Gas prices have remained unchanged over the past week in Montana.
Gasbuddy.com reports the average price for a gallon of gas is $2.99 as of Monday, Nov. 17, 2025.
Gas prices in Montana are 5.3¢ per gallon lower than a month ago and stand 1.1¢ per gallon higher than a year ago.
The national average has fallen 0.4¢ over the past week to $3.03 per gallon as of Monday.
Nationally, gas prices are 1.1¢ per gallon higher than a month ago and also 1.1¢ higher than a year ago.
The cheapest gas in Montana was $2.79 per gallon on Sunday, while the most expensive was $4.33.
