Cheap flights from Hanoi to Hong Kong from R1 931

In general, November is the cheapest month to fly from Hanoi to Hong Kong. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around R2 597. If you’re not able to fly to Hong Kong in November, then March is your next best option. Flight prices from Hanoi to Hong Kong during March average around R2 840.

Our data shows that Friday is the least expensive day to fly to Hong Kong. Tickets to fly out on this day can be as low as R4 698. The most expensive day to fly to Hong Kong is Wednesday, with ticket prices averaging around R17 718.

According to our data, the cheapest time of day to fly to Hong Kong is in the morning. momondo users have found flights departing from Hanoi to Hong Kong in the morning for as low as R3 433. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets in the evening because they tend to be around R17 630. Of course, these prices can vary depending on the time of year and what airport you fly to.

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 R3 236 when searching weeks before you fly. 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 R2 012 on momondo.

There is only 1 cabin class 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.

Historically, on average around 20% 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 122 minutes.

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

Monday is statistically the day of the week that experiences the fewest 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 fewest delays on this route over the last 12 months, with about 11% of their flights experiencing any sort of delay.

5 flights are operational daily from Hanoi to Hong Kong as of September 2026. The most popular departure time for this route is 10:00, with 56% of flights per day taking off at midday.

37 flights are operational weekly from Hanoi to Hong Kong as of September 2026. The most popular departure day for this route is Mon, with 30% of flights per week taking off on this day.