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Cheap flights from Hong Kong to Hanoi from $72

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 12/30. 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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Find the cheapest flights from Hong Kong to Hanoi

Cheap round-trip flights

Enter your travel dates to find the best prices.
HK Express Logo
7:40 am - 8:50 am
HKG
-
HAN
2h 10mnonstop
HK Express Logo
9:35 am - 12:35 pm
HAN
-
HKG
2h 00mnonstop
$126HK Express
Wed, Dec 17 - Sat, Dec 20
HK Express Logo
7:40 am - 8:50 am
HKG
-
HAN
2h 10mnonstop
HK Express Logo
9:35 am - 12:35 pm
HAN
-
HKG
2h 00mnonstop
$128HK Express
Tue, Jan 20 - Sun, Jan 25
HK Express Logo
8:05 pm - 9:10 pm
HKG
-
HAN
2h 05mnonstop
HK Express Logo
9:35 am - 12:35 pm
HAN
-
HKG
2h 00mnonstop
$131HK Express
Sun, Mar 1 - Tue, Mar 3
HK Express Logo
8:05 pm - 9:10 pm
HKG
-
HAN
2h 05mnonstop
HK Express Logo
9:35 am - 12:35 pm
HAN
-
HKG
2h 00mnonstop
$133HK Express
Sun, Mar 15 - Thu, Mar 19
HK Express Logo
8:05 pm - 9:10 pm
HKG
-
HAN
2h 05mnonstop
HK Express Logo
9:55 pm - 12:55 am
HAN
-
HKG
2h 00mnonstop
$134HK Express
Tue, Dec 16 - Fri, Dec 19
HK Express Logo
7:40 am - 8:50 am
HKG
-
HAN
2h 10mnonstop
HK Express Logo
9:35 am - 12:35 pm
HAN
-
HKG
2h 00mnonstop
$136HK Express
Sat, Jan 17 - Fri, Jan 23
HK Express Logo
7:40 am - 8:50 am
HKG
-
HAN
2h 10mnonstop
HK Express Logo
9:35 am - 12:35 pm
HAN
-
HKG
2h 00mnonstop
$137HK Express
Sun, Jan 4 - Sun, Jan 18
HK Express Logo
8:05 pm - 9:10 pm
HKG
-
HAN
2h 05mnonstop
HK Express Logo
9:35 am - 12:35 pm
HAN
-
HKG
2h 00mnonstop
$149HK Express
Sun, Mar 1 - Mon, Mar 2
HK Express Logo
7:40 am - 8:50 am
HKG
-
HAN
2h 10mnonstop
HK Express Logo
9:35 am - 12:35 pm
HAN
-
HKG
2h 00mnonstop
$166HK Express
Mon, Dec 22 - Wed, Dec 31
Multiple Airlines Logo
7:40 am - 8:50 am
HKG
-
HAN
2h 10mnonstop
Multiple Airlines Logo
9:00 am - 5:25 pm
HAN
-
HKG
7h 25m1 stop
$170Multiple Airlines
Tue, Feb 3 - Mon, Feb 9

HK Express flights from Hong Kong to Hanoi

Our best HK Express deals on Hong Kong to Hanoi flight tickets
HK Express
Dec 17
HKG7:40 amHong Kong Intl
2h 10m
HAN8:50 amHanoi Noibai
Dec 20
HAN9:35 amHanoi Noibai
2h 00m
HKG12:35 pmHong Kong Intl
$126
Find similar
HK Express
Jan 20
HKG7:40 amHong Kong Intl
2h 10m
HAN8:50 amHanoi Noibai
Jan 25
HAN9:35 amHanoi Noibai
2h 00m
HKG12:35 pmHong Kong Intl
$128
Find similar
HK Express
Dec 10
HKG7:40 amHong Kong Intl
2h 10m
HAN8:50 amHanoi Noibai
Dec 16
HAN9:35 amHanoi Noibai
2h 00m
HKG12:35 pmHong Kong Intl
$129
Find similar

China Airlines flights from Hong Kong to Hanoi

Our best China Airlines deals on Hong Kong to Hanoi flight tickets
China Airlines
Jan 4
HKG7:50 amHong Kong Intl
27h 45m
1 stop
HAN10:35 amHanoi Noibai
Jan 18
HAN11:35 amHanoi Noibai
6h 25m
1 stop
HKG7:00 pmHong Kong Intl
$254
Find similar
China Airlines
Dec 13
HKG11:10 amHong Kong Intl
6h 20m
1 stop
HAN4:30 pmHanoi Noibai
Dec 17
HAN5:30 pmHanoi Noibai
22h 05m
1 stop
HKG4:35 pmHong Kong Intl
$264
Find similar
China Airlines
Dec 14
HKG10:20 amHong Kong Intl
7h 10m
1 stop
HAN4:30 pmHanoi Noibai
Dec 18
HAN5:30 pmHanoi Noibai
14h 45m
1 stop
HKG9:15 amHong Kong Intl
$287
Find similar

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated December 5, 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

