The best day to arrive at Hanoi is Sunday and it would be best to avoid Wednesday, as prices are on average 173.87% higher than on Sunday. (Average prices, based on 212446 datapoints.)
MondayUS $ 87
Mon
TuesdayUS $ 94
Tue
WednesdayUS $ 105
Wed
ThursdayUS $ 68
Thu
FridayUS $ 101
Fri
SaturdayUS $ 46
Sat
SundayUS $ 38
Sun
Analyse direct flights between Hanoi and Singapore.