What is Dunkin’s National Doughnut Day deal?

Dunkin offers free donut with beverage purchase

To mark National Doughnut Day (June 5), Dunkin is running a promotion built around a simple purchase requirement: customers who buy a beverage will get a free donut. The deal is framed as a celebratory run timed to the holiday, which returns this Friday.

How the deal works

• Make a beverage purchase at Dunkin.
• Receive one free donut as part of the National Doughnut Day promotion.

Why it matters

National Doughnut Day deals typically encourage two behaviors—quick visits and upsizing. A free donut effectively offsets the incremental cost of desserts, which can lead customers to:

• Add a donut to a routine coffee or drink order.
• Visit earlier in the day to take advantage of limited availability.
• Share redemption and menu updates on social media, which can amplify local demand.

For the food news angle, this promotion is notable because it reflects how chains monetize seasonal events: rather than discounting the entire order, they often use a conditional perk (like “free donut with beverage”) to keep average ticket size steadier.

What’s missing

The story excerpt doesn’t specify which donut varieties qualify, whether there are location-based differences, or what time window applies. Those details would matter for consumers planning a redemption.