San Antonio Average Gas Price
| Regular | Mid-Grade | Premium | Diesel | E85 | |
|---|---|---|---|---|---|
| Week Ago Avg. | $2.91 | $3.24 | $3.75 | $3.37 | $2.76 |
| Month Ago Avg. | $2.9 | $3.24 | $3.73 | $3.38 | $2.76 |
Highest Recorded Average Gas Price In San Antonio Year to Date
| Price | Date | |
|---|---|---|
| Diesel | $3.43 | 04/07/26 |
| Regular | $2.92 | 05/05/26 |
Top 10 Gas Stations & Cheap Fuel Prices in San Antonio
Walmart Neighborhood Market in San Antonio (9418 Military Dr W)
9418 Military Dr W, San Antonio, Texas,
$2.74
May 29, 2026
0¢ Cashback
Murphy USA in San Antonio (7639 NW IH-410)
7639 NW IH-410, San Antonio, Texas,
$2.78
May 29, 2026
0¢ Cashback
Murphy USA in San Antonio (6711 SL-1604)
6711 SL-1604, San Antonio, Texas,
$2.79
May 29, 2026
0¢ Cashback
Texaco in San Antonio (2368 Austin Hwy)
2368 Austin Hwy, San Antonio, Texas,
$2.79
May 29, 2026
0¢ Cashback
QuikTrip in San Antonio (7320 Culebra Rd)
7320 Culebra Rd, San Antonio, Texas,
$2.79
May 29, 2026
0¢ Cashback
QuikTrip in San Antonio (8850 Culebra Rd)
8850 Culebra Rd, San Antonio, Texas,
$2.79
May 29, 2026
0¢ Cashback
Murphy USA in San Antonio (1430 Austin Hwy)
1430 Austin Hwy, San Antonio, Texas,
$2.82
May 29, 2026
0¢ Cashback
Shell in San Antonio (9094 Guilbeau Rd)
9094 Guilbeau Rd, San Antonio, Texas,
$2.83
May 29, 2026
3¢ Cashback
QuikTrip in San Antonio (1015 N Hunt Ln)
1015 N Hunt Ln, San Antonio, Texas,
$2.84
May 29, 2026
0¢ Cashback
QuikTrip in San Antonio (5538 US-87 E)
5538 US-87 E, San Antonio, Texas,
$2.84
May 29, 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.