During a 17-year professional career, Kamara played for football clubs in Italy, England, Scotland, Turkey and India as well as France.

[5] However, despite a bright start, Kamara struggled for form and injuries during the 2004–05 season, and after just one year at Portsmouth they took advantage of a clause in his contract which allowed them to move him on to West Bromwich Albion whilst only paying £1 million of his initial transfer fee to Modena.

[6] Kamara made his Albion debut on 13 August 2005, replacing Kanu in the 60th minute in a 0–0 draw away at Manchester City.

His first goal for West Brom was scored in a 4–1 Hawthorns win over Bradford City in the League Cup, on 20 September 2005.

[11] On 9 July 2007, Kamara signed a four-year deal with Fulham for £6 million and the move was a club record sale from West Brom.

[14] Four days later, he notched his first league goal for the Cottagers, a superb late overhead kick to earn a 3–3 draw with Tottenham Hotspur.

[17] Later in the 2007–08 season, after having a relatively dry spell in front of goal, Kamara resurrected Fulham's Premier League survival hopes with two goals in the last twenty minutes (plus a Danny Murphy rebound from a penalty saved by Joe Hart) secured a rare away win against Manchester City.

Whilst playing for Senegal in a match against Liberia in June 2008, he ruptured his cruciate ligament, an injury which required reconstructive surgery.

He made his return for Fulham in a 2–0 loss against Tottenham Hotspur on 26 January 2010 after coming on for Zoltán Gera in the 72 minute.

Kamara had previously played under then-Celtic manager Tony Mowbray at West Bromwich Albion.

[30] Kamara did get more playing time for Fulham as the club was short of options following injuries to Bobby Zamora and Mousa Dembélé.

[31] He scored his first league goal of the 2010–11 season on 16 October 2010 against Tottenham Hotspur, in a 2–1 defeat in the 30th minute at Craven Cottage.

[32] On 8 January 2011, Kamara netted a hat-trick and played the full 90 minutes in the third round of the FA Cup against Peterborough United in a 6–2 victory at Craven Cottage.

After his loan spell finished, Kamara admitted his contribution was disappointing at Leicester City but was open to a return.