How often are flights from Hong Kong to Hanoi delayed?

About 22% of weekly flights between Hong Kong and Hanoi have experienced delays in the past year, with the average delay time being 105 minutes. Find deals

What is the most punctual flight time for Hong Kong to Hanoi flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often. Find deals

What day of the week experiences the fewest flight delays on this route?

Sunday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week. Find deals

Which airline has the best punctuality record on Hong Kong to Hanoi flights?

Over the past year, HK Express have had the lowest number of delays on this route, with just 9% of flights being delayed. Find deals

How popular is this Hong Kong to Hanoi flight route?

Flights from Hong Kong Intl to Hanoi Noibai have been viewed 463 times in the past calendar month.

How long is the flight from Hong Kong to Hanoi?

HK Express and Vietnam Airlines can get you from Hong Kong to Hanoi in just under 2h 05m. Your travel time will be generally consistent. There are 845 km between Hong Kong and Hanoi. Most flights are nonstop.

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

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 Hong Kong Airlines, with the lowest prices starting at HK$963 and HK$1,154, respectively. HK Express is priced at 31% lower than the current average price of a flight leaving 3 months from now.

What are the cheapest airlines to fly from Hong Kong to Hanoi one-way?

The cheapet airlines for a one-way flight from Hong Kong to Hanoi are HK Express (HK$470), Vietnam Airlines (HK$808), and Cathay Pacific (HK$1,113).

Weekly flight availability from Hong Kong to Hanoi

The most flights from HKG to HAN are scheduled on a Saturday (15 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (7 on average).

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.

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).

What are the cheapest flights from Hong Kong to Hanoi?

The cheapest flight price from Hong Kong to Hanoi is HK$551. On average you can expect to pay HK$1,044. The most popular route, (Hong Kong Intl - Hanoi Noibai), can usually be booked for HK$1,117.

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

Consider Air Canada (89%), Finnair (89%) or Qatar Airways (77%) when booking your flight. These represent the most reliable airlines when flying from Hong Kong to Hanoi.

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

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

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

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 11 outbound flights from Hong Kong Intl to Noibai offered by 4 different airlines.

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

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

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

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.

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

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.

HK$594+ Flights from Hong Kong to Hanoi

Cheapflights Tip: The best prices from Hong Kong Intl to Hanoi Noibai are usually found in June or August, booked 86 days in advance, depart on a Friday or Wednesday and return on a Monday

Cheap flight deals from Hong Kong to Hanoi

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

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 2 February 2026.

