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Cheap flights from Hong Kong to Hanoi from HK$831

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 17-5. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — HAN
28 Mai — 4 Jun1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Hong Kong Intl to Hanoi Noibai are usually found in November or October, booked 75 days in advance, depart on a Wednesday or Saturday and return on a Tuesday

Cheap flight deals from Hong Kong to Hanoi

Enter your travel dates to find the best prices.

Cheapest flights from Hong Kong to Hanoi
Explore the most affordable flight options available from Hong Kong to Hanoi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 April 2026.

Do 7-507:40
HKG
-
HAN
Nonstop2h 10m
HK Express
Mo 11-509:35
HAN
-
HKG
Nonstop2h 05m
HK Express
Deal found 28-4HK$1,262
Sa 4-707:40
HKG
-
HAN
Nonstop2h 10m
HK Express
Do 9-709:35
HAN
-
HKG
Nonstop2h 05m
HK Express
Deal found 26-4HK$1,552
Mo 25-507:40
HKG
-
HAN
Nonstop2h 10m
HK Express
Mo 1-609:35
HAN
-
HKG
Nonstop2h 05m
HK Express
Deal found 27-4HK$1,559
Sa 9-507:40
HKG
-
HAN
Nonstop2h 10m
HK Express
So 17-509:35
HAN
-
HKG
Nonstop2h 05m
HK Express
Deal found 28-4HK$1,575
Do 28-507:40
HKG
-
HAN
Nonstop2h 10m
HK Express
Mo 1-609:35
HAN
-
HKG
Nonstop2h 05m
HK Express
Deal found 23-4HK$1,583
Do 28-507:40
HKG
-
HAN
Nonstop2h 10m
HK Express
Do 4-609:35
HAN
-
HKG
Nonstop2h 05m
HK Express
Deal found 28-4HK$1,591
Do 7-507:40
HKG
-
HAN
Nonstop2h 10m
HK Express
Di 12-509:35
HAN
-
HKG
Nonstop2h 05m
HK Express
Deal found 27-4HK$1,599
Di 26-507:40
HKG
-
HAN
Nonstop2h 10m
HK Express
Sa 6-609:35
HAN
-
HKG
Nonstop2h 05m
HK Express
Deal found 28-4HK$1,607
Di 19-507:40
HKG
-
HAN
Nonstop2h 10m
HK Express
Fr 22-509:35
HAN
-
HKG
Nonstop2h 05m
HK Express
Deal found 23-4HK$1,614
Sa 2-507:40
HKG
-
HAN
Nonstop2h 10m
HK Express
Mi 6-509:35
HAN
-
HKG
Nonstop2h 05m
HK Express
Deal found 27-4HK$1,622
So 24-507:40
HKG
-
HAN
Nonstop2h 10m
HK Express
Mi 27-509:35
HAN
-
HKG
Nonstop2h 05m
HK Express
Deal found 27-4HK$1,638

Find flight deals from Hong Kong to Hanoi

Discover tips and strategies to find the most affordable flight options for your journey from Hong Kong (HKG) to Hanoi (HAN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 28 April 2026.

Round-trip from

HK$1,552

One-way from

HK$831

Popular in

February

Cheapest in

November

Average price

HK$1,787

Good round-trip deal

HK$1,556 or less

Good one-way deal

HK$986 or less
HK Express
  • HK Express
  • 4-7-9-7
  • Nonstop
  • 4h 15m total
  • Hong Kong to Hanoi
Search Deals
HK Express
  • HK Express
  • 17-5
  • Nonstop
  • 2h 10m total
  • Hong Kong to Hanoi
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (HK$1,089 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (HK$479 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
Search Deals
Price to beat on a round-trip flight from Hong Kong Intl to Hanoi Noibai.
Search Deals
Price to beat on a one-way flight from Hong Kong Intl to Hanoi Noibai.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Hong Kong to Hanoi 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 28 April 2026.
Use the filters below to find and compare flights from Hong Kong to Hanoi that are best for you.

