Chelsea have been to the champion league many a time, but sadly they have never won it.
liverpool fc have won the champions league 5 ( five ) times.
FC Chelsea won the Last Championship League .
FC Barcelona has won the Champions League four times. They won in 1992, 2006, 2009, and 2011.
Chelsea FC won the Champions League in 2011-2012, after beating Bayern Munich FC in the final in Munich.