How popular is this Hong Kong to Vietnam flight route?

Flights from Hong Kong Intl to Vietnam have been viewed 479 times in the past calendar month. Find deals

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).

What are the most popular routes from Hong Kong to Vietnam?

Most travellers choose Hong Kong Intl - Da Nang, Hong Kong Intl - Phu Quoc Duong Dang or Hong Kong Intl - Hanoi Noibai when deciding on the best route from Hong Kong to Vietnam.

What are the cheapest flights from Hong Kong to Vietnam?

On average you can expect to pay HK$2,701 for a flight from Hong Kong to Vietnam. The cheapest flight overall is HK$601 while the most popular route, (Hong Kong Intl - Da Nang) is currently priced at HK$1,058.

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

Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Hong Kong to Vietnam on time: Air Canada (70%), Finnair (70%), MIAT Mongolian (68%).

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

Consider Cathay Pacific, Philippine Airlines or VietJet Air when booking your flight. These represent the most popular airlines when flying from Hong Kong to Vietnam.

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

Travellers have found that booking a Saturday departure is the best way to save up to 16% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

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

Find a great deal and save up to 48% by booking at least 14 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Hong Kong to Vietnam within the next two weeks, with the cheapest ticket starting at HK$1,254.

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

Due to multiple factors, expect to potentially pay more when booking in January. For low rates, May can be a great choice for travel to Vietnam. Flights to Vietnam from Hong Kong in May are about HK$1,780 on average during May, but can be found for as low as HK$1,160.

What airport do you fly from for flights from Hong Kong to Vietnam?

Most people fly from Hong Kong Intl (HKG) if they book a flight from Hong Kong to Vietnam. Hong Kong Intl is conveniently located just 26.0 km from Hong Kong’s city centre.

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$463+ Flights from Hong Kong to Vietnam

Cheap flight deals from Hong Kong to Vietnam

Round-trip from	HK$870
One-way from	HK$463
Popular in	January
Cheapest in	May
Average price	HK$1,552
Good round-trip deal	HK$982 or less
Good one-way deal	HK$519 or less

HK Express
9-10-14-10
Nonstop
4h 50m total
Hong Kong to Vietnam

Search Deals

VietJet Air
16-9
Nonstop
2h 45m total
Hong Kong to Vietnam

Search Deals

Highest demand for flights based on searches. 22% potential increase in price (HK$4,157 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (HK$516 potential savings vs. average return price).

Search Deals

Average for round-trip flights in August 2025

Search Deals

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

Search Deals

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

Search Deals

Find flight deals from Hong Kong to Vietnam

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 15 August 2025.

Thu 25-918:50HKG - CXR

Nonstop2h 20mHK Express

Mon 29-920:55CXR - HKG

Nonstop2h 30mHK Express

Deal found 12-8HK$737

Thu 11-918:50HKG - CXR

Nonstop2h 20mHK Express

Mon 15-920:55CXR - HKG

Nonstop2h 30mHK Express

Deal found 12-8HK$870

Sat 23-820:35HKG - DAD

Nonstop1h 50mHK Express

Sat 30-822:10DAD - HKG

Nonstop2h 00mHK Express

Deal found 14-8HK$941

Fri 15-807:45HKG - HAN

Nonstop2h 05mHK Express

Mon 18-809:35HAN - HKG

Nonstop2h 05mHK Express

Deal found 14-8HK$949

Thu 21-820:35HKG - DAD

Nonstop1h 50mHK Express

Tue 26-822:10DAD - HKG

Nonstop2h 00mHK Express

Deal found 13-8HK$957

Tue 19-807:45HKG - HAN

Nonstop2h 05mHK Express

Thu 21-809:35HAN - HKG

Nonstop2h 05mHK Express

Deal found 13-8HK$964

Fri 22-816:30HKG - DAD

Nonstop1h 55mHK Express

Wed 27-822:10DAD - HKG

Nonstop2h 00mHK Express

Deal found 14-8HK$964

Sat 13-907:45HKG - HAN

Nonstop2h 05mHK Express

Fri 26-909:35HAN - HKG

Nonstop2h 05mHK Express

Deal found 14-8HK$972

Fri 22-816:30HKG - DAD

Nonstop1h 55mHK Express

Fri 29-822:10DAD - HKG

Nonstop2h 00mHK Express

Deal found 13-8HK$972

Tue 16-907:45HKG - HAN

Nonstop2h 05mHK Express

Wed 24-909:35HAN - HKG

Nonstop2h 05mHK Express

Deal found 14-8HK$980

Tue 26-816:30HKG - DAD

Nonstop1h 55mHK Express

Fri 29-822:10DAD - HKG

Nonstop2h 00mHK Express

Deal found 14-8HK$980

Mon 25-820:35HKG - DAD

Nonstop1h 50mHK Express

Sat 30-822:10DAD - HKG

Nonstop2h 00mHK Express

Deal found 13-8HK$988

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 15 August 2025.

