When you come out of the airport for the Algarve, Hang a left in the direction of the A1 motorway to Porto.
After about 3 to 4 kms, hang a right onto the A12 Vasco da Gama bridge, directionSetubal/Algarve/Spain.
After crossing the Tejo continue about 20kms until just before Setubal. Bear left onto the A2 Spain/Evora/Algarve motorway.
After about 25kms, just after Marateca, follow the A2 right onto the motorway South. After about 1hr 45mins, and just after the Paderne Toll Booths, bear right onto the A22 Via de Infante. After 3 to 4 kms, take the off-ramp marked Albufeira and follow the IC1/N125 until Vale Paraiso where you bear right onto the N395 and follow the signs to Albufeira.
Nothing to it really,