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Cheap flights from Hong Kong to Vietnam from HK$420

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 27-11. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — SGN
14 Oct — 21 Oct1
1 adult
1 adult, Economy

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 14 September 2025.

Round-trip from

HK$801

One-way from

HK$420

Popular in

December

Cheapest in

August

Average price

HK$1,532

Good round-trip deal

HK$873 or less

Good one-way deal

HK$468 or less
HK Express
  • HK Express
  • 16-10-20-10
  • Nonstop
  • 4h 50m total
  • Hong Kong to Vietnam
Search Deals
HK Express
  • HK Express
  • 27-11
  • Nonstop
  • 2h 50m total
  • Hong Kong to Vietnam
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (HK$2,290 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (HK$362 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 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 14 September 2025.

Thu 16-1018:50HKG - CXR
Nonstop2h 20mHK Express
Mon 20-1020:55CXR - HKG
Nonstop2h 30mHK Express
Deal found 13-9HK$801
Tue 28-1018:55HKG - CXR
Nonstop2h 20mHK Express
Tue 4-1121:00CXR - HKG
Nonstop2h 25mHK Express
Deal found 13-9HK$817
Sat 20-918:50HKG - CXR
Nonstop2h 20mHK Express
Sat 27-920:55CXR - HKG
Nonstop2h 30mHK Express
Deal found 12-9HK$824
Thu 25-918:50HKG - CXR
Nonstop2h 20mHK Express
Mon 29-920:55CXR - HKG
Nonstop2h 30mHK Express
Deal found 12-9HK$832
Thu 23-1018:50HKG - CXR
Nonstop2h 20mHK Express
Thu 30-1021:00CXR - HKG
Nonstop2h 25mHK Express
Deal found 11-9HK$840
Thu 23-1018:50HKG - CXR
Nonstop2h 20mHK Express
Mon 27-1021:00CXR - HKG
Nonstop2h 25mHK Express
Deal found 12-9HK$848
Mon 22-916:10HKG - PQC
Nonstop2h 55mHK Express
Sat 27-912:30PQC - HKG
Nonstop3h 05mHK Express
Deal found 12-9HK$856
Wed 17-907:45HKG - PQC
Nonstop2h 55mMultiple Airlines
Wed 24-911:55PQC - HKG
Nonstop2h 45mMultiple Airlines
Deal found 12-9HK$863
Thu 16-1016:30HKG - CXR
1 stop21h 05mMultiple Airlines
Mon 20-1020:55CXR - HKG
Nonstop2h 30mMultiple Airlines
Deal found 13-9HK$871
Sun 21-916:10HKG - PQC
Nonstop2h 55mMultiple Airlines
Wed 24-911:55PQC - HKG
Nonstop2h 45mMultiple Airlines
Deal found 12-9HK$871
Mon 10-1116:40HKG - PQC
Nonstop2h 45mVietJet Air
Sun 16-1111:55PQC - HKG
Nonstop2h 45mVietJet Air
Deal found 13-9HK$879
Sun 9-1116:40HKG - PQC
Nonstop2h 45mVietJet Air
Thu 13-1111:55PQC - HKG
Nonstop2h 45mVietJet Air
Deal found 13-9HK$887

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 14 September 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

