Costco Gas Prices

Costco gas stations in Illinois

26 Costco fuel stations across 22 cities. US prices are shown in US dollars per gallon.

Illinois state average (Nov 5)

Regular
$4.643
Premium
$5.826
Diesel
$6.610

All-station averages published by AAA in US dollars per gallon. Regular is $0.021 lower than about 30 days earlier.

Cities

All Illinois Costco stations