Costco Part-Time Jobs in St. Peters, MO — Immediate Openings

As of October 2026, there are 249 Costco part-time openings in St. Peters, MO. Local pay ranges from $15 to $34/hr. Listings are updated daily — benefits start Day 1 for most positions.

Costco

Cashier - Part Time

St. Peters, MO

$21 - $26

Costco

Immediate Opening:Part Time Baker(Gig)

St. Peters, MO

$20 - $23

Costco

Hearing Aid Center Jobs (Part Time)

St. Peters, MO

$23 - $33

Costco

Entry Warehouse Associate-Part Time(Flexible)|St. Peters

St. Peters, MO

$16 - $20

Costco

Cashier - Part Time

St. Peters, MO

$16 - $20

Costco

Part Time Stocking Associate

St. Peters, MO

$17 - $20

Costco

St. Peters Contract:Store Associate

St. Peters, MO

$18 - $24

Costco

Flexible Hours:Online Order Associate-St. Peters

St. Peters, MO

$18 - $20

Costco

Licensed Optician - Part Time

St. Peters, MO

$24 - $31

Costco

(St. Peters)Part-Time:Inventory Associate

St. Peters, MO

$18 - $24

Costco

(St. Peters)Part-Time:Office Assistant

St. Peters, MO

$19 - $24

Costco

Part Time Costco Now Hiring

St. Peters, MO

$18 - $24

Costco Part-Time Jobs in St. Peters — FAQ

How many Costco part-time jobs are open in St. Peters, MO?
There are currently 249+ Costco part-time positions in St. Peters, MO. New part-time roles are added regularly — check this page for the latest openings.
How much do Costco part-time jobs pay in St. Peters?
Costco part-time pay in St. Peters 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 St. Peters?
Many Costco part-time positions in St. Peters 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 St. Peters?
Browse the 249+ 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 St. Peters

Costco Weekend Jobs in St. Peters

49 open positions

Costco Grocery & Fresh Jobs in St. Peters

48 open positions

Costco Fulfillment Center Jobs in St. Peters

21 open positions

Costco Delivery Driver Jobs in St. Peters

17 open positions

Costco Overnight Jobs in St. Peters

15 open positions

Costco CDL Driver Jobs in St. Peters

10 open positions

Costco Pharmacy Jobs in St. Peters

8 open positions

Costco Customer Service Jobs in St. Peters

3 open positions

Last updated: October 30, 2026