Costco Gas Prices in Chicago, IL
2 Costco fuel centers in Chicago · 0 of 2 sell diesel
Chicago Avg Regular
$4.444
per gallon
Chicago Avg Premium
$5.544
per gallon
Chicago Avg Diesel
Not sold at any station in Chicago
Chicago regular is$0.365abovethe Illinois average ($4.079)
vs U.S. average$0.254above($4.190)
Premium runs$1.100above regular on average
Chicago, Illinois has 2 Costco fuel centers serving members in the area. Across Chicago, regular gas averages $4.444 and premium runs about $1.100 higher at $5.544. That's about $0.365 above the Illinois statewide average of $4.079. Within Chicago, Costco Chicago South Loop posts the lowest regular at $4.339 and Lincoln Park the highest at $4.549 — a $0.210 spread worth checking before you fuel up. Across Chicago, regular pump prices have held roughly flat over the past month. Premium has eased about $0.035 over the same period. None of the Chicago Costco fuel centers currently sell diesel.