The best day to arrive at Hanoi is Sunday and it would be best to avoid Wednesday, as prices are on average 325.98% higher than on Sunday. (Average prices, based on 207652 datapoints.)
MondayNZD 205
Mon
TuesdayNZD 178
Tue
WednesdayNZD 266
Wed
ThursdayNZD 110
Thu
FridayNZD 164
Fri
SaturdayNZD 75
Sat
SundayNZD 62
Sun
Analyse direct flights between Hanoi and Singapore.