Wed 12/17

7:40 am-8:50 am

Nonstop2h 10m

Hanoi Noibai

Sat 12/20

9:35 am-12:35 pm

Nonstop2h 00m

$126

Hong KongHanoi

HKG - HAN

HKGHAN

Hong Kong Intl

Tue 1/20

7:40 am-8:50 am

Nonstop2h 10m

Hanoi Noibai

Sun 1/25

9:35 am-12:35 pm

Nonstop2h 00m

$128

Hong KongHanoi

HKG - HAN

HKGHAN

Hong Kong Intl

Sun 3/1

8:05 pm-9:10 pm

Nonstop2h 05m

Hanoi Noibai

Tue 3/3

9:35 am-12:35 pm

Nonstop2h 00m

$131

Hong KongHanoi

HKG - HAN

HKGHAN

Hong Kong Intl

Sun 3/15

8:05 pm-9:10 pm

Nonstop2h 05m

Hanoi Noibai

Thu 3/19

9:35 am-12:35 pm

Nonstop2h 00m

$133

Hong KongHanoi

HKG - HAN

HKGHAN

Hong Kong Intl

Tue 12/16

8:05 pm-9:10 pm

Nonstop2h 05m

Hanoi Noibai

Fri 12/19

9:55 pm-12:55 am

Nonstop2h 00m

$134

Hong KongHanoi

HKG - HAN

HKGHAN

Hong Kong Intl

Sat 1/17

7:40 am-8:50 am

Nonstop2h 10m

Hanoi Noibai

Fri 1/23

9:35 am-12:35 pm

Nonstop2h 00m

$136

Hong KongHanoi

HKG - HAN

HKGHAN

Hong Kong Intl

Sun 1/4

7:40 am-8:50 am

Nonstop2h 10m

Hanoi Noibai

Sun 1/18

9:35 am-12:35 pm

Nonstop2h 00m

$137

Hong KongHanoi

HKG - HAN

HKGHAN

Hong Kong Intl

Sun 3/1

8:05 pm-9:10 pm

Nonstop2h 05m

Hanoi Noibai

Mon 3/2

9:35 am-12:35 pm

Nonstop2h 00m

$149

Hong KongHanoi

HKG - HAN

HKGHAN

Hong Kong Intl

Mon 12/22

7:40 am-8:50 am

Nonstop2h 10m

Hanoi Noibai

Wed 12/31

9:35 am-12:35 pm

Nonstop2h 00m

$166

Hong KongHanoi

HKG - HAN

HKGHAN

Hong Kong Intl

Tue 2/3

7:40 am-8:50 am

Nonstop2h 10m

Hanoi Noibai

Mon 2/9

9:00 am-5:25 pm

1 stop7h 25m

$170

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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 cheapest month to fly to Hanoi from Hong Kong is in March. Flight prices, which tend to average around $131, are often lower during this time because this is during the off-season. If you’re not able to fly to Hanoi in March, then August is your next best option. Flight prices from Hong Kong to Hanoi during August average around $136.

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

According to our data, Tuesday is the cheapest day to fly to Hanoi from Hong Kong. The lowest ticket price found for a Tuesday departure recently was $144. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to Hanoi on Monday is $223.

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

Our most recent data shows that the best time of day to fly to Hanoi is in the morning. Flights from Hong Kong to Hanoi during this time can be as low as $141. Try not to purchase tickets in the afternoon because they tend to be around $294. Of course, these prices can vary depending on the time of year and what airport you fly to.

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 $169 when searching weeks out. 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 $141 on momondo.

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

There are 3 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 December 2025, prices for Hong Kong to Hanoi flights are approximately 20% 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 round-trip 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

$115

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 $115. The best round-trip flight deal from Hong Kong to Hanoi found on momondo in the last 72 hours is $151.
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)
Search flight deals

  • How far is Hong Kong Intl to Hanoi Noibai by plane?

    The distance between Hong Kong Intl and Hanoi Noibai is about 543.5 mi. By plane, this route typically takes 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 refresh daily.

  • 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 $117Free CancellationRating
7.2
43 reviews
Search HK Express flights
Vietnam AirlinesPriceFrom $213Free CancellationRating
7.6
215 reviews
Search Vietnam Airlines flights
Cathay PacificPriceFrom $220Free CancellationRating
7.6
1,084 reviews
Search Cathay Pacific flights

  • Vietnam Airlines Flights From Hong Kong to Hanoi

    Vietnam Airlines is one of the most popular airlines flying from Hong Kong to Hanoi, operating 12 flights/week on average for this route. A good Vietnam Airlines flight deal for Hong Kong to Hanoi starts from $213 round-trip, up to an average price of $244. Our users have rated Vietnam Airlines at 7.6/10.

  • Cathay Pacific Flights From Hong Kong to Hanoi

    The best Cathay Pacific deal for Hong Kong to Hanoi flight tickets found on momondo in the last 72 hours was $220, round-trip. It should be noted that an average Cathay Pacific flight deal for this route in this time was higher, at $297 round-trip. Cathay Pacific operates 19 flights out of Hong Kong into Hanoi in an average week, so prices vary by time and availability. 1,084 Cathay Pacific reviews by users on momondo have scored the airline at 7.6/10.

Why use momondo?

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

It is quick and easy to find Hong Kong to Hanoi flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Hanoi that suits you.

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

Yes. momondo allows you to filter the results for Hong Kong to Hanoi flights to just show those with flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Hong Kong to Hanoi.

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

Yes. momondo can track prices for Hong Kong to Hanoi flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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