Question : Is Sao Paulo/Congonhas Airport (CGH) the cheapest airport for getting to San Diego International Airport (SAN)?
Answer : Departing from Sao Paulo/Congonhas Airport is not the only way to get to San Diego International Airport. Try looking for flights from Sao Paulo-Guarulhos International Airport (GRU) as well. Over the upcoming months, flights from GRU to SAN are being priced 42% cheaper than flights from CGH to SAN. Being only 18 miles away, it's easily accessible for most.