Costco Part-Time Jobs in O'Fallon, MO — Start This Week

As of November 2026, there are 309 Costco part-time openings in O'Fallon, MO. Local pay ranges from $15 to $34/hr. Listings are updated daily — benefits start Day 1 for most positions.

Costco

HR Assistant|Flexible|O'fallon

O'Fallon, MO

$20 - $24

Costco

Cashier - Part Time

O'Fallon, MO

$19 - $23

Costco

Warehouse Loader|O’fallon,IL|Costco | Hiring

O’Fallon, IL

$19 - $24

Costco

Part Time Custodian

O’Fallon, IL

$21 - $27

Costco

Tire Installer-Part Time(Gig)-O'fallon

O'Fallon, MO

$20 - $25

Costco

Morning Shift needed in O'fallon(Apply Now)

O'Fallon, MO

$19 - $24

Costco

Part Time Stock Clerk

O'Fallon, MO

$21 - $25

Costco

Loss Prevention Clerk-Part Time($20-$24/hr)-O'fallon,MO | Hiring

O'Fallon, MO

$20 - $24

Costco

$21.00/hr Cart Attendant-O'fallon(PT)

O'Fallon, MO

$19 - $23

Costco

Transportation Jobs - Part Time

O'Fallon, MO

$22 - $28

Costco

Costco(O'fallon)Hiring:Pallet Jack Operator-Part Time | Apply Now

O'Fallon, MO

$18 - $24

Costco

Entry Part Time Warehouse Worker(Contract)-O'fallon

O'Fallon, MO

$18 - $24

Costco Part-Time Jobs in O'Fallon — FAQ

How many Costco part-time jobs are open in O'Fallon, MO?
There are currently 309+ 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 309+ 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

66 open positions

Costco Grocery & Fresh Jobs in O'Fallon

59 open positions

Costco Fulfillment Center Jobs in O'Fallon

27 open positions

Costco Delivery Driver Jobs in O'Fallon

24 open positions

Costco Overnight Jobs in O'Fallon

18 open positions

Costco CDL Driver Jobs in O'Fallon

12 open positions

Costco Pharmacy Jobs in O'Fallon

11 open positions

Costco Customer Service Jobs in O'Fallon

4 open positions

Last updated: November 02, 2026