The best day to arrive at Singapore is Tuesday and it would be best to avoid Sunday, as prices are on average 629.71% higher than on Tuesday. (Average prices, based on 230205 datapoints.)
MondayTHB 23.372
Mon
TuesdayTHB 10.226
Tue
WednesdayTHB 23.566
Wed
ThursdayTHB 14.321
Thu
FridayTHB 22.415
Fri
SaturdayTHB 12.771
Sat
SundayTHB 74.620
Sun
Analyse direct flights between Singapore and Perth.