Costco Gas Prices in St. George, UT
1 Costco fuel center in St. George · all 1 sell diesel
St. George Avg Regular
$4.699
per gallon
St. George Avg Premium
$5.199
per gallon
St. George Avg Diesel
$5.999
per gallon
St. George regular is$0.171abovethe Utah average ($4.528)
vs U.S. average$0.273above($4.426)
Premium runs$0.500above regular on average
St. George, Utah has 1 Costco fuel center serving members in the area. Across St. George, regular gas averages $4.699, premium runs about $0.500 higher at $5.199, and diesel sits at $5.999. That's about $0.171 above the Utah statewide average of $4.528. Across St. George, regular pump prices have eased about $0.060 over the past month, from $4.759 a month ago. Premium has eased about $0.070 and diesel has eased about $0.200 over the same period.