London Buses route 139

London Buses route 139 is a Transport for London contracted bus route in London, England. Running between Golders Green and Waterloo stations, it is operated by Metroline.

History
In July 2016, Transport for London opened a public consultation on proposals for the route to be extended from West Hampstead to Golders Green as part of the Inner North West London Buses review. This took effect on 1 April 2017 with the route being extended to Golders Green and at the same was transferred from Metroline to London Sovereign.

When next tendered, the contract to operate the route was re-awarded to Metroline with the handover occurring on 29 August 2020.

Current route
Route 139 operates via these primary locations:
 * Golders Green station
 * Childs Hill
 * West Hampstead station
 * Abbey Road
 * St John's Wood
 * Baker Street station
 * Portman Square
 * Oxford Street
 * Oxford Circus station
 * Piccadilly Circus station
 * Trafalgar Square for Charing Cross station 
 * Aldwych
 * Waterloo station