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find Halloween events for every vibe.

Holiday events in Longmont, CO

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

Sales end soon
First-To-View Opening Night| Spookadelia Immersive Art Experience
Saturday at 6:00 PM
Platt Park · Spectra Art Space
Sales end soon
First-To-View Opening Night| Spookadelia Immersive Art Experience
Saturday at 6:00 PM
Platt Park · Spectra Art Space
Just added!
Denver Halloween Costume Bash - OPEN BAR
Fri, Oct 31, 9:00 PM
Central Business District · Sheraton Denver Downtown Hotel
Just added!
Denver Halloween Costume Bash - OPEN BAR
Fri, Oct 31, 9:00 PM
Central Business District · Sheraton Denver Downtown Hotel
The Comedy Grind 3rd Annual Celebrity Lookalike Holloween Comedy festival
Sun, Oct 26, 4:00 AM
Arts District · The vintage theater
The Comedy Grind 3rd Annual Celebrity Lookalike Holloween Comedy festival
Sun, Oct 26, 4:00 AM
Arts District · The vintage theater
Nearly full
Halloween Parents Night Out and Costume Party!
Sat, Oct 18, 5:30 PM
Cory-Merrill · Premier Martial Arts Wash Park
Nearly full
Halloween Parents Night Out and Costume Party!
Sat, Oct 18, 5:30 PM
Cory-Merrill · Premier Martial Arts Wash Park
Denver Oktoberfest 2026
Sat, Sep 26, 4:00 PM
Union Station · The Passport Denver
Denver Oktoberfest 2026
Sat, Sep 26, 4:00 PM
Union Station · The Passport Denver
Juliette Gordon Low Halloween Party
Thu, Oct 30, 5:00 PM
Lowry Field · Girl Scout DreamLab
Juliette Gordon Low Halloween Party
Thu, Oct 30, 5:00 PM
Lowry Field · Girl Scout DreamLab
Pre Halloween- Halloween Séance
Sat, Oct 25, 7:00 PM
Englewood · Goddess Isis Books & Gifts
Pre Halloween- Halloween Séance
Sat, Oct 25, 7:00 PM
Englewood · Goddess Isis Books & Gifts
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
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
Witches Brunch
Sun, Oct 26, 11:00 AM
Englewood · MiLK & ViViD
Witches Brunch
Sun, Oct 26, 11:00 AM
Englewood · MiLK & ViViD
Tay’s 3rd Annual Halloween Bash
Fri, Oct 31, 10:00 PM
Aurora District · Paris Event Center
Tay’s 3rd Annual Halloween Bash
Fri, Oct 31, 10:00 PM
Aurora District · Paris Event Center
Harvest Festival
Sat, Oct 11, 10:00 AM
Littleton · Littleton Museum
Harvest Festival
Sat, Oct 11, 10:00 AM
Littleton · Littleton Museum
Tays 3rd Annual Halloween bash
Fri, Oct 31, 8:00 PM
Hampden · Celebrity Confetti Events Place
Tays 3rd Annual Halloween bash
Fri, Oct 31, 8:00 PM
Hampden · Celebrity Confetti Events Place
Dia De Los Muertos Sip & Paint at Los Chingones DTC
Sat, Nov 1, 5:00 PM
Southmoor Park · Los Chingones - DTC
Dia De Los Muertos Sip & Paint at Los Chingones DTC
Sat, Nov 1, 5:00 PM
Southmoor Park · Los Chingones - DTC
Denver Halloween 2025 - Paranormal Palace, Day Of The Dead
Sat, Nov 1, 8:00 PM
Castlewood · Double Tree by Hilton - DTC
Denver Halloween 2025 - Paranormal Palace, Day Of The Dead
Sat, Nov 1, 8:00 PM
Castlewood · Double Tree by Hilton - DTC
Pawrade Registration
Sun, Oct 12, 12:00 PM
Wolhurst · Aspen Grove Shopping Center
Pawrade Registration
Sun, Oct 12, 12:00 PM
Wolhurst · Aspen Grove Shopping Center
Spooky Season Social
Sat, Oct 18, 7:00 PM
Aurora District · Yogi Colorado
Spooky Season Social
Sat, Oct 18, 7:00 PM
Aurora District · Yogi Colorado
BingoPalooza BOO-gie
Wed, Oct 29, 6:30 PM
Centennial · 2 Penguins Tap and Grill and Event Space
BingoPalooza BOO-gie
Wed, Oct 29, 6:30 PM
Centennial · 2 Penguins Tap and Grill and Event Space
Choice House Halloween Party 2025
Thu, Oct 30, 6:00 PM
Gunbarrel · 6901 Lookout Rd, Boulder, CO, USA
Choice House Halloween Party 2025
Thu, Oct 30, 6:00 PM
Gunbarrel · 6901 Lookout Rd, Boulder, CO, USA
Trunk-or-Treat
Wed, Oct 29, 4:30 PM
Firestone · The Learning Experience - Firestone
Trunk-or-Treat
Wed, Oct 29, 4:30 PM
Firestone · The Learning Experience - Firestone

Trends in Longmont

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Frequently asked questions about Longmont

What are the best party events to attend?

According to Eventbrite, the best party events are:

Denver Halloween Costume Bash - OPEN BAR

The Comedy Grind 3rd Annual Celebrity Lookalike Holloween Comedy festival

Denver Oktoberfest 2026

Juliette Gordon Low Halloween Party

Which events are currently trending in Longmont?

The trending searches this month in Longmont are:

events happening today near me

halloween events

Which party events are coming up?

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

First-To-View Opening Night| Spookadelia Immersive Art Experience

Harvest Festival

Pawrade Registration

Halloween Parents Night Out and Costume Party!