Average Gas Prices in Montana Haven’t Increased in 14 Weeks

Missoula, MT (KGVO-AM News) - Average gas prices in Montana have increased in 25 out of 49 weeks, but haven’t increased since September 2, 2025. Patrick De Haan is the head of petroleum analysis at GasBuddy, and he provided the current numbers for this week.       

“Average gasoline prices in Montana are unchanged in the last week, averaging $2.95 per gallon today,” De Haan said. “Prices in Montana are 2.1 cents per gallon lower than a month ago and stand 11.6 cents per gallon higher than a year ago."

As of Monday morning, most stations in Missoula had their prices set to $2.95 per gallon.       

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According to GasBuddy price reports, the cheapest station in Montana was priced at $2.69 per gallon yesterday, while the most expensive was $3.39 per gallon.              

Montana is currently ranked 21st in the U.S. when it comes to the average price of gas, which is two spots higher than last week.                    

"The national average price of gasoline has fallen 5.0 cents per gallon in the last week, averaging $2.90 per gallon today, which is the lowest level since May 2021,” De Haan said. “The national average is down 17.6 cents per gallon from a month ago and stands 7.3 cents per gallon lower than a year ago. The national average price of diesel has decreased 5.1 cents compared to a week ago and stands at $3.67 per gallon.”              

READ MORE: How Missoula's Gas Prices Compare To National Averages

De Haan said gas prices continued to decline in most states last week, while some price cycling states saw temporary spikes to restore margins. 

“With the national average falling further, we're now at multi-year lows heading into Christmas,” De Haan said. “Diesel prices are also easing, and in the cheapest cities, averages have dipped into the low-$2 range—with a few stations still offering gas under $2 per gallon. Barring any major disruptions, prices are likely to stay relatively low into the new year.”