Thu 23-10

18:50-20:10

Nonstop2h 20m

Nha Trang Cam Ranh

Thu 30-10

21:00-00:25

Nonstop2h 25m

HK$848

Hong KongNha Trang

HKG - CXR

HKGCXR

Hong Kong Intl

Thu 16-10

16:30-12:35

1 stop21h 05m

Nha Trang Cam Ranh

Mon 20-10

20:55-00:25

Nonstop2h 30m

HK$871

Hong KongDa Nang

HKG - DAD

HKGDAD

Hong Kong Intl

Mon 13-10

08:25-09:20

Nonstop1h 55m

Da Nang

Thu 16-10

18:10-21:10

Nonstop2h 00m

HK$902

Hong KongDa Nang

HKG - DAD

HKGDAD

Hong Kong Intl

Thu 25-9

16:30-17:25

Nonstop1h 55m

Da Nang

Mon 29-9

22:10-01:10

Nonstop2h 00m

HK$918

Hong KongHanoi

HKG - HAN

HKGHAN

Hong Kong Intl

Fri 17-10

07:45-08:50

Nonstop2h 05m

Hanoi Noibai

Sun 19-10

09:35-12:40

Nonstop2h 05m

HK$996

Hong KongNha Trang

HKG - CXR

HKGCXR

Hong Kong Intl

Tue 20-1

18:55-20:15

Nonstop2h 20m

Nha Trang Cam Ranh

Sat 24-1

21:00-00:25

Nonstop2h 25m

HK$1,027

Hong KongDa Nang

HKG - DAD

HKGDAD

Hong Kong Intl

Fri 26-9

16:30-17:25

Nonstop1h 55m

Da Nang

Wed 1-10

22:10-01:10

Nonstop2h 00m

HK$1,174

Hong KongHo Chi Minh City

HKG - SGN

HKGSGN

Hong Kong Intl

Fri 31-10

19:50-21:30

Nonstop2h 40m

Ho Chi Minh City

Tue 4-11

14:50-18:30

Nonstop2h 40m

HK$1,206

Hong KongDa Nang

HKG - DAD

HKGDAD

Hong Kong Intl

Fri 12-12

07:55-08:50

Nonstop1h 55m

Da Nang

Fri 19-12

18:30-21:25

Nonstop1h 55m

HK$1,206

Hong KongDa Nang

HKG - DAD

HKGDAD

Hong Kong Intl

Mon 29-12

16:50-17:45

Nonstop1h 55m

Da Nang

Fri 9-1

10:05-13:00

Nonstop1h 55m

HK$1,229

Flights are sorted by cheapest return flights first.

Deals found on 12-9

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$240). 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 14 September 2025.

It’s optimal to fly from Hong Kong to Vietnam in the morning. By choosing this option you can save up to 16% on the cost of your flight, compared to a flight at midday.

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 14 September 2025.

The most flights from HKG to VN0 are scheduled on a Saturday (19 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (8 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 14 September 2025.
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
993 reviews
Check prices

Boarding

7.9

Entertainment

7.8

Overall

7.6

Food

7.3

Comfort

7.6

Crew

8.1

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
993 reviews
Cathay Pacific
7.6
Good
993 reviews
Check prices

Boarding

7.9

Entertainment

7.8

Overall

7.6

Food

7.3

Comfort

7.6

Crew

8.1

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
7.6
Good
201 reviews
Cathay Pacific
7.6
Good
993 reviews
Check prices

Boarding

7.9

Entertainment

7.8

Overall

7.6

Food

7.3

Comfort

7.6

Crew

8.1

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
147 reviews
Cathay Pacific
7.6
Good
993 reviews
Check prices

Boarding

7.9

Entertainment

7.8

Overall

7.6

Food

7.3

Comfort

7.6

Crew

8.1

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.

  • 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 488 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$848. Airlines will cover a distance of 1249 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • 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: Cathay Pacific (54%), Vietnam Airlines (54%), American Airlines (53%).

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

    On average you can expect to pay HK$1,547 for a flight from Hong Kong to Vietnam. The cheapest flight overall is HK$595 while the most popular route, (Hong Kong Intl - Da Nang) is currently priced at HK$972.

  • 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$240). 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 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 14 September 2025.
AirlineCheapestAverageFlexibilityOn-time
HK ExpressCheapestHK$839AverageHK$1,250FlexibilityNo cancel feeOn-time90%
Search HK Express flights
VietJet AirCheapestHK$962AverageHK$1,666FlexibilityNo cancel feeOn-timeN/A
Search VietJet Air flights
Hong Kong AirlinesCheapestHK$1,008AverageHK$1,547FlexibilityNo cancel feeOn-time65%
Search Hong Kong Airlines flights
Cathay PacificCheapestHK$1,039AverageHK$2,712FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
Greater Bay AirlinesCheapestHK$1,203AverageHK$1,841FlexibilityNo cancel feeOn-timeN/A
Search Greater Bay Airlines flights
Vietnam AirlinesCheapestHK$1,245AverageHK$1,780FlexibilityNo cancel feeOn-time81%
Search Vietnam Airlines flights
Philippine AirlinesCheapestHK$1,509AverageHK$1,761FlexibilityNo cancel feeOn-time60%
Search Philippine Airlines flights
FlexFlightCheapestHK$1,961AverageHK$2,168FlexibilityNo cancel feeOn-timeN/A
Search FlexFlight 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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