How popular is this Hong Kong to Vietnam flight route?

Flights from Hong Kong to Vietnam have been viewed 328 times in the past calendar month.

How long is the flight from Hong Kong to Vietnam?

A quick flight from Hong Kong to Vietnam can take about 2h 45m. VietJet Air provides one of the quickest options available for as low as HK$1,693. Airlines will cover a distance of 1714 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

HK$334 is the cheapest one-way deal found within the past few days, from Vietnam Airlines. You may also be able to find cheap deals on HK Express and VietJet Air, with prices starting from HK$463 and HK$618, respectively.

In terms of precipitation, rainfall in Vietnam ranges from 0.0 - 340.0 inches per month. September is typically the wettest month, when rainfall can reach 340.0 mm. February is typically the driest time to visit Vietnam when rainfall is around 0.0 mm.

If weather is an important factor for your trip to Vietnam, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 30.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 26.0 C).

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

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

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

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

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

Yes. Cheapflights offers flight deals from Hong Kong to Vietnam 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$110+ Cheap Flights from Hong Kong to Vietnam

Cheap flight deals from Hong Kong to Vietnam

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

Cheapest flights from Hong Kong to Vietnam
Explore the most affordable flight options available from Hong Kong to Vietnam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 August 2026.

Thu 8-1013:05 -

Nonstop1h 55m

Sat 10-1009:20 -

Nonstop1h 45m

Deal found 28-8HK$1,364

Fri 9-1007:40 -

Nonstop2h 10m

Fri 16-1009:35 -

Nonstop2h 05m

Deal found 24-8HK$1,372

Thu 8-1007:40 -

Nonstop2h 10m

Sun 11-1009:35 -

Nonstop2h 05m

Deal found 28-8HK$1,380

Sat 5-907:40 -

Nonstop2h 10m

Sun 6-909:35 -

Nonstop2h 05m

Deal found 27-8HK$1,388

Thu 10-907:40 -

Nonstop2h 10m

Sun 13-909:35 -

Nonstop2h 05m

Deal found 27-8HK$1,395

Sat 10-1007:40 -

Nonstop2h 10m

Sat 17-1009:35 -

Nonstop2h 05m

Deal found 27-8HK$1,403

Mon 5-1007:40 -

Nonstop2h 10m

Thu 22-1009:35 -

Nonstop2h 05m

Deal found 29-8HK$1,411

Thu 3-907:40 -

Nonstop2h 10m

Sat 5-909:35 -

Nonstop2h 05m

Deal found 26-8HK$1,419

Fri 9-1007:40 -

Nonstop2h 10m

Sat 24-1009:35 -

Nonstop2h 05m

Deal found 29-8HK$1,427

Tue 22-907:40 -

Nonstop2h 10m

Fri 25-909:35 -

Nonstop2h 05m

Deal found 26-8HK$1,435

Sun 13-907:40 -

Nonstop2h 10m

Sat 12-1209:35 -

Nonstop2h 00m

Deal found 25-8HK$1,442

Sun 13-908:25 -

Nonstop1h 55m

Sun 20-911:50 -

Nonstop2h 00m

Deal found 29-8HK$1,482

Best flights from Hong Kong to Vietnam
Discover carefully curated flight deals from Hong Kong to Vietnam that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 August 2026.