Thu 25-918:50HKG - CXR

Nonstop2h 20mHK Express

Mon 29-920:55CXR - HKG

Nonstop2h 30mHK Express

Deal found 12-8HK$737

Sun 31-819:50HKG - SGN

Nonstop2h 40mVietJet Air

Sun 7-915:10SGN - HKG

Nonstop2h 40mVietJet Air

Deal found 12-8HK$1,106

Sat 6-916:10HKG - PQC

Nonstop2h 55mMultiple Airlines

Sun 7-911:55PQC - HKG

Nonstop2h 45mMultiple Airlines

Deal found 13-8HK$1,106

Wed 29-1016:00HKG - PQC

Nonstop3h 00mGreater Bay Airlines

Sat 1-1119:00PQC - HKG

Nonstop2h 50mGreater Bay Airlines

Deal found 14-8HK$1,145

Thu 11-918:50HKG - CXR

Nonstop2h 20mHK Express

Mon 15-920:55CXR - HKG

Nonstop2h 30mHK Express

Deal found 12-8HK$870

Thu 9-1018:50HKG - CXR

Nonstop2h 20mHK Express

Tue 14-1020:55CXR - HKG

Nonstop2h 30mHK Express

Deal found 13-8HK$870

Fri 5-919:50HKG - SGN

Nonstop2h 40mVietJet Air

Tue 9-915:55SGN - HKG

Nonstop2h 40mVietJet Air

Deal found 12-8HK$1,113

Wed 14-116:40HKG - PQC

Nonstop2h 45mMultiple Airlines

Thu 15-110:50PQC - HKG

Nonstop3h 10mMultiple Airlines

Deal found 14-8HK$1,137

Wed 24-907:45HKG - HAN

Nonstop2h 05mHK Express

Sat 4-1009:35HAN - HKG

Nonstop2h 05mHK Express

Deal found 12-8HK$949

Fri 26-918:45HKG - DLI

1 stop12h 55mVietnam Airlines

Fri 3-1007:15DLI - HKG

1 stop9h 10mVietnam Airlines

Deal found 12-8HK$2,313

Fri 5-919:50HKG - SGN

Nonstop2h 40mVietJet Air

Mon 8-915:10SGN - HKG

Nonstop2h 40mVietJet Air

Deal found 12-8HK$1,113

Mon 25-816:40HKG - PQC

Nonstop2h 45mMultiple Airlines

Mon 1-910:40PQC - HKG

Nonstop3h 05mMultiple Airlines

Deal found 13-8HK$1,145

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 15 August 2025.

