The best day to arrive at Hanoi is Tuesday and it would be best to avoid Monday, as prices are on average 49.65% higher than on Tuesday. (Average prices, based on 533286 datapoints.)
MondayNZD 259
Mon
TuesdayNZD 173
Tue
WednesdayNZD 227
Wed
ThursdayNZD 185
Thu
FridayNZD 181
Fri
SaturdayNZD 176
Sat
SundayNZD 191
Sun
Analyse direct flights between Hanoi and Hong Kong.