The best day to arrive at Perth is Friday and it would be best to avoid Saturday, as prices are on average 73.25% higher than on Friday. (Average prices, based on 274281 datapoints.)
MondayTHB 11.532
Mon
TuesdayTHB 11.412
Tue
WednesdayTHB 12.415
Wed
ThursdayTHB 15.860
Thu
FridayTHB 10.458
Fri
SaturdayTHB 18.119
Sat
SundayTHB 12.338
Sun
Analyse direct flights between Perth and Singapore.