Welling railway station is situated in Welling, part of the London Borough of Bexley, and is served by the Bexleyheath Line, from .
The station was opened with the line on 1 May 1895. The station is located in Station Road, just off Bellegrove Road (which becomes Welling High Street). This is one of the stations on the line with original buildings: the offices here are on the Up side of the station. There are ticket barriers to both entrances.
All services at Welling are operated by Southeastern using , , and EMUs.
The typical off-peak service in trains per hour is:
During the peak hours, the service between London Charing Cross and Dartford is increased to 2 tph in each direction.
London Buses routes 51, 89, 96, 486, 624, 625, B15, B16 and night route N89 serve the station.