Twelve years of his childhood were spent on the Spanish island of Mallorca, where he lived with his family in a gated, eight-bedroom mansion with a pool, and had a Jacuzzi in his room.
[6] He made his professional debut in April 2016 aged 19 at The O2 Arena in London defeating Bulgarian Ivailo Boyanov by technical knockout in the first round.
[7] He followed this with a points victory over Luke 'The Nuke' Keleher at The SSE Hydro in Glasgow in May,[8] and a knockout of Lukas Radic in June[9] On 10 September 2016, Benn was due to fight Silvije Kebet on the undercard of Gennady Golovkin vs. Kell Brook.
After Silvije Kebet pulled out Benn defeated late replacement Joe Ducker by technical knockout in the second round to take his unbeaten record to 4–0.
[17] It was announced that Benn would appear on an edition of NXTGEN on Sky Sports on 1 September 2017 alongside Olympians Joshua Buatsi, Lawrence Okolie and Joe Cordina.
[22] Benn made his American debut on 11 November fighting Mexican boxer Brandon Sanudo at the Nassau Veterans Memorial Coliseum in Uniondale, New York.
[29] On 13 June, it was announced that Benn would fight Cedric Peynaud in a rematch on the undercard of Dillian Whyte vs. Joseph Parker on 28 July at The O2 Arena in London.
Peynaud started the fight swinging aiming to land big shots, however Benn used his feet to move around the ring and sensibly box.
[33][34] Benn would go on to defend his WBA Continental title multiple times: his first defence came against Finnish veteran Jussi Koivula at York Hall on 21 June 2019.
[35] His next fight against Belgian veteran Steve Jamoye on the undercard of Regis Prograis vs. Josh Taylor on 26 October 2019 also resulted in a technical knockout victory for Benn, this time in the fourth round.
[36] On 21 November 2020, Benn defeated former IBO welterweight champion Sebastian Formella by unanimous decision at the SSE Arena in Wembley, London.
However, the fight lasted just 80 seconds, as Benn landed two right-left combinations which rocked Vargas, followed by a barrage of punches and a hard uppercut on the ropes that saw the bout stopped.
[40] On 14 June 2021, it was announced that Benn had signed a new five-year deal with Matchroom Sport, and that he would be facing Adrián Granados on 31 July as part of Fight Camp in Brentwood, Essex.
[42] On 14 August 2021, it was announced that the fight would take place on 4 September at Emerald Headingley Stadium in Leeds on the undercard of Mauricio Lara vs. Josh Warrington II.
Despite the convincing nature of his victory, he expressed annoyance at not stopping his opponent inside the distance, stating in his post-fight interview, "It was very frustrating, he was on his bike the whole fight.
"[44] On 7 November 2021, it was announced that Benn would be facing former WBO junior welterweight champion Chris Algieri on 11 December at the M&S Bank Arena in Liverpool.
On 9 March 2022, It was announced that Benn would face former IBO welterweight champion Chris Van Heerden on 16 April 2022 at the AO Arena in Manchester, England.
[48] On 23 September 2023, after 525 days out of the ring, Conor Benn fought his comeback fight in Orlando, Florida against the Mexican Rodolfo Orozco.
[51] In March 2023, the UK Anti-Doping Agency formally charged and provisionally suspended Conor Benn for an Article 2.2 violation for the alleged use of a prohibited substance, after two voluntary drug tests came back positive on two occasions for clomifene, on 25 July 2022 and 1 September 2022 respectively, while in the build up to the subsequently cancelled bout against Chris Eubank Jr..[52] In July 2023, a ruling made by the NADP (National Anti-Doping Panel) saw his suspension lifted, clearing the way for him to fight again.