In May 2017 he was named in the Wales senior squad for the tests against Tonga and Samoa in June 2017. He won the Six Nations Grand Slam with Wales in 2019. He was selected by Warren Gatland as part of the Wales squad for the 2019 Rugby World Cup where started three out of four group games. He also started both the quarter final win against France and semi final loss to South Africa before dropping to the bench for the 3rd place playoff loss to New Zealand. In 2021, Jones was part of Wayne Pivac's Six Nations Championship winning side.