Celta de Vigo season was the club's 81st season in its history and its 27th participating in the Segunda División
, the second tier of Spanish football.
Heading into the 2004–05 season, the Célticos were looking to return to La Liga after being relegated in the previous season.[1] On the 18 June 2005, the Célticos gained promotion back to La Liga following a 2–0 victory over UE Lleida.[2] Celta narrowly missed out on claiming the Segunda División title on goal difference to Cádiz CF.[3]