MISSOULA - Gas prices have dropped 4.8¢ over the last week in Montana.
Gasbuddy.com reports the average price for a gallon of gas was at $3.14 as of Monday, September 29, 2025.
Prices in Montana are 7.9¢ per gallon lower than a month ago and stand 11.7¢ per gallon lower than a year ago.
The national average has fallen 5.8¢ over the past week to $3.08 per gallon as of Monday.
The national average is down 11.1¢ per gallon from a month ago and stands 9¢ lower than a year ago.
The cheapest gas in Montana was $2.88 per gallon on Sunday, while the most expensive was $4.19.
 
         
    
        