The best day to arrive at Hong Kong is Monday and it would be best to avoid Wednesday, as prices are on average 91.18% higher than on Monday. (Average prices, based on 307014 datapoints.)
MondayUS $ 72
Mon
TuesdayUS $ 127
Tue
WednesdayUS $ 137
Wed
ThursdayUS $ 134
Thu
FridayUS $ 120
Fri
SaturdayUS $ 120
Sat
SundayUS $ 137
Sun
Analyse direct flights between Hong Kong and Hanoi.