Costco Gas in Saint Louis, MO

Costco Gas Hours in Saint Louis

Saint Louis has 1 Costco gas station. Weekday hours are typically 6 AM to 9 PM. Saturday hours are 7 AM–7 PM. Sunday hours are 7 AM–7 PM. Membership is required at the pump. Costco gas is TOP TIER™ certified, meeting enhanced detergent standards recommended by most major automakers.