Part Time Jobs in Ontario, CA — Hiring Now
Browse 90+ part time job openings in Ontario, CA. Weekend, overnight, entry level & more flexible part time careers hiring now in Ontario. Apply today.
Sam's Club
Merchandise and Stocking Associate
Ontario, CA
$0 - $0
Federal Express Corporation
Immediate Start in Ontario:Seasonal Package Handler-Part Time
Ontario, CA
$21 - $22
Gordon Food Service
Gordon Food Service is hiring a Part Time Store Associate in Ontario
Ontario, CA
$19 - $26
The Hairy Hound
Receptionist - Part Time
Ontario, CA
$14 - $17
ExecutivePlacements.com
Ontario Part-time Part Time / Remote Work / Flexible | Hiring
Ontario, CA
$19 - $26
Office Pride
Flexible Part Time Evenings Cleaning Crew Member(Ontario)
Ontario, CA
$11 - $13
Burlington
Seasonal Retail Stocking Associate - Part Time
Ontario, CA
$15 - $15
Cracker Barrel Old Country Store
Flexible Gig:Food Server-16 Years Old+(Ontario) | Hiring
Ontario, CA
$19 - $26
Total Wine & More
Seasonal Stocking / Fulfillment Associate - Part Time | Coral Springs
Ontario, CA
$19 - $26
AutoZone
Retail Associate needed in Ontario(Apply Now)
Ontario, CA
$19 - $26
Five Below
Seasonal Sales Associate-945 Cape Coral
Ontario, CA
$19 - $26
Fisher Auto Parts
Ontario:Store Delivery Driver-Part Time(Part-time,$15-$17/hr)
Ontario, CA
$15 - $17
Part Time Jobs in Ontario — FAQ
How many part time jobs are available in Ontario, CA right now?
There are currently 90+ open part time positions in Ontario, CA. These include weekend jobs, overnight shifts, entry level roles, student positions, temporary work, and more. New part time jobs are added daily.
What part time jobs pay the most in Ontario?
The highest-paying part time jobs in Ontario include: Part time RN/nursing roles ($25–$45/hr), delivery drivers ($15–$25/hr), warehouse associates ($15–$22/hr), and healthcare aides ($14–$20/hr). Night and weekend shifts often include extra shift differential pay. Use our Salary Calculator to see your exact take-home pay after taxes.
Can I find part time jobs with no experience in Ontario?
Yes. Many part time positions in Ontario require no prior experience — including retail, food service, warehouse, and delivery jobs. Most employers provide paid training for new hires. Browse our No Experience / Entry Level category for these roles.
What are the best weekend-only jobs in Ontario?
Popular weekend-only jobs in Ontario include retail sales associate, restaurant server/barista, warehouse associate, delivery driver, and event staff. Many employers offer Saturday & Sunday shifts with premium weekend pay. Browse our Weekend Jobs category for current openings.
Are there overnight part time jobs in Ontario?
Yes. Overnight part time jobs in Ontario are available in warehouse/fulfillment, security, healthcare (CNA/nurse aide), hotel front desk, and stocking roles. Night shifts typically pay $0.50–$3.00/hr extra on top of base pay.
How much can I earn part time after taxes in Ontario?
Your part time take-home pay in Ontario depends on your hourly rate, hours worked, and state tax rate. For example, working 20 hrs/week at $17/hr in a no-tax state takes home about $312/week, while in California it's closer to $280/week after state tax. Calculate your exact take-home with our Salary Calculator.
Are part time jobs hiring immediately in Ontario?
Yes, many part time positions in Ontario are hiring immediately with start dates within 1–2 weeks of applying. Retail, food service, and warehouse roles often offer same-week start dates. Browse the 90+ listings above and apply directly.