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Cheap flights from Hong Kong to Hanoi from £45

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Hong Kong to Hanoi departing on 18/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap return flights

HK Express Logo
20:05 - 21:10HKG-HAN
2h 05mdirect
HK Express Logo
09:30 - 12:35HAN-HKG
2h 05mdirect
£90HK Express
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Sun, 26 Oct - Sun, 2 Nov
HK Express Logo
07:45 - 08:50HKG-HAN
2h 05mdirect
HK Express Logo
09:30 - 12:35HAN-HKG
2h 05mdirect
£94HK Express
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Fri, 24 Oct - Sat, 1 Nov
Logo
16:50 - 07:05HKG-HAN
15h 15m1 stop
Logo
09:30 - 12:35HAN-HKG
2h 05mdirect
£121
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Mon, 1 Dec - Wed, 17 Dec
Logo
07:45 - 08:50HKG-HAN
2h 05mdirect
Logo
16:30 - 00:25HAN-HKG
6h 55m1 stop
£122
Find Deal
Fri, 24 Oct - Sat, 1 Nov
Vietnam Airlines Logo
14:30 - 15:40HKG-HAN
2h 10mdirect
Vietnam Airlines Logo
10:30 - 13:30HAN-HKG
2h 00mdirect
£163Vietnam Airlines
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Fri, 19 Dec - Fri, 2 Jan
Philippine Airlines Logo
13:40 - 00:45HKG-HAN
12h 05m1 stop
Philippine Airlines Logo
01:45 - 12:25HAN-HKG
9h 40m1 stop
£168Philippine Airlines
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Fri, 3 Oct - Sun, 5 Oct
Philippine Airlines Logo
18:20 - 00:45HKG-HAN
7h 25m1 stop
Philippine Airlines Logo
01:45 - 10:10HAN-HKG
7h 25m1 stop
£168Philippine Airlines
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Fri, 3 Oct - Sun, 5 Oct
Vietnam Airlines Logo
14:30 - 15:35HKG-HAN
2h 05mdirect
Vietnam Airlines Logo
10:30 - 13:30HAN-HKG
2h 00mdirect
£179Vietnam Airlines
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Fri, 3 Oct - Mon, 6 Oct
Cathay Pacific Logo
08:50 - 10:05HKG-HAN
2h 15mdirect
Cathay Pacific Logo
19:25 - 22:20HAN-HKG
1h 55mdirect
£215Cathay Pacific
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Sat, 1 Nov - Tue, 4 Nov
Cathay Pacific Logo
08:50 - 10:05HKG-HAN
2h 15mdirect
Cathay Pacific Logo
11:05 - 14:00HAN-HKG
1h 55mdirect
£216Cathay Pacific
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Sat, 1 Nov - Tue, 4 Nov

China Eastern flights from Hong Kong to Hanoi

Our best China Eastern deals on Hong Kong to Hanoi flight tickets
China Eastern
26 Oct
HKG18:25Hong Kong Intl
21h 50m
2 stops
HAN15:15Hanoi Noibai
1 Nov
HAN02:35Hanoi Noibai
13h 50m
1 stop
HKG17:25Hong Kong Intl
£207
Find similar
China Eastern
19 Sept
HKG17:05Hong Kong Intl
9h 15m
1 stop
HAN01:20Hanoi Noibai
21 Sept
HAN02:20Hanoi Noibai
8h 30m
1 stop
HKG11:50Hong Kong Intl
£210
Find similar

China Airlines flights from Hong Kong to Hanoi

Our best China Airlines deals on Hong Kong to Hanoi flight tickets
China Airlines
25 Oct
HKG10:15Hong Kong Intl
7h 35m
1 stop
HAN16:50Hanoi Noibai
2 Nov
HAN17:30Hanoi Noibai
15h 40m
1 stop
HKG10:10Hong Kong Intl
£188
Find similar
China Airlines
30 Nov
HKG17:35Hong Kong Intl
18h 00m
1 stop
HAN10:35Hanoi Noibai
19 Dec
HAN11:35Hanoi Noibai
7h 35m
1 stop
HKG20:10Hong Kong Intl
£202
Find similar
China Airlines
22 Dec
HKG07:50Hong Kong Intl
9h 40m
1 stop
HAN16:30Hanoi Noibai
5 Jan
HAN17:30Hanoi Noibai
6h 00m
1 stop
HKG00:30Hong Kong Intl
£208
Find similar

momondo 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, momondo users made 279,928 searches. Data last updated 12 September 2025.
Use the filters below to find and compare flights from Hong Kong to Hanoi that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Hong KongHanoi

