Three smiling children, two boys and one girl, are gathered around carved pumpkins and Halloween decorations, appearing to be preparing for trick-or-treating.
family_friendly

Artistic rendering – Event may differ

Bug-A-Boo Halloween at Butterfly Pavilion

Indoor trick-or-treating with live invertebrates

About

Join the annual Bug-A-Boo Halloween celebration at Butterfly Pavilion for a spook-tacular trick-or-treating adventure. This family-friendly event offers a safe, indoor experience where children can explore the wonders of invertebrates while collecting treats. Don't miss the incredible Spider Zone, where you can walk among hundreds of free-roaming orb-weaving spiders.

Our Take

Scare Factor

👻 👻 (2/5)

Family Friendly

👶 👶 👶 👶 👶 (5/5)

Best For

Families with young children

Vibe

Spooky, educational, family-friendly

Energy Level

Low to medium

Budget

$$

Photo Friendly

High

Weather Sensitivity

Low (mostly indoor event)

Special Events & Promotions

  • After Hours Halloween event on October 31st
  • Discounted tickets for SNAP/EBT recipients, Westminster residents, military, and AAA members

Featured Video

Tags

Always check the official website for the most current information.

We've done our best to keep details up-to-date, but event schedules, prices, and policies can change. For the latest updates, please visit the official website or contact the organizers directly.

Location

6252 W. 104th Avenue
Westminster, CO
80020

Event Details

Pricing

$$

Duration

Weekends in October, plus Halloween night

Ages

All ages

Timed Entry

Yes

Organizer

Butterfly Pavilion

Practical Information

Pet Policy

No pets allowed (service animals welcome)

Food & Drink

Candy and toy stations available during the event. Regular concessions may also be available.

Quick Actions

Tips & Advice

  • Arrive early on weekend days, especially during peak hours, to maximize your trick-or-treating time and avoid longer lines.
  • Consider visiting on the Friday evening of October 31st for the 'After Hours Halloween' event for a potentially less crowded experience.
  • Dress children in costumes that are comfortable for indoor exploration and won't obstruct their view or movement.
  • Take advantage of the educational opportunities; ask staff and volunteers questions about the invertebrates you encounter.
  • Check the Butterfly Pavilion's website for any specific health and safety guidelines or updates before your visit.

Frequently Asked Questions

What are the specific dates and times for Bug-A-Boo?

Bug-A-Boo takes place on the last two weekends of October: October 18-19 and October 25-26, from 9:00 a.m. to 5:00 p.m. There is also an 'After Hours Halloween' event on Friday, October 31, from 5:00 p.m. to 7:00 p.m.

Can children under 2 attend?

Yes, children under 2 are welcome and can attend for free, but tickets must still be reserved for them.

What is the Spider Zone?

The Spider Zone is an exciting, immersive enclosure where guests can walk among hundreds of free-roaming orb-weaving spiders without glass barriers.

Are there any special discounts available?

Yes, discounted rates are available for SNAP/EBT recipients, Westminster residents, military personnel, and AAA members. Proof of eligibility is required at the door.

What is the best way to purchase tickets?

It is recommended to purchase tickets online in advance through the Butterfly Pavilion's ticketing website to secure your preferred date and time slot.

Nearby Places (10 total)

Contributors & Updates

Last Updated: Oct 10, 2025
Original Submitter: Sep 17, 2025 The Halloween Events Near Me editorial team

Follow us for updates and more events!