Spanish Railways (RENFE) operates a train from Cádiz to Jerez Airport (XRY) every 3 hours. Tickets cost $7 - $18 and the journey takes 42 min. Alternatively, Transportes Bahia de Cadiz operates a bus from Cádiz to Jerez Airport (XRY) 3 times a day. Tickets cost $3 - $9 and the journey takes 1 h 22 min.
From Cadiz train to Aeropuerto de Jerez. 42 min £12. From Cádiz bus to Jerez de la Frontera Airport. 1 h 22 min £6. From Cádiz taxi to Jerez Airport (XRY). 30 min £66. From Cádiz drive to Jerez Airport (XRY). 30 min £4.