Fly from

Fly to

Route

Departure

Return

Price

Cheapest return flight

Hong KongHanoi

HKG - HAN

HKGHAN

Hong Kong Intl

So 17-5

07:40-08:50

Nonstop2h 10m

Hanoi Noibai

Di 19-5

08:00-17:25

1 stop8h 25m

HK$2,233
Fastest return journey

Hong KongHanoi

HKG - HAN

HKGHAN

Hong Kong Intl

Mo 19-10

14:30-15:35

Nonstop2h 05m

Hanoi Noibai

Mo 9-11

10:35-13:30

Nonstop1h 55m

HK$2,406

Hong KongHanoi

HKG - HAN

HKGHAN

Hong Kong Intl

Mi 23-9

14:30-15:35

Nonstop2h 05m

Hanoi Noibai

Mo 19-10

06:00-17:25

1 stop10h 25m

HK$2,429

Hong KongHanoi

HKG - HAN

HKGHAN

Hong Kong Intl

Do 22-10

14:30-15:35

Nonstop2h 05m

Hanoi Noibai

Mo 26-10

06:00-17:25

1 stop10h 25m

HK$2,429

Hong KongHanoi

HKG - HAN

HKGHAN

Hong Kong Intl

Di 9-6

18:45-01:10

1 stop7h 25m

Hanoi Noibai

Di 16-6

09:00-17:25

1 stop7h 25m

HK$2,664

Hong KongHanoi

HKG - HAN

HKGHAN

Hong Kong Intl

Fr 8-5

21:15-14:45

1 stop18h 30m

Hanoi Noibai

Fr 15-5

15:45-10:30

2 stops17h 45m

HK$2,688

Hong KongHanoi

HKG - HAN

HKGHAN

Hong Kong Intl

Mi 7-10

19:50-22:35

2 stops27h 45m

Hanoi Noibai

Mo 7-12

06:05-18:50

1 stop11h 45m

HK$2,853

Hong KongHanoi

HKG - HAN

HKGHAN

Hong Kong Intl

Fr 17-7

21:15-14:45

1 stop18h 30m

Hanoi Noibai

Di 21-7

02:20-14:05

1 stop10h 45m

HK$2,962

Hong KongHanoi

HKG - HAN

HKGHAN

Hong Kong Intl

Di 9-6

15:05-01:20

1 stop11h 15m

Hanoi Noibai

Di 16-6

15:45-10:30

2 stops17h 45m

HK$3,025

Hong KongHanoi

HKG - HAN

HKGHAN

Hong Kong Intl

Di 19-5

12:50-01:20

1 stop13h 30m

Hanoi Noibai

Fr 22-5

15:45-10:30

2 stops17h 45m

HK$3,025

Flights are sorted by cheapest return flights first.

Deals found on 27-4

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
3

Best time to book a flight from Hong Kong to Hanoi

Have a flexible travel schedule? Discover the best time to fly to Hanoi 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 Hanoi

How far ahead should I book a flight from Hong Kong to Hanoi?

Booking 74 days in advance of your planned departure date is, on average, the best time to get cheap flights from Hong Kong to Hanoi. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, November is the cheapest month in which you can book a flight from Hong Kong to Hanoi (average of HK$1,105). Flying from Hong Kong to Hanoi in February is currently the most expensive (average of HK$2,014). 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 HAN?

Find hourly flight availability from Hong Kong to Hanoi. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 28 April 2026.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 50% on flights from Hong Kong to Hanoi by exploring options for tickets in the morning.

How much does it cost for a return flight from Hong Kong to Hanoi?

Reviews of airlines servicing Hanoi

Get insights into the airlines that provide service to Hanoi. 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 Hanoi. Reviews last updated 28 April 2026.
See what other customers who have flown with Vietnam Airlines,Cathay Pacific, andHK Express from Hong Kong to Hanoi have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Vietnam Airlines
7.7
Good
264 reviews
Check prices

Overall

7.7

Boarding

7.7

Crew

8.2

Comfort

7.7

Entertainment

6.3

Food

6.9

Reviews

1 / 16
2.0
Mediocre

Stephen,Apr 2026

SGN - DAD

45 minutes late. Bottle of water and that’s about it.
Vietnam Airlines
7.7
Good
264 reviews
Vietnam Airlines
7.7
Good
264 reviews
Check prices

Overall

7.7

Boarding

7.7

Crew

8.2

Comfort

7.7

Entertainment

6.3

Food

6.9

Reviews

1 / 16
2.0
Mediocre

Stephen,Apr 2026

SGN - DAD

45 minutes late. Bottle of water and that’s about it.
Cathay Pacific
7.6
Good
1,306 reviews
Vietnam Airlines
7.7
Good
264 reviews
Check prices

Overall

7.7

Boarding

7.7

Crew

8.2

Comfort

7.7

Entertainment

6.3

Food

6.9

Reviews

1 / 16
2.0
Mediocre

Stephen,Apr 2026

SGN - DAD

45 minutes late. Bottle of water and that’s about it.
HK Express
7.3
Good
44 reviews
Vietnam Airlines
7.7
Good
264 reviews
Check prices

Overall

7.7

Boarding

7.7

Crew

8.2

Comfort

7.7

Entertainment

6.3

Food

6.9

Reviews

1 / 16
2.0
Mediocre

Stephen,Apr 2026

SGN - DAD

45 minutes late. Bottle of water and that’s about it.
Hong Kong Airlines
6.3
Okay
32 reviews
Vietnam Airlines
7.7
Good
264 reviews
Check prices

Overall

7.7

Boarding

7.7

Crew

8.2

Comfort

7.7

Entertainment

6.3

Food

6.9

Reviews

1 / 16
2.0
Mediocre

Stephen,Apr 2026

SGN - DAD

45 minutes late. Bottle of water and that’s about it.

