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

As of September 2026, there are 20 Costco part-time openings in O'Fallon, MO. Local pay ranges from $16 to $33/hr. Listings are updated daily — benefits start Day 1 for most positions.

Costco

Flexible Part-Time:Warehouse Associate-O'fallon

O'Fallon, MO

$21 - $27

Costco

Stocking Associate

O'Fallon, MO

$20 - $23

Costco

Part Time(Contract)|O'fallon

O'Fallon, MO

$18 - $25

Costco

O'fallon Part-Time Opening:Security

O'Fallon, MO

$19 - $26

Costco

Office Assistant(Part-Time)-O'fallon

O'Fallon, MO

$20 - $25

Costco

Membership Assistant|Flexible|O'fallon

O'Fallon, MO

$18 - $22

Costco

Administrative Jobs

O'Fallon, MO

$22 - $28

Costco

Just Posted:Part-Time Optical Associate(O'fallon)

O'Fallon, MO

$18 - $26

Costco

Part-Time Employment Opportunities in O'fallon

O'Fallon, MO

$18 - $28

Costco

Data Entry Clerk|Flexible|O’fallon

O’Fallon, IL

$21 - $27

Costco

O'fallon Flexible Role:Gas Station

O'Fallon, MO

$20 - $26

Costco

Maintenance & Security

O'Fallon, MO

$23 - $30

Costco Part-Time Jobs in O'Fallon — FAQ

How many Costco part-time jobs are open in O'Fallon, MO?
There are currently 20+ 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 20+ 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

94 open positions

Costco Part-Time Jobs in Lakewood

76 open positions

Costco Part-Time Jobs in Columbia

70 open positions

Costco Part-Time Jobs in Columbus

63 open positions

Costco Part-Time Jobs in Bloomington

63 open positions

Costco Part-Time Jobs in Pomona

55 open positions

Costco Part-Time Jobs in Anaheim

54 open positions

Costco Part-Time Jobs in Greenville

52 open positions

Costco Part-Time Jobs in San Jose

51 open positions

Costco Part-Time Jobs in Long Beach

50 open positions

Other Costco Jobs in O'Fallon

Costco Warehouse Jobs in O'Fallon

54 open positions

Costco Grocery & Fresh Jobs in O'Fallon

14 open positions

Costco Fulfillment Center Jobs in O'Fallon

10 open positions

Costco Weekend Jobs in O'Fallon

4 open positions

Costco Delivery Driver Jobs in O'Fallon

3 open positions

Costco CDL Driver Jobs in O'Fallon

2 open positions

Costco Overnight Jobs in O'Fallon

2 open positions

Costco Pharmacy Jobs in O'Fallon

1 open positions

Last updated: September 15, 2026