State
1,300 stations
LiveUpdated May 21
Gas prices in Montana
Average today
$4.59/gal
Versus national
+0.26vs $4.33 US avg
above the national average
Major cities in Montana
About gas prices in Montana
Montana refines fuel locally at three in-state refineries: the Phillips 66 Billings, Calumet Great Falls, and Cenex Laurel facilities, with combined capacity around 200,000 barrels per day. The state is essentially self-sufficient most of the year. The state gas tax is around 33 cents per gallon. Billings, Missoula, and Great Falls all see relatively competitive pricing. Costco, Sam's Club, Town Pump, and Albertsons grocery fuel are the dependable value picks across Billings, Missoula, and Great Falls. Western Montana near the Idaho border occasionally tracks Idaho pricing during refinery maintenance windows, while eastern Montana near North Dakota benefits from Bakken-region pipeline access.
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Montana drivers pay 26¢/gal more than the US average.
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Montana drivers pay 26¢/gal more than the US average.
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