The best day to arrive at Brisbane is Saturday and it would be best to avoid Monday, as prices are on average 106.1% higher than on Saturday. (Average prices, based on 313935 datapoints.)
MondayAUD 593
Mon
TuesdayAUD 388
Tue
WednesdayAUD 415
Wed
ThursdayAUD 368
Thu
FridayAUD 332
Fri
SaturdayAUD 288
Sat
SundayAUD 344
Sun
Analyse direct flights between Brisbane and Perth.