The top four teams in the table going into Round 22 all won on Saturday, with Harlequins finishing the season with a win at Sale, Tigers beating Bath 28-3 at Welford Road, Saracens claiming a bonus-point win over Exeter Chiefs and fourth-placed Northampton scoring a bonus-point win against Worcester.
Tickets for the Tigers semi-final are available now. The Tigers ticket office is open throughout the Bank Holiday weekend.
Aviva Premiership semi-final line-up:
Saturday, May 12
Harlequins v Northampton Saints (2.45pm)
Leicester Tigers v Saracens (5.30pm)
The final will be played on Saturday, May 26 at Twickenham.