Costco St Peters Gas Prices
200 Costco Way, Saint Peters, MO 63376
Warehouse #382
3rd cheapest of 8 in Missouri
Today's pump prices
per gallon
Regular Unleaded
$3.259Premium Unleaded
$3.899Diesel
Not sold at this stationPrices last refreshed — always verify at the pump.
30-day price trend
RegularPremium
Costco St Peters Gas Station Hours
- Monday6AM – 10PM
- Tuesday6AM – 10PM
- Wednesday6AM – 10PM
- Thursday6AM – 10PM
- Friday6AM – 10PM
- Saturday6AM – 8:30PM
- Sunday6AM – 7:30PM
A current Costco membership card is required to fuel up. Hours may differ on holidays — confirm at the warehouse before a long drive.
Costco St Peters Warehouse Hours
- Monday10AM – 8:30PM
- Tuesday10AM – 8:30PM
- Wednesday10AM – 8:30PM
- Thursday10AM – 8:30PM
- Friday10AM – 8:30PM
- Saturday9:30AM – 7PM
- Sunday10AM – 6PM
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