Cheapest Gas in Montana
Every Montana metro AAA tracks, ranked from the lowest regular price up, updated 9/4/26. The cheapest gas in Montana right now is $4.34/gal in Billings.
Cheapest metroBillings$4.34/gal regular
| # | Metro | Regular | Diesel |
|---|---|---|---|
| 1 | Billings | $4.34 | $5.52 |
| 2 | Missoula | $4.37 | $5.61 |
| 3 | Great Falls | $4.40 | $5.76 |