Casper Average Gas Price
| Regular | Mid-Grade | Premium | Diesel | E85 | |
|---|---|---|---|---|---|
| Week Ago Avg. | $2.79 | $3.09 | $3.44 | $3.41 | - |
| Month Ago Avg. | $2.79 | $3.09 | $3.44 | $3.41 | - |
Highest Recorded Average Gas Price In Casper Year to Date
| Price | Date | |
|---|---|---|
| Regular | $2.79 | 01/06/26 |
| Diesel | $3.41 | 03/21/26 |
Top 10 Gas Stations & Cheap Fuel Prices in Casper
Loaf 'N Jug in Casper (3597 Salt Creek Hwy)
3597 Salt Creek Hwy, Casper, Wyoming,
$2.98
Apr 01, 2026
0¢ Cashback
Loaf 'N Jug in Casper (3830 E 2nd St)
3830 E 2nd St, Casper, Wyoming,
$2.98
Apr 01, 2026
0¢ Cashback
Loaf 'N Jug in Casper (285 Honeysuckle St)
285 Honeysuckle St, Casper, Wyoming,
$3.00
Apr 01, 2026
0¢ Cashback
Shell in Casper (3930 Denis Dr)
3930 Denis Dr, Casper, Wyoming,
$3.04
Apr 01, 2026
3¢ Cashback
Smith's in Casper (2400 Cy Ave)
2400 Cy Ave, Casper, Wyoming,
$3.04
Apr 01, 2026
0¢ Cashback
Flying J in Casper (41 Wyoming Blvd SE)
41 Wyoming Blvd SE, Casper, Wyoming,
$3.07
Apr 01, 2026
0¢ Cashback
Sinclair in Casper (3476 E 2nd St)
3476 E 2nd St, Casper, Wyoming,
$3.13
Apr 01, 2026
0¢ Cashback
Sinclair in Casper (902 E 2nd St)
902 E 2nd St, Casper, Wyoming,
$3.13
Apr 01, 2026
0¢ Cashback
Conoco in Casper (706 N Center St)
706 N Center St, Casper, Wyoming,
$3.41
Apr 01, 2026
0¢ Cashback
Exxon in Casper (632 N Poplar St)
632 N Poplar St, Casper, Wyoming,
$3.45
Apr 01, 2026
0¢ Cashback
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Gas Data Methodology
The fuel prices published in this guide are based on the results of research completed by Way.com’s data team. Using a mix of external and internal data, we analyzed millions of prices across U.S. ZIP codes and globally.