It’s about to get really cheesy for cheeseburger lovers! National Cheeseburger Day is on September 18, 2025. And one of the best places to celebrate the big day is at Burger King. To many fast-food fans, Burger King is truly the king of all burgers and fries. And, for one day only, customers will be treated like royalty with a complimentary burger in celebration of the cheesy day.
Photo: Burger King
On September 18, 2025, Burger King is offering a FREE Bacon Cheeseburger with a minimum purchase of $1.
The offer is only available for Royal Perks members. Join Royal Perks here.
Limit one per person.
The giveaway is part of Burger King’s Perks Week celebration — from September 15 to 21, 2025.
Plus, you can also enjoy FREE fries every week at Burger King through the end of the year.
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