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Fast Food
Only at this location
Stop by Chick-fil-A Mount Prospect in costume on Halloween, 2-10 PM, and ask a team member for a complimentary Chocolate Chunk Cookie or Chocolate Fudge Brownie. This is a local promotion found on the restaurant's social media and may change, so confirm with the restaurant before you go.
Active Dates
Oct 31 – Oct 31, 2026
Signup Required?
No
Terms & Conditions
Valid October 31, 2026 from 2:00 PM to 10:00 PM. Costume required. Ask a team member for a complimentary Chocolate Chunk Cookie or Chocolate Fudge Brownie. Valid only at Chick-fil-A Mount Prospect, IL. Closed Sunday.
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This deal has ended
Browse current deals
Fast Food
Only at this location
Stop by Chick-fil-A Mount Prospect in costume on Halloween, 2-10 PM, and ask a team member for a complimentary Chocolate Chunk Cookie or Chocolate Fudge Brownie. This is a local promotion found on the restaurant's social media and may change, so confirm with the restaurant before you go.
Active Dates
Oct 31 – Oct 31, 2026
Signup Required?
No
Terms & Conditions
Valid October 31, 2026 from 2:00 PM to 10:00 PM. Costume required. Ask a team member for a complimentary Chocolate Chunk Cookie or Chocolate Fudge Brownie. Valid only at Chick-fil-A Mount Prospect, IL. Closed Sunday.
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