How popular is this Hong Kong to Vietnam flight route?

Flights from Hong Kong to Vietnam have been viewed 329 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 05m. VietJet Air provides one of the quickest options available for as low as HK$2,196. Airlines will cover a distance of 845 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$620+ 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 14 September 2026.

Thu 17-919:55 -

Nonstop2h 40m

Sun 20-915:10 -

Nonstop2h 40m

Deal found 11-9HK$1,278

Thu 17-919:55 -

Nonstop2h 40m

Mon 21-915:10 -

Nonstop2h 40m

Deal found 13-9HK$1,294

Fri 16-1019:50 -

Nonstop2h 40m

Sun 18-1015:10 -

Nonstop2h 40m

Deal found 12-9HK$1,302

Mon 14-919:50 -

Nonstop2h 40m

Fri 18-915:10 -

Nonstop2h 40m

Deal found 13-9HK$1,310

Sun 13-919:50 -

Nonstop2h 40m

Wed 16-915:10 -

Nonstop2h 40m

Deal found 9-9HK$1,317

Sun 11-1019:50 -

Nonstop2h 40m

Sun 18-1015:10 -

Nonstop2h 40m

Deal found 10-9HK$1,325

Thu 29-1019:50 -

Nonstop2h 40m

Thu 5-1115:10 -

Nonstop2h 40m

Deal found 14-9HK$1,333

Mon 2-1119:50 -

Nonstop2h 40m

Mon 9-1115:10 -

Nonstop2h 40m

Deal found 11-9HK$1,341

Mon 21-916:45 -

Nonstop2h 50m

Mon 28-910:40 -

Nonstop3h 10m

Deal found 12-9HK$1,341

Wed 16-916:45 -

1 stop19h 45m

Wed 14-1015:10 -

Nonstop2h 40m

Deal found 9-9HK$1,349

Sun 13-916:45 -

Nonstop2h 50m

Fri 18-911:55 -

Nonstop2h 50m

Deal found 12-9HK$1,349

Fri 23-1019:50 -

Nonstop2h 40m

Wed 28-1015:10 -

Nonstop2h 40m

Deal found 13-9HK$1,357

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 14 September 2026.

