Tags: Soccer Club Season.
The 2004–05 S.L. Benfica season involved Benfica competing in the Primeira Liga Taça de Portugal and the third qualifying round of the UEFA Champions League. Benfica qualified for the Champions League by finishing 2nd in the previous Primeira Liga.Benfica also contested the Supertaça for the first time since 1996.In Giovanni Trapattoni only season Benfica won the Primeira Liga for a 31st time its first league title since 1994 after a 11 year wait the longest in club history.