In July 2006, Kirkland joined Wigan Athletic on a six-month loan spell. Manager Paul Jewell said that "He certainly has the potential, but there's the obvious question mark over fitness. It's not just been one thing with him because he's been unlucky with broken ribs, fingers, knee injuries, back." This move became permanent for a sum of £2.5 million on 27 October when the two clubs and Kirkland made a compromise. He won the club's Players' Player of the Year and Media Player of the Year awards for the 2007–08 season. A highlight of this season was saving a Benni McCarthy penalty in a 5–3 win over Blackburn Rovers at the DW Stadium. He committed his future to Wigan in May 2008 when he signed a new contract, tying him to the club until 2012.