| 21 Nov 08 | W. Routledge Wayne Routledge |  Aston VillaAVL | → |  Cardiff CityCAR | Loan |
| 21 Nov 08 | W. Routledge Wayne Routledge | Aston VillaAVL | → | Cardiff CityCAR | Loan |
| 05 Nov 08 | S. O'Halloran Stephen O'Halloran | Aston VillaAVL | → |  Swansea CitySWA | Loan |
| 05 Nov 08 | S. O'Halloran Stephen O'Halloran | Aston VillaAVL | → | Swansea CitySWA | Loan |
| 03 Nov 08 | S. Williams Sam Williams | Aston VillaAVL | → |  Colchester UnitedCOL | Loan |
| 29 Aug 08 | J. Milner James Milner |  Newcastle UnitedNEW | → | Aston VillaAVL | Undisclosed |
| 22 Aug 08 | S. Maloney Shaun Maloney | Aston VillaAVL | → |  CelticCEL | Undisclosed |
| 22 Aug 08 | S. Maloney Shaun Maloney | Aston VillaAVL | → | CelticCEL | Undisclosed |
| 12 Aug 08 | C. Cuellar Carlos Jimenez Cuellar |  RangersRAN | → | Aston VillaAVL | 7934000 |
| 12 Aug 08 | C. Cuellar Carlos Jimenez Cuellar | RangersRAN | → | Aston VillaAVL | 7934000 |
| 07 Aug 08 | L. Young Luke Young |  MiddlesbroughMID | → | Aston VillaAVL | Undisclosed |
| 07 Aug 08 | N. Shorey Nicky Shorey |  ReadingREA | → | Aston VillaAVL | Undisclosed |
| 07 Aug 08 | N. Shorey Nicky Shorey | ReadingREA | → | Aston VillaAVL | Undisclosed |
| 26 Jul 08 | B. Friedel Brad Friedel |  Blackburn RoversBLK | → | Aston VillaAVL | Undisclosed |
| 10 Jul 08 | S. Sidwell Steve Sidwell |  ChelseaCHE | → | Aston VillaAVL | 5500000 |
| 03 Jul 08 | C. Davies Curtis Davies |  West Bromwich AlbionWBA | → | Aston VillaAVL | Undisclosed |
| 01 Jul 08 | O. Mellberg Olof Mellberg | Aston VillaAVL | → |  JuventusJUV | Free |
| 01 Jul 08 | O. Mellberg Olof Mellberg | Aston VillaAVL | → | JuventusJUV | Free |
| 28 May 08 | L. Moore Luke Moore | Aston VillaAVL | → | West Bromwich AlbionWBA | 3000000 |
| 14 Mar 08 | C. Herd Chris Herd | Aston VillaAVL | → |  Wycombe WanderersWYC | Loan |
| 28 Feb 08 | Stephen O'Halloran | Aston VillaAVL | → |  Leeds UnitedLEE | Loan |
| 22 Feb 08 | L. Moore Luke Moore | Aston VillaAVL | → | West Bromwich AlbionWBA | Loan |
| 30 Jan 08 | W. Routledge Wayne Routledge |  Tottenham HotspurTOT | → | Aston VillaAVL | Undisclosed |
| 30 Jan 08 | G. Cahill Gary Cahill | Aston VillaAVL | → |  Bolton WanderersBOL | Undisclosed |
| 17 Jan 08 | T. Mikaelsson Tobias Mikaelsson | Aston VillaAVL | → |  Port ValeVALE | Loan |
| 16 Jan 08 | S. O'Halloran Stephen O'Halloran | Aston VillaAVL | → |  SouthamptonSOU | Loan |
| 16 Jan 08 | S. O'Halloran Stephen O'Halloran | Aston VillaAVL | → | SouthamptonSOU | Loan |
| 09 Jan 08 | C. Herd Chris Herd | Aston VillaAVL | → | Port ValeVALE | Loan |