TL;DR
Jack in the Box is offering its Smashed Jack burger for $5 from September 12-18 as part of Burger Week. The promotion includes additional deals on Jr. Cheeseburgers on National Double Cheeseburger Day and National Cheeseburger Day.
Burger Week features seven days of $5 Smashed Jacks, with two additional days featuring burger offers.
SAN DIEGO--(BUSINESS WIRE)--Jack in the Box is offering the Smashed Jack for $5 from September 12–18, available in-store and on the Jack App.
The Smashed Jack was introduced in 2024 and is now a core menu item. During Burger Week, it is available for $5.
9/12 – 9/18: $5 Smashed Jack available in-store and on the Jack App
9/15 (National Double Cheeseburger Day): Buy one Jr. Cheeseburger, get one free on the Jack App
9/18 (National Cheeseburger Day): Free Jr. Cheeseburger with $1 purchase on the Jack App
Offers are available in-store and through the Jack App and Jack Pack Rewards.
This story was originally published in Franchising.com on September 12, 2025. Burnaze summarizes and links to the original reporting.
Read the full story at Franchising.comLiked this? Get the week's franchise news, explained
- Sunday 8 AM ET weekly + a monthly deep dive
- Sections picked for the industries you follow
- Every claim linked to its source. Free.