Take a bus to the Civil Aviation New Village on Changqing Road, opposite China Southern Airlines Building, and there is an airport bus below, 17 yuan. It only takes about 30 minutes to get to the airport. You didn't say whether you were in gold and silver lake Campus or Changqing Campus. Changqing Campus is not far from Civil Aviation New Village, and there are buses from gold and silver lake Campus to Civil Aviation New Village Station.