Costco Gas Prices in Saint Charles, IL
1 Costco fuel center in Saint Charles · 0 of 1 sell diesel
Saint Charles Avg Regular
$4.729
per gallon
Saint Charles Avg Premium
$5.499
per gallon
Saint Charles Avg Diesel
Not sold at any station in Saint Charles
Saint Charles regular is$0.07belowthe Illinois average ($4.799)
vs U.S. average$0.11above($4.622)
Premium runs$0.77above regular on average
Saint Charles, Illinois has 1 Costco fuel center serving members in the area. Across Saint Charles, regular gas averages $4.729 and premium runs about $0.77 higher at $5.499. That's about $0.07 below the Illinois statewide average of $4.799. Across Saint Charles, regular pump prices have climbed about $0.43 over the past two weeks, from $4.299 two weeks ago. Premium has climbed about $0.40 over the same period. None of the Saint Charles Costco fuel centers currently sell diesel.