The best day to arrive at Singapore is Thursday and it would be best to avoid Sunday, as prices are on average 239.34% higher than on Thursday. (Average prices, based on 230734 datapoints.)
MondayAUD 1199
Mon
TuesdayAUD 2032
Tue
WednesdayAUD 1350
Wed
ThursdayAUD 909
Thu
FridayAUD 1676
Fri
SaturdayAUD 1079
Sat
SundayAUD 3085
Sun
Analyse direct flights between Singapore and Perth.