Costco Part-Time Jobs in O'Fallon, MO — Now Hiring

As of September 2026, there are 31 Costco part-time openings in O'Fallon, MO. Local pay ranges from $16 to $28/hr. Listings are updated daily — benefits start Day 1 for most positions.

Costco

Entry Loss Prevention Clerk-Part Time(Flexible)|O'fallon

O'Fallon, MO

$20 - $24

Costco

Immediate Opening:Security(Gig)

O'Fallon, MO

$19 - $25

Costco

O'fallon Contract:Store Associate

O'Fallon, MO

$18 - $24

Costco

O'fallon Flexible Role:Facilities Maintenance

O'Fallon, MO

$18 - $25

Costco

Loss Prevention Clerk-Part Time(Contract)|O’fallon

O’Fallon, IL

$20 - $24

Costco

O’fallon Contract:Security

O’Fallon, IL

$19 - $25

Costco

Store Associate(Contract)|O’fallon

O’Fallon, IL

$18 - $24

Costco

Flexible Facilities Maintenance(O’fallon)

O’Fallon, IL

$18 - $25

Costco

Transportation Jobs - Part Time

O'Fallon, MO

$22 - $28

Costco

Cashier - Part Time

O'Fallon, MO

$19 - $23

Costco

Part Time Cashier Jobs

O'Fallon, MO

$18 - $23

Costco

Part Time Costco Now Hiring

O'Fallon, MO

$16 - $20

Costco Part-Time Jobs in O'Fallon — FAQ

How many Costco part-time jobs are open in O'Fallon, MO?
There are currently 31+ Costco part-time positions in O'Fallon, MO. New part-time roles are added regularly — check this page for the latest openings.
How much do Costco part-time jobs pay in O'Fallon?
Costco part-time pay in O'Fallon 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 O'Fallon?
Many Costco part-time positions in O'Fallon 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 O'Fallon?
Browse the 31+ 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.

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Other Costco Jobs in O'Fallon

Costco Weekend Jobs in O'Fallon

17 open positions

Costco Grocery & Fresh Jobs in O'Fallon

12 open positions

Costco Fulfillment Center Jobs in O'Fallon

3 open positions

Costco Delivery Driver Jobs in O'Fallon

3 open positions

Costco Overnight Jobs in O'Fallon

3 open positions

Costco Pharmacy Jobs in O'Fallon

1 open positions

Last updated: September 17, 2026