Costco Gas Prices in San Antonio, TX
2 Costco fuel centers in San Antonio · 0 of 2 sell diesel
San Antonio Avg Regular
$3.049
per gallon
San Antonio Avg Premium
$3.709
per gallon
San Antonio Avg Diesel
Not sold at any station in San Antonio
San Antonio regular is$0.02belowthe Texas average ($3.070)
vs U.S. average$0.78below($3.826)
Premium runs$0.66above regular on average
San Antonio, Texas has 2 Costco fuel centers serving members in the area. Across San Antonio, regular gas averages $3.049 and premium runs about $0.66 higher at $3.709. That's about $0.02 below the Texas statewide average of $3.070. Within San Antonio, Costco W San Antonio posts the lowest regular at $2.999 and NW San Antonio the highest at $3.099 — a $0.10 spread worth checking before you fuel up. Across San Antonio, regular pump prices have eased about $0.25 over the past month, from $3.299 a month ago. Premium has eased about $0.19 over the same period. None of the San Antonio Costco fuel centers currently sell diesel.