Your version of Internet Explorer is no longer supported. Please upgrade your browser.

find Halloween events for every vibe.

Holiday events in Boulder, CO

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

Selling quickly
Trunk-or-Treat with ViewHouse & My Neighbor Felix
Thu, Oct 30, 5:00 PM
Castlewood · My Neighbor Felix Centennial
Selling quickly
Trunk-or-Treat with ViewHouse & My Neighbor Felix
Thu, Oct 30, 5:00 PM
Castlewood · My Neighbor Felix Centennial
Voodoo-House Halloween Party - $7,500 IN COSTUME CONTEST PRIZES!
Fri, Oct 31, 8:00 PM
Castlewood · ViewHouse Centennial
Voodoo-House Halloween Party - $7,500 IN COSTUME CONTEST PRIZES!
Fri, Oct 31, 8:00 PM
Castlewood · ViewHouse Centennial
Highlands Ranch Hometown Holiday
Sat, Dec 6, 3:00 PM
Highlands Ranch · Highlands Ranch Town Center
Highlands Ranch Hometown Holiday
Sat, Dec 6, 3:00 PM
Highlands Ranch · Highlands Ranch Town Center
Trunk or Treat
Sat, Oct 25, 3:00 PM
Southglenn · Littleton Church of Christ
Trunk or Treat
Sat, Oct 25, 3:00 PM
Southglenn · Littleton Church of Christ
Nearly full
Merryhill of Lone Tree Trunk or Treat
Sat, Oct 25, 10:00 AM
Carriage Club · 8502 Park Meadows Dr
Nearly full
Merryhill of Lone Tree Trunk or Treat
Sat, Oct 25, 10:00 AM
Carriage Club · 8502 Park Meadows Dr
Shop the Block 2025, A Holiday Shopping Event and Food Bank Food Drive
Sat, Nov 8, 11:00 AM
Carriage Club · Lone Tree Brewing Company
Shop the Block 2025, A Holiday Shopping Event and Food Bank Food Drive
Sat, Nov 8, 11:00 AM
Carriage Club · Lone Tree Brewing Company
Sales end soon
CityVet Lone Tree | Open House
Saturday at 12:00 PM
Castlewood · CityVet | Lone Tree
Sales end soon
CityVet Lone Tree | Open House
Saturday at 12:00 PM
Castlewood · CityVet | Lone Tree
2025 Trunk or Treat Greeley Weld County Garage
Sat, Oct 25, 2:00 PM
Greeley · Weld County Garage
2025 Trunk or Treat Greeley Weld County Garage
Sat, Oct 25, 2:00 PM
Greeley · Weld County Garage
Sales end soon
Candy Crawl at Fort Collins Marketplace
Sunday at 12:00 PM
Omega · Fort Collins Marketplace
Sales end soon
Candy Crawl at Fort Collins Marketplace
Sunday at 12:00 PM
Omega · Fort Collins Marketplace
VETERANS DAY FILMFEST
Tue, Nov 11, 5:30 PM
Greeley · Aims Community College Welcome Center
VETERANS DAY FILMFEST
Tue, Nov 11, 5:30 PM
Greeley · Aims Community College Welcome Center
Sales end soon
Pumpkin Decorating & Free Sips with Nékter
Saturday at 1:00 PM + 1 more
Omega · 3260 S College Ave
Sales end soon
Pumpkin Decorating & Free Sips with Nékter
Saturday at 1:00 PM + 1 more
Omega · 3260 S College Ave
Sales end soon
Pumpkin Patch- Open House
Saturday at 1:00 PM
Southeast · 5246 S Flanders St
Sales end soon
Pumpkin Patch- Open House
Saturday at 1:00 PM
Southeast · 5246 S Flanders St
Sales end soon
Howl-O-Ween Party & 5th Annual Pups & Pumpkins Costume Contest!
Sunday at 1:00 PM
Highlands Ranch · Wag N' Wash Natural Pet Food & Grooming
Sales end soon
Howl-O-Ween Party & 5th Annual Pups & Pumpkins Costume Contest!
Sunday at 1:00 PM
Highlands Ranch · Wag N' Wash Natural Pet Food & Grooming
Greeley Spook House
Fri, Oct 31, 7:30 PM
Greeley · Greeley Spook House
Greeley Spook House
Fri, Oct 31, 7:30 PM
Greeley · Greeley Spook House
Christmas Card Day 2025
Sat, Nov 15, 10:00 AM
Southeast · Shannon’s House
Christmas Card Day 2025
Sat, Nov 15, 10:00 AM
Southeast · Shannon’s House
Sales end soon
Savor The Season Fall Fest at Lyric
Saturday at 11:00 AM
Lone Tree · Lyric at RidgeGate Information Center
Sales end soon
Savor The Season Fall Fest at Lyric
Saturday at 11:00 AM
Lone Tree · Lyric at RidgeGate Information Center
Winter Frenzy Holiday and Craft show (Vendors sign up!)
Sat, Dec 6, 9:00 AM
Cherry Creek District · 25690 East Quincy Avenue, Aurora, CO, USA
Winter Frenzy Holiday and Craft show (Vendors sign up!)
Sat, Dec 6, 9:00 AM
Cherry Creek District · 25690 East Quincy Avenue, Aurora, CO, USA
10th Annual - Holiday and Craft Fair
Sat, Dec 6, 9:00 AM
Cherry Creek District · Arapahoe County Fairgrounds Event Center
10th Annual - Holiday and Craft Fair
Sat, Dec 6, 9:00 AM
Cherry Creek District · Arapahoe County Fairgrounds Event Center
Just added!
Trunk-or-Treat
Sun, Oct 26, 5:00 AM
Greeley · 1534 11th St
Just added!
Trunk-or-Treat
Sun, Oct 26, 5:00 AM
Greeley · 1534 11th St
Halloween at the Vehicle Vault: Trunk or Treat 2025
Sat, Oct 25, 12:30 PM
Douglas District · Vehicle Vault
Halloween at the Vehicle Vault: Trunk or Treat 2025
Sat, Oct 25, 12:30 PM
Douglas District · Vehicle Vault

Trends in Boulder

Explore more trends

Explore more trends

Frequently asked questions about Boulder

What are the best events to attend?

According to Eventbrite, the best events are:

Trunk-or-Treat with ViewHouse & My Neighbor Felix

Voodoo-House Halloween Party - $7,500 IN COSTUME CONTEST PRIZES!

Highlands Ranch Hometown Holiday

Which events are currently trending in Boulder?

The trending searches this month in Boulder are:

halloween event

stand up comedy

halloween parties

speed dating events

Which events are coming up?

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

Savor The Season Fall Fest at Lyric

CityVet Lone Tree | Open House

Pumpkin Decorating & Free Sips with Nékter

Pumpkin Patch- Open House