Thu 10-916:40 -

Nonstop2h 45m

Sat 12-911:55 -

Nonstop2h 45m

Deal found 29-8HK$1,693

Thu 24-908:25 -

Nonstop1h 55m

Sun 27-907:10 -

1 stop10h 40m

Deal found 29-8HK$1,733

Sun 11-1018:45 -

1 stop27h 55m

Sun 18-1007:50 -

1 stop8h 35m

Deal found 27-8HK$2,038

Tue 13-1016:45 -

1 stop21h 50m

Tue 20-1014:30 -

1 stop24h 15m

Deal found 29-8HK$2,563

Sun 20-919:50 -

Nonstop2h 40m

Wed 23-915:10 -

Nonstop2h 40m

Deal found 29-8HK$1,999

Tue 22-907:40 -

1 stop13h 25m

Thu 24-920:35 -

1 stop15h 05m

Deal found 29-8HK$2,007

Sun 11-1018:45 -

1 stop26h 15m

Sun 18-1020:35 -

1 stop19h 50m

Deal found 27-8HK$2,109

Tue 27-1019:15 -

1 stop15h 05m

Fri 30-1017:35 -

1 stop23h 40m

Deal found 27-8HK$2,070

Sun 8-1108:25 -

2 stops9h 40m

Sat 21-1117:35 -

1 stop24h 15m

Deal found 29-8HK$2,195

Mon 2-1118:40 -

1 stop13h 35m

Thu 5-1107:50 -

1 stop8h 35m

Deal found 28-8HK$2,250

Wed 14-1019:50 -

1 stop17h 10m

Wed 21-1010:00 -

1 stop7h 50m

Deal found 30-8HK$2,070

Sat 10-1020:20 -

1 stop18h 15m

Sat 17-1014:30 -

1 stop24h 15m

Deal found 25-8HK$2,563

Wed 9-919:50 -

1 stop16h 10m

Sat 12-914:50 -

1 stop7h 20m

Deal found 26-8HK$2,203

Thu 4-222:55 -

1 stop10h 25m

Wed 10-209:40 -

2 stops11h 50m

Deal found 25-8HK$5,480

Mon 19-1018:45 -

1 stop14h 25m

Mon 9-1110:35 -

Nonstop1h 55m

Deal found 27-8HK$2,281

Thu 8-1016:45 -

1 stop23h 15m

Sun 11-1010:00 -

1 stop8h 20m

Deal found 29-8HK$2,563

Fri 16-1019:50 -

1 stop20h 45m

Mon 19-1007:45 -

1 stop10h 05m

Deal found 28-8HK$2,132

Mon 21-1221:25 -

2 stops24h 30m

Sat 26-1218:30 -

1 stop24h 55m

Deal found 25-8HK$5,684

Mon 9-1114:30 -

Nonstop2h 10m

Tue 24-1108:00 -

1 stop8h 25m

Deal found 25-8HK$2,328

Fri 11-916:45 -

1 stop18h 05m

Thu 10-1209:30 -

1 stop5h 15m

Deal found 25-8HK$2,611

Fri 25-919:50 -

1 stop20h 45m

Wed 30-914:30 -

1 stop7h 40m

Deal found 25-8HK$2,407

Thu 10-916:40 -

Nonstop2h 45m

Fri 11-907:20 -

1 stop10h 30m

Deal found 25-8HK$2,211

Wed 20-118:40 -

1 stop17h 45m

Sun 24-122:10 -

1 stop18h 15m

Deal found 29-8HK$2,352

Tue 29-907:25 -

1 stop9h 30m

Sun 4-1007:20 -

1 stop10h 30m

Deal found 29-8HK$2,462

Mon 14-919:50 -

2 stops21h 05m

Sat 19-911:55 -

Nonstop2h 45m

Deal found 25-8HK$2,242

Fri 30-1014:30 -

1 stop6h 15m

Mon 2-1106:05 -

1 stop6h 25m

Deal found 29-8HK$2,368

Wed 7-1020:20 -

2 stops39h 20m

Sat 10-1008:20 -

1 stop6h 25m

Deal found 28-8HK$2,948

Fri 16-1019:50 -

1 stop20h 45m

Mon 19-1010:45 -

2 stops25h 45m

Deal found 28-8HK$2,485

Mon 12-1019:50 -

1 stop25h 50m

Mon 19-1008:55 -

2 stops29h 45m

Deal found 28-8HK$2,368

Mon 19-1014:30 -

1 stop8h 05m

Tue 27-1007:50 -

1 stop8h 35m

Deal found 26-8HK$2,375

Find flight deals from Hong Kong to Vietnam

Round-trip from	HK$1,364
One-way from	HK$110
Popular in	April
Cheapest in	January
Average price	HK$1,983
Good round-trip deal	HK$1,408 or less
Good one-way deal	HK$764 or less

Sun PhuQuoc Airways
8-10-10-10
Nonstop
3h 40m total
Hong Kong to Vietnam

Search Deals

China Airlines
12-9
1 total stop
7h 05m total
Hong Kong to Vietnam

Search Deals

Highest demand for flights based on searches. 6% potential increase in price (HK$1,053 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (HK$335 potential savings vs. average return price).

Search Deals

Average for round-trip flights in August 2026

Search Deals

Price to beat on a round-trip flight from Hong Kong to Vietnam.

Search Deals

Price to beat on a one-way flight from Hong Kong to Vietnam.

