Gas prices in Casper, WY
Gas prices in Casper, WYDaily metro average from AAA (2026-10-26), per gallon including taxes, for AAA’s Casper metro area in Wyoming.
Regular
$4.12
per gallon · €0.97/L
Midgrade
$4.42
per gallon · €1.04/L
Premium
$4.74
per gallon · €1.12/L
Diesel
$6.29
per gallon · €1.49/L
down vs last week 1.4% vs last week ($4.17) up vs a year ago 55.9% vs a year ago ($2.64)
Nearest Wyoming metros on price
The metros immediately either side of Casper in Wyoming, so you can see whether paying $4.12 here is normal or not.
| Metro | Regular | vs Casper |
|---|---|---|
| Cheyenne, WY | $4.10 | −$0.01 |
| Casper, WY | $4.12 | — |
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Tools for drivers in Casper
Frequently asked questions
How much is gas in Casper right now?
Regular gasoline averages $4.12 per gallon across Casper, WY today (AAA metro average, 2026-10-26). Midgrade is $4.42, premium $4.74 and diesel $6.29.
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 55.9% higher than this time last year ($2.64/gal then, $4.12 now).