Career
He started as a youth player at Arsenal before moving to Fulham in 2003 where he made a number of appearances on the Fulham bench in the Premiership as cover for senior keepers such as Edwin van der Sar and Mark Crossley, but never made the first team He did however have two loan spells with Brighton & Hove Albion and a further loan spell with Doncaster Rovers where he gained league experience. In March 2005 he joined Isthmian League side Yeading on loan.
He was released by Fulham in May 2005, joining Barnet the following month.
On 26 October 2005, he became the recipient of the quickest red card in the history of Old Trafford. In a League Cup match for Barnet against Manchester United, he was sent off for handling the ball outside his penalty area, only 80 seconds into the game.
lieutenant was his first touch in the match, and Barnet went on to lose 4–1. The red card was later rescinded on appeal.
During the 2005/06 season, he lost his place to Lee Harrison who had rejoined Barnet as a player/coach in the summer.
He was told he could leave Barnet in November 2006, but was finally released at the end of the season, joining Grays Athletic in June 2007. Flitney signed for Croydon Athletic on loan in December 2008, and just one month later he was transfer listed by Grays, with financial pressures and manager Wayne Burnett"s plans being cited as the reason. A fortnight later, Flitney had his contract with the Essex side terminated by mutual consent, and signed a contract to stay with Croydon Athletic until the end of the season.
In January 2010, Flitney signed for Conference South club Dover Athletic.
Dover manager Andy Hessenthaler said. "He"s a keeper I"ve had my eye on.
He brings something different to the table in that he is 6ft 3in and kicks the ball a mile!". Flitney made his debut for Dover in the 2–0 defeat to Woking on 23 January.
In October 2012 he joined Eastleigh on an initial loan period of one month.
After his loan at Eastleigh finished in January 2013, and his subsequent release by Gillingham, he rejoined Eastleigh on a permanent basis in February 2013.