What's on in Ontario for free?
44 upcoming events
See it on a mapVenues at a glanceWe've rounded up 44 upcoming events in Ontario for free — concerts, parties, theatre, exhibitions, family outings — updated every day. Pick a theme or just scroll.
Events in Ontario for free
Mon5
Tomorrow
Tue6
Tuesday 6 October
Tomorrow · 6 PMFree
📖Story time
Family Story Time
Ontario Branch Library
Tue 6Free
🎨Creative workshop📖Story time
Crafty Kids
Ontario Branch Library
Tue 6 · 10 AMFree
🧾Drop-in services
Open Knit
Ontario Public Library
Tue 6 · 10:15 AMFree
📖Story time1–3 yrs
Storytime
Ontario Public Library
Tue 6 · 10:30 AMFree
📖Story time
Toddler Story Time
Ontario Branch Library
Wed7
Wednesday 7 October
Thu8
Thursday 8 October
Wed 7 · 7 PMFree
❓Quiz🌳Outdoors
Trivia Night at Left Coast Brewing Distillery Smokehouse - Ontario
Left Coast Brewing Distillery Smokehouse - Ontario
Thu 8 · 10 AMFree
🧘Wellness🧘Yoga
Integral Qigong and Tai Chi: Thursdays with the "Ancestors"
Bethel Congregational Church
Thu 8 · 1 PMFree
🗣️Talk
Master Gardeners: Putting your Garden to Bed
Ontario Public Library
Thu 8 · 12 PMFree
🗣️Talk🕊️Human rights
Breast Cancer Education & Awareness
Anthony Munoz Community Center
Fri9
Friday 9 October
Sat10
Saturday 10 October
Later
Sun 11 · 1 PMFree
📖Story time🌳Outdoors13–19 yrs
Pumpkin Party on the Patio
Ontario Branch Library
Mon 12Free
✂️Workshop📚Literature
Edgar Allen Poe-try
Ontario Branch Library
Tue 13 · 2 PMFree
📚Literature🗣️Talk
Book Chatter
Ontario Branch Library
Thu 15 · 2 PMFree
🎯Board games🎨Creative workshop12–17 yrs
Teen Time!
Ontario Branch Library
Thu 15 · 6 PMFree
🗣️Talk📸Photography
Abandoned Cemeteries & Rural Farmhouses
Ontario Branch Library
Thu 15Free
🏷️Other
Ontario CERT Basic Academy
Ontario Fire Dept. Station 3
Fri 16 · 8:30 PMFree
🎤Stand-up😂Comedy
Evening at the Ontario Improv Comedy Club
Ontario Improv
Mon 19 · 12 PMFree
🧸Kids0–15 yrs
Monday Make and Take
Ontario Branch Library
Thu 22 · 6 PMFree
✂️Workshop🪡Crafts
Friendly Floating Ghost
Ontario Branch Library
Sat 24 · 10 AM$0
🖼️Art & Culture
Studio Saturdays: Story Sharing and Clapper Sticks with Jessa Calderon
Ontario Museum of History & Art
Sun 25 · 11:30 AMFree
🏷️Other
October Amigas Monthly Brunch
Kulturas
Mon 26 · 6 PMFree
📖Story time3–8 yrs
Scaredy-Cat Ball
Ontario Branch Library
Tue 27 · 9 AMFree
💼Career
Ready for Business: An Emergency Preparedness Workshop
Ontario Police Department - Community Room
Sun 1 · 1 PMFree
One Room, Two Ways- An Interior Design Workshop
La-Z-Boy Furniture Galleries
Thu 5 Nov · 4:30 PM$0
First Thursdays: Stories of Place – Ontario Uncovered
Ontario Museum of History & Art
Sat 7 Nov · 10 AM$0
Studio Saturdays: Accordion Zines of Remembrance with Caylin Yorba-Ruiz
Ontario Museum of History & Art
Sat 7 Nov · 10 AM$0
Ontario Christian Open House: Preschool - 8th Grade
Ontario Christian Elementary and Middle School
Thu 12 Nov · 6 PMFree
PEI Fall CE 2026- Ontario, CA
Delta Hotels Ontario Airport
Fri 13 NovFree
2026 Ontario Holiday Bazaar
Four Rivers Cultural Center
Sat 14 Nov · 10 AM$0
Studio Saturdays: Printed Bites with Cindita’s Tiendita
Ontario Museum of History & Art
Sat 14 Nov · 10 AM$0
Ontario Christian Open House: High School
Ontario Christian High School
Sat 14 Nov · 3:30 PM$0FR
Mary's Drag Bingo Fundraiser
Hamburger Mary's Ontario
Sat 12 Dec · 8 AM$0
🤝Volunteering
2nd Annual Car Show & Toy Drive
3325 E Shelby St
Fri 18 Dec · 7 PMFree
Prophetic Flow Healing and Deliverance Service
San Antonio Christian School Chapel
Thu 14 Jan · 5 PMFree
✂️Workshop
Behavior Genius Open House
Behavior Genius
Sat 16 Jan · 12 PMFree
5th Annual MLK Jr. Unity Celebration
Caramel Connections Foundation
Fri 19 Feb · 10 AM$0
Ontario, CA- Makeup Blowout Sale Event!
