The best day to arrive at Brisbane is Saturday and it would be best to avoid Monday, as prices are on average 39.21% higher than on Saturday. (Average prices, based on 314398 datapoints.)
MondayUS $ 270
Mon
TuesdayUS $ 270
Tue
WednesdayUS $ 262
Wed
ThursdayUS $ 248
Thu
FridayUS $ 224
Fri
SaturdayUS $ 194
Sat
SundayUS $ 232
Sun
Analyse direct flights between Brisbane and Perth.