[1] She is the youngest of four children born to Lyn (née Blurton) and Ray Dellar, who worked in the mining industry.

[3] In July 2013 she won Liberal preselection for the federal seat of Durack, following the retirement of the incumbent MP Barry Haase.

[4] She retained Durack for the Liberals at the September 2013 federal election, with the Nationals candidate Shane van Styn finishing second on the two-candidate-preferred count.

[1] She was re-elected at the 2016 federal election, despite being challenged for Liberal preselection by geologist and global warming denier David Archibald.

In the lead-up to the 2019 federal election, she was "front and centre of Scott Morrison's push to highlight his government’s environmental records and policies including a $3.3bn Climate Solutions Fund and a commitment to Snowy Hydro 2.0".

[14] In April 2019, Price gave ministerial approval to an environmental management plan for the Adani Group's controversial Carmichael coal mine in Queensland.

[17] Following the Coalition's re-election at the 2019 federal election, Price was removed from cabinet but retained in the outer ministry as Minister for Defence Industry.

[1] This was widely reported as a demotion,[18] with the Australian Financial Review stating that she had been "unable to comfortably answer media questions about her portfolio".

[20] In March 2021, Morrison reappointed Price to cabinet, seeking to increase the proportion of women in the wake of sexual misconduct allegations.

Price caused controversy in her role as Environment Minister by allegedly telling Anote Tong, the former president of Kiribati and climate change advocate, "I know why you're here.