Gas prices in Great Falls
Gas prices in Great FallsDaily metro average from AAA (2026-07-28), per gallon including taxes, for the Great Falls area of Montana.
Regular
$4.30
per gallon · €1.00/L
Midgrade
$4.60
per gallon · €1.07/L
Premium
$4.93
per gallon · €1.14/L
Diesel
$5.03
per gallon · €1.17/L
▲ 3.8% vs last week ($4.14)▲ 32.0% vs a year ago ($3.26)
Nearest Montana metros on price
The metros immediately either side of Great Falls in Montana, so you can see whether paying $4.30 here is normal or not.
All Montana gas prices →
State average, trend, station map and calculators.
Gas prices near me →
Your own area's price and a live map of the stations around you.
Frequently asked questions
How much is gas in Great Falls right now?
Regular gasoline averages $4.30 per gallon across Great Falls today (AAA metro average, 2026-07-28). Midgrade is $4.60, premium $4.93 and diesel $5.03.
Is gas cheaper in Great Falls than the rest of Montana?
A Montana state comparison is unavailable today.
Where does Great Falls rank in Montana?
Great Falls is the 3rd cheapest of 3 Montana metros AAA tracks.
Are gas prices in Great Falls higher than a year ago?
Yes — regular is 32.0% higher than this time last year ($3.26/gal then, $4.30 now).