Costco Gas Prices in Saint Charles, IL
1 Costco fuel center in Saint Charles · 0 of 1 sell diesel
Saint Charles Avg Regular
$3.999
per gallon
Saint Charles Avg Premium
$4.999
per gallon
Saint Charles Avg Diesel
Not sold at any station in Saint Charles
Saint Charles regular is$0.080belowthe Illinois average ($4.079)
vs U.S. average$0.191below($4.190)
Premium runs$1.000above regular on average
Saint Charles, Illinois has 1 Costco fuel center serving members in the area. Across Saint Charles, regular gas averages $3.999 and premium runs about $1.000 higher at $4.999. That's about $0.080 below the Illinois statewide average of $4.079. Across Saint Charles, regular pump prices have eased about $0.200 over the past month, from $4.199 a month ago. Premium has eased about $0.180 over the same period. None of the Saint Charles Costco fuel centers currently sell diesel.