estimated fuel cost to drive from san antonio, tx to los angeles, ca
Road trip planner. The total cost of driving from Los Angeles, CA to San Antonio, TX (one-way) is $132.86 at current gas prices. The round trip cost would be $265.73 to go from Los Angeles, CA to San Antonio, TX and back to Los Angeles, CA again. Regular fuel costs are around $2.46 per gallon for your trip. This calculation assumes that your vehicle gets an average gas mileage of 25 mpg for a mix of city and highway driving.