October in the Phoenix metropolitan area is packed with family‑focused Halloween celebrations and classic fall festivals. Whether you prefer pumpkin patches, corn mazes, or themed rides, there’s something for every household across the Valley.

Tempe

Oct. 1‑31 – LEGOLAND Discovery Center Arizona transforms into a spooky play zone as Minifigure Monsters take over. Kids can enjoy Halloween‑themed LEGO builds, meet favorite characters and explore seasonal décor.

Oct. 23 – Tempe Family Halloween Celebration features a costume contest, parade, a Toy Story 5 screening, games and additional activities for children.

Phoenix

Oct. 1‑Nov. 1 – The Arizona State Fair returns with new rides, wild food options and big‑name concerts. Special Halloween nights, including the Día de los Tíos & Tías Halloween Boogie on Oct. 31, add extra excitement.

Oct. 16‑31 – Phoenix Parks and Recreation hosts free family celebrations citywide, offering a variety of events at parks throughout the month.

Oct. 22‑31 – The Desert Botanical Garden lights up after dark with glowing installations and spooky desert scenery. Family Weekend is scheduled for Oct. 23‑24.

Oct. 28‑30 – The Phoenix Zoo presents a “fang‑tastic” evening with trick‑or‑treating, face painting, an hourly costume parade and other bewitching activities. No toy guns are permitted.

Mesa

Oct. 2‑31 – Mesa’s long‑standing fall tradition invites families to navigate a giant corn maze, race down tube slides and enjoy outdoor farm games.

Glendale

Oct. 1‑31 – A six‑acre corn maze, petting zoo and working farm provide classic autumn fun. The AZ Field of Screams haunted maze runs for older kids throughout the month.

Scottsdale

Oct. 1‑31 – A family‑friendly train ride, trick‑or‑treating stations and Halloween activities are offered at a local park.

Oct. 3‑31 – North Scottsdale’s Old West celebration includes a pumpkin patch, hayrides, petting zoo and cowboy‑themed entertainment.

Oct. 17‑18 – The Arizona Boardwalk market hosts a free Halloween‑inspired vendor fair, showcasing local crafts and seasonal goods.

Oct. 17 – The Scottsdale Civic Center provides a free family event with a live band, DJ, Trick‑or‑Treat Alley, food trucks, a cocktail garden, carnival games, crafts, face painting and hands‑on activities.

Oct. 23‑25 – Over 20 illuminated hot‑air balloons serve as trick‑or‑treat stations, handing out more than 4,000 lb of candy. A free Kids Zone features 30+ inflatables and a Spook Trail.

Oct. 30‑31 – WestWorld brings back its Halloween festival with trick‑or‑treating, entertainment and family activities.

Oct. 31 – The Arizona Boardwalk concludes the season with a free Halloween bash for families.

Chandler

Oct. 1‑Nov. 1 – Stroll the Riverwalk at Rawhide to view intricately carved, handmade pumpkin art, some pieces reaching nearly 20 feet tall, accompanied by music and immersive soundscapes.

General Tips

All events are subject to change; please verify dates, times and any admission fees on the official event websites before attending. Many festivals are free, offering families affordable ways to celebrate the season while enjoying safe, community‑focused activities.

Original reporting: azfamily KTVK/KPHO Phoenix (news) — read the source article.