Which airport is located in San Antonio, Texas?

San Antonio International Airport is the correct answer as it is the only airport among the provided options that is specifically located in San Antonio, Texas. This airport serves as the primary gateway for both domestic and international flights into the San Antonio area, accommodating a variety of airlines and offering numerous travel destinations.

The other airports mentioned, such as Richmond International, Louisville Muhammad Ali International, and Tampa International, are located in different cities and states. Richmond International Airport is situated in Virginia, Louisville Muhammad Ali International Airport is in Kentucky, and Tampa International Airport is located in Florida. Each of these airports serves their respective regions but does not pertain to San Antonio, reinforcing that San Antonio International Airport is indeed the correct choice.