In general, when looking for the cheapest flight to Hanoi, try to choose a flight departing in September for the best deal.
From most locations, to find the best deals on airfare, our data shows that users booking 57 days before flying found the cheapest flight to Hanoi.
From most locations, the cheapest flights to Hanoi are found on a Tuesday. Booking a Sunday departure is usually the most expensive.
Our data shows that the cheapest Hanoi flights are usually those with noon departure times. afternoon flights are often costlier.