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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
13 Oct — 20 Oct1
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 13 September 2025.
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 13 September 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 13 September 2025.
Sat 20-918:50HKG - CXR
Nonstop2h 20mHK Express
Sat 27-920:55CXR - HKG
Nonstop2h 30mHK Express
Deal found 12-9HK$825
Thu 25-918:50HKG - CXR
Nonstop2h 20mHK Express
Mon 29-920:55CXR - HKG
Nonstop2h 30mHK Express
Deal found 12-9HK$833
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
Sat 20-916:10HKG - PQC
Nonstop2h 55mMultiple Airlines
Thu 25-911:55PQC - HKG
Nonstop2h 45mMultiple Airlines
Deal found 10-9HK$856
Tue 16-916:10HKG - PQC
Nonstop2h 55mMultiple Airlines
Fri 19-911:55PQC - HKG
Nonstop2h 45mMultiple Airlines
Deal found 11-9HK$864
Sat 20-916:10HKG - PQC
Nonstop2h 55mMultiple Airlines
Sat 27-911:55PQC - HKG
Nonstop2h 45mMultiple Airlines
Deal found 11-9HK$872
Sun 14-907:45HKG - PQC
Nonstop2h 55mHK Express
Fri 19-919:05PQC - HKG
Nonstop3h 20mHK Express
Deal found 12-9HK$879
Sun 9-1116:40HKG - PQC
Nonstop2h 45mVietJet Air
Thu 13-1111:55PQC - HKG
Nonstop2h 45mVietJet Air
Deal found 13-9HK$887
Sat 13-916:10HKG - PQC
Nonstop2h 55mMultiple Airlines
Fri 19-911:55PQC - HKG
Nonstop2h 45mMultiple Airlines
Deal found 12-9HK$895
Mon 13-1016:30HKG - DAD
Nonstop1h 55mHK Express
Mon 20-1010:05DAD - HKG
Nonstop2h 00mHK Express
Deal found 11-9HK$903
Mon 15-916:40HKG - PQC
Nonstop2h 45mMultiple Airlines
Thu 18-910:40PQC - HKG
Nonstop3h 05mMultiple Airlines
Deal found 13-9HK$903
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 13 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 25-9
18:50-20:10
Nonstop2h 20m
Nha Trang Cam Ranh
Mon 29-9
20:55-00:25
Nonstop2h 30m
HK$833
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$840
Hong KongPhu Quoc
HKG - PQC
HKGPQC
Hong Kong Intl
Sat 1-11
16:05-17:55
Nonstop2h 50m
Phu Quoc Duong Dang
Sat 8-11
11:55-15:40
Nonstop2h 45m
HK$864
Hong KongDa Nang
HKG - DAD
HKGDAD
Hong Kong Intl
Wed 15-10
08:25-09:20
Nonstop1h 55m
Da Nang
Tue 21-10
10:05-13:05
Nonstop2h 00m
HK$918
Hong KongPhu Quoc
HKG - PQC
HKGPQC
Hong Kong Intl
Fri 26-9
16:40-18:25
Nonstop2h 45m
Phu Quoc Duong Dang
Wed 1-10
12:30-16:35
Nonstop3h 05m
HK$1,012
Hong KongDa Nang
HKG - DAD
HKGDAD
Hong Kong Intl
Mon 12-1
10:45-11:40
Nonstop1h 55m
Da Nang
Sat 17-1
12:25-15:20
Nonstop1h 55m
HK$1,027
Hong KongHo Chi Minh City
HKG - SGN
HKGSGN
Hong Kong Intl
Tue 14-10
20:35-22:15
Nonstop2h 40m
Ho Chi Minh City
Sun 19-10
15:10-18:50
Nonstop2h 40m
HK$1,121
Hong KongPhu Quoc
HKG - PQC
HKGPQC
Hong Kong Intl
Sun 26-10
16:40-18:25
Nonstop2h 45m
Phu Quoc Duong Dang
Sun 2-11
11:55-15:40
Nonstop2h 45m
HK$1,222
Hong KongDa Nang
HKG - DAD
HKGDAD
Hong Kong Intl
Wed 12-11
08:25-09:20
Nonstop1h 55m
Da Nang
Sat 15-11
18:55-00:25
1 stop4h 30m
HK$1,253
Hong KongDa Nang
HKG - DAD
HKGDAD
Hong Kong Intl
Thu 25-9
16:30-17:25
Nonstop1h 55m
Da Nang
Tue 30-9
17:30-00:25
1 stop5h 55m
HK$1,268
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$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 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 13 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 13 September 2025.
The most flights from HK0 to VN0 are scheduled on a Thursday (19 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (15 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 13 September 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.
Overall
7.6
Crew
8.1
Boarding
7.9
Food
7.3
Comfort
7.6
Entertainment
7.8
Reviews
1 / 20
10.0
Excellentanish,Aug 2025
HKG - KTM
Overall
7.6
Crew
8.1
Boarding
7.9
Food
7.3
Comfort
7.6
Entertainment
7.8
Reviews
1 / 20
10.0
Excellentanish,Aug 2025
HKG - KTM
Overall
7.6
Crew
8.1
Boarding
7.9
Food
7.3
Comfort
7.6
Entertainment
7.8
Reviews
1 / 20
10.0
Excellentanish,Aug 2025
HKG - KTM
Overall
7.6
Crew
8.1
Boarding
7.9
Food
7.3
Comfort
7.6
Entertainment
7.8
Reviews
1 / 20
10.0
Excellentanish,Aug 2025
HKG - KTM
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.
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 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 13 September 2025.
Fly with Cheapflights
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How does Cheapflights help users find flights from Hong Kong to Vietnam?
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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.