Bug-A-Boo at Butterfly Pavilion
2026 dates not announced yet. Details are from 2025.
Bug-A-Boo at Butterfly Pavilion is an annual Halloween celebration featuring trick-or-treating. This indoor, family-friendly event allows children to explore the invertebrate world and see orb-weaving spiders in the Spider Zone.
See more family-friendly fall activities near Westminster
Safe Street Halloween
Northglenn · 4 mi
Boo at the Zoo
Denver · 11 mi
Boulder County Trunk or Treat
Boulder · 13 mi
HalloweenFest 2026
Sheridan · 17 mi
Growl-o-ween Trick-or-Treat for Dogs 2026
Denver · 9 mi
Plan Your Visit
Website / Tickets
Last year
Tickets
$17.45 (Adult), $12.45 (Child 2-12), $15.45 (Senior 65+), Free (Child Under 2, Members)
Ages
All ages
Food & Drink
Snack options available (dogs, burgers, chips, soda - overpriced and outside only).
Going?
Location
Local Insight & Ratings
Scare Factor
Family Friendly
Best For
Families with young children
Vibe
Festive, educational, spooky-fun
Energy Level
Low to medium
Photo Friendly
High
Weather Sensitivity
Low (indoor event)
Tips & Advice
- Arrive early, especially on weekends, to maximize your trick-or-treating time and avoid the largest crowds.
- Encourage children to wear costumes that are comfortable for indoor exploration and easy to move around in.
- Take advantage of the educational opportunities; ask staff about the spiders and other invertebrates you encounter.
- Check the Butterfly Pavilion's website for any specific costume guidelines or restrictions before your visit.
- Consider visiting on a weekday if possible for a less crowded experience, especially with younger children.
Special Events & Promotions
- After Hours Halloween on Friday, October 31, 5:00 – 7:00 p.m.
Links & Contact
Halloween Events Near Me is an independent guide, not the organizer of this event. For tickets, entries, vendor spots or questions, contact the organizer directly through their contact page.
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.
What is the Spider Zone?
The Spider Zone is an exciting, exotic enclosure where guests can walk among hundreds of free-roaming orb-weaving spiders without glass barriers, offering a unique and immersive experience.
Are there any special ticket requirements?
Tickets are only valid for the date selected, and front doors lock at 4:15 p.m. Children under 2 require reserved tickets. Discounted ticket holders must present valid ID or membership cards.
What kind of food and drink options are available?
Snack options include hot dogs, burgers, chips, and soda, but these are noted as overpriced and available outside only.
Is this event suitable for very young children?
Yes, Bug-A-Boo is designed as a safe, indoor, and stress-free trick-or-treating adventure for children of all ages, from toddlers to teenagers.
Featured Video
Browse Halloween in Westminster
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. Halloween Events Near Me is an independent guide and isn't affiliated with the events we list.