San Antonio Average Gas Price
| Regular | Mid-Grade | Premium | Diesel | E85 | |
|---|---|---|---|---|---|
| Week Ago Avg. | $3.11 | $3.49 | $3.92 | $3.9 | $2.85 |
| Month Ago Avg. | $3.1 | $3.49 | $3.91 | $3.86 | $2.85 |
Highest Recorded Average Gas Price In San Antonio Year to Date
| Price | Date | |
|---|---|---|
| Diesel | $3.91 | 07/12/26 |
| Regular | $3.11 | 06/17/26 |
Top 10 Gas Stations & Cheap Fuel Prices in San Antonio
Texaco in San Antonio (2368 Austin Hwy)
2368 Austin Hwy, San Antonio, Texas,
$2.79
Jul 19, 2026
0¢ Cashback
Shop & Shop in San Antonio (1306 Basse Rd)
1306 Basse Rd, San Antonio, Texas,
$2.88
Jul 19, 2026
0¢ Cashback
Steves Food Mart in San Antonio (3102 S Presa St)
3102 S Presa St, San Antonio, Texas,
$2.89
Jul 19, 2026
0¢ Cashback
VP Racing Fuels in San Antonio (1743 Fredericksburg Rd)
1743 Fredericksburg Rd, San Antonio, Texas,
$2.89
Jul 19, 2026
0¢ Cashback
Texaco in San Antonio (14626 Nacogdoches Rd)
14626 Nacogdoches Rd, San Antonio, Texas,
$2.99
Jul 19, 2026
0¢ Cashback
CITGO in San Antonio (2030 Goliad Rd)
2030 Goliad Rd, San Antonio, Texas,
$2.99
Jul 19, 2026
0¢ Cashback
Murphy USA in San Antonio (2100 SE IH-410)
2100 SE IH-410, San Antonio, Texas,
$3.05
Jul 19, 2026
0¢ Cashback
H-E-B in San Antonio (6030 Montgomery Rd)
6030 Montgomery Rd, San Antonio, Texas,
$3.09
Jul 19, 2026
0¢ Cashback
Diamond Shamrock in San Antonio (5818 Pecan Valley Dr)
5818 Pecan Valley Dr, San Antonio, Texas,
$3.09
Jul 19, 2026
3¢ Cashback
CITGO in San Antonio (14072 E SL-1604 S)
14072 E SL-1604 S, San Antonio, Texas,
$3.09
Jul 19, 2026
0¢ Cashback
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Gas Data Methodology
The fuel prices published in this guide are based on the results of research completed by Way.com’s data team. Using a mix of external and internal data, we analyzed millions of prices across U.S. ZIP codes and globally.