Mon 16-307:40

HKG

HAN

Nonstop2h 10m

HK Express

Mon 13-409:35

HAN

HKG

Nonstop2h 05m

HK Express

Deal found 1-2HK$1,047

Tue 17-320:05

HKG

HAN

Nonstop2h 05m

HK Express

Tue 24-309:35

HAN

HKG

Nonstop2h 00m

HK Express

Deal found 31-1HK$1,055

Wed 15-407:40

HKG

HAN

Nonstop2h 10m

HK Express

Mon 27-409:35

HAN

HKG

Nonstop2h 05m

HK Express

Deal found 31-1HK$1,062

Wed 18-307:40

HKG

HAN

Nonstop2h 10m

HK Express

Wed 25-309:35

HAN

HKG

Nonstop2h 00m

HK Express

Deal found 1-2HK$1,070

Sat 25-407:40

HKG

HAN

Nonstop2h 10m

HK Express

Wed 29-409:35

HAN

HKG

Nonstop2h 05m

HK Express

Deal found 1-2HK$1,078

Mon 27-407:40

HKG

HAN

Nonstop2h 10m

HK Express

Sat 2-509:35

HAN

HKG

Nonstop2h 05m

HK Express

Deal found 1-2HK$1,086

Thu 30-407:40

HKG

HAN

Nonstop2h 10m

HK Express

Fri 1-509:35

HAN

HKG

Nonstop2h 05m

HK Express

Deal found 1-2HK$1,094

Sun 29-307:40

HKG

HAN

Nonstop2h 10m

HK Express

Fri 10-409:35

HAN

HKG

Nonstop2h 05m

HK Express

Deal found 1-2HK$1,102

Mon 13-407:40

HKG

HAN

Nonstop2h 10m

HK Express

Mon 4-509:35

HAN

HKG

Nonstop2h 05m

HK Express

Deal found 1-2HK$1,109

Thu 12-307:40

HKG

HAN

Nonstop2h 10m

HK Express

Mon 16-309:35

HAN

HKG

Nonstop2h 00m

HK Express

Deal found 31-1HK$1,117

Fri 17-407:40

HKG

HAN

Nonstop2h 10m

HK Express

Sun 10-509:35

HAN

HKG

Nonstop2h 05m

HK Express

Deal found 1-2HK$1,125

Thu 16-407:40

HKG

HAN

Nonstop2h 10m

HK Express

Thu 7-509:35

HAN

HKG

Nonstop2h 05m

HK Express

Deal found 1-2HK$1,133

Find flight deals from Hong Kong to Hanoi

Round-trip from	HK$1,047
One-way from	HK$594
Popular in	January
Cheapest in	June
Average price	HK$1,695
Good round-trip deal	HK$1,099 or less
Good one-way deal	HK$572 or less

HK Express
16-3-13-4
Nonstop
4h 15m total
Hong Kong to Hanoi

Search Deals

HK Express
3-3
Nonstop
2h 05m total
Hong Kong to Hanoi

Search Deals

Highest demand for flights based on searches. 22% potential increase in price (HK$3,007 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (HK$399 potential savings vs. average return price).

Search Deals

Average for round-trip flights in February 2026

Search Deals

Price to beat on a round-trip flight from Hong Kong Intl to Hanoi Noibai.

Search Deals

Price to beat on a one-way flight from Hong Kong Intl to Hanoi Noibai.

Search Deals

Fly from

Fly to

Route

Departure

Return

Price

Hong KongHanoi

HKG - HAN

HKGHAN

Hong Kong Intl

Thu 19-3

07:40-08:50

Nonstop2h 10m

Hanoi Noibai

Thu 26-3

09:35-12:35

Nonstop2h 00m

HK$1,086

Hong KongHanoi

HKG - HAN

HKGHAN

Hong Kong Intl

Tue 17-2

20:05-21:10

Nonstop2h 05m

Hanoi Noibai

Thu 19-2

09:35-12:35

Nonstop2h 00m

HK$1,422

Hong KongHanoi

HKG - HAN

HKGHAN

Hong Kong Intl

Sun 31-5

14:30-15:35

Nonstop2h 05m

Hanoi Noibai

Wed 3-6

10:25-13:30

Nonstop2h 05m

HK$1,836

Hong KongHanoi

HKG - HAN

HKGHAN

Hong Kong Intl

Fri 1-5

14:30-15:35

Nonstop2h 05m

Hanoi Noibai

Tue 5-5

10:25-13:30

Nonstop2h 05m

HK$1,836

Hong KongHanoi

HKG - HAN

HKGHAN

Hong Kong Intl

Thu 21-5

14:30-15:35

Nonstop2h 05m

Hanoi Noibai

Sun 24-5

10:25-13:30

Nonstop2h 05m

HK$1,836

Hong KongHanoi

HKG - HAN

HKGHAN

Hong Kong Intl

Tue 28-4

14:30-15:35

Nonstop2h 05m

Hanoi Noibai

Fri 1-5

10:25-13:30

Nonstop2h 05m

HK$1,898

Hong KongHanoi

HKG - HAN

HKGHAN

Hong Kong Intl

Mon 16-2

20:05-21:10

Nonstop2h 05m

Hanoi Noibai

Fri 20-2

09:35-12:35

Nonstop2h 00m

HK$2,094

Hong KongHanoi

HKG - HAN

HKGHAN

Hong Kong Intl

Sun 31-5

23:15-00:45

1 stop26h 30m

Hanoi Noibai

Tue 2-6

01:45-12:35

1 stop9h 50m

HK$2,195

Hong KongHanoi

HKG - HAN

HKGHAN

Hong Kong Intl

Fri 1-5

14:30-15:35

Nonstop2h 05m

Hanoi Noibai

Sun 3-5

17:00-17:25

1 stop23h 25m

HK$2,234

Hong KongHanoi

HKG - HAN

HKGHAN

Hong Kong Intl

Wed 29-4

14:30-15:35

Nonstop2h 05m

Hanoi Noibai

Mon 4-5

05:00-17:25

1 stop11h 25m

HK$2,234

Flights are sorted by cheapest return flights first.

