Best events in
Ontario

Looking for something to do in Ontario? Whether you're a local, new in town or just cruising through we've got loads of great tips and events. You can explore by location, what's popular, our top picks, free stuff... you got this. Ready?

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Popular in Ontario

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Steven G Back Outside at Remix

Today • 10:00 PM

Mix Champagne Lounge

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Wednesday Nights at the Ontario Improv 6/18 7pm

Wednesday • 7:00 PM

Ontario Improv

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A Peaches And Cream Day Party

Sun, Jun 29 • 4:00 PM

Mix Champagne Lounge

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2025 Curriculum Institute - Hybrid Event

Wed, Jul 9 • 1:00 PM

Ontario Convention Center

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5th ANNUAL - iD.A.Y.dream Backpack and School Supplies Giveaway

Sat, Jul 19 • 10:00 AM

Celebration Park NORTH

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Inland Empire Career Fair

Thu, Jul 31 • 9:30 AM

Hilton Hotel

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Inland Empire Career Fair

Thu, Jul 31 • 9:30 AM

Marriott

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Ontario Quinceanera.com Expo & Fashion Show 2025

Sun, Aug 10 • 12:00 PM

Ontario Convention Center

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Steven G Back Outside at Remix

Today • 10:00 PM

Mix Champagne Lounge

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Wednesday Nights at the Ontario Improv 6/18 7pm

Wednesday • 7:00 PM

Ontario Improv

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A Peaches And Cream Day Party

Sun, Jun 29 • 4:00 PM

Mix Champagne Lounge

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2025 Curriculum Institute - Hybrid Event

Wed, Jul 9 • 1:00 PM

Ontario Convention Center

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5th ANNUAL - iD.A.Y.dream Backpack and School Supplies Giveaway

Sat, Jul 19 • 10:00 AM

Celebration Park NORTH

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Inland Empire Career Fair

Thu, Jul 31 • 9:30 AM

Hilton Hotel

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Inland Empire Career Fair

Thu, Jul 31 • 9:30 AM

Marriott

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Ontario Quinceanera.com Expo & Fashion Show 2025

Sun, Aug 10 • 12:00 PM

Ontario Convention Center

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Online Events

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Dallas Career Fair

Tuesday • 9:30 AM CDT

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Voices of Plants for a Better World

Friday • 10:00 AM CDT

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IFE ECNG Elevate: B5 requirements for Fire Service access

Wed, Jun 25 • 3:00 PM GMT+1

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Career Fair: Exclusive Tech Hiring Event-New Tickets Available

Fri, Jun 27 • 9:00 AM PDT

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SLBI Dues 2025-2026

Mon, Jun 30 • 10:00 AM PDT

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Bakersfield Career Fair

Thu, Jul 17 • 9:30 AM PDT

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Single and Intentional (Ages 25+ preferred) Virtual Event

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No Cost On-Line Coursera Certification Courses For Military and Spouse

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Dallas Career Fair

Tuesday • 9:30 AM CDT

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Voices of Plants for a Better World

Friday • 10:00 AM CDT

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IFE ECNG Elevate: B5 requirements for Fire Service access

Wed, Jun 25 • 3:00 PM GMT+1

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Career Fair: Exclusive Tech Hiring Event-New Tickets Available

Fri, Jun 27 • 9:00 AM PDT

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SLBI Dues 2025-2026

Mon, Jun 30 • 10:00 AM PDT

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Bakersfield Career Fair

Thu, Jul 17 • 9:30 AM PDT

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Single and Intentional (Ages 25+ preferred) Virtual Event

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No Cost On-Line Coursera Certification Courses For Military and Spouse

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This Weekend

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Ontario Murder Mystery: Solve the case!

Fri, Jun 13 • 4:00 PM + 29 more

215 E C St

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Scavenger Hunt Ontario

Today • 11:00 AM + 1 more

Ontario

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Parent Advisory Council: Lunch & Learn

Today • 11:00 AM

1500 S Haven Ave ste 250

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RUMBER⭐️S presents: SHOWGXRL - Burlesque and Dinner Show

Today • 10:00 PM

Hamburger Mary's Ontario

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Adventurous Scavenger Hunt in Ontario by Operation City Quest

Today • 9:00 AM + 13 more

Ontario Town Square

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Father's Day Sunday Service

Tomorrow • 8:00 AM

ONTARIO CHRISTIAN CENTER

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Ontario Murder Mystery: Solve the case!

