Costco Gas Prices in St. Louis, MO
1 Costco fuel center in St. Louis · 0 of 1 sell diesel
St. Louis Avg Regular
$3.859
per gallon
St. Louis Avg Premium
$4.499
per gallon
St. Louis Avg Diesel
Not sold at any station in St. Louis
St. Louis regular is$0.015abovethe Missouri average ($3.844)
vs U.S. average$0.567below($4.426)
Premium runs$0.640above regular on average
St. Louis, Missouri has 1 Costco fuel center serving members in the area. Across St. Louis, regular gas averages $3.859 and premium runs about $0.640 higher at $4.499. That's about $0.015 above the Missouri statewide average of $3.844. Across St. Louis, regular pump prices have held roughly flat over the past month. Premium has eased about $0.100 over the same period. None of the St. Louis Costco fuel centers currently sell diesel.