Costco Gas Prices in Saint George, UT
1 Costco fuel center in Saint George · all 1 sell diesel
Saint George Avg Regular
$3.899
per gallon
Saint George Avg Premium
$4.459
per gallon
Saint George Avg Diesel
$4.359
per gallon
Saint George regular is$0.38abovethe Utah average ($3.517)
vs U.S. average$0.07above($3.826)
Premium runs$0.56above regular on average
Saint George, Utah has 1 Costco fuel center serving members in the area. Across Saint George, regular gas averages $3.899, premium runs about $0.56 higher at $4.459, and diesel sits at $4.359. That's about $0.38 above the Utah statewide average of $3.517. Across Saint George, regular pump prices have eased about $0.46 over the past month, from $4.359 a month ago. Premium has eased about $0.50 and diesel has eased about $0.70 over the same period.