Born in Troy, Michigan, Flint grew up in Henderson, Nevada, and was a 2015 NSCAA All-American at Coronado High School where she served as team captain and finished her prep career with 84 goals and 44 assists.

As a senior, she was named Gatorade Player of the Year for Nevada as she scored 56 goals and led her school to the Division I state championship.

[3][6] During the 2019 college offseason, Flint joined UWS club LA Galaxy OC, making two appearances as the team won the National Championship.

[11] Flint returned to Orlando following her loan spell ahead of the 2021 season, making her professional NWSL debut for the club on April 10, 2021, starting and scoring a 44th-minute equalizer in the team's Challenge Cup opener against Racing Louisville.

[12] In September 2020, having been unable to play for Orlando, Flint joined German Bundesliga club MSV Duisburg on loan for the rest of the year.

She received a straight red card for serious foul play in the 38th minute and later handed a four-game ban by the German FA.

[16] In two seasons with the club, Flint totaled four goals and three assists in 34 appearances, helping the Wave win the 2023 NWSL Shield and become the first expansion team to make the playoffs in its first year in 2022.

[3] Her older brother, Nick, played basketball collegiately for Doane Tigers and CSU Dominguez Hills Toros.