$5.28 Smashburger Deal for National Hamburger Day
Get ready to celebrate National Hamburger Day with a massive steal! On May 28, score any single burger from Smashburger for just $5.28 and treat yourself.
Published on
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Deal Live Date
May 28, 2026
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Deal End Date
May 29, 2026
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$5.28 Deal
Happy National Hamburger Day 2026! 🍔 Smashburger is offering any single burger for just $5.28 for one day only. Just use the secret code at checkout and enjoy your favorite burger for a steal. The deal ends May 28 when stores close, so do not wait too long. Looking for even more savings? Check out this free Burger King hamburger and these May food freebies and deals.
Deal Summary:
Offer | Price | Expiration | Limit |
Any Single Patty Burger | $5.28 | May 28, 2026 | Limit one per customer |
How to Claim Your $5.28 Burger
- The Deal: Get any single patty burger for a flat rate of $5.28.
- The Date: Thursday, May 28, 2026 (One day only!).
- The Platform: Valid for online orders via the website, the mobile app, or in-person at participating locations.
- The Promo Code: Enter code 528SINGLE at the checkout screen for digital orders, or mention the deal to your cashier.
Bonus Pro Tips to Level-Up Your Order
- Stack Your Points: Sign up for the official SmashRewards loyalty program and you will earn 10 points for every dollar you spend.
- Welcome Bonus: New loyalty members can unlock 5 off their first order over 15, so plan your next visit!
- The Catch: This promo is strictly for single burgers only, so double patties or chicken sandwiches might not apply to the discount code.
Want more food freebies and secret Smashburger hacks delivered straight to your pocket?
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Written by
Gigi S.
Food lover. App-order enthusiast. Full-time deal seeker. Gigi spends her time tracking price drops and rewards programs so you don't have to. If there's a BOGO deal or a $1 promo happening, Gigi is already in line, and she's here to show you how to get there, too. Deal Hunter at DealSeek
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