The best day to arrive at Singapore is Sunday and it would be best to avoid Tuesday, as prices are on average 977.43% higher than on Sunday. (Average prices, based on 236501 datapoints.)
MondayNZD 586
Mon
TuesdayNZD 1271
Tue
WednesdayNZD 624
Wed
ThursdayNZD 407
Thu
FridayNZD 366
Fri
SaturdayNZD 220
Sat
SundayNZD 118
Sun
Analyse direct flights between Singapore and Hanoi.