Helena Average Gas Price
| Regular | Mid-Grade | Premium | Diesel | E85 | |
|---|---|---|---|---|---|
| Week Ago Avg. | $4.19 | $4.45 | $4.77 | $4.88 | - |
| Month Ago Avg. | $3.68 | $3.92 | $4.28 | $4.23 | - |
Highest Recorded Average Gas Price In Helena Year to Date
| Price | Date | |
|---|---|---|
| Diesel | $4.88 | 06/15/26 |
| Regular | $4.19 | 06/15/26 |
Top 10 Gas Stations & Cheap Fuel Prices in Helena
Exxon in Helena (3161 N Sanders St)
3161 N Sanders St, Helena, Montana,
$4.45
Jul 01, 2026
0¢ Cashback
Conoco in Helena (1822 E Custer Ave)
1822 E Custer Ave, Helena, Montana,
$4.45
Jul 01, 2026
0¢ Cashback
Conoco in Helena (2900 N Montana Ave)
2900 N Montana Ave, Helena, Montana,
$4.49
Jul 01, 2026
0¢ Cashback
Exxon in Helena (1202 Prospect Ave )
1202 Prospect Ave, Helena, Montana,
$4.49
Jul 01, 2026
0¢ Cashback
Exxon in Helena (1140 Euclid Ave)
1140 Euclid Ave, Helena, Montana,
$4.49
Jul 01, 2026
0¢ Cashback
Cenex in Helena (720 West Custer Ave)
720 West Custer Ave, Helena, Montana,
$4.49
Jul 01, 2026
0¢ Cashback
Sinclair in Helena ( 1831 11th St)
1831 11th St, Helena, Montana,
$4.49
Jul 01, 2026
0¢ Cashback
Holiday in Helena (401 Euclid Ave)
401 Euclid Ave, Helena, Montana,
$4.55
Jul 01, 2026
0¢ Cashback
Montana Refining Company in Helena (3300 Green Meadow Dr)
3300 Green Meadow Dr, Helena, Montana,
$4.59
Jul 01, 2026
0¢ Cashback
Conoco in Helena (1405 Euclid Ave)
1405 Euclid Ave, Helena, Montana,
$4.59
Jul 01, 2026
0¢ Cashback
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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.