Today, September 19, 2025, you can get a free cheeseburger at several places with certain conditions:

• Dairy Queen is offering a free Double Original Cheeseburger Stackburger for DQ Rewards members who place an order of $1 or more through the app or online until today, September 19.
• Burger King is giving away a free Whopper Jr. with any purchase of $1 or more through their Royal Perks rewards program, valid today only.
• Jack in the Box is offering a free Jr Cheeseburger with any order of at least $1.
• Many other chains have cheeseburger deals but these are the main ones offering free cheeseburgers today with minimal purchase conditions.

So, to get a free cheeseburger today, join the rewards programs of Dairy Queen or Burger King (if not already members), place a small order of $1 or more through their apps or online ordering, and claim your free cheeseburger at participating locations.