Costco Gas Prices in Saint Charles, IL
1 Costco fuel center in Saint Charles · 0 of 1 sell diesel
Saint Charles Avg Regular
$4.629
per gallon
Saint Charles Avg Premium
$5.739
per gallon
Saint Charles Avg Diesel
Not sold at any station in Saint Charles
Saint Charles regular is$0.025abovethe Illinois average ($4.604)
vs U.S. average$0.203above($4.426)
Premium runs$1.110above regular on average
Saint Charles, Illinois has 1 Costco fuel center serving members in the area. Across Saint Charles, regular gas averages $4.629 and premium runs about $1.110 higher at $5.739. That's about $0.025 above the Illinois statewide average of $4.604. Across Saint Charles, regular pump prices have eased about $0.270 over the past month, from $4.899 a month ago. Premium has eased about $0.120 over the same period. None of the Saint Charles Costco fuel centers currently sell diesel.