MISSOULA — Gas prices edged up over the past week in the Treasure State.
GasBuddy.com reports that average gasoline prices in Montana have risen 1.1¢ per gallon over the last week and are at $3.17 per gallon as of Monday, May 19, 2025.
Gas prices are 3¢ higher than a month ago and are 27.6¢ per gallon lower than a year ago.
The national average price of gas has risen 6.1¢ over the last week and are at $3.14 per gallon, which is 1.9¢ higher than a month ago.
GasBuddy.com reports the cheapest gas in Montana was $2.85 per gallon on Sunday, while the most expensive was $3.79 per gallon.
