Gas prices in Idaho Falls
Gas prices in Idaho FallsDaily metro average from AAA (2026-07-28), per gallon including taxes, for the Idaho Falls area of Idaho.
Regular
$4.26
per gallon · €0.99/L
Midgrade
$4.56
per gallon · €1.06/L
Premium
$4.89
per gallon · €1.13/L
Diesel
$5.19
per gallon · €1.20/L
▲ 3.7% vs last week ($4.11)▲ 25.2% vs a year ago ($3.40)
Nearest Idaho metros on price
The metros immediately either side of Idaho Falls in Idaho, so you can see whether paying $4.26 here is normal or not.
| Metro | Regular | vs Idaho Falls |
|---|---|---|
| Coeur D'Alene | $4.16 | −$0.10 |
| Lewiston | $4.17 | −$0.09 |
| Franklin | $4.24 | −$0.01 |
| Idaho Falls | $4.26 | — |
| Pocatello | $4.28 | +$0.02 |
| Twin Falls | $4.28 | +$0.02 |
| Boise City | $4.28 | +$0.02 |
All Idaho gas prices →
State average, trend, station map and calculators.
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Frequently asked questions
How much is gas in Idaho Falls right now?
Regular gasoline averages $4.26 per gallon across Idaho Falls today (AAA metro average, 2026-07-28). Midgrade is $4.56, premium $4.89 and diesel $5.19.
Is gas cheaper in Idaho Falls than the rest of Idaho?
A Idaho state comparison is unavailable today.
Where does Idaho Falls rank in Idaho?
Idaho Falls is the 4th cheapest of 7 Idaho metros AAA tracks.
Are gas prices in Idaho Falls higher than a year ago?
Yes — regular is 25.2% higher than this time last year ($3.40/gal then, $4.26 now).