Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 06/2018 |  | Adriana Leon | FW |  | Gotham FC | Gotham FC |
| 05/2018 |  | Alyssa Kleiner | DF | |||
| 03/2018 |  | Lydia Williams | GK |  | Melbourne City FC | Melbourne City |
| 03/2018 | | Lauren Barnes | DF | | Melbourne City FC | Melbourne City |
| 03/2018 | | Kristen McNabb | DF |  | Melbourne Victory | Melb. Victory |
| 03/2018 |  | Jessica Fishlock | MF | | Melbourne City FC | Melbourne City |
| 03/2018 |  | Jodie Taylor | FW | | Melbourne City FC | Melbourne City |
| 03/2018 | | Jaycie Johnson | FW | |||
| 03/2018 | | Adelaide Gay | GK |  | ÍB Vestmannaeyjar | ÍBV |
| 03/2018 | | Steph Catley | DF | | Melbourne City FC | Melbourne City |
| 01/2018 |  | Theresa Eslund | DF |  | Vålerenga IF | VIF |
| 01/2018 | | Michelle Betos | GK | | Vålerenga IF | VIF |
| 01/2018 | | Megan Montefusco | DF | |||
| 01/2018 | | Christen Westphal | DF |  | Boston Breakers | Boston Breakers |
| 01/2018 |  | Celia Jiménez | DF | |||
| 01/2018 |  | Vlatko Andonovski | MA | |||
| 01/2018 |  | Elizabeth Addo | MF |  | Kvarnsvedens IK | Kvarnsvedens IK |
| 01/2018 | | Morgan Andrews | MF | | Boston Breakers | Boston Breakers |
| 01/2018 | | Yael Averbuch | MF |  | FC Kansas City | FC Kansas City |
| 01/2018 | | Allie Long | MF |  | Portland Thorns | Portland Thorns |
| 01/2018 | | Jasmyne Spencer | FW |  | Orlando Pride | Orlando Pride |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 10/2018 | | Lydia Williams | GK | | Melbourne City FC | Melbourne City |
| 10/2018 | | Lauren Barnes | DF | | Melbourne City FC | Melbourne City |
| 10/2018 | | Steph Catley | DF | | Melbourne City FC | Melbourne City |
| 10/2018 | | Theresa Eslund | DF | | Melbourne City FC | Melbourne City |
| 10/2018 | | Elizabeth Addo | MF |  | Western Sydney Wanderers | Western Sydney |
| 10/2018 | | Jasmyne Spencer | FW | | Melbourne City FC | Melbourne City |
| 10/2018 | | Jodie Taylor | FW | | Melbourne City FC | Melbourne City |
| 09/2018 | | Jessica Fishlock | MF |  | OL Lyonnes | OL Lyonnes |
| 08/2018 | | Celia Jiménez | DF |  | FC Rosengård | FC Rosengård |
| 07/2018 | | Madeline Bauer | DF |  | Djurgårdens IF | Djurgårdens IF |
| 01/2018 |  | Rachel Corsie | DF |  | Utah Royals FC | Utah |
| 01/2018 | | Diana Matheson | MF | | Utah Royals FC | Utah |
| 01/2018 | | Christine Nairn | MF | | Orlando Pride | Orlando Pride |
| 01/2018 |  | Katie Johnson | FW | | Gotham FC | Gotham FC |
| 01/2018 | | Merritt Mathias | FW |  | NC Courage | NC Courage |