Smashburger Free Burger Deal at Smashburger
Smashburger’s promotion lets you buy one burger or Big Dog and receive a second one free.
The deal
The offer is available at participating U.S. locations and can be redeemed online with the code SEPBOGO26 , in the app, or by mentioning the deal in‑store.
Why we like it
The deal runs from September 28 through October 3, 2026, giving diners a generous window to take advantage. The free item must be of equal or lesser value, and only one free offer is allowed per transaction. Premium upgrades, taxes, and delivery fees still apply.
Key features
This promotion is ideal for families, college students, or anyone looking to enjoy Smashburger’s signature flame‑grilled burgers without paying for the second one. It’s a great way to try new menu items or share a meal with friends.
Who it's for
To claim the offer, simply visit a participating Smashburger restaurant, use the online code, or mention the promotion when ordering. The deal is limited to in‑store and app purchases; third‑party delivery services are excluded.
Bottom line
Keep in mind that the promotion excludes certain items such as the Smoked Brisket Bacon Smash and crispy chicken items. Also, catering orders are not eligible. Make sure to check the terms at your local location before ordering.
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