London Buses route 350 is a Transport for London contracted bus route in London, England. Running between Hayes and Heathrow Airport Terminal 5, it is operated by Abellio London.
Route 350 commenced operating on 22 March 2008 between Hayes and Heathrow Airport Terminal 5 via Stockley Park, West Drayton and Harmondsworth. The route was introduced in order to coincide with the opening of the new airport terminal, initially operated by Travel London from their Hayes garage (WS) using Alexander Dennis Enviro 200 Darts and a Wright Eclipse Gemini bodied Volvo B7TL.
In May 2009, the route was included in the sale of Travel London to Abellio London.
On 31 March 2012, the route was converted to double deck operation using Alexander ALX400 bodied Dennis Tridents.
On 21 March 2015, the route was retained by Abellio London with brand new Enviro 400 MMC bodied Alexander Dennis E40Hs introduced.
On 25 March 2017, the allocation was transferred to Fulwell (TF) garage.
On 29 April 2017, the route was retained by Abellio London and was converted back to single deck operation using brand new Enviro 200 MMC bodied Alexander Dennis E20Ds and Alexander Dennis Enviro 200 Darts. The route was rerouted between Hayes and Stockley Park via the current route U5 to Hayes Asda at the same time.
In May 2017, the route was converted to full Enviro 200 MMC bodied Alexander Dennis E20D operation.
Route 350 operates via these primary locations:
- Hayes Asda
- Hayes & Harlington Station
- Stockley Park
- High Street Yiewsley
- West Drayton Station
- Heathrow Airport Terminal 5