HKG - HAN

HKGHAN

Hong Kong Intl

Sun 26/10

20:05-21:10

Nonstop2h 05m

Hanoi Noibai

Sun 2/11

09:30-12:35

Nonstop2h 05m

£90

Hong KongHanoi

HKG - HAN

HKGHAN

Hong Kong Intl

Fri 24/10

07:45-08:50

Nonstop2h 05m

Hanoi Noibai

Sat 1/11

09:30-12:35

Nonstop2h 05m

£94

Hong KongHanoi

HKG - HAN

HKGHAN

Hong Kong Intl

Mon 1/12

16:50-07:05

1 stop15h 15m

Hanoi Noibai

Wed 17/12

09:30-12:35

Nonstop2h 05m

£121

Hong KongHanoi

HKG - HAN

HKGHAN

Hong Kong Intl

Fri 24/10

07:45-08:50

Nonstop2h 05m

Hanoi Noibai

Sat 1/11

16:30-00:25

1 stop6h 55m

£122

Hong KongHanoi

HKG - HAN

HKGHAN

Hong Kong Intl

Fri 19/12

14:30-15:40

Nonstop2h 10m

Hanoi Noibai

Fri 2/1

10:30-13:30

Nonstop2h 00m

£163

Hong KongHanoi

HKG - HAN

HKGHAN

Hong Kong Intl

Fri 3/10

13:40-00:45

1 stop12h 05m

Hanoi Noibai

Sun 5/10

01:45-12:25

1 stop9h 40m

£168

Hong KongHanoi

HKG - HAN

HKGHAN

Hong Kong Intl

Fri 3/10

18:20-00:45

1 stop7h 25m

Hanoi Noibai

Sun 5/10

01:45-10:10

1 stop7h 25m

£168

Hong KongHanoi

HKG - HAN

HKGHAN

Hong Kong Intl

Fri 3/10

14:30-15:35

Nonstop2h 05m

Hanoi Noibai

Mon 6/10

10:30-13:30

Nonstop2h 00m

£179

Hong KongHanoi

HKG - HAN

HKGHAN

Hong Kong Intl

Sat 1/11

08:50-10:05

Nonstop2h 15m

Hanoi Noibai

Tue 4/11

19:25-22:20

Nonstop1h 55m

£215

Hong KongHanoi

HKG - HAN

HKGHAN

Hong Kong Intl

Sat 1/11

08:50-10:05

Nonstop2h 15m

Hanoi Noibai

Tue 4/11

11:05-14:00

Nonstop1h 55m

£216

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Hanoi from

How to get the cheapest flight ticket from Hong Kong to Hanoi

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Hong Kong and Hanoi?

What is the cheapest month to fly to Hanoi?

The month of March is, on average, the cheapest month to fly to Hanoi from Hong Kong, with most prices found around £99. If you’re not able to fly to Hanoi in March, then November is your next best option. Flight prices from Hong Kong to Hanoi during November average around £99.

What is the cheapest day to depart on your flight to Hanoi?

The cheapest day to depart from Hong Kong to Hanoi is on a Monday when prices can be found for as low as £136. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Hong Kong to Hanoi for around £190.

What is the cheapest time of day to depart on your flight to Hanoi?

According to our data, the cheapest time of day to fly to Hanoi is in the morning. momondo users have found flights departing from Hong Kong to Hanoi in the morning for as low as £101. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the afternoon is when there is more demand to fly to Hanoi, so prices are often more expensive at around £190 per ticket.

What is the cheapest Hong Kong Intl to Hanoi Noibai flight route?

