From Preveza bus to Preveza airport, fly to Athens airport, then subway to Athens. 3 h 2 min $153. From Preveza bus to Ioannina, taxi to Ioannina airport, fly to Athens airport, then subway to Athens. 4 h 53 min $111. From Preveza bus to Athens. 5 h 50 min $42. From Preveza bus to Patras then bus to Athens. 6 h 4 min $42. From Preveza bus to Agrinio then bus to Athens. 7 h $27. From Preveza drive to Athens. 4 h 51 min $65.