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Cheap flights from Hong Kong to Hanoi from $93

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 26/10. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — HAN
16 Oct — 23 Oct1
1 adult
1 adult, Economy

Cheap 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 16 September 2025.

Round-trip from

$266

One-way from

$93

Popular in

January

Cheapest in

October

Average price

$230

Good one-way deal

$122 or less
31/10-7/11
  • 31/10-7/11
  • 1 total stop
  • 12h 15m total
  • Hong Kong to Hanoi
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HK Express
  • HK Express
  • 26/10
  • Nonstop
  • 2h 05m total
  • Hong Kong to Hanoi
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($92 potential increase over avg. return price).
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Cheapest flight prices on average. 4% potential price decrease ($17 potential savings vs. average return price).
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Average for round-trip flights in September 2025
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Price to beat on a one-way flight from Hong Kong Intl to Hanoi Noibai.
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Find flight deals from Hong Kong to Hanoi

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 16 September 2025.

Fri 31/1007:25HKG - HAN
Nonstop2h 20mMultiple Airlines
Fri 7/1111:50HAN - HKG
1 stop9h 55mMultiple Airlines
Deal found 15/9$266
Sun 2/1114:30HKG - HAN
Nonstop2h 10mVietnam Airlines
Mon 3/1110:30HAN - HKG
Nonstop2h 00mVietnam Airlines
Deal found 15/9$323
Wed 17/914:30HKG - HAN
Nonstop2h 05mVietnam Airlines
Mon 22/910:30HAN - HKG
Nonstop2h 00mVietnam Airlines
Deal found 16/9$342
Mon 13/1013:40HKG - HAN
1 stop12h 05mPhilippine Airlines
Fri 17/1001:45HAN - HKG
1 stop7h 25mPhilippine Airlines
Deal found 15/9$345
Mon 13/1007:45HKG - HAN
Nonstop2h 05mMultiple Airlines
Fri 17/1002:30HAN - HKG
1 stop14h 40mMultiple Airlines
Deal found 15/9$351
Fri 31/1011:15HKG - HAN
1 stop27h 15mPhilippine Airlines
Thu 6/1102:50HAN - HKG
1 stop8h 40mPhilippine Airlines
Deal found 15/9$353
Thu 18/915:30HKG - HAN
Nonstop2h 05mVietnam Airlines
Tue 23/910:30HAN - HKG
Nonstop2h 00mVietnam Airlines
Deal found 16/9$380

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 647,157 searches. Data last updated 16 September 2025.
Use the filters below to find and compare flights from Hong Kong to Hanoi that are best for you.

Fly from

Hong Kong

Fly to

Hanoi

Route

Depart

Return

Price

Hong KongHanoi

HKG - HAN

HKGHAN

Hong Kong Intl

Sun 2/11

14:30-15:40

Nonstop2h 10m

Hanoi Noibai

Mon 3/11

10:30-13:30

Nonstop2h 00m

$323

Hong KongHanoi

HKG - HAN

HKGHAN

Hong Kong Intl

Thu 30/10

00:05-07:35

1 stop8h 30m

Hanoi Noibai

Fri 7/11

11:50-22:45

1 stop9h 55m

$405

Hong KongHanoi

HKG - HAN

HKGHAN

Hong Kong Intl

Fri 31/10

11:10-16:30

1 stop6h 20m

Hanoi Noibai

Tue 4/11

11:35-23:00

1 stop10h 25m

$413

Hong KongHanoi

HKG - HAN

HKGHAN

Hong Kong Intl

Sat 1/11

17:35-10:35

1 stop18h 00m

Hanoi Noibai

Tue 4/11

11:35-23:00

1 stop10h 25m

$413

Hong KongHanoi

HKG - HAN

HKGHAN

Hong Kong Intl

Thu 25/12

21:50-17:15

1 stop20h 25m

Hanoi Noibai

Tue 30/12

18:20-11:50

1 stop16h 30m

$417

Hong KongHanoi

HKG - HAN

HKGHAN

Hong Kong Intl

Wed 29/10

10:10-17:15

1 stop8h 05m

Hanoi Noibai

Thu 6/11

12:35-20:50

1 stop7h 15m

$425

Hong KongHanoi

HKG - HAN

HKGHAN

Hong Kong Intl

Wed 29/10

20:05-10:35

1 stop15h 30m

Hanoi Noibai

Tue 4/11

11:35-23:00

1 stop10h 25m

$425

Hong KongHanoi

HKG - HAN

HKGHAN

Hong Kong Intl

Thu 30/10

21:10-10:35

1 stop14h 25m

Hanoi Noibai

Wed 5/11

11:35-20:10

1 stop7h 35m

$425

Hong KongHanoi

HKG - HAN

HKGHAN

Hong Kong Intl

Wed 29/10

14:05-10:35

1 stop21h 30m

Hanoi Noibai

Mon 3/11

11:35-20:10

1 stop7h 35m

$425

Hong KongHanoi

HKG - HAN

HKGHAN

Hong Kong Intl

Thu 2/10

23:00-00:45

1 stop26h 45m

Hanoi Noibai

Thu 9/10

02:30-17:20

1 stop13h 50m

$429

Flights are sorted by cheapest return flights first.

Deals found on 16/9

Showing 1-10 of 24 results
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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?

Use this chart to determine the optimal time to book a return flight from Hong Kong to Hanoi. Price data was last updated on 12 September 2025.

To ensure you get the cheapest price possible for a flight from Hong Kong to Hanoi, you should look to book at least 81 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 month to book a flight from Hong Kong to Hanoi?

Currently, October is the cheapest month in which you can book a flight from Hong Kong to Hanoi (average of $460). Flying from Hong Kong to Hanoi in December is currently the most expensive (average of $817). 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 16 September 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Hong Kong to Hanoi as you normally would.

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.

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

    The Hong Kong Intl to Hanoi Noibai flight path was viewed by 12 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    Departing from Hong Kong to Hanoi will take you 2h 10m. The distance between Hong Kong and Hanoi is about 845 km. Both multi-stop and direct flights can be found to your destination and back.

  • 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 ($138), Vietnam Airlines ($183), and VietJet Air ($192).

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

    Consider HK Express (80%), British Airways (59%) or Qatar Airways (55%) 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?

    Looking at all options, your cheapest flight can be booked for $115. While the most popular route (Hong Kong Intl - Hanoi Noibai) can be booked for $254 on average, our data indicates $131 when flying from Hong Kong to Hanoi.

  • 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, October is the cheapest month in which you can book a flight from Hong Kong to Hanoi (average of $460). Flying from Hong Kong to Hanoi in December is currently the most expensive (average of $817). 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.

Alternative routes for Hong Kong to Hanoi

See prices for flight routes from nearby airports that may be better suited for you.
Hong Kong to Ho Chi Minh City flights
Hong Kong to Da Nang 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 makes it easy to find Hong Kong to Hanoi flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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?

Yes, we can. To see specific flights from Hong Kong to Hanoi with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Yes, Cheapflights offers price alerts on Hong Kong to Hanoi 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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