Carr returned to Connacht for the 2013–14 season, having turned down the offer of a new contract with Leinster. His return debut came in the opening game of the 2013–14 Pro12 against Zebre. Carr started the game and scored a try. He played his first ever Heineken Cup game for Connacht on 11 October 2013, against Saracens in Galway. Carr left Connacht at the end of the 2015-16 season.