Cheapest Gas in Illinois
Every Illinois metro AAA tracks, ranked from the lowest regular price up, observed Oct 20, 2026. The lowest published metro average is $4.42/gal in Bloomington-Normal.
Cheapest metroBloomington-Normal$4.42/gal regular
| # | Metro | Regular | Diesel |
|---|---|---|---|
| 1 | Bloomington-Normal | $4.42 | $6.55 |
| 2 | Springfield | $4.42 | $6.41 |
| 3 | Danville | $4.43 | $6.41 |
| 4 | Decatur | $4.44 | $6.46 |
| 5 | East Saint Louis | $4.44 | $6.52 |
| 6 | Carbondale-Marion | $4.48 | $6.49 |
| 7 | Champaign-Urbana | $4.48 | $6.42 |
| 8 | Kankakee-Bradley | $4.50 | $6.56 |
| 9 | Quincy | $4.51 | $6.37 |
| 10 | Rockford | $4.63 | $6.47 |
| 11 | Peoria-Pekin | $4.64 | $6.60 |
| 12 | Lake County | $4.64 | $6.53 |
| 13 | Davenport-Moline-Rock Island (IL only) | $4.68 | $6.59 |
| 14 | Elgin | $4.70 | $6.57 |
| 15 | Alexander County | $4.80 | — |
| 16 | Chicago Metro | $4.81 | $6.62 |
| 17 | City of Chicago | $5.04 | $6.86 |