The Challenge Cup winners ran in three second-half tries to triumph 22-12 and will meet Warrington in next Saturday’s Grand Final at Old Trafford.
It will be the first time the two north-west giants have met in a major final since Wigan beat Warrington in the 1990 Challenge Cup final at Wembley.
It was a fitting way for Australian winger Pat Richards and England internationals Sam Tomkins and Lee Mossop to mark their final appearances at the DW Stadium as they prepare for their moves to the NRL.
Leeds, champions in each of the last two years, drew level at 6-6 thanks to Joel Moon’s terrific try four minutes into the second half, but this looked a game too far for them and they finished a well-beaten side.
Read Dave Craven’s full match report and analysis in Saturday’s Yorkshire Post.