Costco Gas Prices in Saint Louis, MO
2 Costco fuel centers in Saint Louis · 0 of 2 sell diesel
Saint Louis Avg Regular
$3.774
per gallon
Saint Louis Avg Premium
$4.419
per gallon
Saint Louis Avg Diesel
Not sold at any station in Saint Louis
Saint Louis regular is$0.070belowthe Missouri average ($3.844)
vs U.S. average$0.652below($4.426)
Premium runs$0.645above regular on average
Saint Louis, Missouri has 2 Costco fuel centers serving members in the area. Across Saint Louis, regular gas averages $3.774 and premium runs about $0.645 higher at $4.419. That's about $0.070 below the Missouri statewide average of $3.844. Within Saint Louis, Costco S St Louis posts the lowest regular at $3.689 and University City the highest at $3.859 — a $0.170 spread worth checking before you fuel up. Across Saint Louis, regular pump prices have eased about $0.175 over the past month, from $3.949 a month ago. Premium has eased about $0.130 over the same period. None of the Saint Louis Costco fuel centers currently sell diesel.