Car Hire
These are car hire companies that we have used when travelling to Asturias and which we can recommend for their good service and competitive prices:
Holiday Autos often offers the cheapest all-inclusive car hire. Select 'Spain' and then 'Rest of Spain', where you will find Asturias and Santander airports:
Hertz has offices in Asturias and Santander aiports. Click on their icon to get a quote.