Train
Renfe – AVLO – High Speed train in Spain.
Flights
Vueling, Air Europa, Iberia & Ryanair, along with other airlines offer flights within Spain, and internationally.
AENA – Reserve your parking in advance with AENA.
Coach / Autobus
Omio – https://www.omio.co.uk/ – coaches, trains, flights and ferries.
Car / Vehicle
Used cars for Sale in Spain – just in case you are looking for your own transport.