Travelling from most locations, it is best to book your flight to Hong Kong during the month of March for the best deal, although there are other times of the year which offer great deals as well.
In general, most flyers find the cheapest time to book a flight to Hong Kong is about 38 days prior.
Most of our users find that booking their departure to Hong Kong on a Tuesday is the cheapest. Conversely, departing on a Saturday seems to be the most expensive.
In general, when looking for the cheapest flight to Hong Kong, our data indicates that morning flights are the most cost-effective. midday flights tend to be the most expensive.