Costco Gas Prices in Saint Louis, MO
2 Costco fuel centers in Saint Louis · 0 of 2 sell diesel
Saint Louis Avg Regular
$3.689
per gallon
Saint Louis Avg Premium
$4.299
per gallon
Saint Louis Avg Diesel
Not sold at any station in Saint Louis
Saint Louis regular is$0.089abovethe Missouri average ($3.600)
vs U.S. average$0.501below($4.190)
Premium runs$0.610above regular on average
Saint Louis, Missouri has 2 Costco fuel centers serving members in the area. Across Saint Louis, regular gas averages $3.689 and premium runs about $0.610 higher at $4.299. That's about $0.089 above the Missouri statewide average of $3.600. Within Saint Louis, Costco University City posts the lowest regular at $3.679 and S St Louis the highest at $3.699 — a $0.020 spread worth checking before you fuel up. Across Saint Louis, regular pump prices have eased about $0.030 over the past month, from $3.719 a month ago. Premium has eased about $0.095 over the same period. None of the Saint Louis Costco fuel centers currently sell diesel.