The airport'ssingle terminal is modern and relatively large, but orientation is not difficult. Departures are on the 1st floor, while arrivals are located on the ground floor.
You can use the airport 24 hours a day, where both public and transit areas are accessible without restrictions.
Cheap hotels near Porto Airport
Transfer between flights
Transferring in Porto is very simple and more convenient than at a larger airport Lisabon LIS.
You always go through security control when you change planes and, if you arrive from a non-Schengen country and continue your flight to the Schengen area or vice versa, you also go through passport control.
Detailed procedures are described on the airport's official website: aeroportoporto.pt/flight-connections.