Search Deals

Fly from

Fly to

Route

Departure

Return

Price

Cheapest return flight

Hong KongPhu Quoc

HKG Hong Kong Intl - PQC Phu Quoc Duong Dang

HKGPQC

Hong Kong Intl

Thu 10-9

16:40-18:25

Nonstop2h 45m

Phu Quoc Duong Dang

Sat 12-9

11:55-15:40

Nonstop2h 45m

HK$1,693

Hong KongDa Nang

HKG Hong Kong Intl - DAD Da Nang

HKGDAD

Hong Kong Intl

Thu 24-9

08:25-09:20

Nonstop1h 55m

Da Nang

Sun 27-9

07:10-18:50

1 stop10h 40m

HK$1,733

Fastest return journey

Hong KongHo Chi Minh City

HKG Hong Kong Intl - SGN Ho Chi Minh City

HKGSGN

Hong Kong Intl

Sun 20-9

19:50-21:30

Nonstop2h 40m

Ho Chi Minh City

Wed 23-9

15:10-18:50

Nonstop2h 40m

HK$1,999

Hong KongNha Trang

HKG Hong Kong Intl - CXR Nha Trang Cam Ranh

HKGCXR

Hong Kong Intl

Tue 22-9

07:40-20:05

1 stop13h 25m

Nha Trang Cam Ranh

Thu 24-9

20:35-12:40

1 stop15h 05m

HK$2,007

Hong KongHue

HKG Hong Kong Intl - HUI Hue Phu Bai

HKGHUI

Hong Kong Intl

Sun 11-10

18:45-21:40

1 stop27h 55m

Hue Phu Bai

Sun 18-10

07:50-17:25

1 stop8h 35m

HK$2,038

Hong KongNha Trang

HKG Hong Kong Intl - CXR Nha Trang Cam Ranh

HKGCXR

Hong Kong Intl

Tue 27-10

19:15-09:20

1 stop15h 05m

Nha Trang Cam Ranh

Fri 30-10

17:35-18:15

1 stop23h 40m

HK$2,070

Hong KongNha Trang

HKG Hong Kong Intl - CXR Nha Trang Cam Ranh

HKGCXR

Hong Kong Intl

Wed 14-10

19:50-12:00

1 stop17h 10m

Nha Trang Cam Ranh

Wed 21-10

10:00-18:50

1 stop7h 50m

HK$2,070

Hong KongHaiphong

HKG Hong Kong Intl - HPH Haiphong Catbi

HKGHPH

Hong Kong Intl

Sun 11-10

18:45-20:00

1 stop26h 15m

Haiphong Catbi

Sun 18-10

20:35-17:25

1 stop19h 50m

HK$2,109

Hong KongNha Trang

HKG Hong Kong Intl - CXR Nha Trang Cam Ranh

HKGCXR

Hong Kong Intl

Fri 16-10

19:50-15:35

1 stop20h 45m

Nha Trang Cam Ranh

Mon 19-10

07:45-18:50

1 stop10h 05m

HK$2,132

Hong KongNha Trang

HKG Hong Kong Intl - CXR Nha Trang Cam Ranh

HKGCXR

Hong Kong Intl

Sun 8-11

08:25-17:05

2 stops9h 40m

Nha Trang Cam Ranh

Sat 21-11

17:35-18:50

1 stop24h 15m

HK$2,195

Flights are sorted by cheapest return flights first.

Deals found on 25-8

Showing 1-10 of 60 resultsSorted by cheapest first

...

Best time to book a flight from Hong Kong to Vietnam

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

HKG-PQC

HKG-DAD

HKG-HUI

HKG-CXR

HKG-SGN

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 Vietnam

HK0-VN0

HKG-PQC

HKG-DAD

HKG-HUI

HKG-CXR

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

Currently, January is the cheapest month in which you can book a flight from Hong Kong to Vietnam (average of HK$1,199). Flying from Hong Kong to Vietnam in February is currently the most expensive (average of HK$2,242). 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 HK to VN?

It’s optimal to fly from Hong Kong to Vietnam in the evening. By choosing this option you can save up to 20% on the cost of your flight, compared to a flight at midday.

Weekly flight availability from Hong Kong to Vietnam

The most flights from HK0 to VN0 are scheduled on a Friday (26 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (10 on average).

How often are flights from Hong Kong to Vietnam delayed?

