Chinook Average Gas Price
| Regular | Mid-Grade | Premium | Diesel | E85 | |
|---|---|---|---|---|---|
| Week Ago Avg. | $3.22 | $3.53 | $3.85 | $3.54 | - |
| Month Ago Avg. | $3.22 | $3.53 | $3.85 | $3.54 | - |
Highest Recorded Average Gas Price In Chinook Year to Date
| Price | Date | |
|---|---|---|
| Diesel | $3.54 | 01/02/26 |
| Regular | $3.22 | 01/01/26 |
Top 10 Gas Stations & Cheap Fuel Prices in Chinook
Exxon in Chinook (108 New York St )
108 New York St , Chinook, Montana,
$3.48
Jan 21, 2026
0¢ Cashback
Exxon in Chinook (108 New York St )
108 New York St ChinookMontana59523USA
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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.