National Cheeseburger Day is only a few days away and to celebrate, Burger King is paying homage to its iconic, flame-grilled cheeseburger.

This September 18, all Royal Perks members can receive a free cheeseburger with any $1 purchase. This deal is exclusively available for Royal Perks members through the BK app or

Fast Food, Marketing & Promotions, News, Burger King