[3][4][2] Between 2004 and 2010 she attended University College Cork where she gained a Bachelor of Commerce and Master of Science in Corporate Finance.

[15][16][17] O'Flynn also played and scored twice for Hermes in the 2012 Women's EuroHockey Club Champion's Challenge I final, defeating Lille Metropole 3–1.

[20][21] At the 2012 Women's Field Hockey Olympic Qualifier, O'Flynn was a prominent member of the Ireland team that finished as runners up to Belgium.

[2][22] Despite breaking her jaw during a game against Spain, O'Flynn finished the tournament as topscorer, after scoring eight goals in five matches, all from penalty corners.

[6][27] In December 2014 it was announce that O'Flynn had signed a professional contract with the IRFU to play for the Ireland women's national rugby sevens team.