The most practical way to travel from Lake Oswego to San Antonio is by flying from Portland International Airport (PDX) to San Antonio International Airport (SAT). The flight duration is approximately 5 hours with a connection. San Antonio is famous for the Alamo and the River Walk. Driving is not a practical option due to the 2,200-mile distance.
Total Distance: Driving distance 3,500 km; Air distance 2,800 km.
Southwest often offers competitive rates with one stop.
March to May or September to November for pleasant weather.