Griffiths began her career with Cardiff Met before signing for FA Women's Championship side Charlton Athletic in 2019. Following a move to Southampton in 2021, Griffiths helped the Saints to promotion to the Championship and to establish the south coast side in tier two, making over fifty appearances before a loan move to Durham in January 2025.

Griffiths made her Wales senior debut in 2017 with victory over Kazakhstan in a World Cup Qualifier, with the midfielder also making the Wales squad for the 2025 Euro Championships.

Griffiths made her debut as a second-half substitute against Real Bedford and will wear the number 29 for the Grecians