Thu 9-1018:50HKG - CXR

Nonstop2h 20mHK Express

Tue 14-1020:55CXR - HKG

Nonstop2h 30mHK Express

Deal found 13-8HK$870

Thu 25-918:50HKG - CXR

Nonstop2h 20mHK Express

Mon 29-920:55CXR - HKG

Nonstop2h 30mHK Express

Deal found 13-8HK$886

Sun 24-820:35HKG - DAD

Nonstop1h 50mHK Express

Wed 27-822:10DAD - HKG

Nonstop2h 00mHK Express

Deal found 14-8HK$941

Wed 24-907:45HKG - HAN

Nonstop2h 05mHK Express

Sat 4-1009:35HAN - HKG

Nonstop2h 05mHK Express

Deal found 12-8HK$949

Wed 27-816:30HKG - DAD

Nonstop1h 55mHK Express

Sat 30-822:10DAD - HKG

Nonstop2h 00mHK Express

Deal found 13-8HK$957

Sat 1-1107:25HKG - HAN

Nonstop2h 20mHK Express

Thu 6-1109:30HAN - HKG

Nonstop2h 05mHK Express

Deal found 12-8HK$964

Fri 29-816:30HKG - DAD

Nonstop1h 55mHK Express

Mon 1-910:05DAD - HKG

Nonstop2h 00mHK Express

Deal found 13-8HK$964

Sun 14-907:45HKG - HAN

Nonstop2h 05mHK Express

Thu 18-909:35HAN - HKG

Nonstop2h 05mHK Express

Deal found 12-8HK$972

Mon 22-916:30HKG - DAD

Nonstop1h 55mHK Express

Thu 25-918:10DAD - HKG

Nonstop2h 00mHK Express

Deal found 13-8HK$972

Tue 16-907:45HKG - HAN

Nonstop2h 05mHK Express

Wed 24-909:35HAN - HKG

Nonstop2h 05mHK Express

Deal found 14-8HK$980

Tue 28-1010:40HKG - DAD

Nonstop2h 00mHK Express

Sun 2-1110:10DAD - HKG

Nonstop1h 50mHK Express

Deal found 13-8HK$980

Sun 24-807:45HKG - HAN

Nonstop2h 05mHK Express

Fri 29-809:35HAN - HKG

Nonstop2h 05mHK Express

Deal found 11-8HK$988

Last-minute flights from Hong Kong to Vietnam
Discover last-minute flight deals from Hong Kong to Vietnam. Data last updated 15 August 2025 and is based on user searches.

Fri 15-807:45HKG - HAN

Nonstop2h 05mHK Express

Mon 18-809:35HAN - HKG

Nonstop2h 05mHK Express

Deal found 14-8HK$949

Tue 19-807:45HKG - HAN

Nonstop2h 05mHK Express

Thu 21-809:35HAN - HKG

Nonstop2h 05mHK Express

Deal found 13-8HK$964

Tue 19-807:45HKG - HAN

Nonstop2h 05mHK Express

Wed 20-809:35HAN - HKG

Nonstop2h 05mHK Express

Deal found 13-8HK$980

Tue 19-820:35HKG - DAD

Nonstop1h 50mHK Express

Fri 22-822:10DAD - HKG

Nonstop2h 00mHK Express

Deal found 14-8HK$1,019

Tue 19-820:35HKG - SGN

Nonstop2h 40mVietJet Air

Fri 22-815:10SGN - HKG

Nonstop2h 40mVietJet Air

Deal found 13-8HK$1,137

Thu 21-820:35HKG - DAD

Nonstop1h 50mHK Express

Tue 26-822:10DAD - HKG

Nonstop2h 00mHK Express

Deal found 13-8HK$957

Thu 21-818:50HKG - CXR

Nonstop2h 20mHK Express

Thu 28-820:55CXR - HKG

Nonstop2h 30mHK Express

Deal found 13-8HK$1,153

Fri 22-816:30HKG - DAD

Nonstop1h 55mHK Express

Wed 27-822:10DAD - HKG

Nonstop2h 00mHK Express

Deal found 14-8HK$964

Fri 22-816:30HKG - DAD

Nonstop1h 55mHK Express

Fri 29-822:10DAD - HKG

Nonstop2h 00mHK Express

Deal found 13-8HK$972

Sat 23-820:35HKG - DAD

Nonstop1h 50mHK Express

Tue 26-822:10DAD - HKG

Nonstop2h 00mHK Express

Deal found 14-8HK$1,027

Sat 23-820:35HKG - DAD

Nonstop1h 50mHK Express

Sat 30-822:10DAD - HKG

Nonstop2h 00mHK Express

Deal found 14-8HK$941

Sun 24-820:35HKG - DAD

Nonstop1h 50mHK Express

Wed 27-822:10DAD - HKG

Nonstop2h 00mHK Express

Deal found 14-8HK$941

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 15 August 2025.