About 23% of weekly flights between Hong Kong and Vietnam have experienced delays in the past year, with the average delay time being 113 minutes.

What is the most punctual flight time for Hong Kong to Vietnam 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.

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

Wednesday 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.

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

Over the past year, HK Express have had the lowest number of delays on this route, with just 14% of flights being delayed.

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

To ensure you get the cheapest price possible for a flight from Hong Kong to Vietnam, you should look to book at least 63 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

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

Reviews of airlines servicing Vietnam

Get a feel of what it's like to fly with Cathay Pacific,HK Express, andHong Kong Airlines from Hong Kong to Vietnam by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Cathay Pacific

7.6

Good

1,463 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

1,463 reviews

Cathay Pacific

7.6

Good

1,463 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Jan 2026

HKG - CTS

HK Express

7.2

Good

47 reviews

Cathay Pacific

7.6

Good

1,463 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Jan 2026

HKG - CTS

Hong Kong Airlines

6.2

Okay

32 reviews

Cathay Pacific

7.6

Good

1,463 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Jan 2026

HKG - CTS

VietJet Air

5.6

Fair

174 reviews

Cathay Pacific

7.6

Good

1,463 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Jan 2026

HKG - CTS

Related info for your journey

How popular is this Hong Kong to Vietnam flight route?
Flights from Hong Kong to Vietnam have been viewed 328 times in the past calendar month.
How long is the flight from Hong Kong to Vietnam?
A quick flight from Hong Kong to Vietnam can take about 2h 45m. VietJet Air provides one of the quickest options available for as low as HK$1,693. Airlines will cover a distance of 1714 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
What are the cheapest airlines to fly from Hong Kong to Vietnam one-way?
HK$334 is the cheapest one-way deal found within the past few days, from Vietnam Airlines. You may also be able to find cheap deals on HK Express and VietJet Air, with prices starting from HK$463 and HK$618, respectively.
Can I find deals for flights from Hong Kong to Vietnam that include hotel bookings?
Yes. In addition to deals on Hong Kong to Vietnam flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Hong Kong to Vietnam?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Hong Kong to Vietnam.
Can I find deals for business class flights from Hong Kong to Vietnam?
Yes. Cheapflights offers flight deals from Hong Kong to Vietnam 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 Vietnam?
Currently, January is the cheapest month in which you can book a flight from Hong Kong to Vietnam (average of HK$1,199). Flying from Hong Kong to Vietnam in February is currently the most expensive (average of HK$2,242). 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

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Top 8 airlines flying from Hong Kong to Vietnam

Airline	Cheapest	Average	Flexibility	On-time
VietJet Air	CheapestHK$800	AverageHK$1,463	FlexibilityNo cancel fee	On-timeN/A	Search VietJet Air flights
HK Express	CheapestHK$819	AverageHK$1,519	FlexibilityNo cancel fee	On-time90%	Search HK Express flights
Greater Bay Airlines	CheapestHK$901	AverageHK$1,449	FlexibilityNo cancel fee	On-timeN/A	Search Greater Bay Airlines flights
Hong Kong Airlines	CheapestHK$1,206	AverageHK$1,843	FlexibilityNo cancel fee	On-time65%	Search Hong Kong Airlines flights
Sun PhuQuoc Airways	CheapestHK$1,283	AverageHK$2,034	FlexibilityNo cancel fee	On-timeN/A	Search Sun PhuQuoc Airways flights
Vietnam Airlines	CheapestHK$1,547	AverageHK$2,085	FlexibilityNo cancel fee	On-time81%	Search Vietnam Airlines flights
United Airlines	CheapestHK$1,634	AverageHK$2,108	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Cathay Pacific	CheapestHK$2,105	AverageHK$2,854	FlexibilityNo cancel fee	On-time72%	Search Cathay Pacific flights

Fly with Cheapflights

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

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Vietnam from Hong Kong today with Cheapflights!

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

Millions of users choose and trust Cheapflights to book the best flight deals from Hong Kong to Vietnam for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Need flexible booking options for your flight to Vietnam from Hong Kong? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes, Cheapflights offers price alerts on Hong Kong to Vietnam flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Hong Kong to Vietnam from HK$110

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 12-9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Hong Kong to Vietnam

Cheapest flights from Hong Kong to VietnamExplore the most affordable flight options available from Hong Kong to Vietnam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 August 2026.

