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Cheap flights from Hong Kong to Vietnam from HK$454

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 20-9. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — SGN
23 Aug — 30 Aug1
1 adult

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 18 August 2025.

Round-trip from

HK$845

One-way from

HK$454

Popular in

January

Cheapest in

May

Average price

HK$1,549

Good round-trip deal

HK$949 or less

Good one-way deal

HK$542 or less
HK Express
  • HK Express
  • 8-9-11-9
  • Nonstop
  • 4h 50m total
  • Hong Kong to Vietnam
Search Deals
HK Express
  • HK Express
  • 20-9
  • Nonstop
  • 2h 55m total
  • Hong Kong to Vietnam
Search Deals
Highest demand for flights based on searches. 22% potential increase in price (HK$4,131 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 to Vietnam.
Search Deals
Price to beat on a one-way flight from Hong Kong 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 18 August 2025.

Mon 8-918:50HKG - CXR
Nonstop2h 20mHK Express
Thu 11-920:55CXR - HKG
Nonstop2h 30mHK Express
Deal found 17-8HK$845
Thu 28-818:50HKG - CXR
Nonstop2h 20mHK Express
Mon 1-920:55CXR - HKG
Nonstop2h 30mHK Express
Deal found 16-8HK$884
Fri 17-1008:25HKG - DAD
Nonstop1h 55mHK Express
Sun 19-1010:05DAD - HKG
Nonstop2h 00mHK Express
Deal found 17-8HK$931
Mon 13-1007:45HKG - HAN
Nonstop2h 05mHK Express
Sat 18-1009:35HAN - HKG
Nonstop2h 05mHK Express
Deal found 18-8HK$939
Thu 21-820:35HKG - DAD
Nonstop1h 50mHK Express
Thu 28-822:10DAD - HKG
Nonstop2h 00mHK Express
Deal found 16-8HK$939
Tue 19-807:45HKG - HAN
Nonstop2h 05mHK Express
Wed 27-809:35HAN - HKG
Nonstop2h 05mHK Express
Deal found 16-8HK$947
Mon 15-916:30HKG - DAD
Nonstop1h 55mHK Express
Sat 20-910:05DAD - HKG
Nonstop2h 00mHK Express
Deal found 17-8HK$947
Fri 17-1007:45HKG - HAN
Nonstop2h 05mHK Express
Sat 1-1109:30HAN - HKG
Nonstop2h 05mHK Express
Deal found 17-8HK$954
Thu 13-1107:25HKG - HAN
Nonstop2h 20mHK Express
Fri 21-1121:55HAN - HKG
Nonstop2h 00mHK Express
Deal found 18-8HK$962
Sat 6-916:30HKG - DAD
Nonstop1h 55mHK Express
Thu 11-910:05DAD - HKG
Nonstop2h 00mHK Express
Deal found 18-8HK$962
Sun 7-907:45HKG - HAN
Nonstop2h 05mHK Express
Sun 21-909:35HAN - HKG
Nonstop2h 05mHK Express
Deal found 16-8HK$970
Thu 4-916:30HKG - DAD
Nonstop1h 55mHK Express
Tue 9-910:05DAD - HKG
Nonstop2h 00mHK Express
Deal found 17-8HK$970

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 August 2025.
Use the filters below to find and compare flights from Hong Kong to Vietnam that are best for you.