Related info for your journey

Find useful and relevant information for your journey from Hong Kong to Hanoi. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Hong Kong to Hanoi?

    To fly from Hong Kong to Hanoi, you need to book a flight from Hong Kong Intl (HKG) to Noibai (HAN). Nonstop flights to Hanoi Noibai from Hong Kong Intl take 2h 05m on average. When it comes time to book airfare, you have a few options: there are 7 outbound flights from Hong Kong Intl to Noibai offered by 4 different airlines.

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

    Flights from Hong Kong Intl to Hanoi Noibai have been viewed 424 times in the past calendar month.

  • How long is the flight from Hong Kong to Hanoi?

    Vietnam Airlines can get you from Hong Kong to Hanoi in just under 2h 05m. Your travel time will be generally consistent. There are 845 km between Hong Kong and Hanoi. Most flights are nonstop.

  • What are the cheapest airlines flying from Hong Kong to Hanoi round-trip?

    Flying on HK Express is currently your cheapest option to Hanoi, with prices starting at HK$914. Additional round-trip tickets that might be worth considering are offered by Cathay Pacific and Hong Kong Airlines, with the lowest prices starting at HK$1,042 and HK$1,206, respectively. HK Express is priced at 32% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Hong Kong to Hanoi one-way?

    The cheapet airlines for a one-way flight from Hong Kong to Hanoi are HK Express (HK$471), Hong Kong Airlines (HK$690), and Vietnam Airlines (HK$811).

  • What are the most reliable airlines from Hong Kong to Hanoi?

    Consider Atlas Air (100%), Hong Kong Airlines (80%) or Air Canada (73%) when booking your flight. These represent the most reliable airlines when flying from Hong Kong to Hanoi.

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

    The cheapest flight price from Hong Kong to Hanoi is HK$828. On average you can expect to pay HK$1,679. The most popular route, (Hong Kong Intl - Hanoi Noibai), can usually be booked for HK$1,779.

  • Can I find deals for flights from Hong Kong to Hanoi that include hotel bookings?

    Yes. In addition to deals on Hong Kong to Hanoi flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Hong Kong to Hanoi?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Hong Kong to Hanoi.

  • Can I find deals for business class flights from Hong Kong to Hanoi?

    Yes. Cheapflights offers flight deals from Hong Kong to Hanoi 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 Hanoi?

    Currently, November is the cheapest month in which you can book a flight from Hong Kong to Hanoi (average of HK$1,105). Flying from Hong Kong to Hanoi in February is currently the most expensive (average of HK$2,014). 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.

Fly from Hong Kong to Hanoi on these airlines

Choose from the following airlines for your flight from Hong Kong to Hanoi. Flights are based on user searches made on Cheapflights and were last updated on 28 April 2026.
HK Express flights from Hong Kong Intl to Hanoi Noibai
Vietnam Airlines flights from Hong Kong Intl to Hanoi Noibai
Cathay Pacific flights from Hong Kong Intl to Hanoi Noibai

Top 4 airlines flying from Hong Kong to Hanoi

Discover the top 4 airlines that operate flights from Hong Kong to Hanoi. 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 28 April 2026.
AirlineCheapestAverageFlexibilityOn-time
HK ExpressCheapestHK$914AverageHK$1,107FlexibilityNo cancel feeOn-time90%
Search HK Express flights
Cathay PacificCheapestHK$1,042AverageHK$2,394FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
Hong Kong AirlinesCheapestHK$1,206AverageHK$1,641FlexibilityNo cancel feeOn-time65%
Search Hong Kong Airlines flights
Vietnam AirlinesCheapestHK$1,478AverageHK$1,806FlexibilityNo cancel feeOn-time81%
Search Vietnam Airlines 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 Hanoi?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Hong Kong to Hanoi. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Hong Kong to Hanoi?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Hanoi from Hong Kong.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Hong Kong to Hanoi flexibly with Cheapflights today.

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

Of course! You can now track prices for flights from Hong Kong to Hanoi and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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