McDonald's Offers Free Double Cheeseburgers on National Cheeseburger Day

McDonald's is celebrating National Cheeseburger Day by giving away free double cheeseburgers to its customers. On September 18, 2026, customers can get a free double cheeseburger with any $1 purchase at participating locations.

The offer is only valid for one double cheeseburger per customer and must be placed through the McDonald's app. Taxes may still apply and delivery orders are excluded from this promotion.

Before ordering, customers should verify that their local McDonald's is participating in this offer. The free double cheeseburger deal is a one-time offer for National Cheeseburger Day only.