The best month to arrive at Hanoi is March and the most expensive month to fly is October. (Average prices, based on 1447 datapoints.)
The best day to arrive at Hanoi is Tuesday and it would be best to avoid Friday, as prices are on average 30.73% higher than on Tuesday. (Average prices, based on 500 datapoints.)
The cheapest airline flying to Hanoi is Thai AirAsia. They are 65% cheaper than Thai Airways. (Average prices, based on 1543 datapoints.)
At Hanoi the most flights depart around 13:00. (Hourly flights, based on 1571 datapoints.)
From Hanoi it is on average the cheapest to fly to Kuala Lumpur and to Denpasar Bali. (Average prices, based on 388 datapoints.)