The midfielder has not started a game for United since the Community Shield and, although he did join up with the England squad for their opening Euro 2012 qualifiers, he was then sent for an injection to try to ease the discomfort from a niggling Achilles problem.
Sir Alex Ferguson reported on Friday that Carrick had returned to training and the former Tottenham star was on the flight to Spain this morning that departed without the injured Wayne Rooney.
Rio Ferdinand is set to partner Nemanja Vidic in central defence for the first time this season.
Ferdinand's two appearances since recovering from the knee injury that wrecked his World Cup have both been when Vidic has been rested.
But after watching his side concede nine goals in their past five Premier League games, Ferguson could not have chosen a better time to get his first-choice pairing back together.