Cheapest Gas in Idaho
Every Idaho metro AAA tracks, ranked from the lowest regular price up, updated 9/4/26. The cheapest gas in Idaho right now is $4.41/gal in Franklin.
Cheapest metroFranklin$4.41/gal regular
| # | Metro | Regular | Diesel |
|---|---|---|---|
| 1 | Franklin | $4.41 | $5.58 |
| 2 | Idaho Falls | $4.53 | $5.63 |
| 3 | Pocatello | $4.58 | $5.66 |
| 4 | Boise City | $4.60 | $5.69 |
| 5 | Twin Falls | $4.62 | $5.64 |
| 6 | Coeur D'Alene | $4.64 | $6.09 |
| 7 | Lewiston | $4.70 | $6.06 |