Costco Gas Prices in Saint Louis, MO
2 Costco fuel centers in Saint Louis · 0 of 2 sell diesel
Saint Louis Avg Regular
$3.299
per gallon
Saint Louis Avg Premium
$3.949
per gallon
Saint Louis Avg Diesel
Not sold at any station in Saint Louis
Saint Louis regular isin line withthe Missouri average ($3.299)
vs U.S. average$0.53below($3.826)
Premium runs$0.65above regular on average
Saint Louis, Missouri has 2 Costco fuel centers serving members in the area. Across Saint Louis, regular gas averages $3.299 and premium runs about $0.65 higher at $3.949. That sits roughly in line with the Missouri statewide average of $3.299. Within Saint Louis, Costco University City posts the lowest regular at $3.199 and S St Louis the highest at $3.399 — a $0.20 spread worth checking before you fuel up. Across Saint Louis, regular pump prices have eased about $0.36 over the past month, from $3.659 a month ago. Premium has eased about $0.33 over the same period. None of the Saint Louis Costco fuel centers currently sell diesel.