Gas Prices in San Antonio

The current average regular gas price near San Antonio is approximately $3.230 per gallon, based on the Texas statewide average. Individual stations within San Antonio vary based on brand, location, and local competition. Use our station list to find the best price in your area.

The cheapest gas in San Antonio is typically found at warehouse club stations (Costco, Sam's Club, BJ's) and grocery store fuel centers. These membership-based stations often price 5–15 cents below branded stations like Shell, Chevron, and BP. Stations along major commuter corridors tend to compete aggressively on price.

In San Antonio, Monday and Tuesday mornings are historically the cheapest times to fill up, before stations adjust prices heading into the weekend. Prices typically peak on Thursday through Saturday when weekend demand rises. Avoiding the Friday afternoon rush can save you 3–8 cents per gallon.

Gas prices in San Antonio tend to track closely with the Texas statewide average, though urban stations with higher real estate costs may price slightly higher than suburban or rural stations. Larger metros with many competing stations often see sharper price cuts when crude prices fall.

Fuel requirements in San Antonio depend on EPA clean air designations for Texas. Metro areas with air quality concerns may require reformulated gasoline (RFG), which burns cleaner but costs slightly more. Check the EPA's RFG areas page for San Antonio's current status.