Gas prices in Casper
Gas prices in CasperDaily metro average from AAA (2026-07-28), per gallon including taxes, for the Casper area of Wyoming.
Regular
$3.98
per gallon · €0.92/L
Midgrade
$4.29
per gallon · €1.00/L
Premium
$4.55
per gallon · €1.05/L
Diesel
$4.88
per gallon · €1.13/L
▲ 2.3% vs last week ($3.89)▲ 47.3% vs a year ago ($2.71)
Nearest Wyoming metros on price
The metros immediately either side of Casper in Wyoming, so you can see whether paying $3.98 here is normal or not.
| Metro | Regular | vs Casper |
|---|---|---|
| Cheyenne | $3.84 | −$0.14 |
| Casper | $3.98 | — |
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Frequently asked questions
How much is gas in Casper right now?
Regular gasoline averages $3.98 per gallon across Casper today (AAA metro average, 2026-07-28). Midgrade is $4.29, premium $4.55 and diesel $4.88.
Is gas cheaper in Casper than the rest of Wyoming?
A Wyoming state comparison is unavailable today.
Where does Casper rank in Wyoming?
Casper is the 2nd cheapest of 2 Wyoming metros AAA tracks.
Are gas prices in Casper higher than a year ago?
Yes — regular is 47.3% higher than this time last year ($2.71/gal then, $3.98 now).