Latest available Costco gas prices for Saint Louis.
Current Gas Prices:
- Regular: $3.699
- Premium: $4.299
Last successful update: September 3, 2026 9:57 am GMT+0000.
Location
Address: 4200 RUSTY RD, Saint Louis, Missouri 63128-1973
Phone: (314) 894-7950
Opening Hours
Gas Station:
Mon-Fri: 6:00 AM – 10:00 PM
Warehouse:
Mon-Fri: 10:00 AM – 8:30 PM
FAQ About Saint Louis, Missouri
When is a quieter time to fuel up at Costco gas stations in Saint Louis?
Early weekday mornings, especially before 7 AM, tend to be less busy at Saint Louis Costco gas stations. Choosing these times can help you avoid long lines and get in and out faster.
How can I plan my fueling trip to avoid rush hour traffic in Saint Louis?
Try to schedule your Costco gas visits outside of peak commute times, typically 7-9 AM and 4-6 PM on weekdays. This helps minimize time spent both in traffic and waiting in line at the pumps.
What’s a good way to combine a family errand run with fueling up at Costco in Saint Louis?
Plan your Costco gas stop alongside your grocery shopping or other errands at the Costco warehouse. This reduces extra trips and makes your family outing more efficient by handling multiple tasks in one location.
How should I prepare for potential weather-related delays when planning to fuel at Costco in Saint Louis?
During winter storms or heavy rain, gas stations can experience slower service. Check the weather forecast and consider fueling earlier than usual to avoid last-minute rushes caused by bad weather.
Is there a good backup time to fuel at Costco in Saint Louis if my usual slot is too busy?
Late evenings, around 8-9 PM, often see fewer customers at Saint Louis Costco gas stations. Keeping this backup window in mind can save you time when daytime hours get crowded.
How can I group my stops in Saint Louis to reduce repeated cross-town driving for Costco gas?
Plan your route by combining your Costco gas visit with other errands or appointments in one area of the city. This approach helps avoid unnecessary back-and-forth driving across Saint Louis, saving time and fuel.