Which are the destinations to Alicante airport?
There are many fly companies who has destinations to Alicante airport, as Airberlin, Aireuropa, Easyjet, Norwegian, British Airways... You can check it in the following web:
List of Airlines:
2. Can You give me some information about rental car companies?
You can chose between eight companies. In the following web: http://www.aena-aeropuertos.es/csee/ContentServer/Aeropuerto-Alicante/en/Page/1237553495432/