Chicago Gas Prices
Average price per gallon in the Chicago metro (AAA’s Chicago Metro area), observed Sep 7, 2026 by AAA. Regular is currently $4.43/gal — $0.15 above the Illinois average of $4.29, and $0.28 above the U.S. average of $4.15. That ranks #15 of 17 Illinois metros, cheapest first.
Regular
$4.43
Mid-grade
$5.03
Premium
$5.61
Diesel
$5.91
Regular, change:▼ −$0.01 Daily change▲ +$0.05 wk▲ +$0.08 mo
Regular — recent trend (94 days)
$4.66$4.04
Jun 6, 2026Sep 7, 2026
Cheaper elsewhere in Illinois?
The cheapest Illinois metros right now, from the same AAA data — the lowest is $0.46 under Chicago.
| Metro | Regular | vs Chicago |
|---|---|---|
| Decatur | $3.98 | −0.46 |
| Springfield | $4.05 | −0.38 |
| Danville | $4.12 | −0.32 |
| Kankakee-Bradley | $4.12 | −0.31 |
| Bloomington-Normal | $4.13 | −0.31 |
| Champaign-Urbana | $4.15 | −0.29 |