Gas Prices in San Antonio, TX
Updated April 5, 2026 · AAA data · Regular unleaded
Why Gas Prices in San Antonio Vary
Gas prices in San Antonio reflect a mix of local taxes, distance to fuel distribution terminals, station density, and real estate costs. San Antonio benefits from lower operating costs, typically running 1¢ below the Texas state average.
Prices at individual stations can vary by 5–15 cents within the same city depending on brand, location, and local competition. Use apps like GasBuddy to find the cheapest station near you in San Antonio.
Frequently Asked Questions
What is the gas price in San Antonio right now?
The average regular unleaded price in San Antonio, Texas is $3.810/gal as of April 5, 2026. Station prices vary — expect a range of roughly $3.710 to $3.930 across the metro area.
Is gas cheaper in San Antonio or the suburbs?
Generally, suburban areas outside San Antonio have slightly lower gas prices due to lower operating costs and property taxes. If you're near a highway interchange or warehouse district, you may find lower prices than the city center.
When is the cheapest day to buy gas in San Antonio?
Nationwide data shows Monday and Tuesday tend to have slightly lower gas prices before weekly demand picks up. Avoid buying gas Thursday through Saturday when prices are typically higher.