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Cheap flights from Hong Kong to Hanoi from $204

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 26/3. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — HAN
4 Mar — 11 Mar1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Hong Kong Intl to Hanoi Noibai are usually found in June or August, booked 86 days in advance, depart on a Tuesday or Monday and return on a Thursday

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 2 February 2026.

Wed 29/414:30
HKG
-
HAN
Nonstop2h 05m
Vietnam Airlines
Tue 5/510:25
HAN
-
HKG
Nonstop2h 05m
Vietnam Airlines
Deal found 1/2$337
Mon 27/414:30
HKG
-
HAN
Nonstop2h 05m
Vietnam Airlines
Sun 3/510:25
HAN
-
HKG
Nonstop2h 05m
Vietnam Airlines
Deal found 1/2$349
Fri 1/514:30
HKG
-
HAN
Nonstop2h 05m
Vietnam Airlines
Mon 4/510:25
HAN
-
HKG
Nonstop2h 05m
Vietnam Airlines
Deal found 1/2$352
Thu 23/418:45
HKG
-
HAN
1 stop15h 25m
Vietnam Airlines
Sat 2/510:25
HAN
-
HKG
Nonstop2h 05m
Vietnam Airlines
Deal found 31/1$365
Tue 12/514:30
HKG
-
HAN
Nonstop2h 05m
Vietnam Airlines
Fri 15/510:25
HAN
-
HKG
Nonstop2h 05m
Vietnam Airlines
Deal found 31/1$366
Thu 5/1114:30
HKG
-
HAN
Nonstop2h 10m
Vietnam Airlines
Fri 6/1110:35
HAN
-
HKG
Nonstop1h 55m
Vietnam Airlines
Deal found 1/2$367
Sat 23/514:30
HKG
-
HAN
Nonstop2h 05m
Vietnam Airlines
Sun 24/510:25
HAN
-
HKG
Nonstop2h 05m
Vietnam Airlines
Deal found 1/2$375
Wed 8/418:45
HKG
-
HAN
1 stop15h 25m
Vietnam Airlines
Mon 13/407:00
HAN
-
HKG
1 stop9h 25m
Vietnam Airlines
Deal found 31/1$386
Sat 23/514:30
HKG
-
HAN
Nonstop2h 05m
Vietnam Airlines
Mon 25/510:25
HAN
-
HKG
Nonstop2h 05m
Vietnam Airlines
Deal found 1/2$389
Wed 11/314:30
HKG
-
HAN
Nonstop2h 10m
Vietnam Airlines
Wed 25/310:30
HAN
-
HKG
Nonstop2h 00m
Vietnam Airlines
Deal found 2/2$390
Sun 13/918:45
HKG
-
HAN
1 stop14h 25m
Vietnam Airlines
Fri 18/908:00
HAN
-
HKG
1 stop8h 25m
Vietnam Airlines
Deal found 31/1$396

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 2 February 2026.

Round-trip from

$337

One-way from

$204

Popular in

January

Cheapest in

June

Average price

$311

Good one-way deal

$181 or less
Vietnam Airlines
  • Vietnam Airlines
  • 29/4-5/5
  • Nonstop
  • 4h 10m total
  • Hong Kong to Hanoi
Search Deals
Vietnam Airlines
  • Vietnam Airlines
  • 26/3
  • Nonstop
  • 2h 10m total
  • Hong Kong to Hanoi
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($100 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($14 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
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 647,157 searches. Data last updated 2 February 2026.
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 31/5

