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find Halloween events for every vibe.

Parties in Boulder, CO

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

Coloween 2025: Open Bar & Haunted Bounce Empire
Friday at 9:00 PM
Lafayette · Bounce Empire
Coloween 2025: Open Bar & Haunted Bounce Empire
Friday at 9:00 PM
Lafayette · Bounce Empire
The Official Halloween Bar Crawl - Boulder
Sat, Nov 1, 4:00 PM
Boulder · The Spotted James
The Official Halloween Bar Crawl - Boulder
Sat, Nov 1, 4:00 PM
Boulder · The Spotted James
Selling quickly
5th Annual Motown Haunted Prom - Halloween Dance Party
Friday at 8:00 PM
Boulder · Roots Music Project
Selling quickly
5th Annual Motown Haunted Prom - Halloween Dance Party
Friday at 8:00 PM
Boulder · Roots Music Project
Harvesting Resilience: Regenerative Catalyst Fundraiser
Sun, Nov 9, 6:30 PM
Boulder · Patagonia
Harvesting Resilience: Regenerative Catalyst Fundraiser
Sun, Nov 9, 6:30 PM
Boulder · Patagonia
Boulder's Best Halloween Weekend Bar Crawl
Boulder · Best Bars in Boulder
Boulder's Best Halloween Weekend Bar Crawl
Boulder · Best Bars in Boulder
Just added!
Tantra Speed Date® - Boulder! (Meet Singles Speed Dating)
Thu, Nov 6, 7:00 PM
Boulder · Unity of Boulder
Just added!
Tantra Speed Date® - Boulder! (Meet Singles Speed Dating)
Thu, Nov 6, 7:00 PM
Boulder · Unity of Boulder
November Wine Event
Wed, Nov 12, 6:00 PM
Boulder · Hotel Boulderado
November Wine Event
Wed, Nov 12, 6:00 PM
Boulder · Hotel Boulderado
13th Annual Halloween Costume Dance Party
Friday at 8:00 PM
Louisville · The Courtyard - Event Space
13th Annual Halloween Costume Dance Party
Friday at 8:00 PM
Louisville · The Courtyard - Event Space
Ned Gen Halloween Party with Bear Hat and Something Slight
Friday at 8:00 PM
Nederland · Ned General
Ned Gen Halloween Party with Bear Hat and Something Slight
Friday at 8:00 PM
Nederland · Ned General
Sales end soon
Main Event Thornton-Halloween Boo-wling Spooktacular*
Tomorrow at 11:00 AM
Thornton · Main Event Thornton
Sales end soon
Main Event Thornton-Halloween Boo-wling Spooktacular*
Tomorrow at 11:00 AM
Thornton · Main Event Thornton
DecemberFest
Boulder · Bohemian Biergarten
DecemberFest
Boulder · Bohemian Biergarten
HAUNTED BEATS Halloween PARTY
Sat, Nov 1, 9:00 PM
Boulder · Roots Music Project
HAUNTED BEATS Halloween PARTY
Sat, Nov 1, 9:00 PM
Boulder · Roots Music Project
Sales end soon
PAINT PARTY - •Wednesday, October 29th, 2:30pm - 4:30pm
Wednesday at 2:30 PM
Lafayette · pARTiculars Art Gallery and Teaching Studio
Sales end soon
PAINT PARTY - •Wednesday, October 29th, 2:30pm - 4:30pm
Wednesday at 2:30 PM
Lafayette · pARTiculars Art Gallery and Teaching Studio
Sacred Sauna + Tea Time
Wed, Nov 12, 1:00 PM
Boulder · Ember & Ice Boulder
Sacred Sauna + Tea Time
Wed, Nov 12, 1:00 PM
Boulder · Ember & Ice Boulder
Not Your Average Speed Dating
Thu, Nov 13, 7:00 PM
Longmont · Axe Me Out
Not Your Average Speed Dating
Thu, Nov 13, 7:00 PM
Longmont · Axe Me Out
Boulder EATS! Grand Opening Celebration
Sat, Nov 15, 5:00 PM
Boulder · Museum of Boulder at Tebo Center
Boulder EATS! Grand Opening Celebration
Sat, Nov 15, 5:00 PM
Boulder · Museum of Boulder at Tebo Center
Arts and Crafts and Taps at The Rayback Collective
Mon, Nov 3, 4:00 PM
Boulder · Rayback Collective
Arts and Crafts and Taps at The Rayback Collective
Mon, Nov 3, 4:00 PM
Boulder · Rayback Collective
pARTy for the ARTs: A Fundraiser for NoBo Art District
Sat, Nov 22, 6:00 PM
Boulder · Roots Music Project
pARTy for the ARTs: A Fundraiser for NoBo Art District
Sat, Nov 22, 6:00 PM
Boulder · Roots Music Project
Pour Things Natural Wine Tasting at Cafe Fritz
Sat, Nov 8, 3:00 PM
Longmont · Cafe Fritz
Pour Things Natural Wine Tasting at Cafe Fritz
Sat, Nov 8, 3:00 PM
Longmont · Cafe Fritz
Femme Empowerment Tea + Sauna
Sat, Nov 22, 1:00 PM
Boulder · Ember & Ice Boulder
Femme Empowerment Tea + Sauna
Sat, Nov 22, 1:00 PM
Boulder · Ember & Ice Boulder

Trends in Boulder

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Explore more trends

Frequently asked questions about Boulder

What are the best party events to attend?

According to Eventbrite, the best party events are:

Coloween 2025: Open Bar & Haunted Bounce Empire

The Official Halloween Bar Crawl - Boulder

Harvesting Resilience: Regenerative Catalyst Fundraiser

Boulder's Best Halloween Weekend Bar Crawl

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 party events are coming up?

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

Main Event Thornton-Halloween Boo-wling Spooktacular*

PAINT PARTY - •Wednesday, October 29th, 2:30pm - 4:30pm

5th Annual Motown Haunted Prom - Halloween Dance Party

13th Annual Halloween Costume Dance Party