St Charles Average Gas Price
| Regular | Mid-Grade | Premium | Diesel | E85 | |
|---|---|---|---|---|---|
| Week Ago Avg. | $3.74 | $3.79 | $4.53 | $4.94 | - |
| Month Ago Avg. | $3.44 | $3.36 | $3.69 | $4.11 | - |
Highest Recorded Average Gas Price In St Charles Year to Date
| Price | Date | |
|---|---|---|
| Diesel | $4.94 | 06/15/26 |
| Regular | $3.74 | 06/15/26 |
Top 10 Gas Stations & Cheap Fuel Prices in St Charles
Sinclair in St Charles (2850 Whitewater Ave)
2850 Whitewater Ave, St Charles, Minnesota,
$4.04
Jul 12, 2026
0¢ Cashback
Sinclair in St Charles (2850 Whitewater Ave)
2850 Whitewater AveSt CharlesMinnesota55972USA
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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.