Explore the most affordable flight options available from Hong Kong to Vietnam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 August 2026.

Best flights from Hong Kong to VietnamDiscover carefully curated flight deals from Hong Kong to Vietnam that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 August 2026.

Discover carefully curated flight deals from Hong Kong to Vietnam that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 August 2026.

Direct flights from Hong Kong to VietnamExplore direct flight options from Hong Kong to Vietnam based on user searches, and compare prices and availability for your desired travel dates. Data last updated 30 August 2026.

Explore direct flight options from Hong Kong to Vietnam based on user searches, and compare prices and availability for your desired travel dates. Data last updated 30 August 2026.

Last-minute flights from Hong Kong to VietnamDiscover last-minute flight deals from Hong Kong to Vietnam. Data last updated 30 August 2026 and is based on user searches.

Discover last-minute flight deals from Hong Kong to Vietnam. Data last updated 30 August 2026 and is based on user searches.

One-way flights from Hong Kong to VietnamSearch for one-way flight options from Hong Kong to Vietnam. Find affordable one-way fares based on user searches. Data last updated 30 August 2026.

Search for one-way flight options from Hong Kong to Vietnam. Find affordable one-way fares based on user searches. Data last updated 30 August 2026.

Find flight deals from Hong Kong to Vietnam

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Cheapflights Fare Finder

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

Best time to book a flight from Hong Kong to Vietnam

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

Cheapflights Insights

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

What is the cheapest time of day to fly from HK to VN?

Find hourly flight availability from Hong Kong to Vietnam. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 30 August 2026.

It’s optimal to fly from Hong Kong to Vietnam in the evening. By choosing this option you can save up to 20% on the cost of your flight, compared to a flight at midday.

Weekly flight availability from Hong Kong to Vietnam

Explore weekly flight availability from Hong Kong to Vietnam. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 30 August 2026.

The most flights from HK0 to VN0 are scheduled on a Friday (26 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (10 on average).

How often are flights from Hong Kong to Vietnam delayed?

About 23% of weekly flights between Hong Kong and Vietnam have experienced delays in the past year, with the average delay time being 113 minutes.

What is the most punctual flight time for Hong Kong to Vietnam 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.

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

Wednesday 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.

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

Over the past year, HK Express have had the lowest number of delays on this route, with just 14% of flights being delayed.

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

To ensure you get the cheapest price possible for a flight from Hong Kong to Vietnam, you should look to book at least 63 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Use this chart to determine the cheapest time to fly return from Hong Kong to Vietnam. Price data was last updated on 29 August 2026.

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

Reviews of airlines servicing Vietnam

Get a feel of what it's like to fly with Cathay Pacific,HK Express, andHong Kong Airlines from Hong Kong to Vietnam by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

How popular is this Hong Kong to Vietnam flight route?

How long is the flight from Hong Kong to Vietnam?

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

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

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

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

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

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.

Alternative routes for Hong Kong to Vietnam

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Vietnam by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to

Book a non-stop flight to one of these other cities located in .

Search flights from Hong Kong to Vietnam by cabin class

Find flights from Hong Kong to Vietnam, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Hong Kong and Vietnam flights

Browse other Hong Kong and Vietnam flight options. Last updated on 30 August 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Find a return flight route from Vietnam

Find the right flight back to Hong Kong after your stay in Vietnam

Hong Kong to Vietnam flights

Consider these flights travelling from Hong Kong to Vietnam.

Fly to Vietnam regions

Consider these flights travelling to Vietnam regions.

Top 8 airlines flying from Hong Kong to Vietnam

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Cheapest flights from Hong Kong to Vietnam
Explore the most affordable flight options available from Hong Kong to Vietnam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 August 2026.

Best flights from Hong Kong to Vietnam
Discover carefully curated flight deals from Hong Kong to Vietnam that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 August 2026.

Direct flights from Hong Kong to Vietnam
Explore direct flight options from Hong Kong to Vietnam based on user searches, and compare prices and availability for your desired travel dates. Data last updated 30 August 2026.

Last-minute flights from Hong Kong to Vietnam
Discover last-minute flight deals from Hong Kong to Vietnam. Data last updated 30 August 2026 and is based on user searches.

One-way flights from Hong Kong to Vietnam
Search for one-way flight options from Hong Kong to Vietnam. Find affordable one-way fares based on user searches. Data last updated 30 August 2026.