Cheapest Gas in Idaho
Every Idaho metro AAA tracks, ranked from the lowest regular price up, updated 7/21/26. The cheapest gas in Idaho right now is $4.04/gal in Coeur D'Alene.
Cheapest metroCoeur D'Alene$4.04/gal regular
| # | Metro | Regular | Diesel |
|---|---|---|---|
| 1 | Coeur D'Alene | $4.04 | $4.95 |
| 2 | Lewiston | $4.05 | $4.92 |
| 3 | Franklin | $4.10 | $5.02 |
| 4 | Idaho Falls | $4.11 | $4.86 |
| 5 | Twin Falls | $4.14 | $4.97 |
| 6 | Pocatello | $4.15 | $4.91 |
| 7 | Boise City | $4.16 | $4.96 |