Flying internally in Spai
I am arriving in Spain on 25 Oct from UK will have my double vaccine certificates and completed spth form. Spending time in Alicante region then planning to fly down from Valencia to Malaga en route to Nerja to spend my remaining 90 days. Question is what do I require to provide as evidence re covid restrictions to board plane at Valencia and gain admission at Malaga Airport? Evidence of my vaccines and complete another spth , ?thanks in advance have tried to source this information from airlines websites but no joy thanks Dougie