Dunkin’ Offers 1 Million Free Coffees on Oct. 21 in App Deal

WHO:

Slickdeals - Dunkin’ is offering the promotion.

Mashable - Dunkin’ is giving away the coffees.

WHAT:

Slickdeals - The offer is for one free hot or iced coffee in small, medium, or large size, with free pickup.

Mashable - Dunkin’ is giving away 1 million free coffees.

Mashable - The article says customers can claim a coffee using a promotional code.

WHEN:

Slickdeals - The code is expected to be released around 12 p.m. ET.

Mashable - The article says the offer can be claimed before Oct. 24.

HOW:

Slickdeals - The offer is described as an app deal and links to Dunkin’s rewards page: https://www.dunkindonuts.com/rewards/.

Mashable - Customers can claim the offer by obtaining the promotional code.

(UPDATED October 21, 2026 17:28 UTC)

Dunkin’ is giving away 1 million free coffees through a promotion customers can claim with a promotional code. The offer covers one hot or iced coffee, and customers can choose a small, medium, or large size. Pickup is free, making the deal available without an additional pickup charge. The promotion is described as an app deal, so customers should look for it through Dunkin’s app and rewards program. Dunkin’s rewards page is available at dunkindonuts.com/rewards. The promotional code is expected to be released around 12 p.m. ET. Customers will need to obtain that code to claim a coffee, and the offer can be claimed before Oct. 24. The giveaway is limited to 1 million coffees, so the promotion’s central details are the code, the eligible drink sizes, and the claim window.