Houston is 7% more expensive than San Antonio.
When comparing Houston, TX and San Antonio, TX, the overall cost of living indices are 88 and 82 respectively (national median = 100). Rent is $55/month cheaper in San Antonio, saving renters about $660/year.
Median household income is $23/year higher in San Antonio. Home values also differ significantly — the median in Houston is $253,400 compared to $219,700 in San Antonio.
Both cities share the same state tax structure since they are in Texas.
Houston vs San Antonio — common questions
Other cost of living comparisons for Houston and San Antonio