Looking for the best National Cheeseburger Day deals for 2026? We rounded up 18 offers for September 18, with the prices, purchase requirements and restaurant links in one place. Pick your burger, check the terms and make today’s lunch or dinner a little more delicious.
Free Cheeseburgers With a Purchase
The burger is free; the required purchase is not. Check the minimum before ordering.
01 McDonald’s
September 18
FREE Double Cheeseburger
$1+ purchase • Rewards app
Open the McDonald’s app, check your available offer and apply it before checkout.
Get a single Original Cheeseburger Signature Stackburger at participating U.S. DQ Grill & Chill locations. Sign in and redeem the offer with an eligible order. One redemption per person.
Good to know: New rewards can take up to 24 hours to appear. If you join today, the coupon may not arrive before this promotion ends—check your account before ordering.
Find a smaller price tag without confusing a discounted burger with a completely free meal.
05 Smashburger
September 18
$1 Single Smash
Smash Rewards required
Choose beef, black bean or Chicken Smash. Redeem in-restaurant with your account or order same-day pickup through Smashburger’s app or website. One offer per account and transaction.
Good to know: Premium add-ons cost extra. Crispy chicken substitutions and the Smoked Brisket Bacon Smash are excluded. No third-party delivery or catering.
Use the $1.99 Dave’s Single in-app offer with a purchase at participating U.S. restaurants. An app account is required; make sure the discount is applied before you pay.
Buying for two—or want fries included? These offers are worth a look.
11 Five Guys
September 16–18 • Ends today
Buy One Burger, Get One FREE
Code BOGOBURGER • Digital orders
Add two burgers to your cart; the equal-or-lower-priced one is free. Sign in and use BOGOBURGER in the Five Guys app or website for pickup or direct delivery.
Good to know: One redemption per online account. Not valid in-store, through third-party delivery or for future-dated orders. The code expires at midnight local time.
MOOYAH’s website directs customers to its app for the National Cheeseburger Day BOGO. Open the offer to check qualifying burgers and your restaurant’s terms.
Choose a Classic Burger or Classic Cheeseburger with fries. Dine in or order through Applebee’s website or app at a participating restaurant.
Good to know: Not valid through third-party delivery. Tax and gratuity are extra. A handy choice when you want fries included instead of a burger-only discount.
Choose the restaurant you’ll actually visit. Use its branded button above, then select the correct location.
Sign in before ordering. If the deal requires a rewards account, open the Offers or Rewards section and read the coupon.
Build the qualifying order. Add the right burger and any required purchase. Enter the listed promo code or activate the offer.
Check the final total. Do not pay until the promised discount is visible. Ask the restaurant for help if the offer is missing.
National Cheeseburger Day Deals: Frequently Asked Questions
When is National Cheeseburger Day in 2026?
National Cheeseburger Day falls on Friday, September 18, 2026. The dates on each card show whether that restaurant’s promotion is one-day-only or part of a longer offer.
Are the free cheeseburgers completely free?
The free-burger offers in this guide require a qualifying purchase. BOGO means you buy one item to receive another at no additional charge. Read the requirement on each card so you know what you’ll spend.
Why isn’t a deal showing in my restaurant app?
Make sure you’re signed in, have selected a participating location and are using the required ordering method. Some rewards take time to load; joining a program does not guarantee same-day access to every coupon. If it still doesn’t appear, check with the restaurant before spending money.
Can I combine these offers with other coupons?
Don’t assume discounts stack. The individual offer terms control whether other coupons, rewards or delivery orders qualify.
Updated September 18, 2026. Sources are linked with each offer: official restaurant pages where available, plus current reporting from TODAY/NBC, NerdWallet and Brand Eating. Availability, participating restaurants and account eligibility can vary. Confirm your offer before making a trip or placing an order.
