White moved to Irish provincial side Leinster in 2011 on a one-year contract, joining ahead of the 2011–12 season. He played 17 times in the Pro12 that season, nine of these appearances coming from the bench. He scored one try in the competition, this coming against the Cardiff Blues on 2 December 2011. In the 2011–12 Heineken Cup, White made seven appearances, all coming from the bench, as Leinster won the competition.