At the club level, Sunday has previously played for Sunshine Queens and Pelican Stars in the Nigerian Women's Championship, as well as FC Minsk in the Belarusian Premier League.

Esther Sunday previously played for the Sunshine Queens and Pelican Stars, both in the Nigerian Women's Championship, before going on to join FC Minsk of the Belarusian Premier League.

[7] In the beginning of the 2016–17 Women's First League's second half, she transferred to the Izmir-based club Konak Belediyespor.

[8] She debuted at the UEFA Women's Champions League, and took part in the three matches of the 2017–18 qualifying round.

She was also a member of the team which took part in the 2015 FIFA Women's World Cup, but did not progress past the group stage.