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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

Gas prices in Illinois · All cities · U.S. average