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Cheap flights from Hong Kong to Hanoi from HK$752

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 12-4. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — HAN
7 May — 14 May1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Hong Kong to Hanoi Noibai are usually found in August or July, booked 75 days in advance, depart on a Wednesday or Saturday and return on a Tuesday

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 7 April 2026.

Sun 12-407:40
HKG
-
HAN
Nonstop2h 10m
HK Express
Thu 16-409:35
HAN
-
HKG
Nonstop2h 05m
HK Express
Deal found 3-4HK$1,520
Sun 12-407:40
HKG
-
HAN
Nonstop2h 10m
HK Express
Wed 15-409:35
HAN
-
HKG
Nonstop2h 05m
HK Express
Deal found 3-4HK$1,528
Sun 17-507:40
HKG
-
HAN
Nonstop2h 10m
HK Express
Thu 28-509:35
HAN
-
HKG
Nonstop2h 05m
HK Express
Deal found 5-4HK$1,544
Thu 16-407:40
HKG
-
HAN
Nonstop2h 10m
HK Express
Sun 19-409:35
HAN
-
HKG
Nonstop2h 05m
HK Express
Deal found 6-4HK$1,560
Thu 9-407:40
HKG
-
HAN
Nonstop2h 10m
HK Express
Tue 14-409:35
HAN
-
HKG
Nonstop2h 05m
HK Express
Deal found 3-4HK$1,575
Mon 13-407:40
HKG
-
HAN
Nonstop2h 10m
HK Express
Sun 19-409:35
HAN
-
HKG
Nonstop2h 05m
HK Express
Deal found 3-4HK$1,591
Wed 8-407:40
HKG
-
HAN
Nonstop2h 10m
HK Express
Fri 17-409:35
HAN
-
HKG
Nonstop2h 05m
HK Express
Deal found 3-4HK$1,599
Tue 7-407:40
HKG
-
HAN
Nonstop2h 10m
HK Express
Tue 14-409:35
HAN
-
HKG
Nonstop2h 05m
HK Express
Deal found 5-4HK$1,630

Find flight deals from Hong Kong to Hanoi

Keep the following information in mind while searching for Hong Kong to Hanoi flight deals. Data was last updated 7 April 2026.

Round-trip from

HK$1,544

One-way from

HK$752

Popular in

February

Cheapest in

August

Average price

HK$1,685

Good round-trip deal

HK$1,143 or less

Good one-way deal

HK$536 or less
HK Express
  • HK Express
  • 17-5-28-5
  • Nonstop
  • 4h 15m total
  • Hong Kong to Hanoi
Search Deals
HK Express
  • HK Express
  • 12-4
  • Nonstop
  • 2h 10m total
  • Hong Kong to Hanoi
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (HK$1,324 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (HK$494 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
Search Deals
Price to beat on a round-trip flight from Hong Kong to Hanoi Noibai.
Search Deals
Price to beat on a one-way flight from Hong Kong 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 70,647 searches. Data last updated 7 April 2026.
Use the filters below to find and compare flights from Hong Kong to Hanoi that are best for you.

Fly from

Fly to

Route

Departure

Return

Price

Cheapest return flight
Fastest return journey

Hong KongHanoi

HKG - HAN

HKGHAN

Hong Kong Intl

Mon 1-6

14:30-15:35

Nonstop2h 05m

Hanoi Noibai

Thu 4-6

10:25-13:30

Nonstop2h 05m

HK$2,445

Hong KongHanoi

HKG - HAN

HKGHAN

Hong Kong Intl

Mon 25-5

21:15-14:45

1 stop18h 30m

Hanoi Noibai

Tue 26-5

02:20-23:45

1 stop20h 25m

HK$2,751

Hong KongHanoi

HKG - HAN

HKGHAN

Hong Kong Intl

Sat 13-6

15:05-01:20

1 stop11h 15m

Hanoi Noibai

Sun 14-6

15:45-20:15

1 stop27h 30m

HK$2,751

Hong KongHanoi

HKG - HAN

HKGHAN

Hong Kong Intl

Mon 20-7

21:15-10:30

1 stop14h 15m

Hanoi Noibai

Tue 18-8

11:30-09:15

1 stop20h 45m

HK$2,766

Hong KongHanoi

HKG - HAN

HKGHAN

Hong Kong Intl

Sat 9-5

13:55-17:45

1 stop28h 50m

Hanoi Noibai

Mon 11-5

15:45-12:45

3 stops44h 00m

HK$2,806

Hong KongHanoi

HKG - HAN

HKGHAN

Hong Kong Intl

Sat 13-6

14:30-15:35

Nonstop2h 05m

Hanoi Noibai

Sun 14-6

22:00-17:25

1 stop18h 25m

HK$2,939

Hong KongHanoi

HKG - HAN

HKGHAN

Hong Kong Intl

Fri 17-4

13:55-14:00

1 stop25h 05m

Hanoi Noibai

Sun 19-4

02:20-16:05

1 stop12h 45m

HK$2,962
Cheapest one-way

Hong KongHanoi

HKG - HAN

HKGHAN

Hong Kong Intl

Tue 21-4

07:40-08:50

Nonstop2h 10m

HK$807

Hong KongHanoi

HKG - HAN

HKGHAN

Hong Kong Intl

Sun 19-7

07:40-08:50

Nonstop2h 10m

HK$917

Hong KongHanoi

HKG - HAN

HKGHAN

Hong Kong Intl

Thu 30-4

07:40-08:50

Nonstop2h 10m

HK$1,223

Flights are sorted by cheapest return flights first.

Deals found on 6-4

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

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 3 April 2026.

Booking 75 days in advance of your planned departure date is, on average, the best time to get cheap flights from Hong Kong to Hanoi. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Hong Kong to Hanoi?

