Chicago · week of September 21, 2026
Gas prices in Chicago
For drivers in Chicago, a gallon of regular averaged $4.88 in the week of September 21, 2026. Prices moved +45.9¢ over seven days and sit +40.1¢ relative to the country overall.
weekly average
$4.879
EIA city survey
$4.879weekly average
+45.9¢change in a week
+$1.41change in a year
$4.386Midwest
Regular gas, weekly average · Chicago
September 30, 2024: $3.675 · September 21, 2026: $4.879 · min $2.909 · max $4.997