Born and raised in Taupō, New Zealand, where both of her parents were English teachers at Tauhara College, Flynn is the eldest of the three siblings.
[1][2] Flynn began her career in print journalism for the Herald community group newspapers before working for Counties Manukau Radio station then reporting, presenting and producing for Prime TV's Waikato and Bay of Plenty regional news.
Flynn left the role at Nightline on 7 September 2007 to host TV3's short lived breakfast show, Sunrise.
[3] In 2012, she was appointed as co-host of Three consumer affairs show Target alongside Brooke Howard-Smith taking over from Janette Thomas.
In 2019, Flynn joined as a co-host for the Three Morning Show The Café as one of the hosts with Mel Homer.