Q: How much does it cost for a return flight from Hong Kong to Hanoi?

Airfare is below average for this route at the moment. Hong Kong to Hanoi flights typically cost between HK$1,029 and HK$1,824 in September. The cheapest return flight price found within the last 3 days was HK$935 on HK Express (20 Sept-27 Sept). Find deals

Question 1

How much does it cost for a return flight from Hong Kong to Hanoi?

Accepted Answer

Airfare is below average for this route at the moment.Hong Kong to Hanoi flights typically cost between HK$1,029 and HK$1,824 in September.
The cheapest return flight price found within the last 3 days was HK$935 on HK Express (20 Sept-27 Sept). Find deals

Question 2

How popular is this Hong Kong to Hanoi flight route?

Accepted Answer

Flights from Hong Kong Intl to Hanoi Noibai have been viewed 631 times in the past calendar month. Find deals

Question 3

How long is the flight from Hong Kong to Hanoi?

Accepted Answer

HK Express can get you from Hong Kong to Hanoi in just under 2h 20m. Your travel time will be generally consistent. There are 845 km between Hong Kong and Hanoi. Most flights are nonstop. Find deals

Question 4

What are the cheapest airlines flying from Hong Kong to Hanoi round-trip?

Accepted Answer

Flying on HK Express is currently your cheapest option to Hanoi, with prices starting at HK$911. Additional round-trip tickets that might be worth considering are offered by Cathay Pacific and Vietnam Airlines, with the lowest prices starting at HK$1,041 and HK$1,259, respectively. HK Express is priced at 27% lower than the current average price of a flight leaving 3 months from now. Find deals

Question 5

How far ahead should I book a flight from Hong Kong to Hanoi?

Accepted Answer

Booking 81 days in advance of your planned departure date is, on average, the best time to get cheap flights from Hong Kong to Hanoi. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Question 6

What is the cheapest month to book a flight from Hong Kong to Hanoi?

Accepted Answer

Currently, December is the cheapest month in which you can book a flight from Hong Kong to Hanoi (average of HK$126). Flying from Hong Kong to Hanoi in April is currently the most expensive (average of HK$160). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Question 7

What is the cheapest day to fly from Hong Kong to Hanoi?

Accepted Answer

Travellers seeking maximum savings on their Hong Kong to Hanoi flight should consider departing on Monday mornings when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Question 8

Weekly flight availability from Hong Kong to Hanoi

Accepted Answer

The most flights from HKG to HAN are scheduled on a Thursday (14 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (6 on average).

Question 9

E

Accepted Answer

In terms of precipitation, rainfall in Hanoi ranges from 14.0 - 296.0 inches per month. August is typically the wettest month, when rainfall can reach 296.0 mm. December is typically the driest time to visit Hanoi when rainfall is around 14.0 mm.

Question 10

E

Accepted Answer

If weather is an important factor for your trip to Hanoi, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 17.0 C).

Question 11

What are the cheapest flights from Hong Kong to Hanoi?

Accepted Answer

The cheapest flight price from Hong Kong to Hanoi is HK$469. On average you can expect to pay HK$807. The most popular route, (Hong Kong Intl - Hanoi Noibai), can usually be booked for HK$1,247.

Question 12

What are the most reliable airlines from Hong Kong to Hanoi?

Accepted Answer

Consider British Airways (86%), HK Express (80%) or Qatar Airways (59%) when booking your flight. These represent the most reliable airlines when flying from Hong Kong to Hanoi.

Question 13

What are the most popular airlines that fly from Hong Kong to Hanoi?

Accepted Answer

Before booking your flight from Hong Kong to Hanoi, check out the most popular airlines for this route: Cathay Pacific, HK Express or Vietnam Airlines.

Question 14

What is the cheapest day to fly return from Hong Kong to Hanoi?

Accepted Answer

Sunday is generally a great day to depart. Flying on this day could help you save up to 51%.

Question 15

How far in advance should I book a flight from Hong Kong to Hanoi?

Accepted Answer

To save on the cost of your flight from Hong Kong to Hanoi, book at least 46 days before your planned departure. Booking around this time can save you about 12% on the cost of this flight compared to booking a flight leaving this week. We have found prices from HK$1,052 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as HK$1,426.

Question 16

What is the cheapest month to fly from Hong Kong to Hanoi?

Accepted Answer

Flights from Hong Kong to Hanoi lean towards being more expensive in January. Prices are generally better when you fly from Hong Kong to Hanoi in March, with the cheapest ticket starting at HK$920.

Question 17

What is the cheapest time of day to fly from HKG to HAN?

Accepted Answer

Unlike in the afternoon, when flights are generally more expensive, you can save up to 50% on flights from Hong Kong to Hanoi by exploring options for tickets in the morning.

Question 18

What airports do I use to fly from Hong Kong to Hanoi?

