Illinois Average Gas Price
| Regular | Mid-Grade | Premium | Diesel | E85 | |
|---|---|---|---|---|---|
| Week Ago Avg. | $4.07 | $4.41 | $4.85 | $4.43 | $3.57 |
| Month Ago Avg. | $4.07 | $4.4 | $4.85 | $4.43 | $3.56 |
Top 10 Gas Stations & Cheap Fuel Prices in Illinois
Mr. Fuel in Litchfield ( 4 Corvette Dr)
4 Corvette Dr, Litchfield, Illinois,
$3.03
Sep 27, 2025
0¢ Cashback
Shell in Rochelle (452 Lake Lida Ln)
452 Lake Lida Ln, Rochelle, Illinois,
$3.26
Sep 27, 2025
3¢ Cashback
Casey's in Oglesby (100 N Columbia Ave)
100 N Columbia Ave, Oglesby, Illinois,
$3.26
Sep 27, 2025
0¢ Cashback
QuikTrip in Bethalto (605 W Bethalto Dr )
605 W Bethalto Dr, Bethalto, Illinois,
$3.27
Sep 27, 2025
0¢ Cashback
BP in Saint Anne (300 South Dixie Hwy)
300 South Dixie Hwy, Saint Anne, Illinois,
$3.27
Sep 27, 2025
0¢ Cashback
TA Travel Center in Effingham (1702 W Evergreen Ave)
1702 W Evergreen Ave, Effingham, Illinois,
$3.29
Sep 27, 2025
0¢ Cashback
Mobil in Palatine (20235 N Rand Rd)
20235 N Rand Rd, Palatine, Illinois,
$3.29
Sep 27, 2025
0¢ Cashback
Shell in Palatine (20190 N Rand Rd)
20190 N Rand Rd, Palatine, Illinois,
$3.29
Sep 27, 2025
3¢ Cashback
Phillips 66 in Pontoon Beach (3802 IL-111)
3802 IL-111, Pontoon Beach, Illinois,
$3.29
Sep 27, 2025
0¢ Cashback
BP in Kildeer (20915 N Quentin Rd)
20915 N Quentin Rd, Kildeer, Illinois,
$3.29
Sep 27, 2025
0¢ Cashback
Pricing Trends
Find Cheap Gas Prices In USA
Click on the state to view the State details
Gas Data Methodology
The fuel prices published in this guide are based on the results of research completed by Way.com’s data team. Using a mix of external and internal data, we analyzed millions of prices across U.S. ZIP codes and globally.