St Charles Average Gas Price
| Regular | Mid-Grade | Premium | Diesel | E85 | |
|---|---|---|---|---|---|
| Week Ago Avg. | $4.67 | $5.2 | $5.61 | $4.95 | $4.54 |
| Month Ago Avg. | $4.6 | $4.99 | $5.51 | $4.9 | $4.19 |
Highest Recorded Average Gas Price In St Charles Year to Date
| Price | Date | |
|---|---|---|
| Diesel | $4.95 | 06/23/26 |
| Regular | $4.7 | 06/21/26 |
Top 10 Gas Stations & Cheap Fuel Prices in St Charles
BP in St Charles (1660 W MAIN ST)
1660 W MAIN ST, St Charles, Illinois,
$4.49
Jul 07, 2026
0¢ Cashback
BP in St Charles (1660 W MAIN ST)
1660 W MAIN STSt CharlesIllinois60174USA
7-Eleven in St Charles (51 S Randall Rd)
51 S Randall Rd, St Charles, Illinois,
$4.59
Jul 07, 2026
0¢ Cashback
7-Eleven in St Charles (51 S Randall Rd)
51 S Randall RdSt CharlesIllinois60174USA
BP in St Charles (1745 E Main St)
1745 E MAIN ST, St Charles, Illinois,
$4.69
Jul 07, 2026
0¢ Cashback
BP in St Charles (1745 E Main St)
1745 E MAIN STSt CharlesIllinois60174USA
Shell in St Charles (307 W Main St)
307 W Main St, St Charles, Illinois,
$4.69
Jul 07, 2026
3¢ Cashback
Shell in St Charles (307 W Main St)
307 W Main StSt CharlesIllinois60174USA
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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.