Cheapest Gas in Montana
Every Montana metro AAA tracks, ranked from the lowest regular price up, observed Oct 20, 2026. The lowest published metro average is $4.42/gal in Billings.
Cheapest metroBillings$4.42/gal regular
| # | Metro | Regular | Diesel |
|---|---|---|---|
| 1 | Billings | $4.42 | $6.16 |
| 2 | Great Falls | $4.46 | $6.23 |
| 3 | Missoula | $4.49 | $6.14 |