can get six free Boneless Wings every week by joining the Club Applebee’s loyalty program. Each week during the NFL season, you will get a code for the freebie, which you can redeem Sunday through Thursday with an online purchase of $15 or more.
- Bad Daddy’s Burger Bar: The burger restaurant chain has a special on its Jalapeño Business burger with a classic side for $10 (dine-in only).
- BJ’s Restaurant & Brewhouse: On Friday, Sept. 18, get an All American Smash Burger, plus your choice of a personal-size signature Pizookie, for only $13 or, for $4 more, upgrade your meal with the Spooky Pizookie.
A quick mom tip: Download the app before you’re in the drive-thru with hungry kids asking 47 questions. Some deals require a rewards account, and nobody needs that kind of pressure while blocking lane two.
As always, deals vary by location, so check your nearest Colorado restaurant before heading out. Then celebrate responsibly — with fries.