Currently, November is the cheapest month in which you can book a flight from Hong Kong to Hanoi (average of HK$878). Flying from Hong Kong to Hanoi in February is currently the most expensive (average of HK$1,089). 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 HK 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 7 April 2026.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 51% on flights from Hong Kong to Hanoi by exploring options for tickets in the morning.

Weekly flight availability from Hong Kong to Hanoi

Explore weekly flight availability from Hong Kong to Hanoi. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 7 April 2026.

The most flights from HK0 to HAN are scheduled on a Friday (12 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (7 on average).

How often are flights from Hong Kong to Hanoi delayed?

About 23% of weekly flights between Hong Kong and Hanoi have experienced delays in the past year, with the average delay time being 109 minutes.

What is the most punctual flight time for Hong Kong to Hanoi flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Monday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Hong Kong to Hanoi flights?

Over the past year, HK Express have had the lowest number of delays on this route, with just 12% of flights being delayed.

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 7 April 2026.
Read reviews from past customers who have flown with Vietnam Airlines,Cathay Pacific, andHK Express from Hong Kong to Hanoi. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Vietnam Airlines
7.7
Good
253 reviews
Check prices

Comfort

7.7

Food

6.9

Overall

7.7

Boarding

7.7

Entertainment

6.3

Crew

8.2

Reviews

1 / 15
8.0
Excellent

Stephen,Nov 2025

SYD - SGN

I really liked it. It’s very good value for money.
Vietnam Airlines
7.7
Good
253 reviews
Vietnam Airlines
7.7
Good
253 reviews
Check prices

Comfort

7.7

Food

6.9

Overall

7.7

Boarding

7.7

Entertainment

6.3

Crew

8.2

Reviews

1 / 15
8.0
Excellent

Stephen,Nov 2025

SYD - SGN

I really liked it. It’s very good value for money.
Cathay Pacific
7.6
Good
1,249 reviews
Vietnam Airlines
7.7
Good
253 reviews
Check prices

Comfort

7.7

Food

6.9

Overall

7.7

Boarding

7.7

Entertainment

6.3

Crew

8.2

Reviews

1 / 15
8.0
Excellent

Stephen,Nov 2025

SYD - SGN

I really liked it. It’s very good value for money.
HK Express
7.3
Good
44 reviews
Vietnam Airlines
7.7
Good
253 reviews
Check prices

Comfort

7.7

Food

6.9

Overall

7.7

Boarding

7.7

Entertainment

6.3

Crew

8.2

Reviews

1 / 15
8.0
Excellent

Stephen,Nov 2025

SYD - SGN

I really liked it. It’s very good value for money.
Hong Kong Airlines
6.3
Okay
30 reviews
Vietnam Airlines
7.7
Good
253 reviews
Check prices

Comfort

7.7

Food

6.9

Overall

7.7

Boarding

7.7

Entertainment

6.3

Crew

8.2

Reviews

1 / 15
8.0
Excellent

Stephen,Nov 2025

SYD - SGN

I really liked it. It’s very good value for money.

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 airport do you fly into for flights to Hanoi from Hong Kong?

    Located just 22.8 km from the city centre, Hanoi Noibai (HAN) is the airport most travelers will use when flying to Hanoi from Hong Kong.

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

    Flights from Hong Kong to Hanoi Noibai have been viewed 429 times in the past calendar month.

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

    Vietnam Airlines and China Eastern can get you from Hong Kong to Hanoi in just under 2h 05m. Your travel time can differ by up to 16h 25m. There are 845 km between Hong Kong and Hanoi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the cheapest airlines flying from Hong Kong to Hanoi round-trip?

    Flying on HK Express is currently your cheapest option to Hanoi, with prices starting at HK$914. Additional round-trip tickets that might be worth considering are offered by Cathay Pacific and Hong Kong Airlines, with the lowest prices starting at HK$1,042 and HK$1,206, respectively. HK Express is priced at 31% lower than the current average price of a flight leaving 3 months from now.

  • 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 (HK$471), Hong Kong Airlines (HK$690), and Vietnam Airlines (HK$811).

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

    No one likes to see their flight delayed. When booking a flight from Hong Kong to Hanoi consider choosing Atlas Air(100%), Air Canada(72%) or Finnair(72%), as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Hong Kong to Hanoi?

    The cheapest flight price from Hong Kong to Hanoi is HK$471. On average you can expect to pay HK$1,078. The most popular route, (Hong Kong Intl - Hanoi Noibai), can usually be booked for HK$1,716.

  • 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, November is the cheapest month in which you can book a flight from Hong Kong to Hanoi (average of HK$878). Flying from Hong Kong to Hanoi in February is currently the most expensive (average of HK$1,089). 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 Da Nang flights
Hong Kong to Ho Chi Minh City flights
Hong Kong to Hanoi flights

Top 4 airlines flying from Hong Kong to Hanoi

Discover the top 4 airlines 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 70,647 searches. Data last updated 7 April 2026.
AirlineCheapestAverageFlexibilityOn-time
HK ExpressCheapestHK$914AverageHK$1,095FlexibilityNo cancel feeOn-time90%
Search HK Express flights
Cathay PacificCheapestHK$1,042AverageHK$2,348FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
Hong Kong AirlinesCheapestHK$1,206AverageHK$1,626FlexibilityNo cancel feeOn-time65%
Search Hong Kong Airlines flights
Vietnam AirlinesCheapestHK$1,471AverageHK$1,786FlexibilityNo cancel feeOn-time81%
Search Vietnam Airlines flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Hong Kong to Hanoi?

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Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Hong Kong to Hanoi for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Hong Kong to Hanoi with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Hong Kong to Hanoi flexibly with Cheapflights today.

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Of course! You can now track prices for flights from Hong Kong to Hanoi and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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