London Buses route 638 is a Transport for London contracted bus route in London, England. Running between Coney Hall and Kemnal College, it is operated by Stagecoach London.
On 2 March 2002, the route was retained by Stagecoach Selkent with Volvo Olympians.
In 2003, the route was converted to low floor operation using Alexander ALX400 bodied Dennis Tridents.
On 1 September 2007, the route was retained by Selkent.
On 1 September 2012, the route was retained by Stagecoach London.
On 2 September 2017, the route was retained by Stagecoach London with Alexander Dennis Enviro 400s.
- Coney Hall Addington Road/Croydon Road
- Hayes Station
- West Street (for Bromley North Station)
- Grove Park Station
- Chislehurst High Street
- Kemnal Technology College