| 31 Aug 18 | Douglas Luiz |  Manchester CityMNC | → |  GironaGIR | Loan |
| 31 Aug 18 | Douglas Luiz | Manchester CityMNC | → | GironaGIR | Loan |
| 21 Aug 18 | J. Denayer Jason Denayer | Manchester CityMNC | → |  LyonLYON | 6500000 |
| 21 Aug 18 | J. Denayer Jason Denayer | Manchester CityMNC | → | LyonLYON | 6500000 |
| 17 Aug 18 | D. Arzani Daniel Arzani | Manchester CityMNC | → |  CelticCEL | Loan |
| 17 Aug 18 | D. Arzani Daniel Arzani | Manchester CityMNC | → | CelticCEL | Loan |
| 16 Aug 18 | P. Roberts Patrick Roberts | Manchester CityMNC | → | GironaGIR | Loan |
| 16 Aug 18 | P. Roberts Patrick Roberts | Manchester CityMNC | → | GironaGIR | Loan |
| 09 Aug 18 | D. Arzani Daniel Arzani |  Melbourne City FCMCY | → | Manchester CityMNC | Undisclosed |
| 09 Aug 18 | D. Arzani Daniel Arzani | Melbourne City FCMCY | → | Manchester CityMNC | Undisclosed |
| 09 Aug 18 | L. Nmecha Lukas Nmecha | Manchester CityMNC | → |  Preston North EndPNE | Loan |
| 09 Aug 18 | L. Nmecha Lukas Nmecha | Manchester CityMNC | → | Preston North EndPNE | Loan |
| 08 Aug 18 | T. Agyepong Thomas Agyepong | Manchester CityMNC | → |  HibernianHIBS | Loan |
| 08 Aug 18 | T. Agyepong Thomas Agyepong | Manchester CityMNC | → | HibernianHIBS | Loan |
| 07 Aug 18 | B. Barker Brandon Barker | Manchester CityMNC | → | Preston North EndPNE | Loan |
| 07 Aug 18 | J. Hart Joe Hart | Manchester CityMNC | → |  BurnleyBUR | Undisclosed |
| 07 Aug 18 | B. Barker Brandon Barker | Manchester CityMNC | → | Preston North EndPNE | Loan |
| 03 Aug 18 | T. Adarabioyo Tosin Adarabioyo | Manchester CityMNC | → |  West Bromwich AlbionWBA | Loan |
| 03 Aug 18 | T. Adarabioyo Tosin Adarabioyo | Manchester CityMNC | → | West Bromwich AlbionWBA | Loan |
| 02 Aug 18 | Kean Bryan | Manchester CityMNC | → |  Sheffield UnitedSHU | Undisclosed |
| 02 Aug 18 | K. Bryan Kean Bryan | Manchester CityMNC | → | Sheffield UnitedSHU | Free |
| 02 Aug 18 | K. Bryan Kean Bryan | Manchester CityMNC | → | Sheffield UnitedSHU | Free |
| 02 Aug 18 | Kean Bryan | Manchester CityMNC | → | Sheffield UnitedSHU | Undisclosed |
| 31 Jul 18 | Philippe Sandler |  PEC ZwollePEC | → | Manchester CityMNC | Undisclosed |
| 31 Jul 18 | Bersant Celina | Manchester CityMNC | → |  Swansea CitySWA | Undisclosed |
| 31 Jul 18 | Bersant Celina | Manchester CityMNC | → | Swansea CitySWA | Undisclosed |
| 31 Jul 18 | Philippe Sandler | PEC ZwollePEC | → | Manchester CityMNC | Undisclosed |
| 30 Jul 18 | J. Harrison Jack Harrison | Manchester CityMNC | → |  Leeds UnitedLEE | Loan |
| 30 Jul 18 | J. Harrison Jack Harrison | Manchester CityMNC | → | Leeds UnitedLEE | Loan |
| 17 Jul 18 | I. Buckley-Ricketts Isaac Buckley-Ricketts | Manchester CityMNC | → |  Peterborough UnitedPET | Undisclosed |
