Gas prices in San Antonio, TX
Gas prices in San Antonio, TXDaily metro average from AAA (2026-10-26), per gallon including taxes, for AAA’s San Antonio metro area in Texas.
San Antonio is $0.05 a gallon cheaper than the Texas average of $3.70 — about $0.78 on a 15-gallon fill. It is the 7 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 $3.65 here is normal or not.
| Metro | Regular | vs San Antonio |
|---|---|---|
| Abilene, TX | $3.61 | −$0.04 |
| Killeen, Temple & Fort Hood, TX | $3.62 | −$0.03 |
| Dallas, TX | $3.64 | −$0.02 |
| Austin & San Marcos, TX | $3.64 | −$0.02 |
| San Antonio, TX | $3.65 | — |
| McAllen, Edinburg & Mission, TX | $3.66 | +$0.01 |
| Fort Worth & Arlington, TX | $3.67 | +$0.02 |
| Waco, TX | $3.69 | +$0.04 |
| Tyler, TX | $3.69 | +$0.04 |
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Tools for drivers in San Antonio
Frequently asked questions
How much is gas in San Antonio right now?
Regular gasoline averages $3.65 per gallon across San Antonio, TX today (AAA metro average, 2026-10-26). Midgrade is $4.17, premium $4.53 and diesel $5.69.
Is gas cheaper in San Antonio than the rest of Texas?
Yes — San Antonio is $0.05 a gallon below the Texas average of $3.70. On a 15-gallon fill that is $0.78 saved.
Where does San Antonio rank in Texas?
San Antonio is the 7th cheapest of 27 Texas metros AAA tracks.
Are gas prices in San Antonio higher than a year ago?
Yes — regular is 40.1% higher than this time last year ($2.61/gal then, $3.65 now).