Traveling from Easton to San Antonio is best done by flying from BWI to San Antonio International Airport (SAT). Driving involves a long trek south through the Atlantic states and across the Gulf Coast. The distance is approximately 2,500 km by road. San Antonio is famous for the Alamo and its historic River Walk. Expect warm weather for most of the year.
Total Distance: 2,500 km driving, 2,100 km air.
Southwest offers two free checked bags, which is helpful for longer trips.
March to May or October to November for mild temperatures.