Best Halloween Events in Cardiff 2025 | Family-Friendly & Adult Halloween Activities

Halloween is almost here, and with October 31st fast approaching, Cardiff is gearing up for some of the biggest Halloween events in 2025!

Whether you’re seeking spooky fun for the whole family, unforgettable adult Halloween nights in Bath, or unique Halloween activities in Cardiff, our historic city has something for everyone.

From kids’ Halloween events in Cardiff packed with treats and thrills to adult Halloween events in Cardiff that promise a night of eerie excitement, there’s no shortage of ways to celebrate.

Explore some of the best Halloween events in Cardiff 2025 below and start planning your spooky adventures today!

Looking for more seasonal fun? Explore our Things to Do This Autumn in Cardiff guide for events, activities, and autumnal adventures.

For a complete package of spooky happenings, check out our full Halloween in Cardiff guide for 2025.