It is the terminus of the Seaford branch line of the East Coastway line, 58 miles 77 chains (94.9 km) measured from London Bridge.

The London, Brighton & South Coast Railway opened Seaford station on 1 June 1864.

It was designed as a through station for a proposed extension to Eastbourne that was never built.

The box was damaged by the salt air from the nearby sea, and was dangerously unstable; it was demolished in February 2002.

[2] As of August 2021[update] the typical off-peak service pattern is two trains per hour to Brighton via Lewes, seven days a week.