Djilali made his Palace debut aged 17, as a substitute in a 2–1 Football League Cup victory over Hereford United.

[citation needed] Djilali joined Conference Premier side Crawley Town on a month-long loan on 1 September 2009.

[11] He began the following season in Palace's first team but dropped out as manager George Burley sought to bring in more experienced players.

[14][15] When his contract at parent club Crystal Palace expired, he opted to leave Selhurst Park in the summer of 2011 to seek more game time.

[citation needed] In July 2011, Djilali played on trial for Scunthorpe United,[16] but ended up signing for League Two club AFC Wimbledon on 26 August.

[29] On 21 November 2014, Cork City announced the signing of Kieran Djilali from Munster rivals, Limerick ahead of the 2015 season.

Whilst at Cork, Djilali suffered a knee injury which he never fully recovered from and led to him leaving full-time football following his departure from the club.

[32] After making three substitute appearances in all competitions for Dulwich Hamlet, Djilali joined Three Bridges of the Isthmian League South Division on 17 October 2016.