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Cheap flights from Hong Kong to Hanoi from $145

HKG — HAN
2 Nov — 9 Nov1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Hong Kong to Hanoi

Enter your travel dates to find the best prices.

Cheapest flights from Hong Kong to Hanoi

Sat 14/1112:55 -
Nonstop2h 05m
Sat 21/1109:15 -
Nonstop1h 40m
Deal found 30/9$272
Tue 17/1112:55 -
Nonstop2h 05m
Tue 24/1107:30 -
1 stop4h 45m
Deal found 3/10$305
Thu 12/1107:35 -
Nonstop2h 15m
Sat 14/1107:30 -
1 stop4h 45m
Deal found 1/10$317
Sun 29/1112:55 -
Nonstop2h 05m
Mon 30/1109:15 -
Nonstop1h 40m
Deal found 29/9$327
Sat 14/1116:50 -
1 stop9h 00m
Sat 21/1109:35 -
Nonstop2h 00m
Deal found 30/9$341
Wed 14/1013:05 -
Nonstop1h 55m
Mon 19/1009:20 -
Nonstop1h 45m
Deal found 30/9$386
Mon 16/1112:55 -
Nonstop2h 05m
Thu 19/1109:15 -
Nonstop1h 40m
Deal found 1/10$392
Mon 16/1114:30 -
Nonstop2h 15m
Thu 19/1110:30 -
Nonstop2h 00m
Deal found 29/9$393
Tue 6/1013:05 -
Nonstop1h 55m
Wed 14/1007:15 -
1 stop7h 30m
Deal found 29/9$405

Find flight deals from Hong Kong to Hanoi

Round-trip from

$272

One-way from

$145

Popular in

February

Cheapest in

January

Average price

$276

Good one-way deal

$173 or less
Sun PhuQuoc Airways
  • Sun PhuQuoc Airways
  • 14/11-21/11
  • Nonstop
  • 3h 45m total
  • Hong Kong to Hanoi
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Sun PhuQuoc Airways
  • Sun PhuQuoc Airways
  • 14/11-31/12
  • Nonstop
  • 2h 05m total
  • Hong Kong to Hanoi
Search Deals
High demand for flights, 9% potential price rise
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Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average return price).
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Average for round-trip flights in October 2026
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Price to beat on a one-way flight from Hong Kong Intl to Hanoi Noibai.
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Cheapflights Fare Finder

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

Fly from

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Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

Hong KongHanoi

HKG Hong Kong Intl - HAN Hanoi Noibai

HKGHAN

Hong Kong Intl

Tue 1/12

12:55-14:00

Nonstop2h 05m

Hanoi Noibai

Wed 31/12

00:00-00:00

Nonstop0h 00m

$207

Hong KongHanoi

HKG Hong Kong Intl - HAN Hanoi Noibai

HKGHAN

Hong Kong Intl

Fri 19/3

19:50-19:15

2 stops24h 25m

Hanoi Noibai

Wed 31/12

00:00-00:00

Nonstop0h 00m

$246

Hong KongHanoi

HKG Hong Kong Intl - HAN Hanoi Noibai

HKGHAN

Hong Kong Intl

Fri 30/10

19:50-19:55

2 stops25h 05m

Hanoi Noibai

Wed 31/12

00:00-00:00

Nonstop0h 00m

$253

Hong KongHanoi

HKG Hong Kong Intl - HAN Hanoi Noibai

HKGHAN

Hong Kong Intl

Fri 13/11

19:50-22:15

2 stops27h 25m

Hanoi Noibai

Wed 31/12

00:00-00:00

Nonstop0h 00m

$255

Hong KongHanoi

HKG Hong Kong Intl - HAN Hanoi Noibai

HKGHAN

Hong Kong Intl

Tue 17/11

19:15-01:05

2 stops30h 50m

Hanoi Noibai

Wed 31/12

00:00-00:00

Nonstop0h 00m

$266

Hong KongHanoi

HKG Hong Kong Intl - HAN Hanoi Noibai

HKGHAN

Hong Kong Intl

Sun 15/11

19:50-10:35

2 stops39h 45m

Hanoi Noibai

Wed 31/12

00:00-00:00

Nonstop0h 00m

$275

Hong KongHanoi

HKG Hong Kong Intl - HAN Hanoi Noibai

HKGHAN

Hong Kong Intl

Thu 3/12

19:50-07:10

1 stop12h 20m

Hanoi Noibai

Wed 31/12

00:00-00:00

Nonstop0h 00m

$276

Hong KongHanoi

HKG Hong Kong Intl - HAN Hanoi Noibai

HKGHAN

Hong Kong Intl

Thu 21/1

19:50-18:15

2 stops23h 25m

Hanoi Noibai

Wed 31/12

00:00-00:00

Nonstop0h 00m

$278

Hong KongHanoi

HKG Hong Kong Intl - HAN Hanoi Noibai

HKGHAN

Hong Kong Intl

Thu 5/11

16:40-21:55

2 stops30h 15m

Hanoi Noibai

Wed 31/12

00:00-00:00

Nonstop0h 00m

$288

Hong KongHanoi

HKG Hong Kong Intl - HAN Hanoi Noibai

HKGHAN

Hong Kong Intl

Thu 14/1

18:40-01:10

1 stop7h 30m

Hanoi Noibai

Wed 20/1

06:00-17:25

1 stop10h 25m

$439

Flights are sorted by cheapest return flights first.

Deals found on 29/9

Showing 1-10 of 20 resultsSorted by cheapest first
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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

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?

To ensure you get the cheapest price possible for a flight from Hong Kong to Hanoi, you should look to book at least 33 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, January is the cheapest month in which you can book a flight from Hong Kong to Hanoi (average of $213). Flying from Hong Kong to Hanoi in February is currently the most expensive (average of $384). 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?

A simple way to save on the total cost of your ticket is to fly from Hong Kong to Hanoi in the afternoon. If you’re flexible enough to do this you can expect to save up to 55% on your trip compared to booking a flight at midday.

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

Airfare is typical for this route at the moment.

Hong Kong to Hanoi flights typically cost between $245 and $348 in November.
The cheapest return price found within the last 5 days was $272 on Sun PhuQuoc Airways (14 Nov–21 Nov).

Related info for your journey

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

    The Hong Kong Intl to Hanoi Noibai flight path was viewed by 15 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 05m. 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 most reliable airlines from Hong Kong to Hanoi?

    Consider HK Express (98%), British Airways (79%) or Qatar Airways (78%) 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 $159. While the most popular route (Hong Kong Intl - Hanoi Noibai) can be booked for $271 on average, our data indicates $174 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, January is the cheapest month in which you can book a flight from Hong Kong to Hanoi (average of $213). Flying from Hong Kong to Hanoi in February is currently the most expensive (average of $384). 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

Alternative routes for Hong Kong to Hanoi

Hong Kong to Ho Chi Minh City flights
Hong Kong to Da Nang flights

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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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