Five Guys is celebrating a big milestone this year, and fans are getting a chance to score a rare deal. Five Guys recently celebrated its 40th birthday with a special buy-one-get-one burger promotion. The response was bigger than expected. Because the burger chain rarely offers discounts, the promotion quickly went viral, leaving many locations overwhelmed. Some restaurants even ran out of ingredients, and many fans had trouble accessing the deal online.
To make things right for customers who missed out, Five Guys is bringing the deal back for a second round of birthday celebrations.
From March 9 through March 12, 2026, Five Guys is offering a buy-one-get-one FREE burger (of equal or lesser value) at participating locations. It’s essentially a second chance to celebrate the brand’s 40th anniversary and grab a great burger deal at the same time.
Five Guys Buy One Get One
• Buy one burger and get another free (equal or lesser value)
• Valid March 9–12, 2026
• Must order online through the Five Guys website or mobile app
• Use promo code FGAFTERPARTY at checkout
• Offer not valid for in-store orders
• A Five Guys account is required to redeem the deal
While Five Guys doesn’t typically run many promotions, this limited-time offer is a great opportunity for burger fans to save a little money. If you’ve been craving one of their famous burgers and fresh-cut fries, this might be the perfect excuse to celebrate their birthday — again.
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