Costco Part-Time Jobs in Ontario, CA — Apply Today

As of September 2026, there are 22 Costco part-time openings in Ontario, CA. Local pay ranges from $16 to $27/hr. Listings are updated daily — benefits start Day 1 for most positions.

Costco

Recent Job:Loss Prevention Clerk-Part Time(Contract,Ontario)

Ontario, CA

$20 - $24

Costco

Flexible Security(Ontario)

Ontario, CA

$19 - $25

Costco

Flexible Store Associate(Ontario)

Ontario, CA

$18 - $24

Costco

Ontario Contract:Facilities Maintenance

Ontario, CA

$18 - $25

Costco

Transportation Jobs - Part Time

Ontario, CA

$18 - $24

Costco

Cashier - Part Time

Ontario, CA

$19 - $23

Costco

Part Time Cashier Jobs

Ontario, CA

$16 - $20

Costco

Part Time Costco Now Hiring

Ontario, CA

$18 - $23

Costco

Part Time Stocking Associate

Ontario, CA

$22 - $27

Costco

Part Time Stock Clerk

Ontario, CA

$17 - $20

Costco

Urgent Hire in Ontario:Careers

Ontario, CA

$18 - $24

Costco

Flexible Hours:Retail Associate-Ontario

Ontario, CA

$21 - $24

Costco Part-Time Jobs in Ontario — FAQ

How many Costco part-time jobs are open in Ontario, CA?
There are currently 22+ Costco part-time positions in Ontario, CA. New part-time roles are added regularly — check this page for the latest openings.
How much do Costco part-time jobs pay in Ontario?
Costco part-time pay in Ontario varies by specific role and shift. Most positions include shift differentials for nights and weekends, plus benefits starting Day 1. Browse the listings above to see pay details for each opening.
Does Costco hire for part-time positions with no experience in Ontario?
Many Costco part-time positions in Ontario require no prior experience. Costco provides paid training for new hires. Check individual listings for specific requirements.
How do I apply for Costco part-time jobs in Ontario?
Browse the 22+ part-time listings above, click on any position for full details including pay and shift times, then follow the application link. Most Costco positions have a 15–30 minute online application.

Costco Part-Time Jobs in Other Cities

Costco Part-Time Jobs in Springfield

115 open positions

Costco Part-Time Jobs in Columbus

93 open positions

Costco Part-Time Jobs in Lakewood

88 open positions

Costco Part-Time Jobs in Greenville

87 open positions

Costco Part-Time Jobs in Columbia

86 open positions

Costco Part-Time Jobs in Bloomington

81 open positions

Costco Part-Time Jobs in Middletown

80 open positions

Costco Part-Time Jobs in Auburn

78 open positions

Costco Part-Time Jobs in Franklin

78 open positions

Costco Part-Time Jobs in Albany

68 open positions

Other Costco Jobs in Ontario

Costco Weekend Jobs in Ontario

12 open positions

Costco Grocery & Fresh Jobs in Ontario

8 open positions

Costco Overnight Jobs in Ontario

3 open positions

Costco Fulfillment Center Jobs in Ontario

2 open positions

Costco Delivery Driver Jobs in Ontario

2 open positions

Costco Pharmacy Jobs in Ontario

1 open positions

Last updated: September 17, 2026