Cheapest Gas in Wyoming
Every Wyoming metro AAA tracks, ranked from the lowest regular price up, updated 7/22/26. The cheapest gas in Wyoming right now is $3.95/gal in Casper.
Cheapest metroCasper$3.95/gal regular
| # | Metro | Regular | Diesel |
|---|---|---|---|
| 1 | Casper | $3.95 | $4.71 |
| 2 | Cheyenne | $3.98 | $4.87 |