Costco Gas Prices in St. George, UT
1 Costco fuel center in St. George · all 1 sell diesel
St. George Avg Regular
$4.499
per gallon
St. George Avg Premium
$4.899
per gallon
St. George Avg Diesel
$5.499
per gallon
St. George regular is$0.18abovethe Utah average ($4.315)
vs U.S. average$0.12below($4.622)
Premium runs$0.40above regular on average
St. George, Utah has 1 Costco fuel center serving members in the area. Across St. George, regular gas averages $4.499, premium runs about $0.40 higher at $4.899, and diesel sits at $5.499. That's about $0.18 above the Utah statewide average of $4.315. Across St. George, regular pump prices have climbed about $0.20 over the past two weeks, from $4.299 two weeks ago. Premium has climbed about $0.20 and diesel has climbed about $0.10 over the same period.