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find Halloween events for every vibe.

Events this month in Boulder, CO

Search for something you love or check out popular events in your area.

Coloween 2025: Open Bar & Haunted Bounce Empire
Fri, Oct 31, 9:00 PM
Lafayette · Bounce Empire
Coloween 2025: Open Bar & Haunted Bounce Empire
Fri, Oct 31, 9:00 PM
Lafayette · Bounce Empire
Whaaat!? Festival 2025
Today at 10:00 AM
Boulder · Roser ATLAS Center
Whaaat!? Festival 2025
Today at 10:00 AM
Boulder · Roser ATLAS Center
Sales end soon
Feria del Tamal 2025
Today at 4:00 PM
Boulder County · Boulder County Fairgrounds Exhibit Building
Sales end soon
Feria del Tamal 2025
Today at 4:00 PM
Boulder County · Boulder County Fairgrounds Exhibit Building
Selling quickly
Joanne Lee Molinaro -- "The Korean Vegan: Homemade," with Scott Jurek
Wednesday at 6:30 PM
Boulder · First Congregational Church Of Boulder
Selling quickly
Joanne Lee Molinaro -- "The Korean Vegan: Homemade," with Scott Jurek
Wednesday at 6:30 PM
Boulder · First Congregational Church Of Boulder
Selling quickly
5th Annual Motown Haunted Prom - Halloween Dance Party
Fri, Oct 31, 8:00 PM
Boulder · Roots Music Project
Selling quickly
5th Annual Motown Haunted Prom - Halloween Dance Party
Fri, Oct 31, 8:00 PM
Boulder · Roots Music Project
Sales end soon
Chateaux Bridal Show
Tomorrow at 11:00 AM
Broomfield · The Chateaux At Fox Meadows
Sales end soon
Chateaux Bridal Show
Tomorrow at 11:00 AM
Broomfield · The Chateaux At Fox Meadows
Sales end soon
Program Council Presents: CONNOR WOOD Homecoming Comedy Show
Wednesday at 7:00 PM
Boulder · Glenn Miller Ballroom
Sales end soon
Program Council Presents: CONNOR WOOD Homecoming Comedy Show
Wednesday at 7:00 PM
Boulder · Glenn Miller Ballroom
Sales end soon
Lifted! An Uplift Internationale Benefit concert
Monday at 5:00 PM
Louisville · The Louisville Underground
Sales end soon
Lifted! An Uplift Internationale Benefit concert
Monday at 5:00 PM
Louisville · The Louisville Underground
Boulder's Best Halloween Weekend Bar Crawl
Boulder · Best Bars in Boulder
Boulder's Best Halloween Weekend Bar Crawl
Boulder · Best Bars in Boulder
Sales end soon
Jackson Crawford -- "The Poetic Edda"
Tuesday at 6:30 PM
Boulder · Boulder Book Store
Sales end soon
Jackson Crawford -- "The Poetic Edda"
Tuesday at 6:30 PM
Boulder · Boulder Book Store
Sales end soon
Band of Toughs Presents: Five 5th - Ghostbusters, a Haunted Stage Party!
Monday at 6:30 PM
Boulder · Junkyard Social Club
Sales end soon
Band of Toughs Presents: Five 5th - Ghostbusters, a Haunted Stage Party!
Monday at 6:30 PM
Boulder · Junkyard Social Club
Nearly full
Halloween Silent Disco - All Ages Family Party!
Today at 6:00 PM
Louisville · The Louisville Underground
Nearly full
Halloween Silent Disco - All Ages Family Party!
Today at 6:00 PM
Louisville · The Louisville Underground
Nearly full
Glenfiddich Whiskey Class
Tuesday at 6:00 PM
Lafayette · William Oliver's Lafayette
Nearly full
Glenfiddich Whiskey Class
Tuesday at 6:00 PM
Lafayette · William Oliver's Lafayette
Nearly full
Holiday Minis at Childish Things in Boulder
Today at 11:00 AM
Boulder · Childish Things
Nearly full
Holiday Minis at Childish Things in Boulder
Today at 11:00 AM
Boulder · Childish Things
Nearly full
Halloween at The Merc with Bourbon Brass Band
Fri, Oct 31, 5:00 PM
Jamestown · Jamestown Mercantile
Nearly full
Halloween at The Merc with Bourbon Brass Band
Fri, Oct 31, 5:00 PM
Jamestown · Jamestown Mercantile
13th Annual Halloween Costume Dance Party
Fri, Oct 31, 8:00 PM
Louisville · The Courtyard - Event Space
13th Annual Halloween Costume Dance Party
Fri, Oct 31, 8:00 PM
Louisville · The Courtyard - Event Space
Halloween Baby Goat Yoga
Today at 10:00 AM
Arvada · Freedom Street Social
Halloween Baby Goat Yoga
Today at 10:00 AM
Arvada · Freedom Street Social
Ned Gen Halloween Party with Bear Hat and Something Slight
Fri, Oct 31, 8:00 PM
Nederland · Ned General
Ned Gen Halloween Party with Bear Hat and Something Slight
Fri, Oct 31, 8:00 PM
Nederland · Ned General
Sales end soon
Techno of the Opera – Masquerade Party at Dickens Opera House
Today at 8:00 PM
Longmont · Dickens Opera House, Main Street, Longmont, CO, USA
Sales end soon
Techno of the Opera – Masquerade Party at Dickens Opera House
Today at 8:00 PM
Longmont · Dickens Opera House, Main Street, Longmont, CO, USA
Teague Bohlen -- "Escaping Denver"
Thursday at 6:30 PM
Boulder · Boulder Book Store
Teague Bohlen -- "Escaping Denver"
Thursday at 6:30 PM
Boulder · Boulder Book Store

Trends in Boulder

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Frequently asked questions about Boulder

What are the best events to attend this month?

According to Eventbrite, the best events this month are:

Coloween 2025: Open Bar & Haunted Bounce Empire

Joanne Lee Molinaro -- "The Korean Vegan: Homemade," with Scott Jurek

5th Annual Motown Haunted Prom - Halloween Dance Party

Chateaux Bridal Show

Which events are currently trending in Boulder?

The trending searches this month in Boulder are:

halloween event

stand up comedy

halloween parties

electronic music

Which events are coming up?

Discover the best events happening soon – you don't want to miss them:

Whaaat!? Festival 2025

Halloween Baby Goat Yoga

Holiday Minis at Childish Things in Boulder

Feria del Tamal 2025