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Cheap flights from Hong Kong to Vietnam from HK$690

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 19-8. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — SGN
17 Aug — 24 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Hong Kong to Vietnam

Enter your travel dates to find the best prices.

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 18 July 2026.

Wed 5-807:40
HKG
-
HAN
Nonstop2h 10m
HK Express
Mon 10-809:35
HAN
-
HKG
Nonstop2h 05m
HK Express
Deal found 17-7HK$1,333
Tue 4-807:40
HKG
-
HAN
Nonstop2h 10m
HK Express
Sun 9-809:35
HAN
-
HKG
Nonstop2h 05m
HK Express
Deal found 17-7HK$1,341
Fri 27-1107:40
HKG
-
HAN
Nonstop2h 10m
HK Express
Sun 29-1109:35
HAN
-
HKG
Nonstop2h 00m
HK Express
Deal found 16-7HK$1,348
Sat 8-807:40
HKG
-
HAN
Nonstop2h 10m
HK Express
Wed 12-809:35
HAN
-
HKG
Nonstop2h 05m
HK Express
Deal found 17-7HK$1,356
Tue 4-807:40
HKG
-
HAN
Nonstop2h 10m
HK Express
Tue 18-809:35
HAN
-
HKG
Nonstop2h 05m
HK Express
Deal found 14-7HK$1,364
Wed 5-807:40
HKG
-
HAN
Nonstop2h 10m
HK Express
Thu 20-809:35
HAN
-
HKG
Nonstop2h 05m
HK Express
Deal found 16-7HK$1,372
Mon 27-707:40
HKG
-
HAN
Nonstop2h 10m
HK Express
Sat 1-809:35
HAN
-
HKG
Nonstop2h 05m
HK Express
Deal found 14-7HK$1,380
Wed 5-807:40
HKG
-
HAN
Nonstop2h 10m
HK Express
Sun 9-809:35
HAN
-
HKG
Nonstop2h 05m
HK Express
Deal found 17-7HK$1,388
Sat 25-707:40
HKG
-
HAN
Nonstop2h 10m
HK Express
Sun 9-809:35
HAN
-
HKG
Nonstop2h 05m
HK Express
Deal found 16-7HK$1,396
Tue 4-807:40
HKG
-
HAN
Nonstop2h 10m
HK Express
Mon 10-809:35
HAN
-
HKG
Nonstop2h 05m
HK Express
Deal found 14-7HK$1,403
Wed 4-1107:40
HKG
-
HAN
Nonstop2h 10m
HK Express
Sat 7-1109:35
HAN
-
HKG
Nonstop2h 00m
HK Express
Deal found 13-7HK$1,411
Tue 4-807:40
HKG
-
HAN
Nonstop2h 10m
HK Express
Thu 6-809:35
HAN
-
HKG
Nonstop2h 05m
HK Express
Deal found 17-7HK$1,419

Find 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 18 July 2026.

Round-trip from

HK$1,333

One-way from

HK$690

Popular in

April

Cheapest in

September

Average price

HK$2,015

Good round-trip deal

HK$1,400 or less

Good one-way deal

HK$752 or less
HK Express
  • HK Express
  • 5-8-10-8
  • Nonstop
  • 4h 15m total
  • Hong Kong to Vietnam
Search Deals
HK Express
  • HK Express
  • 19-8
  • Nonstop
  • 2h 10m total
  • Hong Kong to Vietnam
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (HK$1,584 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (HK$376 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
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

Cheapflights Fare Finder

 
Customise your flight search to find flights from Hong Kong to Vietnam that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 70,647 searches. Data last updated 18 July 2026.
Use the filters below to find and compare flights from Hong Kong to Vietnam that are best for you.