Wed 23-918:50 -

1 stop6h 30m

Wed 30-915:10 -

Nonstop2h 40m

Deal found 9-9HK$1,647

Sun 22-1119:50 -

1 stop14h 30m

Sat 28-1117:35 -

1 stop24h 15m

Deal found 10-9HK$1,725

Sat 24-1018:45 -

1 stop24h 35m

Sat 31-1018:55 -

1 stop21h 30m

Deal found 9-9HK$2,149

Mon 16-1112:55 -

Nonstop2h 05m

Thu 19-1109:15 -

Nonstop1h 40m

Deal found 12-9HK$2,196

Thu 17-919:40 -

1 stop17h 00m

Mon 21-912:50 -

1 stop6h 55m

Deal found 13-9HK$2,855

Thu 1-1020:30 -

Nonstop2h 35m

Sun 4-1007:00 -

Nonstop2h 40m

Deal found 13-9HK$3,207

Wed 28-1019:50 -

1 stop14h 30m

Wed 4-1117:35 -

1 stop24h 15m

Deal found 13-9HK$1,953

Sun 25-1019:00 -

1 stop14h 25m

Sun 1-1114:40 -

1 stop23h 00m

Deal found 10-9HK$1,953

Wed 14-1019:50 -

1 stop20h 45m

Sat 17-1016:05 -

1 stop25h 45m

Deal found 11-9HK$1,953

Sun 25-1018:40 -

1 stop12h 35m

Sun 1-1107:30 -

1 stop8h 55m

Deal found 10-9HK$2,188

Mon 2-1121:25 -

1 stop21h 20m

Thu 5-1108:20 -

2 stops35h 05m

Deal found 9-9HK$4,392

Sun 25-1021:00 -

2 stops21h 15m

Sun 1-1107:55 -

1 stop9h 55m

Deal found 10-9HK$2,172

Wed 28-1019:50 -

1 stop12h 35m

Sun 1-1107:55 -

1 stop9h 55m

Deal found 13-9HK$2,008

Sat 7-1118:40 -

1 stop13h 50m

Fri 13-1113:25 -

1 stop27h 00m

Deal found 13-9HK$2,235

Sun 1-1112:55 -

1 stop27h 10m

Sun 8-1116:20 -

Nonstop2h 40m

Deal found 14-9HK$2,517

Mon 2-1118:40 -

1 stop13h 35m

Thu 5-1107:50 -

1 stop8h 35m

Deal found 9-9HK$2,251

Thu 24-907:40 -

1 stop10h 35m

Sun 27-907:15 -

1 stop10h 35m

Deal found 10-9HK$2,266

Tue 15-1216:40 -

Nonstop2h 45m

Tue 22-1211:55 -

Nonstop2h 45m

Deal found 9-9HK$2,070

Fri 23-1020:20 -

1 stop22h 15m

Mon 26-1014:55 -

1 stop23h 50m

Deal found 10-9HK$2,572

Mon 11-118:40 -

1 stop14h 25m

Fri 15-108:40 -

1 stop7h 45m

Deal found 10-9HK$2,282

Sat 24-1016:10 -

2 stops15h 55m

Sat 31-1011:35 -

1 stop5h 40m

Deal found 9-9HK$2,360

Wed 30-920:30 -

Nonstop2h 35m

Mon 5-1007:00 -

Nonstop2h 40m

Deal found 10-9HK$3,207

Sun 24-119:50 -

1 stop14h 30m

Thu 28-109:50 -

1 stop8h 00m

Deal found 11-9HK$2,274

Sat 9-118:40 -

1 stop17h 45m

Sat 16-122:15 -

1 stop18h 10m

Deal found 10-9HK$2,282

Sun 10-121:00 -

1 stop17h 50m

Thu 14-116:15 -

1 stop6h 35m

Deal found 11-9HK$2,431

Wed 13-121:00 -

1 stop17h 50m

Sat 16-108:55 -

1 stop10h 05m

Deal found 13-9HK$2,972

Fri 26-218:40 -

1 stop16h 20m

Wed 3-307:15 -

1 stop9h 10m

Deal found 13-9HK$2,282

Wed 28-1019:50 -

2 stops42h 45m

Sat 31-1008:45 -

1 stop8h 30m

Deal found 14-9HK$2,298

Sun 25-1021:00 -

2 stops17h 05m

Sun 1-1106:50 -

1 stop11h 00m

Deal found 10-9HK$2,439

Tue 27-1019:15 -

2 stops17h 45m

Tue 3-1117:35 -

1 stop24h 15m

Deal found 11-9HK$2,329

Find flight deals from Hong Kong to Vietnam

Round-trip from	HK$1,294
One-way from	HK$620
Popular in	April
Cheapest in	January
Average price	HK$1,921
Good round-trip deal	HK$1,514 or less
Good one-way deal	HK$769 or less

VietJet Air
25-10-1-11
Nonstop
5h 20m total
Hong Kong to Vietnam

Search Deals

Sun PhuQuoc Airways
22-9-31-12
Nonstop
2h 50m total
Hong Kong to Vietnam

Search Deals

Highest demand for flights based on searches. 4% potential increase in price (HK$639 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (HK$310 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 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

