Upon landing, the passengers had to get off the aircraft through both emergency and normal exits, with some of them using chutes to leave the cabin which had become filled with smoke, The Sydney Morning Herald reported.
"Qantas flight 575 from Sydney to Perth returned to Sydney shortly after takeoff due to a hydraulic issue", Qantas Airways said in a statement.
Passengers took to Twitter to express their views of the incident.
According to SBS news, the captain informed passengers about the problem and ordered the evacuation.
Fire and emergency vehicles were on-site to attend to the scene.