National Cheeseburger Day is September 18th and we're celebrating with a tasty offer for Perks members all week long!
Perks Members Get 50% Off a Burger
Starting September 15th, Portillo’s Perks members get 50% off a burger to celebrate National Cheeseburger Day. For current members, the offer is already in your account!
How to Redeem:
- In-Restaurant: Add a cheeseburger to your order, then scan your Perks card or enter your phone number at checkout.
- Online or In the App: Log in, add a cheeseburger to your order, and hit “apply offer” at checkout.
If you're not a Perks Member yet:

The Fine Print:
*Prior to expiration, get 50% off one (1) cheeseburger or hamburger. Includes standard toppings. No additional add-ons. Limit 1. Offer will be applied to the more expensive qualifying item. If redeeming online, offer only valid through portillos.com or Portillo's app. Not valid on third party delivery sites. Cannot be combined w/other offers. Expires on 9/21/2025 for existing members and 7 days after sign up for new members. See full Terms at portillos.com/perks-terms.
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News, Menu, Portillo's Perks