Actually Free

Free Dunkin' Iced Coffee of Any Size — October 21

Expired

On October 21, enter code SIZEDOESNTMATTER in the Dunkin' app to claim a free iced coffee of any size, while the one million available codes last. Limit one per customer. Dunkin says the certificate is valid for five days after code entry; additional exclusions may apply. Claim the code today.

Merchant
Dunkin'
Purchase required
No
Credit card required
No
Shipping
Free
Email/signup required
Yes
New customers only
No
Where
Participating U.S. Dunkin' locations
Expires
October 22, 2026
Effort to claim
~3 min
GET IT →
Ad

More from Dunkin'

Not Really Free
Dunkin’ — Free Medium Coffee for National Coffee Day

Dunkin’ Rewards members can get a free medium hot or iced coffee with any purchase through the Dunkin’ app on September 29 for National Coffee Day. Participating U.S. locations; limit/other terms may apply in the app.

Expired Sep 30, 2026GET IT →
Actually Free
1 Million Free Dunkin’ Espresso Beverages — Sept. 22

On September 22, Dunkin’ Rewards members can use code EASYCHOICE to redeem a free espresso beverage beginning at 12 p.m. ET, while the one-million-code supply lasts. A free Dunkin’ Rewards account is required.

Expired Sep 23, 2026GET IT →
Unverified / Historical
FREE Medium Beverage at Dunkin Donuts w/Sign up for the Dunkin Donuts Perks
GET IT →
Unverified / Historical
Untitled offer
GET IT →
Unverified / Historical
Free Iced Coffee Mondays every Monday from 1/5/15-2/16/15 (NY, NJ, CT only)@Dunkin Donuts
GET IT →
Unverified / Historical
Dunkin Donuts Iced Coffee Free Nationwide May 15 10am - 10pm
GET IT →