Gas prices in Twin Falls
Gas prices in Twin FallsDaily metro average from AAA (2026-09-11), per gallon including taxes, for the Twin Falls area of Idaho.
Regular
$4.79
per gallon · €1.09/L
Midgrade
$5.07
per gallon · €1.15/L
Premium
$5.40
per gallon · €1.23/L
Diesel
$5.94
per gallon · €1.35/L
up vs last week 3.8% vs last week ($4.62) up vs a year ago 38.7% vs a year ago ($3.46)
Nearest Idaho metros on price
The metros immediately either side of Twin Falls in Idaho, so you can see whether paying $4.79 here is normal or not.
| Metro | Regular | vs Twin Falls |
|---|---|---|
| Franklin | $4.68 | −$0.11 |
| Lewiston | $4.69 | −$0.10 |
| Idaho Falls | $4.75 | −$0.04 |
| Pocatello | $4.76 | −$0.03 |
| Twin Falls | $4.79 | — |
| Boise City | $4.81 | +$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 Twin Falls right now?
Regular gasoline averages $4.79 per gallon across Twin Falls today (AAA metro average, 2026-09-11). Midgrade is $5.07, premium $5.40 and diesel $5.94.
Is gas cheaper in Twin Falls than the rest of Idaho?
A Idaho state comparison is unavailable today.
Where does Twin Falls rank in Idaho?
Twin Falls is the 6th cheapest of 7 Idaho metros AAA tracks.
Are gas prices in Twin Falls higher than a year ago?
Yes — regular is 38.7% higher than this time last year ($3.46/gal then, $4.79 now).