Ontario Airport Hotel & Conference Center
Thu 8 Jul · 11 AMFree
INLAND EMPIRE In Person (IP) Community Career Fair 07/08/2027
Holiday Inn Ontario Airport
See also in Ontario for free
Tue 6 · 7 PMFree
❓Quiz🎫Concert
Trivia Night at 1906 inc.
1906 inc., Upland
Wed 7 · 8 PM
✨Pop🌐World music
Chayanne - Bailemos Otra Vez Tour
Toyota Arena - Ontario
Fri 16 · 7 PMFree
🎫Concert
Rumble King Live at WXYZ® Bar
Aloft Ontario-Rancho Cucamonga
Sat 17 · 5:30 PM$73–1,041
✨Pop🎫Concert
Dustin Lynch
LoanMart Field, Rancho Cucamonga
Sun 18 · 3 PM
🎤Karaoke
HALLOWEEN KARAOKE DAY PARTY
Epic Events Center, Rancho Cucamonga
Sat 24 · 7 PM$10–45
🎸Jam / Open mic
The Willow Place Presents: The Artist Collective
7373 East Ave, Fontana
Sun 25 · 6 PM$39.19–81.88
🎸Rock🌐World music
The REO Brothers of Tacloban- LOS ANGELES, CA
The Noypitz Bar & Grill, Rancho Cucamonga
Thu 8 · 7 PM$12.51
🎹Blues💜Soul / Funk
Grown folks Night for music and conversation
Evolve Distilling, Claremont
At 8 PM$39.87
🎸Rock🤘Metal
Fear and Loathing in Las Vegas
The Glass House, Los Angeles
Tomorrow · 5 PMFree
🎸Rock🎫Concert
GRETA VAN FLEET Early Listening Event Pomona
DBZ Books N Records Pomona
Fri 9 · 5 PM$0–105.50
🎪Street party🪕Folk / Acoustic
Oktoberfest at HCM
Haven City Market, Rancho Cucamonga
Sun 20 · 11 AM$0
🎉Club
SUNDAY FUNDAY BRUNCH AT ACE’S!
Ace's Corner Lounge, Upland
Sat 10 · 5 PM$33.85–2,000
🎪Street party
2026 Latinícima® Rumbo a la Cima Awards
Delta Hotels Ontario Airport
Sat 10 · 6:30 PM$28.52–1,069
🎉Parties
4th Annual Bold Loud And Creative Oscars
Bombay Banquet Hall & Events Center, Ontario
Wed 14
🎊Village dance🪕Country
Paradise Country Dance Festival
Paradise Country Dance Festival — Ontario
Sat 17 · 6 PM$23.18–55.20
💿DJ set
Pillow Talk
11910 Foothill Blvd, Rancho Cucamonga
Fri 23 · 8 PM$13.58
💿DJ set
Bass Invaders Halloween Edition
Dave & Buster's Ontario
Sat 24 · 3 PM$23.18
🎪Street party🌳Outdoors
4th Annual CHP Rancho Cucamonga Trunk or Treat Car Show
California Highway Patrol, Rancho Cucamonga
Sat 24 · 4 PM$0–65.87
🌳Outdoors
Halloween Family Glow Party
217 E A St, Upland
Fri 30 · 9:30 PM$23.11–28.45
🎉Club
La Experiencia MON LAFERTE con Tormento en Ontario!
