St. Louis Halloween 2021 Parties, Events and Parades

Get ready for Halloween 2021! It’s October and time to have some full fun at a Halloween costume party or event. Choose from a wild adult party or some family friendly Halloween activities in St. Louis.

2021 Halloween events

Mardi Gras - Pinckneyville, IL - Oct 30, 2021
Queen pageant, haunted jail, trivia night, parade, trick or treat at downtown businesses, vendors, 8k/5k, car show, and more.

Local Costume Stores

More Missouri Halloween Events

Feel free to contact us if you would like to see your Halloween event listed here.

More Fall Activities near St. Louis:
Apple Orchards
St. Louis Haunted Houses
Ghost Tours
Thanksgiving in St. Louis