Costco Gas in St. Charles, IL
1 station in St. Charles, IL
Costco Gas Hours in St. Charles
St. Charles has 1 Costco gas station. Weekday hours are typically 6 AM to 10 PM. Sunday hours are 6 AM–7:30 PM. Membership is required at the pump. Costco gas is TOP TIER™ certified, meeting enhanced detergent standards recommended by most major automakers.
Hours last checked August 20, 2026. How we check
Costco gas in St. Charles: FAQ
How many Costco gas stations are in St. Charles, IL?
St. Charles has 1 Costco gas station: 221 South Randall Road.
What time does Costco gas open in St. Charles?
On weekdays, Costco gas in St. Charles opens at 6 AM and closes at 10 PM. Hours last checked August 20, 2026.
What are Costco gas hours on Sunday in St. Charles?
On Sundays, Costco gas in St. Charles is open 6 AM–7:30 PM.
Do I need a membership to buy Costco gas in St. Charles?
Yes. An active Costco membership is required at the pump.