| 10 Jul 18 | R. Mahrez Riyad Mahrez |  Leicester CityLEI | → | Manchester CityMNC | Undisclosed |
| 10 Jul 18 | Angus Gunn | Manchester CityMNC | → |  SouthamptonSOU | Undisclosed |
| 07 Jul 18 | Erik Palmer-Brown | Manchester CityMNC | → |  NAC BredaNAC | Loan |
| 07 Jul 18 | M. García Manu García | Manchester CityMNC | → |  ToulouseTOUL | Loan |
| 07 Jul 18 | M. García Manu García | Manchester CityMNC | → | ToulouseTOUL | Loan |
| 07 Jul 18 | Erik Palmer-Brown | Manchester CityMNC | → | NAC BredaNAC | Loan |
| 02 Jul 18 | J. Davenport Jacob Davenport | Manchester CityMNC | → |  Blackburn RoversBLK | Undisclosed |
| 02 Jul 18 | J. Davenport Jacob Davenport | Manchester CityMNC | → | Blackburn RoversBLK | Undisclosed |
| 01 Jul 18 | J. Dilrosun Javairo Dilrosun | Manchester CityMNC | → |  Hertha BerlinHERT | Undisclosed |
| 01 Jul 18 | J. Dilrosun Javairo Dilrosun | Manchester CityMNC | → | Hertha BerlinHERT | Undisclosed |
| 01 Jul 18 | P. Maffeo Pablo Maffeo | Manchester CityMNC | → |  VfB StuttgartVFB | Undisclosed |
| 01 Jul 18 | P. Maffeo Pablo Maffeo | Manchester CityMNC | → | VfB StuttgartVFB | Undisclosed |
| 26 Jun 18 | A. Smith-Brown Ashley Smith-Brown | Manchester CityMNC | → |  Plymouth ArgylePLY | Undisclosed |
| 08 Jun 18 | O. Kayode Olarenwaju Kayode | Manchester CityMNC | → | SDXShakhtar DonetskShakhtar Donetsk | Undisclosed |
| 31 Jan 18 | J. Davenport Jacob Davenport | Manchester CityMNC | → |  Burton AlbionBRT | Loan |
| 31 Jan 18 | C. Oliver Charles Oliver | Manchester CityMNC | → |  Fleetwood TownFLE | Loan |
| 31 Jan 18 | E. Mangala Eliaquim Mangala | Manchester CityMNC | → |  EvertonEVE | Loan |
| 31 Jan 18 | J. Davenport Jacob Davenport | Manchester CityMNC | → | Burton AlbionBRT | Loan |
| 30 Jan 18 | J. Harrison Jack Harrison | Manchester CityMNC | → |  MiddlesbroughMID | Loan |
| 30 Jan 18 | A. Laporte Aymeric Laporte |  Athletic ClubATH | → | Manchester CityMNC | Undisclosed |
| 30 Jan 18 | J. Harrison Jack Harrison | Manchester CityMNC | → | MiddlesbroughMID | Loan |
| 30 Jan 18 | A. Laporte Aymeric Laporte | Athletic ClubATH | → | Manchester CityMNC | Undisclosed |
| 30 Jan 18 | J. Harrison Jack Harrison |  New York City FCNYC | → | Manchester CityMNC | Undisclosed |
| 30 Jan 18 | J. Harrison Jack Harrison | New York City FCNYC | → | Manchester CityMNC | Undisclosed |
| 16 Jan 18 | K. Bryan Kean Bryan | Manchester CityMNC | → |  Oldham AthleticOLD | Loan |
| 12 Jan 18 | I. Buckley-Ricketts Isaac Buckley-Ricketts | Manchester CityMNC | → |  Oxford UnitedOXF | Loan |
| 10 Jan 18 | C. Nwakali Chidiebere Nwakali | Manchester CityMNC | → |  AberdeenABER | Loan |
| 10 Jan 18 | C. Nwakali Chidiebere Nwakali | Manchester CityMNC | → | AberdeenABER | Loan |
| 05 Jan 18 | S. Facey Shay Facey | Manchester CityMNC | → |  Northampton TownNHT | Undisclosed |