Deals found on 1-2

Showing 1-10 of 22 results

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.

HKG-HAN

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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

Prices

Airlines

Delays

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

Booking 86 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.

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

Currently, June is the cheapest month in which you can book a flight from Hong Kong to Hanoi (average of HK$820). Flying from Hong Kong to Hanoi in January is currently the most expensive (average of HK$969). 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.

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

Unlike in the afternoon, when flights are generally more expensive, you can save up to 51% on flights from Hong Kong to Hanoi by exploring options for tickets in the morning.

Reviews of airlines servicing Hanoi

See what other customers who have flown with Cathay Pacific, Vietnam Airlines, andHK Express 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.

Cathay Pacific

7.6

Good

1,155 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Jan 2026

HKG - CTS

I went to sleep without dinner, woke up about 4 hours before landing. I asked for breakfast, waited for an hour, nothing, I asked again, still nothing after 15 minutes. I then asked for coffee, when the coffee came after half an hour, it was cold. Crew manager apologised.

Cathay Pacific

7.6

Good

1,155 reviews

Cathay Pacific

7.6

Good

1,155 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Jan 2026

HKG - CTS

Vietnam Airlines

7.6

Good

224 reviews

Cathay Pacific

7.6

Good

1,155 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Jan 2026

HKG - CTS

HK Express

7.2

Good

43 reviews

Cathay Pacific

7.6

Good

1,155 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Jan 2026

HKG - CTS

Hong Kong Airlines

6.0

Okay

27 reviews

Cathay Pacific

7.6

Good

1,155 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Jan 2026

HKG - CTS

Related info for your journey

What airports do I use to fly from Hong Kong to Hanoi?
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 11 outbound flights from Hong Kong Intl to Noibai offered by 4 different airlines.
How popular is this Hong Kong to Hanoi flight route?
Flights from Hong Kong Intl to Hanoi Noibai have been viewed 463 times in the past calendar month.
How long is the flight from Hong Kong to Hanoi?
HK Express and Vietnam Airlines can get you from Hong Kong to Hanoi in just under 2h 05m. Your travel time will be generally consistent. There are 845 km between Hong Kong and Hanoi. Most flights are nonstop.
What are the cheapest airlines flying from Hong Kong to Hanoi round-trip?
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 Hong Kong Airlines, with the lowest prices starting at HK$963 and HK$1,154, respectively. HK Express is priced at 31% lower than the current average price of a flight leaving 3 months from now.
What are the cheapest airlines to fly from Hong Kong to Hanoi one-way?
The cheapet airlines for a one-way flight from Hong Kong to Hanoi are HK Express (HK$470), Vietnam Airlines (HK$808), and Cathay Pacific (HK$1,113).
What are the most reliable airlines from Hong Kong to Hanoi?
Consider Air Canada (89%), Finnair (89%) or Qatar Airways (77%) when booking your flight. These represent the most reliable airlines when flying from Hong Kong to Hanoi.
What are the cheapest flights from Hong Kong to Hanoi?
The cheapest flight price from Hong Kong to Hanoi is HK$551. On average you can expect to pay HK$1,044. The most popular route, (Hong Kong Intl - Hanoi Noibai), can usually be booked for HK$1,117.
Can I find deals for flights from Hong Kong to Hanoi that include hotel bookings?
Yes. In addition to deals on Hong Kong to Hanoi flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Hong Kong to Hanoi?
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.
Can I find deals for business class flights from Hong Kong to Hanoi?
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.
What is the cheapest month to book a flight from Hong Kong to Hanoi?
Currently, June is the cheapest month in which you can book a flight from Hong Kong to Hanoi (average of HK$820). Flying from Hong Kong to Hanoi in January is currently the most expensive (average of HK$969). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Fly from Hong Kong to Hanoi on these airlines

