San Antonio Gas Prices
Average price per gallon in the San Antonio metro (AAA’s San Antonio area), observed Sep 7, 2026 by AAA. Regular is currently $3.68/gal — $0.01 above the Texas average of $3.67, and $0.47 below the U.S. average of $4.15. That ranks #13 of 27 Texas metros, cheapest first.
Regular
$3.68
Mid-grade
$4.15
Premium
$4.52
Diesel
$5.54
Regular, change:▼ −$0.02 Daily change▲ +$0.15 wk▲ +$0.11 mo
Regular — recent trend (91 days)
$3.82$3.14
Jun 6, 2026Sep 7, 2026
Cheaper elsewhere in Texas?
The cheapest Texas metros right now, from the same AAA data — the lowest is $0.17 under San Antonio.
| Metro | Regular | vs San Antonio |
|---|---|---|
| Sherman-Denison | $3.51 | −0.17 |
| Tyler | $3.55 | −0.13 |
| McAllen-Edinburg-Mission | $3.59 | −0.08 |
| Dallas | $3.61 | −0.07 |
| Corpus Christi | $3.61 | −0.06 |
| Brownsville-Harlingen | $3.62 | −0.06 |