Idaho Gas Prices
Average price per gallon in Idaho, updated 9/5/26 from AAA. Regular is currently $4.63/gal — $0.48 above the national average of $4.15.
Regular
$4.63
Mid-grade
$4.91
Premium
$5.20
Diesel
$5.80
Regular, change:▲ +$0.01 today▲ +$0.06 wk▲ +$0.27 mo
Regular — recent trend (92 days)
$4.63$4.00
Cheapest metros in Idaho
| Metro | Regular | Diesel |
|---|---|---|
| Franklin | $4.41 | $5.63 |
| Idaho Falls | $4.55 | $5.64 |
| Pocatello | $4.60 | $5.69 |
| Boise City | $4.61 | $5.70 |
| Twin Falls | $4.62 | $5.70 |
| Coeur D'Alene | $4.63 | $6.15 |