Fly from

Fly to

Route

Departure

Return

Price

Cheapest return flight

Hong KongHo Chi Minh City

HKG - SGN

HKGSGN

Hong Kong Intl

Mon 7-9

19:50-21:30

Nonstop2h 40m

Ho Chi Minh City

Fri 11-9

15:10-18:50

Nonstop2h 40m

HK$1,748

Hong KongDalat

HKG - DLI

HKGDLI

Hong Kong Intl

Mon 31-8

14:30-08:50

1 stop19h 20m

Dalat Lien Khuong Intl

Mon 7-9

07:20-17:25

1 stop9h 05m

HK$1,850

Hong KongHaiphong

HKG - HPH

HKGHPH

Hong Kong Intl

Sat 29-8

18:45-09:40

1 stop15h 55m

Haiphong Catbi

Sat 5-9

20:35-17:25

1 stop19h 50m

HK$1,866

Hong KongHaiphong

HKG - HPH

HKGHPH

Hong Kong Intl

Mon 31-8

18:45-09:40

1 stop15h 55m

Haiphong Catbi

Mon 7-9

20:35-17:25

1 stop19h 50m

HK$1,874

Hong KongHo Chi Minh City

HKG - SGN

HKGSGN

Hong Kong Intl

Sat 1-8

20:30-22:05

Nonstop2h 35m

Ho Chi Minh City

Wed 5-8

07:00-10:40

Nonstop2h 40m

HK$1,913

Hong KongDalat

HKG - DLI

HKGDLI

Hong Kong Intl

Wed 28-10

14:30-08:50

1 stop19h 20m

Dalat Lien Khuong Intl

Thu 29-10

18:55-17:25

1 stop21h 30m

HK$1,936

Hong KongNha Trang

HKG - CXR

HKGCXR

Hong Kong Intl

Sun 30-8

18:45-14:05

1 stop20h 20m

Nha Trang Cam Ranh

Thu 3-9

12:30-13:30

1 stop24h 00m

HK$1,944

Hong KongHo Chi Minh City

HKG - SGN

HKGSGN

Hong Kong Intl

Mon 7-9

07:40-18:40

1 stop12h 00m

Ho Chi Minh City

Fri 11-9

15:10-18:50

Nonstop2h 40m

HK$1,952

Hong KongHaiphong

HKG - HPH

HKGHPH

Hong Kong Intl

Sat 24-10

18:45-19:15

1 stop25h 30m

Haiphong Catbi

Tue 27-10

06:15-17:25

1 stop10h 10m

HK$1,976

Hong KongHo Chi Minh City

HKG - SGN

HKGSGN

Hong Kong Intl

Fri 7-8

20:30-22:05

Nonstop2h 35m

Ho Chi Minh City

Mon 10-8

07:00-10:40

Nonstop2h 40m

HK$2,015

Flights are sorted by cheapest return flights first.

Deals found on 13-7

Showing 1-10 of 60 resultsSorted by cheapest first
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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, January is the cheapest month in which you can book a flight from Hong Kong to Vietnam (average of HK$1,192). Flying from Hong Kong to Vietnam in February is currently the most expensive (average of HK$2,219). 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?

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 18 July 2026.

It’s optimal to fly from Hong Kong to Vietnam in the evening. By choosing this option you can save up to 27% 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 18 July 2026.

The most flights from HKG to VN0 are scheduled on a Wednesday (27 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (12 on average).

How often are flights from Hong Kong to Vietnam delayed?

About 22% of weekly flights between Hong Kong and Vietnam have experienced delays in the past year, with the average delay time being 111 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 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 11 July 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. Tuesday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Vietnam

Get insights into the airlines that provide service to Vietnam. 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 Vietnam. Reviews last updated 18 July 2026.
Check out reviews from past customers who have flown with Cathay Pacific,HK Express, andHong Kong Airlines 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
1,415 reviews
Check prices

Overall

7.6

Comfort

7.6

Entertainment

7.8

Crew

8.1

Food

7.3

Boarding

7.9

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
1,415 reviews
Cathay Pacific
7.6
Good
1,415 reviews
Check prices

Overall

7.6

Comfort

7.6

Entertainment

7.8

Crew

8.1

Food

7.3

Boarding

7.9

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.
HK Express
7.2
Good
47 reviews
Cathay Pacific
7.6
Good
1,415 reviews
Check prices

Overall

7.6

Comfort

7.6

Entertainment

7.8

Crew

8.1

Food

7.3

Boarding

7.9

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.
Hong Kong Airlines
6.3
Okay
31 reviews
Cathay Pacific
7.6
Good
1,415 reviews
Check prices

Overall

7.6

Comfort

7.6

Entertainment

7.8

Crew

8.1

Food

7.3

Boarding

7.9

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.
VietJet Air
5.6
Fair
172 reviews
Cathay Pacific
7.6
Good
1,415 reviews
Check prices

Overall

7.6

Comfort

7.6

Entertainment

7.8

Crew

8.1

Food

7.3

Boarding

7.9

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.

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?

    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 365 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 35m. VietJet Air provides one of the quickest options available for as low as HK$1,913. Airlines will cover a distance of 1492 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$534, respectively.

  • 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 (72%), Qantas Airways (72%), Finnair (72%).

  • What are the cheapest flights from Hong Kong to Vietnam?

    On average you can expect to pay HK$3,088 for a flight from Hong Kong to Vietnam. The cheapest flight overall is HK$918 while the most popular route, (Hong Kong Intl - Da Nang) is currently priced at HK$1,294.

  • 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$1,192). Flying from Hong Kong to Vietnam in February is currently the most expensive (average of HK$2,219). 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

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

Top 8 airlines flying from Hong Kong to Vietnam

Discover the top 8 airlines that operate flights from Hong Kong to Vietnam. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 70,647 searches. Data last updated 18 July 2026.
AirlineCheapestAverageFlexibilityOn-time
VietJet AirCheapestHK$792AverageHK$1,444FlexibilityNo cancel feeOn-timeN/A
Search VietJet Air flights
HK ExpressCheapestHK$819AverageHK$1,501FlexibilityNo cancel feeOn-time90%
Search HK Express flights
Greater Bay AirlinesCheapestHK$901AverageHK$1,466FlexibilityNo cancel feeOn-timeN/A
Search Greater Bay Airlines flights
Hong Kong AirlinesCheapestHK$1,130AverageHK$1,846FlexibilityNo cancel feeOn-time65%
Search Hong Kong Airlines flights
Sun PhuQuoc AirwaysCheapestHK$1,221AverageHK$2,059FlexibilityNo cancel feeOn-timeN/A
Search Sun PhuQuoc Airways flights
Vietnam AirlinesCheapestHK$1,479AverageHK$2,020FlexibilityNo cancel feeOn-time81%
Search Vietnam Airlines flights
United AirlinesCheapestHK$1,634AverageHK$2,108FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Cathay PacificCheapestHK$1,985AverageHK$2,813FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights

Fly with Cheapflights

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

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

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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