On 25 June 2013, Davies moved to newly promoted Premier League club Hull City on a three-year contract for an undisclosed fee, reported by BBC Sport as "understood to be around £2.25 million". He made his debut on the first day of the 2013–14 season in a 2–0 loss away at Chelsea, and scored his first goal for the club on 14 September against Cardiff City, when he headed home Tom Huddlestone's precise cross from six yards. At the annual awards ceremony on 7 May 2014, at the KC Stadium, Davies was voted as the Player of the Year. On 17 May 2014 he started in the FA Cup Final against Arsenal and scored to put his team 2–0 up, however Hull went on to lose 3–2. On 16 March 2016, Davies signed a two-year extension to his contract with the club.