[4] On 30 August 2015, on the deadline day, Avdijaj completed a transfer to Vaduz for an undisclosed fee, signing until June 2017.
[5] He was allocated squad number 7, and made his competitive debut on 12 September in the opening Swiss Super League week against Young Boys, entering as a second-half substitute in an eventual 4–0 away crash.
[9] On 19 May 2020 the club confirmed, that Avdijaj's contract had been terminated, because he wanted to be closer to his family in Switzerland.
[11] In May 2014, Avdijaj accepted an invitation from Albert Bunjaku to play for Kosovo in the friendlies against Turkey and Senegal.
[13] Four days later he made his second appearance, his first as a starter, in another defeat, this time to Senegal at Stade de Genève.