Accepted Answer

To fly from Hong Kong to Hanoi, you need to book a flight from Hong Kong Intl (HKG) to Noibai (HAN). Nonstop flights to Hanoi Noibai from Hong Kong Intl take 2h 05m on average. When it comes time to book airfare, you have a few options: there are 10 outbound flights from Hong Kong Intl to Noibai offered by 3 different airlines.

Question 19

Can I find deals for flights from Hong Kong to Hanoi that include hotel bookings?

Accepted Answer

Yes. In addition to deals on Hong Kong to Hanoi flights, Cheapflights offers holiday packages that include both flights and hotel.

Question 20

How can I find direct flights from Hong Kong to Hanoi?

Accepted Answer

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Hong Kong to Hanoi.

Question 21

Can I find deals for business class flights from Hong Kong to Hanoi?

Accepted Answer

Yes. Cheapflights offers flight deals from Hong Kong to Hanoi by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Question 22

How does Cheapflights help users find flights from Hong Kong to Hanoi?

Accepted Answer

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Hong Kong to Hanoi. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Question 23

Why should you use Cheapflights to find cheap flight tickets from Hong Kong to Hanoi?

Accepted Answer

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Hanoi from Hong Kong.

Question 24

Can Cheapflights find flights from Hong Kong to Hanoi with no change fees?

Accepted Answer

Users can book flights with no change fees policies with our dedicated filters. Book flights from Hong Kong to Hanoi flexibly with Cheapflights today.

Question 25

Can Cheapflights notify me if prices for flights from Hong Kong to Hanoi become cheaper?

Accepted Answer

Of course! You can now track prices for flights from Hong Kong to Hanoi and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

Round-trip from	HK$935
One-way from	HK$475
Popular in	January
Cheapest in	March
Average price	HK$1,075
Good round-trip deal	HK$931 or less
Good one-way deal	HK$502 or less

Airline	Cheapest	Average	Flexibility	On-time
HK Express	CheapestHK$911	AverageHK$1,072	FlexibilityNo cancel fee	On-time90%	Search HK Express flights
Cathay Pacific	CheapestHK$1,041	AverageHK$2,279	FlexibilityNo cancel fee	On-time72%	Search Cathay Pacific flights
Vietnam Airlines	CheapestHK$1,259	AverageHK$1,801	FlexibilityNo cancel fee	On-time81%	Search Vietnam Airlines flights

Cheap flights from Hong Kong to Hanoi from HK$475

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 18-9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from Hong Kong Intl to Hanoi Noibai are usually found in March or November, booked 81 days in advance, depart on a Monday or Tuesday and return on a Wednesday

Cheap flight deals from Hong Kong to Hanoi

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Hong Kong to Hanoi

Cheapest flights from Hong Kong to HanoiExplore the most affordable flight options available from Hong Kong to Hanoi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 August 2025.

Explore the most affordable flight options available from Hong Kong to Hanoi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 August 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Hong Kong to Hanoi that are best for you.

Best time to book a flight from Hong Kong to Hanoi

Have a flexible travel schedule? Discover the best time to fly to Hanoi from Hong Kong with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Hong Kong to Hanoi

How far ahead should I book a flight from Hong Kong to Hanoi?

What is the cheapest month to book a flight from Hong Kong to Hanoi?

What is the cheapest time of day to fly from HKG to HAN?

How much does it cost for a return flight from Hong Kong to Hanoi?

Weekly flight availability from Hong Kong to Hanoi

Reviews of airlines servicing Hanoi

Get insights into the airlines that provide service to Hanoi. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Hanoi. Reviews last updated 29 August 2025.

See what other customers who have flown with Cathay Pacific and Vietnam Airlines from Hong Kong to Hanoi have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Hong Kong to Hanoi. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airports do I use to fly from Hong Kong to Hanoi?

How popular is this Hong Kong to Hanoi flight route?

How long is the flight from Hong Kong to Hanoi?

What are the cheapest airlines flying from Hong Kong to Hanoi round-trip?

What are the most reliable airlines from Hong Kong to Hanoi?

What are the cheapest flights from Hong Kong to Hanoi?

Can I find deals for flights from Hong Kong to Hanoi that include hotel bookings?

How can I find direct flights from Hong Kong to Hanoi?

Can I find deals for business class flights from Hong Kong to Hanoi?

What is the cheapest month to book a flight from Hong Kong to Hanoi?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly from Hong Kong to Hanoi on these airlines

Choose from the following airlines for your flight from Hong Kong to Hanoi. Flights are based on user searches made on Cheapflights and were last updated on 29 August 2025.

Top 3 airlines flying from Hong Kong to Hanoi

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Hong Kong to Hanoi?

Why should you use Cheapflights to find cheap flight tickets from Hong Kong to Hanoi?

Can Cheapflights find flights from Hong Kong to Hanoi with no change fees?

Can Cheapflights notify me if prices for flights from Hong Kong to Hanoi become cheaper?

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Hong Kong to Hanoi
Explore the most affordable flight options available from Hong Kong to Hanoi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 August 2025.