14:30-15:35

Nonstop2h 05m

Hanoi Noibai

Wed 3/6

10:25-13:30

Nonstop2h 05m

$337

Hong KongHanoi

HKG - HAN

HKGHAN

Hong Kong Intl

Fri 1/5

14:30-15:35

Nonstop2h 05m

Hanoi Noibai

Tue 5/5

10:25-13:30

Nonstop2h 05m

$337

Hong KongHanoi

HKG - HAN

HKGHAN

Hong Kong Intl

Thu 21/5

14:30-15:35

Nonstop2h 05m

Hanoi Noibai

Sun 24/5

10:25-13:30

Nonstop2h 05m

$337

Hong KongHanoi

HKG - HAN

HKGHAN

Hong Kong Intl

Wed 11/3

14:30-15:40

Nonstop2h 10m

Hanoi Noibai

Wed 25/3

10:30-13:30

Nonstop2h 00m

$390

Hong KongHanoi

HKG - HAN

HKGHAN

Hong Kong Intl

Wed 11/3

22:45-01:45

1 stop28h 00m

Hanoi Noibai

Tue 24/3

02:50-21:45

1 stop17h 55m

$400

Hong KongHanoi

HKG - HAN

HKGHAN

Hong Kong Intl

Sun 31/5

23:15-00:45

1 stop26h 30m

Hanoi Noibai

Tue 2/6

01:45-12:35

1 stop9h 50m

$403

Hong KongHanoi

HKG - HAN

HKGHAN

Hong Kong Intl

Fri 1/5

14:30-15:35

Nonstop2h 05m

Hanoi Noibai

Sun 3/5

17:00-17:25

1 stop23h 25m

$411

Hong KongHanoi

HKG - HAN

HKGHAN

Hong Kong Intl

Wed 29/4

14:30-15:35

Nonstop2h 05m

Hanoi Noibai

Mon 4/5

05:00-17:25

1 stop11h 25m

$411

Hong KongHanoi

HKG - HAN

HKGHAN

Hong Kong Intl

Wed 29/4

11:05-16:50

1 stop6h 45m

Hanoi Noibai

Sat 2/5

11:30-19:05

1 stop6h 35m

$416

Hong KongHanoi

HKG - HAN

HKGHAN

Hong Kong Intl

Mon 27/4

14:30-15:35

Nonstop2h 05m

Hanoi Noibai

Sun 3/5

23:00-17:25

1 stop17h 25m

$421

Flights are sorted by cheapest return flights first.

Deals found on 1/2

Showing 1-10 of 21 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 30 January 2026.

To ensure you get the cheapest price possible for a flight from Hong Kong to Hanoi, you should look to book at least 86 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, June is the cheapest month in which you can book a flight from Hong Kong to Hanoi (average of $151). Flying from Hong Kong to Hanoi in January is currently the most expensive (average of $178). 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 2 February 2026.

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?

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 2 February 2026.
Read through reviews of airlines operating flights from Hong Kong to Hanoi, such as HK Express. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
HK Express
7.2
Good
43 reviews
Check prices

Boarding

7.3

Overall

7.2

Food

5.8

Comfort

6.5

Crew

7.5

Entertainment

5.3
HK Express
7.2
Good
43 reviews
HK Express
7.2
Good
43 reviews
Check prices

Boarding

7.3

Overall

7.2

Food

5.8

Comfort

6.5

Crew

7.5

Entertainment

5.3

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?

    Booking a flight from Hong Kong Intl (HKG) to Hanoi Noibai (HAN) is your only option if you wish to fly from Hong Kong to Hanoi. On a typical day, there are 12 flights from Hong Kong Intl to Noibai, all of which are around 2h 10m for a nonstop flight. You can also purchase a plane ticket from 1 airline when you book a flight from Hong Kong Intl to Hanoi.

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

    The Hong Kong Intl to Hanoi Noibai flight path was viewed by 18 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. Generally, flights for this route are direct.

  • What is the cheapest airline to fly from Hong Kong to Hanoi round-trip?

    Cheapflights users have booked flights from Hong Kong to Hanoi round-trip from $161. You may be able to fly from Hong Kong to Hanoi for 33% less than the average price by searching for this airline.

  • 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 ($84), Vietnam Airlines ($158), and Cathay Pacific ($224).

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

    Consider Air Canada (89%), Finnair (89%) or Qatar Airways (77%) 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 $138. While the most popular route (Hong Kong Intl - Hanoi Noibai) can be booked for $280 on average, our data indicates $221 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, June is the cheapest month in which you can book a flight from Hong Kong to Hanoi (average of $151). Flying from Hong Kong to Hanoi in January is currently the most expensive (average of $178). 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

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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

Top airline flying from Hong Kong to Hanoi

Discover the top airline 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 647,157 searches. Data last updated 2 February 2026.
AirlineCheapestAverageFlexibilityOn-time
HK ExpressCheapest$161Average$285FlexibilityNo cancel feeOn-time90%
Search HK Express 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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