Fairfield Average Gas Price
| Regular | Mid-Grade | Premium | Diesel | E85 | |
|---|---|---|---|---|---|
| Week Ago Avg. | $4.22 | $4.42 | - | $5.09 | - |
| Month Ago Avg. | $4.22 | $4.42 | - | $5.09 | - |
Highest Recorded Average Gas Price In Fairfield Year to Date
| Price | Date | |
|---|---|---|
| Diesel | $5.09 | 06/15/26 |
| Regular | $4.22 | 06/15/26 |
Top 10 Gas Stations & Cheap Fuel Prices in Fairfield
Cenex in Fairfield (306 Central Ave)
306 Central Ave, Fairfield, Montana,
$4.42
Jul 18, 2026
0¢ Cashback
Cenex in Fairfield (306 Central Ave)
306 Central AveFairfieldMontana59436USA
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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.