by Flagstaff, Arizona — Halloween 2026 is bringing costume celebrations, trick-or-treating, spooky walking tours and family-friendly activities to Flagstaff. With its historic Route 66 downtown, old railroad-era buildings and cool autumn evenings, the northern Arizona city offers plenty of ways to enjoy the Halloween season.
Halloween falls on Saturday, October 31, 2026, giving families and visitors an opportunity to explore daytime activities before heading out for evening celebrations. From a free downtown Trick-or-Treat Trail to haunted-history tours and a special Halloween event at Flagstaff Mall, there are options for different ages and interests. Discover Flagstaff+2
1. Halloween Trick-or-Treat Trail in Downtown Flagstaff
Families looking for a free Halloween activity can head to Heritage Square in downtown Flagstaff on Saturday, October 31. The annual Halloween Trick-or-Treat Trail is scheduled for 4 p.m. to 7 p.m., giving children an opportunity to collect candy from participating downtown businesses.
The trail begins at Heritage Square, where families can pick up a map showing participating locations. Children can follow the route through downtown and visit local businesses offering Halloween treats.
The celebration is designed to provide a community-oriented Halloween experience for families. A Trunk-or-Treat activity is also planned along Aspen Avenue between Leroux and San Francisco streets.
Admission is free, making this an option for families looking for Halloween entertainment without paying for tickets.
2. Free Halloween Trick-or-Treating at Flagstaff Mall
Flagstaff Mall is hosting a free trick-or-treating event and costume contest on October 31 from 3 p.m. to 5 p.m.
The event is scheduled at the mall at 4650 N. US Highway 89. Families can check in at the Management Monsters table in the Entertainment Area outside JCPenney, where participating children can receive a treat bag and a map of participating stores.
Children can collect candy while exploring the mall’s Halloween displays. The event also includes a costume contest, with three winners selected through categories that include social media likes, a random selection and the mall management’s choice.
The event offers an indoor alternative for families who prefer to celebrate Halloween away from potentially cold October weather.
3. Trunk-or-Treat at Flagstaff Medical Center
Families can also consider the Northern Arizona Healthcare Trunk-or-Treat event at Flagstaff Medical Center.
The event is scheduled for Friday, October 30, from 4 p.m. to 6 p.m., in the medical center’s west campus parking lot at 1329 N. Beaver Street.
Children can collect Halloween treats while enjoying a community celebration with family and friends. Trunk-or-Treat events typically feature decorated vehicles and provide an organized alternative to traditional neighborhood trick-or-treating.
Parents should confirm the event’s arrangements and any participation requirements before arriving.
4. Haunted History Tour of Downtown Flagstaff
Flagstaff’s historic downtown provides a setting for visitors interested in ghost stories and local legends. Freaky Foot Tours operates a guided Haunted History Tour that explores the city’s past through stories associated with historic hotels, theaters, railroad landmarks and other downtown locations.
The approximately 75-minute walking tour visits several historic sites, including locations associated with the Hotel Monte Vista, Weatherford Hotel and Orpheum Theatre.
Tours are scheduled nightly at 7 p.m., with additional departures on selected evenings. For Halloween weekend, visitors can look into the October 30 and October 31 tours.
This activity is particularly suited to adults and older children who enjoy spooky storytelling alongside local history. Participants should wear comfortable shoes and dress for cool evening temperatures.
5. Mountain Town of Madness Adults-Only Ghost Tour
Adults looking for a darker Halloween experience can consider the Mountain Town of Madness ghost tour. This experience explores Flagstaff’s historic streets through more mature ghost stories, unusual local accounts and true-crime history.
The tour is intended for guests aged 18 and older and is scheduled for Friday and Saturday evenings at 9 p.m. through November 7, including October 30 and October 31.
The experience offers an alternative to family-oriented Halloween events, with guides sharing stories connected to historic downtown landmarks.
Advance reservations are recommended, especially for Halloween weekend, when evening tours may fill up.
6. Pick-or-Treat Acoustic Porchfest
Flagstaff Pick-or-Treat Acoustic Porchfest brings live music into local neighborhoods on Halloween night. Scheduled for Saturday, October 31, from 5 p.m. to 8 p.m., the free community event features acoustic performances by local and Northern Arizona musicians.
Participating residents open their porches, yards or driveways as small performance spaces, creating a neighborhood music festival. The event is intended to combine live music, community participation and Halloween activities.
Which Halloween event in Flagstaff are you planning to attend this year? Share your favorite activities and Halloween traditions in the comments.
