Your version of Internet Explorer is not longer supported. Please upgrade your browser.

find Halloween events for every vibe.

Halloween parties events in Boulder, CO

Halloween Costume Party
Fri, Oct 31, 6:00 PM
Jefferson Park · Elks Lodge #17, 2475 West 26th Avenue, Denver, CO, USA
Halloween Costume Party
Fri, Oct 31, 6:00 PM
Jefferson Park · Elks Lodge #17, 2475 West 26th Avenue, Denver, CO, USA
Halloween Silent Disco -21+ Party!
Sat, Oct 25, 8:30 PM
Grace Mar · The Louisville Underground
Halloween Silent Disco -21+ Party!
Sat, Oct 25, 8:30 PM
Grace Mar · The Louisville Underground
Halloween Silent Disco - All Ages Family Party!
Sat, Oct 25, 6:00 PM
Grace Mar · The Louisville Underground
Halloween Silent Disco - All Ages Family Party!
Sat, Oct 25, 6:00 PM
Grace Mar · The Louisville Underground
Boulder's Best Halloween Weekend Bar Crawl
Goss Grove · Best Bars in Boulder
Boulder's Best Halloween Weekend Bar Crawl
Goss Grove · Best Bars in Boulder
Halloween Party on Halloween
Fri, Oct 31, 6:00 PM
Lakewood · 9890 W Girton Dr
Halloween Party on Halloween
Fri, Oct 31, 6:00 PM
Lakewood · 9890 W Girton Dr
Denver Halloween Costume Bash - OPEN BAR
Fri, Oct 31, 9:00 PM
Central Business District · Sheraton Denver Downtown Hotel
Denver Halloween Costume Bash - OPEN BAR
Fri, Oct 31, 9:00 PM
Central Business District · Sheraton Denver Downtown Hotel
Disco Mystique: LoDo Halloween Party
Fri, Oct 31, 7:00 PM
Union Station · Dairy Block
Disco Mystique: LoDo Halloween Party
Fri, Oct 31, 7:00 PM
Union Station · Dairy Block
Boo Ball: 2nd Annual Halloween Party
Sat, Oct 25, 5:00 PM
Union Station · 1612 Wazee St
Boo Ball: 2nd Annual Halloween Party
Sat, Oct 25, 5:00 PM
Union Station · 1612 Wazee St
The Official Halloween Bar Crawl (Fri & Sat) - Denver
Fri, Oct 31, 4:00 PM
Five Points · One Shot Back
The Official Halloween Bar Crawl (Fri & Sat) - Denver
Fri, Oct 31, 4:00 PM
Five Points · One Shot Back
FREE SHOW FRIDAY HALLOWEEN COSTUME PARTY WITH THE GRIND
Fri, Oct 31, 7:00 PM
Willow Run · @ Cheers
FREE SHOW FRIDAY HALLOWEEN COSTUME PARTY WITH THE GRIND
Fri, Oct 31, 7:00 PM
Willow Run · @ Cheers
HALLOWEEN DANCE PARTY! TUNISIA at The Wild Game
Fri, Oct 31, 6:00 PM
Colorado · The Wild Game Entertainment Experience - Evergreen
HALLOWEEN DANCE PARTY! TUNISIA at The Wild Game
Fri, Oct 31, 6:00 PM
Colorado · The Wild Game Entertainment Experience - Evergreen
Sales end soon
Halloween Costume Swap by Homo Halloween
Wednesday at 5:00 PM
North Capitol Hill · Champagne Tiger
Sales end soon
Halloween Costume Swap by Homo Halloween
Wednesday at 5:00 PM
North Capitol Hill · Champagne Tiger
DENVER ZOMBIE CRAWL - Halloween Bar Crawl - 15+ Bars - Oct 31st
Fri, Oct 31, 7:00 PM
Five Points · The Mill
DENVER ZOMBIE CRAWL - Halloween Bar Crawl - 15+ Bars - Oct 31st
Fri, Oct 31, 7:00 PM
Five Points · The Mill
Halloween Bash with Arena All Stars @ The Bear! 10/31/25
Fri, Oct 31, 7:30 PM
Evergreen · Little Bear Saloon
Halloween Bash with Arena All Stars @ The Bear! 10/31/25
Fri, Oct 31, 7:30 PM
Evergreen · Little Bear Saloon
Sales end soon
Dickens Halloween Drag Show!
Today at 6:30 PM
Marnett · Dickens Opera House, Main Street, Longmont, CO, USA
Sales end soon
Dickens Halloween Drag Show!
Today at 6:30 PM
Marnett · Dickens Opera House, Main Street, Longmont, CO, USA
Saints x Sinners: Sapphic Halloween Party
Fri, Oct 31, 8:00 PM
Five Points · The Pearl
Saints x Sinners: Sapphic Halloween Party
Fri, Oct 31, 8:00 PM
Five Points · The Pearl
5th Annual Motown Haunted Prom - Halloween Dance Party
Fri, Oct 31, 8:00 PM
East Boulder · Roots Music Project
5th Annual Motown Haunted Prom - Halloween Dance Party
Fri, Oct 31, 8:00 PM
East Boulder · Roots Music Project
DENVER HALLOWEEN BAR CRAWL - 15+ Bars - Nov 1st
Sat, Nov 1, 7:00 PM
Five Points · The Mill
DENVER HALLOWEEN BAR CRAWL - 15+ Bars - Nov 1st
Sat, Nov 1, 7:00 PM
Five Points · The Mill
Denver Official Halloween Bar Crawl
Fri, Oct 31, 5:00 PM
Union Station · The Passport
Denver Official Halloween Bar Crawl
Fri, Oct 31, 5:00 PM
Union Station · The Passport
Homo Halloween - Queer Market
Sat, Oct 25, 12:00 PM
North Capitol Hill · Champagne Tiger
Homo Halloween - Queer Market
Sat, Oct 25, 12:00 PM
North Capitol Hill · Champagne Tiger

Trends in Boulder

Explore more trends

Explore more trends