The best day to arrive at Hanoi is Saturday and it would be best to avoid Tuesday, as prices are on average 39.9% higher than on Saturday. (Average prices, based on 606280 datapoints.)
Mon
Monday€ 117
Tue
Tuesday€ 120
Wed
Wednesday€ 106
Thu
Thursday€ 90
Fri
Friday€ 88
Sat
Saturday€ 86
Sun
Sunday€ 93
Analyse direct flights between Hanoi and Hong Kong.
