Costco Gas Prices in Saint Charles, IL
1 Costco fuel center in Saint Charles · 0 of 1 sell diesel
Saint Charles Avg Regular
$4.059
per gallon
Saint Charles Avg Premium
$5.099
per gallon
Saint Charles Avg Diesel
Not sold at any station in Saint Charles
Saint Charles regular is$0.14abovethe Illinois average ($3.915)
vs U.S. average$0.13above($3.933)
Premium runs$1.04above regular on average