Magdalena Eriksson's second goal of the season came in the 55th minute when she reached the top of a corner in the quarterfinals at home against Aston Villa.
It set the tone for the 3-1 victory that sat far in. The 2-0 goal came through Ji So-yun with ten minutes left before the guests subsequently reduced in the final minutes. Emily Murphy's 3-1 goal then punctured the event.
Chelsea are now ready for the semi-finals of the League Cup where either Arsenal, Manchester City or Manchester United are waiting.
National team player Jonna Andersson sat on the bench the entire match.