Four of the San Isidro 2016 bullfights have been already sold out. Sold out bullfights are: 13 May with Castella, Talavante, Roca Rey, 20 May with El Juli, Sebastián Castella, José Garrido, 25 May with El Juli, Perera, López Simón, 1 June with Castella, Manzanares, López Simón.
http://www.aplausos.es/noticia/34234/noticias/cuatro-no-hay-billetes-antes-de-comenzar-san-isidro.html