Flame-grilled burgers are certainly a summer staple! Luckily, you don’t have to shell out to enjoy one for yourself—Burger ...

There is a limit of one free Whopper per account per day, and the offer does not include every Whopper on Burger King's menu.

Online or via app: Go to the "Offers" section in the Burger King app, activate the promotion, and add it to a $1+ eligible order. Through the website: Log in at bk.com and use the deal during checkout ...