Gas prices in San Antonio
Daily metro average from AAA (2026-09-11), per gallon including taxes, for the San Antonio area of Texas.
San Antonio runs $0.32 a gallon above the Texas average of $3.62. It is the 19 cheapest of 27 Texas metros AAA tracks.
Nearest Texas metros on price
The metros immediately either side of San Antonio in Texas, so you can see whether paying $3.94 here is normal or not.
| Metro | Regular | vs San Antonio |
|---|---|---|
| Killeen-Temple-Fort Hood | $3.91 | −$0.03 |
| Austin-San Marcos | $3.91 | −$0.03 |
| Waco | $3.92 | −$0.02 |
| San Angelo | $3.92 | −$0.02 |
| San Antonio | $3.94 | — |
| Odessa | $3.94 | +$0.00 |
| Brownsville-Harlingen | $3.95 | +$0.02 |
| Laredo | $3.96 | +$0.02 |
| Corpus Christi | $3.96 | +$0.02 |
State average, trend, station map and calculators.
Your own area's price and a live map of the stations around you.
Frequently asked questions
How much is gas in San Antonio right now?
Regular gasoline averages $3.94 per gallon across San Antonio today (AAA metro average, 2026-09-11). Midgrade is $4.41, premium $4.77 and diesel $5.69.
Is gas cheaper in San Antonio than the rest of Texas?
No — San Antonio runs $0.32 a gallon above the Texas average of $3.62.
Where does San Antonio rank in Texas?
San Antonio is the 19th cheapest of 27 Texas metros AAA tracks.
Are gas prices in San Antonio higher than a year ago?
Yes — regular is 35.6% higher than this time last year ($2.90/gal then, $3.94 now).