HK Express flights from Hong Kong Intl to Hanoi Noibai

Vietnam Airlines flights from Hong Kong Intl to Hanoi Noibai

Cathay Pacific flights from Hong Kong Intl to Hanoi Noibai

Top 4 airlines flying from Hong Kong to Hanoi

Airline	Cheapest	Average	Flexibility	On-time
HK Express	CheapestHK$911	AverageHK$1,060	FlexibilityNo cancel fee	On-time90%	Search HK Express flights
Cathay Pacific	CheapestHK$963	AverageHK$2,307	FlexibilityNo cancel fee	On-time72%	Search Cathay Pacific flights
Hong Kong Airlines	CheapestHK$1,154	AverageHK$1,491	FlexibilityNo cancel fee	On-time65%	Search Hong Kong Airlines flights
Vietnam Airlines	CheapestHK$1,465	AverageHK$1,784	FlexibilityNo cancel fee	On-time81%	Search Vietnam Airlines flights

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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.

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

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.

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

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

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

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Cheap flights from Hong Kong to Hanoi from HK$594

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 3-3. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap 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 2 February 2026.

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 2 February 2026.

Best flights from Hong Kong to HanoiDiscover carefully curated flight deals from Hong Kong to Hanoi that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 2 February 2026.

Discover carefully curated flight deals from Hong Kong to Hanoi that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 2 February 2026.

Direct flights from Hong Kong to HanoiExplore direct flight options from Hong Kong to Hanoi based on user searches, and compare prices and availability for your desired travel dates. Data last updated 2 February 2026.

Explore direct flight options from Hong Kong to Hanoi based on user searches, and compare prices and availability for your desired travel dates. Data last updated 2 February 2026.

Last-minute flights from Hong Kong to HanoiDiscover last-minute flight deals from Hong Kong to Hanoi. Data last updated 2 February 2026 and is based on user searches.

Discover last-minute flight deals from Hong Kong to Hanoi. Data last updated 2 February 2026 and is based on user searches.

One-way flights from Hong Kong to HanoiSearch for one-way flight options from Hong Kong to Hanoi. Find affordable one-way fares based on user searches. Data last updated 2 February 2026.

Search for one-way flight options from Hong Kong to Hanoi. Find affordable one-way fares based on user searches. Data last updated 2 February 2026.

Find flight deals from Hong Kong to Hanoi

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One-way from

Popular in

Cheapest in

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Good round-trip deal

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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?

Weekly flight availability from Hong Kong to Hanoi

How often are flights from Hong Kong to Hanoi delayed?

What is the most punctual flight time for Hong Kong to Hanoi flights?

What day of the week experiences the fewest flight delays on this route?

Which airline has the best punctuality record on Hong Kong to Hanoi flights?

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 2 February 2026.

See what other customers who have flown with Cathay Pacific, Vietnam Airlines, andHK Express 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 cheapest airlines to fly from Hong Kong to Hanoi one-way?

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 2 February 2026.

Top 4 airlines flying from Hong Kong to Hanoi

Fly with Cheapflights

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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?

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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 2 February 2026.

Best flights from Hong Kong to Hanoi
Discover carefully curated flight deals from Hong Kong to Hanoi that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 2 February 2026.

Direct flights from Hong Kong to Hanoi
Explore direct flight options from Hong Kong to Hanoi based on user searches, and compare prices and availability for your desired travel dates. Data last updated 2 February 2026.

Last-minute flights from Hong Kong to Hanoi
Discover last-minute flight deals from Hong Kong to Hanoi. Data last updated 2 February 2026 and is based on user searches.

One-way flights from Hong Kong to Hanoi
Search for one-way flight options from Hong Kong to Hanoi. Find affordable one-way fares based on user searches. Data last updated 2 February 2026.