Costco Gas Prices in Saint Charles, IL
1 Costco fuel center in Saint Charles · 0 of 1 sell diesel
Saint Charles Avg Regular
$3.799
per gallon
Saint Charles Avg Premium
$4.599
per gallon
Saint Charles Avg Diesel
Not sold at any station in Saint Charles
Saint Charles regular is$0.05abovethe Illinois average ($3.744)
vs U.S. average$0.02below($3.823)
Premium runs$0.80above regular on average
Saint Charles, Illinois has 1 Costco fuel center serving members in the area. Across Saint Charles, regular gas averages $3.799 and premium runs about $0.80 higher at $4.599. That's about $0.05 above the Illinois statewide average of $3.744. Across Saint Charles, regular pump prices have eased about $0.60 over the past month, from $4.399 a month ago. Premium has eased about $0.66 over the same period. None of the Saint Charles Costco fuel centers currently sell diesel.