| 01 Sept 25 | F. Buonanotte Facundo Buonanotte |  Brighton & Hove AlbionBHA | → |  ChelseaCHE | Loan |
| 01 Sept 25 | J. Sarmiento Jeremy Sarmiento | Brighton & Hove AlbionBHA | → |  CremoneseCRE | Loan |
| 01 Sept 25 | Igor Julio | Brighton & Hove AlbionBHA | → |  West Ham UnitedWHU | Loan |
| 01 Sept 25 | J. Enciso Julio Enciso | Brighton & Hove AlbionBHA | → |  StrasbourgSTR | Undisclosed |
| 01 Sept 25 | T. Lamptey Tariq Lamptey | Brighton & Hove AlbionBHA | → |  FiorentinaFIO | Undisclosed |
| 01 Sept 25 | M. O'Riley Matt O'Riley | Brighton & Hove AlbionBHA | → |  MarseilleOLM | Loan |
| 01 Sept 25 | J. Slater Jacob Slater | Brighton & Hove AlbionBHA | → |  Harrogate TownHAR | Loan |
| 31 Aug 25 | A. Mazilu Adrian Mazilu | Brighton & Hove AlbionBHA | → |  Dinamo BucurestiDBUC | Undisclosed |
| 29 Aug 25 | A. Sima Abdallah Sima | Brighton & Hove AlbionBHA | → |  LensRCL | Undisclosed |
| 21 Aug 25 | A. Moran Andy Moran | Brighton & Hove AlbionBHA | → |  LAFCLAFC | Loan |
| 14 Aug 25 | M. Yalcouyé Malick Yalcouyé | Brighton & Hove AlbionBHA | → |  Swansea CitySWA | Loan |
| 04 Aug 25 | K. Doyle Kamari Doyle | Brighton & Hove AlbionBHA | → |  ReadingREA | Loan |
| 25 Jul 25 | E. Cashin Eiran Cashin | Brighton & Hove AlbionBHA | → |  Birmingham CityBIR | Loan |
| 24 Jul 25 | K. Scherpen Kjell Scherpen | Brighton & Hove AlbionBHA | → |  Union St.-GilloiseUSG | Undisclosed |
| 24 Jul 25 | C. Rushworth Carl Rushworth | Brighton & Hove AlbionBHA | → |  Coventry CityCOV | Loan |
| 24 Jul 25 | P. Estupiñán Pervis Estupiñán | Brighton & Hove AlbionBHA | → |  AC MilanMIL | Undisclosed |
| 23 Jul 25 | E. Ferguson Evan Ferguson | Brighton & Hove AlbionBHA | → |  AS RomaROMA | Loan |
| 21 Jul 25 | C. Vickers Caylon Vickers | Brighton & Hove AlbionBHA | → |  BarnsleyBAR | Loan |
| 16 Jul 25 | D. Yoon Yoon Do-Yong | Brighton & Hove AlbionBHA | → |  ExcelsiorEXC | Loan |
| 15 Jul 25 | J. Mullins Jamie Mullins | Brighton & Hove AlbionBHA | → |  Wycombe WanderersWYC | Undisclosed |
| 10 Jul 25 | S. Adingra Simon Adingra | Brighton & Hove AlbionBHA | → |  SunderlandSUN | Undisclosed |
| 08 Jul 25 | I. Osman Ibrahim Osman | Brighton & Hove AlbionBHA | → |  AJ AuxerreAUX | Loan |
| 07 Jul 25 | M. O’Mahony Mark O’Mahony | Brighton & Hove AlbionBHA | → | ReadingREA | Loan |
| 06 Jul 25 | M. De Cuyper Maxim De Cuyper |  Club BruggeBRU | → | Brighton & Hove AlbionBHA | Undisclosed |
| 05 Jul 25 | A. Cozier-Duberry Amario Cozier-Duberry | Brighton & Hove AlbionBHA | → |  Bolton WanderersBOL | Loan |
| 05 Jul 25 | O. Offiah Odeluga Offiah | Brighton & Hove AlbionBHA | → |  Preston North EndPNE | Undisclosed |
| 02 Jul 25 | João Pedro | Brighton & Hove AlbionBHA | → | ChelseaCHE | Undisclosed |
| 02 Jul 25 | O. Boscagli Olivier Boscagli |  PSV EindhovenPSV | → | Brighton & Hove AlbionBHA | Free |
| 02 Jul 25 | J. Beadle James Beadle | Brighton & Hove AlbionBHA | → | Birmingham CityBIR | Loan |
| 01 Jul 25 | C. Kostoulas Charalambos Kostoulas |  OlympiacosOLY | → | Brighton & Hove AlbionBHA | Undisclosed |
| 01 Jul 25 | D. Yoon Yoon Do-Yong | DHCDaejeon Hana CitizenDaejeon Hana Citizen | → | Brighton & Hove AlbionBHA | Undisclosed |
| 01 Jul 25 | D. Coppola Diego Coppola |  Hellas VeronaVER | → | Brighton & Hove AlbionBHA | Undisclosed |
| 01 Jun 25 | T. Watson Tom Watson | SunderlandSUN | → | Brighton & Hove AlbionBHA | Undisclosed |
| 03 Feb 25 | R. Mcconville Ruairi Mcconville | Brighton & Hove AlbionBHA | → |  Norwich CityNOR | Undisclosed |
| 03 Feb 25 | S. Tzimas Stefanos Tzimas | Brighton & Hove AlbionBHA | → |  1. FC NürnbergFCN | Loan |
| 03 Feb 25 | M. Ifill Markus Ifill | Brighton & Hove AlbionBHA | → |  BromleyBRO | Loan |
| 03 Feb 25 | E. Ferguson Evan Ferguson | Brighton & Hove AlbionBHA | → | West Ham UnitedWHU | Loan |
| 03 Feb 25 | S. Tzimas Stefanos Tzimas | 1. FC NürnbergFCN | → | Brighton & Hove AlbionBHA | Undisclosed |
| 03 Feb 25 | E. Turns Ed Turns | Brighton & Hove AlbionBHA | → |  Exeter CityEXE | Undisclosed |
| 03 Feb 25 | C. Vickers Caylon Vickers | Brighton & Hove AlbionBHA | → |  Mansfield TownMNF | Loan |
| 03 Feb 25 | B. Baker-Boaitey Benicio Baker-Boaitey | Brighton & Hove AlbionBHA | → |  MillwallMIL | Undisclosed |
| 02 Feb 25 | V. Barco Valentín Barco | Brighton & Hove AlbionBHA | → | StrasbourgSTR | Loan |
| 31 Jan 25 | E. Cashin Eiran Cashin |  Derby CountyDER | → | Brighton & Hove AlbionBHA | Undisclosed |
| 27 Jan 25 | K. Doyle Kamari Doyle | Brighton & Hove AlbionBHA | → |  Crawley TownCRA | Loan |
| 23 Jan 25 | J. Enciso Julio Enciso | Brighton & Hove AlbionBHA | → |  Ipswich TownIPS | Loan |
| 20 Jan 25 | J. Moder Jakub Moder | Brighton & Hove AlbionBHA | → |  Feyenoord RotterdamFEY | Undisclosed |
| 01 Jan 25 | D. Gómez Diego Gómez |  Inter Miami CFMIA | → | Brighton & Hove AlbionBHA | Undisclosed |