Cheapest Gas in Idaho
Every Idaho metro AAA tracks, ranked from the lowest regular price up, observed Oct 20, 2026. The lowest published metro average is $4.46/gal in Coeur D'Alene.
Cheapest metroCoeur D'Alene$4.46/gal regular
| # | Metro | Regular | Diesel |
|---|---|---|---|
| 1 | Coeur D'Alene | $4.46 | $6.52 |
| 2 | Lewiston | $4.49 | $6.47 |
| 3 | Franklin | $4.77 | $6.40 |
| 4 | Idaho Falls | $4.79 | $6.37 |
| 5 | Twin Falls | $4.81 | $6.40 |
| 6 | Pocatello | $4.84 | $6.40 |
| 7 | Boise City | $4.84 | $6.41 |