Cookie Butter Frappé Price at McDonald's (2026) — Illinois

A Cookie Butter Frappé costs $6.09 at McDonald's in Illinois, United States (price last updated November 2026).

Looking up the Cookie Butter Frappé price at McDonald's in the United States? It currently sells for $6.09. That's about 17% above the typical McDonald's coffee item — the 3rd-most-expensive of 7 we track. It's available at around 471 McDonald's locations across the United States. Prices are sourced from delivery platforms and refreshed regularly. See how it stacks up across other chains, and track its price for free, on MenuPriceToday.

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