[2] Holmes returned to Adelaide United[5][6] for the first time since the 2014 W-League season where as she played only seven games.

In February 2019, Holmes returned to Adelaide City ahead of the 2019 WNPL (Women's National Premier Leagues) season.

[7] Holmes joined Swedish reigning champions Häcken ahead of the 2021 season, viewing the move as an opportunity "to play European football at a very high level".

[8] In December 2021, after making 15 appearances in all competitions for Häcken, Holmes returned to Australia, re-joining Adelaide United for the remainder of the 2021–22 A-League Women season.

[9] Holmes made her debut for the Australian national team on 13 April 2021, playing the second half of a 5–0 loss to the Netherlands in a friendly.