Fri, Jun 13 • 4:00 PM + 29 more

215 E C St

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Scavenger Hunt Ontario

Today • 11:00 AM + 1 more

Ontario

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Parent Advisory Council: Lunch & Learn

Today • 11:00 AM

1500 S Haven Ave ste 250

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RUMBER⭐️S presents: SHOWGXRL - Burlesque and Dinner Show

Today • 10:00 PM

Hamburger Mary's Ontario

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Adventurous Scavenger Hunt in Ontario by Operation City Quest

Today • 9:00 AM + 13 more

Ontario Town Square

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Father's Day Sunday Service

Tomorrow • 8:00 AM

ONTARIO CHRISTIAN CENTER

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Music events

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Steven G Back Outside at Remix

Today • 10:00 PM

Mix Champagne Lounge

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Rad Moon Rising & Like Zeppelin

Sat, Jun 28 • 7:30 PM

2200 E Holt Blvd

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A Peaches And Cream Day Party

Sun, Jun 29 • 4:00 PM

Mix Champagne Lounge

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Bobcat Was Abducted By Aliens At Strum Brewing Co, Ontario CA

Fri, Jul 25 • 6:00 PM

Strum Brewing Company

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Steven G Back Outside at Remix

Today • 10:00 PM

Mix Champagne Lounge

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Rad Moon Rising & Like Zeppelin

Sat, Jun 28 • 7:30 PM

2200 E Holt Blvd

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A Peaches And Cream Day Party

Sun, Jun 29 • 4:00 PM

Mix Champagne Lounge

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Bobcat Was Abducted By Aliens At Strum Brewing Co, Ontario CA

Fri, Jul 25 • 6:00 PM

Strum Brewing Company

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Points of Interest near Ontario

Ontario Museum Of History Art

Popular in Ontario

Steven G Back Outside at Remix

Wednesday Nights at the Ontario Improv 6/18 7pm

A Peaches And Cream Day Party

2025 Curriculum Institute - Hybrid Event

5th ANNUAL - iD.A.Y.dream Backpack and School Supplies Giveaway

Inland Empire Career Fair

Inland Empire Career Fair

Ontario Quinceanera.com Expo & Fashion Show 2025

Steven G Back Outside at Remix

Wednesday Nights at the Ontario Improv 6/18 7pm

A Peaches And Cream Day Party

2025 Curriculum Institute - Hybrid Event

5th ANNUAL - iD.A.Y.dream Backpack and School Supplies Giveaway

Inland Empire Career Fair

Inland Empire Career Fair

Ontario Quinceanera.com Expo & Fashion Show 2025

Online Events

Dallas Career Fair

Voices of Plants for a Better World

IFE ECNG Elevate: B5 requirements for Fire Service access

Career Fair: Exclusive Tech Hiring Event-New Tickets Available

SLBI Dues 2025-2026

Bakersfield Career Fair

Single and Intentional (Ages 25+ preferred)** Virtual Event**

No Cost On-Line Coursera Certification Courses For Military and Spouse

Dallas Career Fair

Voices of Plants for a Better World

IFE ECNG Elevate: B5 requirements for Fire Service access

Career Fair: Exclusive Tech Hiring Event-New Tickets Available

SLBI Dues 2025-2026

Bakersfield Career Fair

Single and Intentional (Ages 25+ preferred)** Virtual Event**

No Cost On-Line Coursera Certification Courses For Military and Spouse

This Weekend

Ontario Murder Mystery: Solve the case!

Scavenger Hunt Ontario

Parent Advisory Council: Lunch & Learn

RUMBER⭐️S presents: SHOWGXRL - Burlesque and Dinner Show

Adventurous Scavenger Hunt in Ontario by Operation City Quest

Father's Day Sunday Service

Ontario Murder Mystery: Solve the case!

Scavenger Hunt Ontario

Parent Advisory Council: Lunch & Learn

RUMBER⭐️S presents: SHOWGXRL - Burlesque and Dinner Show

Adventurous Scavenger Hunt in Ontario by Operation City Quest

Father's Day Sunday Service

Music events

Steven G Back Outside at Remix

Rad Moon Rising & Like Zeppelin

A Peaches And Cream Day Party

Bobcat Was Abducted By Aliens At Strum Brewing Co, Ontario CA

Steven G Back Outside at Remix

Rad Moon Rising & Like Zeppelin

A Peaches And Cream Day Party

Bobcat Was Abducted By Aliens At Strum Brewing Co, Ontario CA

Points of Interest near Ontario

Single and Intentional (Ages 25+ preferred) Virtual Event

Single and Intentional (Ages 25+ preferred) Virtual Event