Cheapest Gas in Wyoming
Every Wyoming metro AAA tracks, ranked from the lowest regular price up, observed Oct 20, 2026. The lowest published metro average is $4.18/gal in Casper.
Cheapest metroCasper$4.18/gal regular
| # | Metro | Regular | Diesel |
|---|---|---|---|
| 1 | Casper | $4.18 | $6.26 |
| 2 | Cheyenne | $4.23 | $6.32 |