Cheap flights from Hanoi to Hong Kong from $80

The month of September is, on average, the cheapest month to fly to Hong Kong from Hanoi, with most prices found around $148. The month of November is another great option to travel to Hong Kong, with average flight prices from Hanoi averaging around $157.

The cheapest day to depart from Hanoi to Hong Kong is on a Wednesday. Travelers who choose to depart for Hong Kong on a Wednesday will often find tickets for as low as $202. The most expensive day to fly to Hong Kong is Tuesday, with ticket prices averaging around $1,020.

The cheapest time of day to fly to Hong Kong is in the morning when flights can be purchased for as low as $250. In the evening is when there is more demand to fly to Hong Kong, so prices are often more expensive at around $910 per ticket.

Fly from Hanoi Noibai to Hong Kong Intl for the best Hanoi Noibai - Hong Kong Intl flight prices

You are more likely to see cheaper flights to Hong Kong from Hanoi when booking weeks ahead of your departure date. In general, you can expect to find flights to Hong Kong for around $191 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Hong Kong from Hanoi for as low as $113 on momondo.

There are 3 cabin classes available to choose from on Hanoi to Hong Kong flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

HK Express, Vietnam Airlines, and VietJet Air are the most popular carriers operating from Hanoi Noibai to Hong Kong Intl

HK Express, Cathay Pacific and Vietnam Airlines are the top three most popular airlines that fly to Hong Kong from Hanoi according to our data. HK Express is the first choice among our users, with 55% of people opting to fly with this airline when traveling to Hong Kong. Keep in mind that there are 4 different airlines that fly to Hong Kong on a routine basis, so you have a few additional options to choose from.

Historically, on average around 21% of flights between Hanoi and Hong Kong have experienced a delay on any given week. The average delay length over the past 12 months has been 121 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights in the early afternoon have, in the past, seen delays more frequently in comparison.

Monday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

According to our data, HK Express have had the least number of delays on this route over the last 12 months; with about 11% of their flights experiencing any sort of delay.

8 flights are operational daily from Hanoi to Hong Kong as of August 2026. The most popular departure time for this route is 10:00AM, with 70% of flights per day taking off at noon.

The number of flights available between Hanoi and Hong Kong is 61 per week as of August 2026. The most frequent departure day is Fri, with 21% of weekly flights leaving on this day.