The best day to arrive at Hanoi is Sunday and it would be best to avoid Thursday, as prices are on average 655.59% higher than on Sunday. (Average prices, based on 205254 datapoints.)
MondayNZD 409
Mon
TuesdayNZD 263
Tue
WednesdayNZD 464
Wed
ThursdayNZD 474
Thu
FridayNZD 165
Fri
SaturdayNZD 76
Sat
SundayNZD 63
Sun
Analyse direct flights between Hanoi and Singapore.