The track, 'Billion Lights', will be taken from boy band's final album 'Goodbye: The Greatest Hits', reported Digital Spy.
However, the album will follow a week later on November 18 and feature their biggest singles till date.
The collection will include their five number one singles 'Beat Again', 'Everybody In Love', 'The Club Is Alive', 'Love You More' and 'She Makes Me Wanna'.
JLS' farewell tour will start in Belfast on December 1 and finish at London's O2 Arena on December 22.