Mix Champagne Lounge, Ontario
Sat 31
🎪Street party💛Inclusivity
The Inka Empire for Let's Make It Happen, Happy Halloween
ST. MARK'S EPISCOPAL CHURCH, UPLAND
Sun 11 · 11 AM$0
🌳Outdoors🎪Street party
Fall Picnic at the Historic Chaffey Communities Cultural Center
Pioneer Park, Upland
Sun 11 · 1 PM
👑Drag show
Hocus Pocus Drag Brunch
Ontario Improv
Fri 16 · 7 PM$17.39
💿DJ set🎤Karaoke
Rancho Cucamonga, CA - Ghoul’s Night! @ Punch Bowl Social
Punch Bowl Social, Rancho Cucamonga
Fri 23 · 5 PM$108.55
🤝Volunteering♿Disability
Anthesis 60th Anniversary Dinner
Upland Events & Banquet Center
Thu 29 · 5 PMFree
🎪Street party
Upland Annual Trunk or Treat
1945 W 9th St, Upland
Fri 9$28.52
🎪Street party🌳Outdoors
The Haunted Car Wash in Montclair
Splash N Go Express Car Wash, Montclair
Tue 6 · 9:30 PM$0–12.51
💿DJ set
10/6 SPACE TACO FOUNDER SEEK-ONE'S BIRTHDAY!!
The Basement – Pomona
Wed 21 · 8 PM$48–143
🎤Stand-up
The Dirty Show
Ontario Improv
Fri 16 · 7:30 PM
🎭Theatre
Young Frankenstein
Lewis Family Playhouse, Rancho Cucamonga
Fri 23 · 9 PM$35
🎭Stage
Wicked After Dark: House of Pole Halloween Showcase
House of Pole, Upland
Sat 24 · 7 PM$49.87
✨Cabaret🪄Magic
A Haunted Cabaret
Panzarello's Italian Restaurant, Upland
At 6 PM$105–202
🎤Stand-up
Bill Bellamy
Ontario Improv
At 6 PM$31.14–83.16
🎤Stand-up
Jesus Trejo
Ontario Improv
Sat 10 · 10 AMFree
🗣️Talk
Seminario Gratuito de Fideicomisos / Living Trusts
10130 W Foothill Blvd ste 111, Rancho Cucamonga
Wed 14 · 10:30 AMFree
🗣️Talk
Free Educational Seminar on Estate Planning - Rancho Cucamonga
Mimi's Café - Rancho Cucamonga
Sun 25 · 2 PM$15.71
🎬Cinema
The Unifiers: Sudden Heroes movie premiere
Starlight Terra Vista 6 Movies, Rancho Cucamonga
Sat 17 · 9 AMFree
🗣️Talk🧘Wellness
Love yourself back to life
The Upland
Fri 30
🪡Crafts
2026 Ontario Scrapbook Expo
Ontario Convention Center
Sat 17 · 10 AM
🖼️Exhibition🪡Crafts
Ontario Arts Festival
Chaffey Community Museum of Art
Tomorrow · 3:30 PMFree
🃏Trading cards
Pokémon Club
Children's Library, Woodland
Sat 10 · 9 AMFree
🗣️Talk🌳Outdoors
Introduction to California Native or Waterwise Garden Design
Waterwise Community Center, Montclair
Tue 13 · 6 PM
🎬Cinema
Horror at the Library: The House on Haunted Hill
Claremont Helen Renwick Library
Thu 15 · 4:30 PM$0
🗣️Talk🖼️Exhibition
Pepper Lecture: Artist Isabel Beavers & Nora N. Khan in Conversation
Benson Auditorium, Claremont
Thu 29 · 5:30 PM$71.21
🍽️Food
Claremont Supper Club: Día de los Muertos October 29
Garner House, Claremont
Sat 10 · 3 PMFree
🗺️Guided tour🏰Heritage
Second Saturdays tour @ AMOCA 8.8.26
American Museum of Ceramic Art (AMOCA), Pomona
Tomorrow · 6 PMFree
🗣️Talk🏛️Politics & Economy
National Financial Literacy Campaign
Eastvale
Your passions nearby
Tap what you're into — we'll find the outings around you.
Venues in Ontario for free
Delta Hotels Ontario Airport
2 events
Ontario Convention Center
4 events
DoubleTree by Hilton Hotel Ontario Airport
2 events
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Toyota Arena - Ontario
47 events
Ontario Improv
22 events
Kulturas
4 events
Center Ice Skating Arena
10 events
Ontario Museum of History & Art
5 events
Ontario Improv
31 events
1240 W 4th St
1 event