Last Updated: September 1, 2023

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Smashburger Coupon

Free Entree with purchase of a side and drink, for signing up for SmashClub. Get a Free Side, Free Fries or Shake on your Birthday from Smashburger. Half Birthday freebie too

Valid at participating locations.

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Smashburger Coupon - Free Entree with purchase of a side and drink, for signing up for SmashClub. Get a Free Side, Free Fries or Shake on your Birthday from Smashburger. Half Birthday freebie too Valid at participating locations.
Most coupons are valid only at participating locations and not valid in AK, HI, PR or outside the USA. One coupon per person per visit. Not valid with other offers or coupons. Void where prohibited. Coupons not valid at airports, trains, and stadiums. Share: Share on Facebook Tweet coupon

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