Tha 47 puirt-adhair poblach ann an Spàinn. 'S e port-adhair Madrid (Barajas) an tè as trafaic, le 50 millean neach-siubhail ann an 2011, agus's e an 15mh port-adhair as trafaic san t-saoghal, a bharrachd air an ceathramh as trafaic san Aonadh Eòrpach. 'S e port-adhair Barcelona (El Prat) cuideachd cudromach, le 35 millean neach-siubhail ann an 2011, agus's e an 31mh port-adhair as trafaic san t-saoghal. Tha prìomh phort-adhair eile ann an Mallorca (23 millean neach-siubhail), Málaga (13 millean neach-siubhail), Las Palmas (Gran Canaria) (11 millean neach-siubhail), Alicante (10 millean neach-siubhail) agus nas lugha, le àireamh luchd-siubhail eadar 4 agus 10 millean, mar eisimpleir, Tenerife (dà phort-adhair), Seville, Bilbao, Ibiza, Fuerteventura.
50 millean