The best day to arrive at Brisbane is Saturday and it would be best to avoid Wednesday, as prices are on average 97.5% higher than on Saturday. (Average prices, based on 314060 datapoints.)
MondayAUD 455
Mon
TuesdayAUD 455
Tue
WednesdayAUD 568
Wed
ThursdayAUD 368
Thu
FridayAUD 332
Fri
SaturdayAUD 288
Sat
SundayAUD 344
Sun
Analyse direct flights between Brisbane and Perth.