Best Dunkin Donuts Shop Deals & Sales for September 2026

Today, Dunkin' will drop a code on their Instagram which can be redeemed via the Dunkin' app for a free medium refresher. It's limited to the first one million redemptions though and you'll need to be a Rewards member. (It's free to join up.) Shop Now at Dunkin Donuts Shop

Today only, from 10am, score a free tee cup holder with the purchase of any beverage. Available while supplies last.

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Dunkin' Rewards members can get a free Medium Refresher by entering the promo code "HIBARBIEHIDUNKIN" in the Dunkin' app. (Not a member? It's free to join.) However, this code is limited to the first million redemptions and began June 8 so be quite quick about it. Shop Now at Dunkin Donuts Shop

Available June 12, you can get this limited-edition Barbie Pink Pineapple Cup and medium beverage at participating Dunkin' locations for $10.99. It's only available while supplies last so be quite quick about snatching this up. Buy Now at Dunkin Donuts Shop

Today only, for National Donut, Dunkin' are offering a free donut with the purchase of a drink.

If you're in the mood for fast food, you can save even more with these Uber Eats promo codes.

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Today only, from 11am to 12pm local time, get a free medium Kylie refresher drink with any purchase at Dunkin'. The refresher drink must be added to cart to avail of this offer. See terms and conditions here. Shop Now at Dunkin Donuts Shop