Fly from Hong Kong Intl to Hanoi Noibai for the best Hong Kong Intl - Hanoi Noibai flight prices

How far in advance should I book a flight to Hanoi?

You are more likely to see cheaper flights to Hanoi from Hong Kong when booking weeks ahead of your departure date. In general, you can expect to find flights to Hanoi for around £119 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Hanoi from Hong Kong for as low as £97 on momondo.

What cabin class options are available on Hong Kong Intl to Hanoi Noibai flights?

There are 2 cabin classes available to choose from on Hong Kong Intl to Hanoi Noibai flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Hong Kong to Hanoi flight prices changed over time?

As of September 2025, prices for Hong Kong to Hanoi flights are approximately 14% cheaper when compared to flights at the same time last year.

When to book flights from Hong Kong to Hanoi

Are you open to changing your travel dates? Check out the ideal times to fly from Hong Kong to Hanoi according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Hong Kong to Hanoi (HKG to HAN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Hong Kong to Hanoi

Best price found

£89

Fastest flight time

2h 05m

Direct flights

Every day

Airports in Hanoi

1 airport
The best one-way flight to Hanoi from Hong Kong in the past 72 hours is £89. The best return flight deal from Hong Kong to Hanoi found on momondo in the last 72 hours is £101.
The fastest flight from Hong Kong to Hanoi takes 2h 05m
Direct flights go from Hong Kong to Hanoi every day.
There is 1 airport near Hanoi: Hanoi Noibai (HAN)
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  • How far is Hong Kong Intl to Hanoi Noibai by plane?

    There are 543.5 mi between Hong Kong Intl and Hanoi Noibai. In terms of flight time, this usually takes a little over 2h 05m.

  • When did momondo last update prices for flights from Hong Kong Intl Airport to Hanoi Noibai Airport?

    Prices for flights from Hong Kong Intl Airport to Hanoi Noibai Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Hong Kong Intl Airport to Hanoi Noibai Airport?

  • How old do you have to be to fly from Hong Kong Intl Airport to Hanoi Noibai Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Hong Kong Intl Airport to Hanoi Noibai Airport.

  • What documentation or ID do you need to fly to Hanoi Noibai Airport?

    The travel and health documents required for your trip to Hanoi Noibai Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Hanoi Noibai Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Hong Kong to Hanoi?

  • What is the most popular airline from Hong Kong to Hanoi?

Best airlines flying from Hong Kong to Hanoi

Compare and see reviews for airlines that fly from Hong Kong to Hanoi with momondo
Airline
Rating
Free Cancellation
Price
HK ExpressPriceFrom £83Free CancellationRating
7.2
43 reviews
Search HK Express flights
Cathay PacificPriceFrom £97Free CancellationRating
7.6
993 reviews
Search Cathay Pacific flights
Vietnam AirlinesPriceFrom £140Free CancellationRating
7.6
201 reviews
Search Vietnam Airlines flights

  • Cathay Pacific Flights From Hong Kong to Hanoi

    The lowest priced Cathay Pacific flight from Hong Kong to Hanoi from the last 72 hours was £131. Generally, Cathay Pacific has 23 flights on this route every week with an average price of £258. Cathay Pacific is rated 7.6/10 by our users.

  • Vietnam Airlines Flights From Hong Kong to Hanoi

    £190 is the best Vietnam Airlines flight deal from Hong Kong to Hanoi found on momondo over the last 72 hours. The average Vietnam Airlines ticket price found was closer to £219, however, with flight time and availability significantly affecting the price. Vietnam Airlines (7.6/10 from 201 user reviews) flies into Hanoi from Hong Kong 12 times in an average week so prices can vary.

Why use momondo?

Why should I use momondo to find a flight deal from Hong Kong to Hanoi?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Hong Kong to Hanoi. momondo saves you time and could save you money on your trip.

Can I find flights from Hong Kong to Hanoi with flexible booking policies on momondo?

Yes. All flights to Hanoi from Hong Kong on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Hong Kong to Hanoi?

momondo provides multiple filters to help you find the best flight to Hanoi from Hong Kong. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Hong Kong to Hanoi right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Hong Kong to Hanoi now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Hanoi and let you know when they change.

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