Flight
Iberia is the Spanish airline that offers direct flights to Madrid and Barcelona.
Train
This is one of the more affordable high speed train options from Madrid or Barcelona, make sure to book it at least a week in advance to make sure is not sold out. Keep in mind that prices increase as the travel date approaches. In Madrid there are two main train stations, Madrid-Chamartin and Madrid-Puerta de Atocha. ONLY trains from Madrid-Chamartin departure to Alicante.
Rental Car
When booking your flight make sure to book your rental car. Whether if you choose option 1 or 2 you will need to rent a car to get to Altea. Europcar is just one of the multiple options such as Avis, Sixt, Enterprise etc. You will find the rental car offices in the airport or train station.
Travel Note
I know it all sounds like a headache but I promise it's really not that hard. Please reach out with any questions, we want to see you there eating paella, having a siesta and drinking 2€ beers!