Önal was born on 1 February 1990 in Istanbul. Her father Erhan Önal is a former football player who played for Bayern Munich and Galatasaray. Her mother, Mine Baysan, is a former model. Her parents divorced when she was 9 years old. After graduating from Saint-Benoît French High School, she enrolled in Istanbul Bilgi University and finished her studies there.
Her first recognizable role was on youth series Elde Var Hayat in 2010, in which she portrayed the character of Yeliz. She was then cast in period series Benim Adım Gültepe alongside Ayça Bingöl, Mete Horozoğlu, İlker Kızmaz and Ekin Koç. Her portrayal of the character Nazlı served as a breakthrough in her career.
In the 2020 Netflix series "Ethos" ("Bir Başkadır" in Turkish), Önal plays Hayrunnisa, the hodja's daughter, a character who loves her traditional parents, but who also seeks to choose to leave her village to get a college education, likes "foreign" music, and has a relationship with another woman.[citation needed]
Filmography
- 2018 — Bozkır — Tülay — Leading role
- 2020 — Hakan: Muhafız — Berrin — Seasons 3–4
- 2020 — Bir Başkadır — Hayrünnisa — Supporting role
- 2021 — Yeşilçam — Gazel — Supporting role
- TBA — Erşan Kuneri
- 2007 — Kısmetim Otel — Gizem
- 2010 — Elde Var Hayat — Yeliz — Recurring role
- 2010 — Halil İbrahim Sofrası — Didem — Recurring role
- 2011–2012 — Muhteşem Yüzyıl — Rita — Recurring role
- 2014 — Yasak — Justine — Recurring role
- 2014 — Benim Adım Gültepe — Nazlı — Leading role
- 2015 — Maral: En Güzel Hikayem — Alara Görkem — Supporting role
- 2016 — Göç Zamani — Didem — Supporting role
- 2017 — Bodrum Masalı — Lal — Supporting role
- 2018 — Tehlikeli Karım — Seda Çelik — Leading role
- 2020–2021 — Sen Çal Kapımı — Selin Atakan — Supporting role
- 2017 — Olanlar Oldu — Gizem — Supporting role
- 2017 — Martıların Efendisi — Rüya/Birgül — Leading role
- 2021 — Sen Ben Lenin — Nihal — Leading role
- TBA — 10 Saniye — Elif — Leading role
