Bus Service 403 was the first bus route in Pasir Ris from 1979, which previously terminated at Tampines Road terminus before being amended to the current route of looping at Pasir Ris Road.

Services under the Loyang Bus Package started operations on 18 September 2016.

[3] Redevelopment of Pasir Ris Bus Interchange has started since 2019.

The bus interchange underwent a reconfiguration on 3 July 2021, after which the western half of the old bus interchange will be demolished to facilitate the construction of the Pasir Ris Integrated Transport Hub and Pasir Ris Rail Turnback, which will be completed by 2025, five years before the Cross Island MRT line starts operations.

[4][5][6] The reconfigured interchange began operations on 3 July 2021 with inclusive facilities built as part of the relocation.