Tue 16-916:40HKG - PQC

Nonstop2h 45mVietJet Air

Deal found 14-8HK$463

Wed 20-807:45HKG - HAN

Nonstop2h 05mHK Express

Deal found 13-8HK$478

Tue 26-816:10HKG - PQC

Nonstop2h 55mHK Express

Deal found 14-8HK$478

Sat 13-907:45HKG - HAN

Nonstop2h 05mHK Express

Deal found 14-8HK$486

Wed 10-916:40HKG - PQC

Nonstop2h 45mVietJet Air

Deal found 13-8HK$486

Sun 24-807:45HKG - HAN

Nonstop2h 05mHK Express

Deal found 13-8HK$494

Tue 11-1116:40HKG - PQC

Nonstop2h 45mVietJet Air

Deal found 14-8HK$494

Mon 3-1107:25HKG - HAN

Nonstop2h 20mHK Express

Deal found 14-8HK$502

Fri 19-916:10HKG - PQC

Nonstop2h 55mHK Express

Deal found 13-8HK$502

Mon 15-1207:25HKG - HAN

Nonstop2h 20mHK Express

Deal found 12-8HK$510

Sat 30-816:30HKG - DAD

Nonstop1h 55mHK Express

Deal found 13-8HK$510

Thu 28-807:45HKG - PQC

Nonstop2h 55mHK Express

Deal found 14-8HK$510

Fly from

Fly to

Route

Departure

Return

Price

Hong KongNha Trang

HKG - CXR

HKGCXR

Hong Kong Intl

Thu 25-9

18:50-20:10

Nonstop2h 20m

Nha Trang Cam Ranh

Mon 29-9

20:55-00:25

Nonstop2h 30m

HK$737

Hong KongNha Trang

HKG - CXR

HKGCXR

Hong Kong Intl

Thu 11-9

18:50-20:10

Nonstop2h 20m

Nha Trang Cam Ranh

Mon 15-9

20:55-00:25

Nonstop2h 30m

HK$870

Hong KongNha Trang

HKG - CXR

HKGCXR

Hong Kong Intl

Thu 9-10

18:50-20:10

Nonstop2h 20m

Nha Trang Cam Ranh

Tue 14-10

20:55-00:25

Nonstop2h 30m

HK$870

Hong KongHanoi

HKG - HAN

HKGHAN

Hong Kong Intl

Wed 24-9

07:45-08:50

Nonstop2h 05m

Hanoi Noibai

Sat 4-10

09:35-12:40

Nonstop2h 05m

HK$949

Hong KongHanoi

HKG - HAN

HKGHAN

Hong Kong Intl

Fri 7-11

07:25-08:45

Nonstop2h 20m

Hanoi Noibai

Thu 13-11

09:30-12:35

Nonstop2h 05m

HK$949

Hong KongHanoi

HKG - HAN

HKGHAN

Hong Kong Intl

Fri 26-9

07:45-08:50

Nonstop2h 05m

Hanoi Noibai

Sat 4-10

09:35-12:40

Nonstop2h 05m

HK$949

Hong KongDa Nang

HKG - DAD

HKGDAD

Hong Kong Intl

Wed 29-10

16:50-17:45

Nonstop1h 55m

Da Nang

Sat 1-11

18:30-21:25

Nonstop1h 55m

HK$957

Hong KongDa Nang

HKG - DAD

HKGDAD

Hong Kong Intl

Sat 25-10

16:30-17:25

Nonstop1h 55m

Da Nang

Wed 29-10

12:25-15:20

Nonstop1h 55m

HK$957

Hong KongDa Nang

HKG - DAD

HKGDAD

Hong Kong Intl

Mon 27-10

08:25-09:20

Nonstop1h 55m

Da Nang

Sat 1-11

12:25-15:20

Nonstop1h 55m

HK$957

Hong KongHanoi

HKG - HAN

HKGHAN

Hong Kong Intl

Fri 26-9

07:45-08:50

Nonstop2h 05m

Hanoi Noibai

Sun 5-10

09:35-12:40

Nonstop2h 05m

HK$964

Flights are sorted by cheapest return flights first.

Deals found on 14-8

Showing 1-10 of 60 results

...

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.

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

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

Currently, February is the cheapest month in which you can book a flight from Hong Kong to Vietnam (average of HK$154). Flying from Hong Kong to Vietnam in April is currently the most expensive (average of HK$244). 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 VN?

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

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. Wednesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Hong Kong to Vietnam

The most flights from HKG to VN0 are scheduled on a Wednesday (20 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (8 on average).

Reviews of airlines servicing Vietnam

Check out reviews from past customers who have flown with Cathay Pacific, Vietnam Airlines, andVietJet Air from Hong Kong to Vietnam to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Cathay Pacific

7.6

Good

968 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Aug 2025

PVG - HKG

everything was delay. The flight departed delayed and after arriving, the luggage was delayed

Cathay Pacific

7.6

Good

968 reviews

Cathay Pacific

7.6

Good

968 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Aug 2025

PVG - HKG

everything was delay. The flight departed delayed and after arriving, the luggage was delayed

Vietnam Airlines

7.5

Good

197 reviews

Cathay Pacific

7.6

Good

968 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Aug 2025

PVG - HKG

everything was delay. The flight departed delayed and after arriving, the luggage was delayed

VietJet Air

5.6

Fair

146 reviews

Cathay Pacific

7.6

Good

968 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Aug 2025

PVG - HKG

everything was delay. The flight departed delayed and after arriving, the luggage was delayed