Fly from

Hong Kong

Fly to

Vietnam

Route

Departure

Return

Price

Hong KongNha Trang

HKG - CXR

HKGCXR

Hong Kong Intl

Mon 8-9

18:50-20:10

Nonstop2h 20m

Nha Trang Cam Ranh

Thu 11-9

20:55-00:25

Nonstop2h 30m

HK$845

Hong KongNha Trang

HKG - CXR

HKGCXR

Hong Kong Intl

Mon 27-10

18:50-20:15

Nonstop2h 25m

Nha Trang Cam Ranh

Thu 30-10

21:00-00:30

Nonstop2h 30m

HK$876

Hong KongNha Trang

HKG - CXR

HKGCXR

Hong Kong Intl

Mon 24-11

18:50-20:15

Nonstop2h 25m

Nha Trang Cam Ranh

Thu 27-11

21:00-00:30

Nonstop2h 30m

HK$876

Hong KongNha Trang

HKG - CXR

HKGCXR

Hong Kong Intl

Thu 28-8

18:50-20:10

Nonstop2h 20m

Nha Trang Cam Ranh

Mon 1-9

20:55-00:25

Nonstop2h 30m

HK$884

Hong KongDa Nang

HKG - DAD

HKGDAD

Hong Kong Intl

Fri 17-10

16:30-17:25

Nonstop1h 55m

Da Nang

Sun 19-10

10:05-13:05

Nonstop2h 00m

HK$931

Hong KongHanoi

HKG - HAN

HKGHAN

Hong Kong Intl

Mon 13-10

07:45-08:50

Nonstop2h 05m

Hanoi Noibai

Sat 18-10

09:35-12:40

Nonstop2h 05m

HK$939

Hong KongHanoi

HKG - HAN

HKGHAN

Hong Kong Intl

Sun 7-9

07:45-08:50

Nonstop2h 05m

Hanoi Noibai

Thu 11-9

09:35-12:40

Nonstop2h 05m

HK$947

Hong KongHanoi

HKG - HAN

HKGHAN

Hong Kong Intl

Sat 13-12

07:25-08:45

Nonstop2h 20m

Hanoi Noibai

Sun 21-12

21:55-00:55

Nonstop2h 00m

HK$947

Hong KongHanoi

HKG - HAN

HKGHAN

Hong Kong Intl

Tue 11-11

20:00-21:10

Nonstop2h 10m

Hanoi Noibai

Tue 25-11

09:30-12:35

Nonstop2h 05m

HK$962

Hong KongHanoi

HKG - HAN

HKGHAN

Hong Kong Intl

Thu 13-11

07:25-08:45

Nonstop2h 20m

Hanoi Noibai

Mon 24-11

09:30-12:35

Nonstop2h 05m

HK$962

Flights are sorted by cheapest return flights first.

Deals found on 18-8

Showing 1-10 of 60 results
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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, 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 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 18 August 2025.

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?

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.

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

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 August 2025.

The most flights from HK0 to VN0 are scheduled on a Friday (21 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (17 on average).

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 August 2025.
Get a feel of what it's like to fly with Cathay Pacific, Vietnam Airlines, andVietJet Air 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
969 reviews
Check prices

Food

7.3

Comfort

7.6

Crew

8.1

Entertainment

7.8

Boarding

7.9

Overall

7.6

Reviews

1 / 20
10.0
Excellent

anish,Aug 2025

HKG - KTM

Journey was way better than on the airbus from Toronto to Hongkong , as the economy seats were better .
Cathay Pacific
7.6
Good
969 reviews
Cathay Pacific
7.6
Good
969 reviews
Check prices

Food

7.3

Comfort

7.6

Crew

8.1

Entertainment

7.8

Boarding

7.9

Overall

7.6

Reviews

1 / 20
10.0
Excellent

anish,Aug 2025

HKG - KTM

Journey was way better than on the airbus from Toronto to Hongkong , as the economy seats were better .
Vietnam Airlines
7.5
Good
198 reviews
Cathay Pacific
7.6
Good
969 reviews
Check prices

Food

7.3

Comfort

7.6

Crew

8.1

Entertainment

7.8

Boarding

7.9

Overall

7.6

Reviews

1 / 20
10.0
Excellent

anish,Aug 2025

HKG - KTM

Journey was way better than on the airbus from Toronto to Hongkong , as the economy seats were better .
VietJet Air
5.6
Fair
146 reviews
Cathay Pacific
7.6
Good
969 reviews
Check prices

Food

7.3

Comfort

7.6

Crew

8.1

Entertainment

7.8

Boarding

7.9

Overall

7.6

Reviews

1 / 20
10.0
Excellent

anish,Aug 2025

HKG - KTM

Journey was way better than on the airbus from Toronto to Hongkong , as the economy seats were better .

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.

  • How popular is this Hong Kong to Vietnam flight route?

    Flights from Hong Kong to Vietnam have been viewed 491 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 20m. HK Express provides one of the quickest options available for as low as HK$845. Airlines will cover a distance of 1249 km. Most flights are nonstop.

  • 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

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Alternative routes for Hong Kong to Vietnam

See prices for flight routes from nearby airports that may be better suited for you.
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Top 9 airlines flying from Hong Kong to Vietnam

Discover the top 9 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 August 2025.
AirlineCheapestAverageFlexibilityOn-time
HK ExpressCheapestHK$854AverageHK$1,272FlexibilityNo cancel feeOn-time90%
Search HK Express flights
Hong Kong AirlinesCheapestHK$1,032AverageHK$1,541FlexibilityNo cancel feeOn-time65%
Search Hong Kong Airlines flights
VietJet AirCheapestHK$1,087AverageHK$1,691FlexibilityNo cancel feeOn-timeN/A
Search VietJet Air flights
Cathay PacificCheapestHK$1,226AverageHK$2,784FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
Greater Bay AirlinesCheapestHK$1,249AverageHK$1,852FlexibilityNo cancel feeOn-timeN/A
Search Greater Bay Airlines flights
Vietnam AirlinesCheapestHK$1,269AverageHK$1,792FlexibilityNo cancel feeOn-time81%
Search Vietnam Airlines flights
Philippine AirlinesCheapestHK$1,518AverageHK$1,771FlexibilityNo cancel feeOn-time60%
Search Philippine Airlines flights
FlexFlightCheapestHK$1,972AverageHK$2,181FlexibilityNo cancel feeOn-timeN/A
Search FlexFlight flights
Hahn Air SystemsCheapestHK$2,490AverageHK$2,733FlexibilityNo cancel feeOn-timeN/A
Search Hahn Air Systems 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?

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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