Costco Gas Prices in San Antonio, TX
2 Costco fuel centers in San Antonio · 0 of 2 sell diesel
San Antonio Avg Regular
$3.669
per gallon
San Antonio Avg Premium
$4.344
per gallon
San Antonio Avg Diesel
Not sold at any station in San Antonio
San Antonio regular is$0.148abovethe Texas average ($3.521)
vs U.S. average$0.757below($4.426)
Premium runs$0.675above regular on average
San Antonio, Texas has 2 Costco fuel centers serving members in the area. Across San Antonio, regular gas averages $3.669 and premium runs about $0.675 higher at $4.344. That's about $0.148 above the Texas statewide average of $3.521. Within San Antonio, Costco W San Antonio posts the lowest regular at $3.599 and NW San Antonio the highest at $3.739 — a $0.140 spread worth checking before you fuel up. Across San Antonio, regular pump prices have eased about $0.030 over the past month, from $3.699 a month ago. Premium has climbed about $0.045 over the same period. None of the San Antonio Costco fuel centers currently sell diesel.