Southend Airport railway station is on the Shenfield to Southend Line in the East of England, serving London Southend Airport, the village of Sutton and northern parts of Southend-on-Sea. It is 39 miles 44 chains (63.65 km) down the line from London Liverpool Street and is situated between Rochford and Prittlewell. Train services provide an airport rail link between Southend Airport and Central London.

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Southend Airport
The station in 2012
General information
Location	London Southend Airport, Rochford England
Coordinates	51.5687°N 0.7052°E / 51.5687; 0.7052
Grid reference	TQ875890
Managed by	London Southend Airport
Platforms	2
Other information
Station code	SIA
Key dates
18 July 2011	Opened
Passengers
2018/19	0.611 million
2019/20	0.757 million
2020/21	64,524
2021/22	0.126 million
2022/23	0.141 million
Notes
Passenger statistics from the Office of Rail and Road

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The station is managed by London Southend Airport but the trains serving it are operated by Greater Anglia.^[1] The Engineer's Line Reference for the line is SSV; the station's three-letter station code is SIA. The platforms have an operational length for 12-coach trains.

When Southend Airport officially opened as a municipal airport in 1935, the mayor of Southend suggested that it would be a good idea to open a railway station to serve the airport. For the first 75 years of the airport's operation, the nearest railway station was Rochford. After Southend Borough Council sold the airport to Regional Airports Ltd, a scheme was proposed in 1997 to build a station, and planning permission was obtained from Rochford District Council. It was not until 2008 that the Stobart group began to advance the project, and construction began in late 2009. The station was originally planned to open in 2009, but the opening date was postponed several times. In June 2011, National Express trains began stopping at the station, but passengers were initially not permitted to get off.^[2][3][1]

The station was designed by Atkins and constructed by Birse Rail; it was opened by the Transport Minister Theresa Villiers in 2011.^[4] A new terminal building adjoining the station opened in 2012.

The typical Monday-Saturday off-peak service is:

• 2 trains per hour (tph) to London Liverpool Street, calling at all stations to Shenfield then Stratford and Liverpool Street.
• 1 tph to London Liverpool Street, calling at all stations to Shenfield then Romford, Stratford and Liverpool Street.
• 3 tph to Southend Victoria, calling at Prittlewell and Southend Victoria.

Since the Crossrail project was completed in 2023, interchange is provided with the Elizabeth line at Shenfield, Stratford and Liverpool Street, providing onward connections to central London and Heathrow Airport. Glyn Jones, chief executive of Stobart Aviation, proposed in 2018 that Crossrail should be extended to Southend Airport to alleviate capacity problems at Heathrow.^[5]