Mon 26-10

21:00-22:55

Nonstop2h 55m

Phu Quoc Duong Dang

Wed 31-12

00:00-00:00

Nonstop0h 00m

HK$737

Hong KongDa Nang

HKG Hong Kong Intl - DAD Da Nang

HKGDAD

Hong Kong Intl

Mon 5-10

18:50-19:50

Nonstop2h 00m

Da Nang

Wed 31-12

00:00-00:00

Nonstop0h 00m

HK$792

Hong KongPhu Quoc

HKG Hong Kong Intl - PQC Phu Quoc Duong Dang

HKGPQC

Hong Kong Intl

Fri 27-11

16:10-18:05

Nonstop2h 55m

Phu Quoc Duong Dang

Wed 31-12

00:00-00:00

Nonstop0h 00m

HK$800

Hong KongDa Nang

HKG Hong Kong Intl - DAD Da Nang

HKGDAD

Hong Kong Intl

Tue 16-2

18:55-20:05

Nonstop2h 10m

Da Nang

Wed 31-12

00:00-00:00

Nonstop0h 00m

HK$800

Hong KongDa Nang

HKG Hong Kong Intl - DAD Da Nang

HKGDAD

Hong Kong Intl

Sun 20-9

18:50-19:50

Nonstop2h 00m

Da Nang

Wed 31-12

00:00-00:00

Nonstop0h 00m

HK$800

Hong KongDa Nang

HKG Hong Kong Intl - DAD Da Nang

HKGDAD

Hong Kong Intl

Mon 21-9

18:50-19:50

Nonstop2h 00m

Da Nang

Wed 31-12

00:00-00:00

Nonstop0h 00m

HK$800

Hong KongDa Nang

HKG Hong Kong Intl - DAD Da Nang

HKGDAD

Hong Kong Intl

Thu 8-10

18:50-19:50

Nonstop2h 00m

Da Nang

Wed 31-12

00:00-00:00

Nonstop0h 00m

HK$800

Hong KongDa Nang

HKG Hong Kong Intl - DAD Da Nang

HKGDAD

Hong Kong Intl

Sat 10-10

18:50-19:50

Nonstop2h 00m

Da Nang

Wed 31-12

00:00-00:00

Nonstop0h 00m

HK$800

Hong KongPhu Quoc

HKG Hong Kong Intl - PQC Phu Quoc Duong Dang

HKGPQC

Hong Kong Intl

Thu 26-11

16:40-18:25

Nonstop2h 45m

Phu Quoc Duong Dang

Wed 31-12

00:00-00:00

Nonstop0h 00m

HK$808

Hong KongPhu Quoc

HKG Hong Kong Intl - PQC Phu Quoc Duong Dang

HKGPQC

Hong Kong Intl

Wed 23-9

16:10-18:05

Nonstop2h 55m

Phu Quoc Duong Dang

Wed 31-12

00:00-00:00

Nonstop0h 00m

HK$816

Flights are sorted by cheapest return flights first.

Deals found on 10-9

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-SGN

HKG-PQC

HKG-HAN

HKG-DAD

HKG-HPH

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-SGN

HKG-PQC

HKG-HAN

HKG-DAD

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$1,208). Flying from Hong Kong to Vietnam in February is currently the most expensive (average of HK$2,251). 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 19% 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 (30 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (14 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 110 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?

Monday 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 15% 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 83 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

1,486 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

1,486 reviews

Cathay Pacific

7.6

Good

1,486 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

1,486 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

1,486 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

1,486 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 329 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 05m. VietJet Air provides one of the quickest options available for as low as HK$2,196. Airlines will cover a distance of 845 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$1,208). Flying from Hong Kong to Vietnam in February is currently the most expensive (average of HK$2,251). 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

Alternative routes

Complete your trip

Direct flights to

Flights by cabin class

Other flight options

Popular flights

Return Flight Options

Top regions

Alternative routes for Hong Kong to Vietnam

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Top 8 airlines flying from Hong Kong to Vietnam

Airline	Cheapest	Average	Flexibility	On-time
VietJet Air	CheapestHK$800	AverageHK$1,479	FlexibilityNo cancel fee	On-timeN/A	Search VietJet Air flights
HK Express	CheapestHK$819	AverageHK$1,526	FlexibilityNo cancel fee	On-time90%	Search HK Express flights
Greater Bay Airlines	CheapestHK$901	AverageHK$1,445	FlexibilityNo cancel fee	On-timeN/A	Search Greater Bay Airlines flights
Hong Kong Airlines	CheapestHK$1,207	AverageHK$1,862	FlexibilityNo cancel fee	On-time65%	Search Hong Kong Airlines flights
Sun PhuQuoc Airways	CheapestHK$1,221	AverageHK$2,035	FlexibilityNo cancel fee	On-timeN/A	Search Sun PhuQuoc Airways flights
Vietnam Airlines	CheapestHK$1,517	AverageHK$2,089	FlexibilityNo cancel fee	On-time81%	Search Vietnam Airlines flights
United Airlines	CheapestHK$1,635	AverageHK$2,108	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Cathay Pacific	CheapestHK$2,247	AverageHK$2,862	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$620

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 22-9. 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 14 September 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 14 September 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 14 September 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 14 September 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 14 September 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 14 September 2026.

Last-minute flights from Hong Kong to VietnamDiscover last-minute flight deals from Hong Kong to Vietnam. Data last updated 14 September 2026 and is based on user searches.

Discover last-minute flight deals from Hong Kong to Vietnam. Data last updated 14 September 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 14 September 2026.

Search for one-way flight options from Hong Kong to Vietnam. Find affordable one-way fares based on user searches. Data last updated 14 September 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 14 September 2026.

It’s optimal to fly from Hong Kong to Vietnam in the evening. By choosing this option you can save up to 19% 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 14 September 2026.

The most flights from HK0 to VN0 are scheduled on a Friday (30 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (14 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 110 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?

Monday 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 15% 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 83 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 12 September 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

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Hong Kong and Vietnam flights

Browse other Hong Kong and Vietnam flight options. Last updated on 14 September 2026.

Popular flight searches

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Find a return flight route from Vietnam

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Fly to Vietnam regions

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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 14 September 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 14 September 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 14 September 2026.

Last-minute flights from Hong Kong to Vietnam
Discover last-minute flight deals from Hong Kong to Vietnam. Data last updated 14 September 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 14 September 2026.