From Condado the simplest and fastest route is; Out from Condado, turn north on RM 23 towards Alhama de Murcia. After 4 kilometers, turn north on RM2 towards Alhame de Murcia. After another 4 kilomters turn right towards Murcia on A7/E-15. Just stay on this road for about 95 km and there is a sign for the airport. It is appr. 3 kilometers from the motorway to the airport.
Check it out on Google maps, Spain.
Best regards,
Nils