Related info for your journey

What airport do you fly from for flights from Hong Kong to Vietnam?
Most people fly from Hong Kong Intl (HKG) if they book a flight from Hong Kong to Vietnam. Hong Kong Intl is conveniently located just 26.0 km from Hong Kong’s city centre.
How popular is this Hong Kong to Vietnam flight route?
Flights from Hong Kong Intl to Vietnam have been viewed 479 times in the past calendar month.
What are the most popular routes from Hong Kong to Vietnam?
Most travellers choose Hong Kong Intl - Da Nang, Hong Kong Intl - Phu Quoc Duong Dang or Hong Kong Intl - Hanoi Noibai when deciding on the best route from Hong Kong to Vietnam.
What are the most reliable airlines from Hong Kong to Vietnam?
Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Hong Kong to Vietnam on time: Air Canada (70%), Finnair (70%), MIAT Mongolian (68%).
What are the cheapest flights from Hong Kong to Vietnam?
On average you can expect to pay HK$2,701 for a flight from Hong Kong to Vietnam. The cheapest flight overall is HK$601 while the most popular route, (Hong Kong Intl - Da Nang) is currently priced at HK$1,058.
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, February is the cheapest month in which you can book a flight from Hong Kong to Vietnam (average of HK$154). Flying from Hong Kong to Vietnam in April is currently the most expensive (average of HK$244). 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 for Hong Kong to Vietnam

Complete your trip

Vietnam car hire

Da Nang Airport car hire

Hanoi Noibai Airport car hire

Nha Trang Cam Ranh Airport car hire

Phu Quoc Duong Dang Airport car hire

Dalat Lien Khuong Intl Airport car hire

Haiphong Catbi Airport car hire

Hue Phu Bai Airport car hire

Can Tho Airport car hire

Buon Ma Thuot Phung-Duc Airport car hire

Da Nang car hire

Hanoi car hire

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Top 9 airlines flying from Hong Kong to Vietnam

Airline	Cheapest	Average	Flexibility	On-time
HK Express	CheapestHK$856	AverageHK$1,275	FlexibilityNo cancel fee	On-time90%	Search HK Express flights
Hong Kong Airlines	CheapestHK$1,034	AverageHK$1,545	FlexibilityNo cancel fee	On-time65%	Search Hong Kong Airlines flights
VietJet Air	CheapestHK$1,090	AverageHK$1,694	FlexibilityNo cancel fee	On-timeN/A	Search VietJet Air flights
Cathay Pacific	CheapestHK$1,229	AverageHK$2,790	FlexibilityNo cancel fee	On-time72%	Search Cathay Pacific flights
Greater Bay Airlines	CheapestHK$1,252	AverageHK$1,856	FlexibilityNo cancel fee	On-timeN/A	Search Greater Bay Airlines flights
Vietnam Airlines	CheapestHK$1,272	AverageHK$1,796	FlexibilityNo cancel fee	On-time81%	Search Vietnam Airlines flights
Philippine Airlines	CheapestHK$1,521	AverageHK$1,775	FlexibilityNo cancel fee	On-time60%	Search Philippine Airlines flights
FlexFlight	CheapestHK$1,977	AverageHK$2,186	FlexibilityNo cancel fee	On-timeN/A	Search FlexFlight flights
Hahn Air Systems	CheapestHK$2,496	AverageHK$2,739	FlexibilityNo cancel fee	On-timeN/A	Search Hahn Air Systems flights

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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!

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It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Hong Kong to Vietnam.

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

Certainly. Search results for flights to Vietnam from Hong Kong shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Vietnam from Hong Kong today and book when prices fit your budget.

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Cheap flights from Hong Kong to Vietnam from HK$463

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 28-9. 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

Keep the following information in mind while searching for Hong Kong to Vietnam flight deals. Data was last updated 15 August 2025.

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 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 15 August 2025.

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 15 August 2025.

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

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

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

What is the cheapest time of day to fly from HKG 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 15 August 2025.

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 16 December 2024.

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 15 August 2025.

Reviews of airlines servicing Vietnam

Check out reviews from past customers who have flown with Cathay Pacific, Vietnam Airlines, andVietJet Air from Hong Kong to Vietnam to help guide your decision. You can also see how each airline stacks up 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 Vietnam. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly from for flights from Hong Kong to Vietnam?

How popular is this Hong Kong to Vietnam flight route?

What are the most popular routes from Hong Kong to Vietnam?

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

What are the cheapest flights from Hong Kong to Vietnam?

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.

Top 9 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 15 August 2025.