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Cheap flights from Hong Kong to Hanoi from HK$497

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 20-8. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — HAN
26 Apr — 3 May1
1 adult

Cheapflights Tip: The best prices from Hong Kong Intl to Hanoi Noibai are usually found in March or November, booked 45 days in advance, depart on a Monday or Tuesday and return on a Wednesday

Cheap 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 21 April 2025.

Round-trip from

HK$970

One-way from

HK$497

Popular in

January

Cheapest in

March

Average price

HK$1,575

Good round-trip deal

HK$995 or less

Good one-way deal

HK$723 or less
HK Express
  • HK Express
  • 23-5-30-5
  • Nonstop
  • 4h 10m total
  • Hong Kong to Hanoi
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HK Express
  • HK Express
  • 20-8
  • Nonstop
  • 2h 05m total
  • Hong Kong to Hanoi
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (HK$2,090 potential increase over avg. return price).
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Cheapest flight prices on average. 4% potential price decrease (HK$455 potential savings vs. average return price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from Hong Kong Intl to Hanoi Noibai.
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Price to beat on a one-way flight from Hong Kong Intl to Hanoi Noibai.
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Find flight deals from Hong Kong to Hanoi

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 21 April 2025.

Thu 22-507:45HKG - HAN
Nonstop2h 05mHK Express
Sun 25-509:35HAN - HKG
Nonstop2h 05mHK Express
Deal found 19-4HK$970
Sat 2-807:45HKG - HAN
Nonstop2h 05mMultiple Airlines
Sat 9-805:00HAN - HKG
1 stop11h 25mMultiple Airlines
Deal found 20-4HK$1,389
Sun 18-514:30HKG - HAN
Nonstop2h 05mVietnam Airlines
Sun 25-510:30HAN - HKG
Nonstop2h 00mVietnam Airlines
Deal found 20-4HK$1,645
Wed 4-623:00HKG - HAN
1 stop12h 25mPhilippine Airlines
Tue 10-602:30HAN - HKG
1 stop8h 55mPhilippine Airlines
Deal found 20-4HK$1,661
Sat 8-1115:25HKG - HAN
1 stop11h 20mChina Eastern
Tue 11-1115:45HAN - HKG
2 stops17h 50mChina Eastern
Deal found 20-4HK$2,072
Mon 2-616:55HKG - HAN
Nonstop2h 10mCathay Pacific
Mon 9-619:05HAN - HKG
Nonstop2h 05mCathay Pacific
Deal found 20-4HK$2,204
Tue 20-511:05HKG - HAN
1 stop6h 45mChina Airlines
Fri 23-511:35HAN - HKG
1 stop7h 30mChina Airlines
Deal found 20-4HK$2,266
Sat 26-421:10HKG - HAN
1 stop20h 40mEVA Air
Fri 2-518:00HAN - HKG
1 stop19h 25mEVA Air
Deal found 19-4HK$2,483

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 21 April 2025.
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

Departure

Return

Price

Hong KongHanoi

HKG - HAN

HKGHAN

Hong Kong Intl

Thu 22-5

07:45-08:50

Nonstop2h 05m

Hanoi Noibai

Sun 25-5

09:35-12:40

Nonstop2h 05m

HK$970

Hong KongHanoi

HKG - HAN

HKGHAN

Hong Kong Intl

Sat 2-8

07:45-08:50

Nonstop2h 05m

Hanoi Noibai

Sat 9-8

05:00-17:25

1 stop11h 25m

HK$1,389

Hong KongHanoi

HKG - HAN

HKGHAN

Hong Kong Intl

Sun 18-5

14:30-15:35

Nonstop2h 05m

Hanoi Noibai

Sun 25-5

10:30-13:30

Nonstop2h 00m

HK$1,645

Hong KongHanoi

HKG - HAN

HKGHAN

Hong Kong Intl

Wed 4-6

23:00-10:25

1 stop12h 25m

Hanoi Noibai

Tue 10-6

02:30-12:25

1 stop8h 55m

HK$1,661

Hong KongHanoi

HKG - HAN

HKGHAN

Hong Kong Intl

Fri 16-5

17:05-14:00

1 stop21h 55m

Hanoi Noibai

Sat 17-5

03:00-19:10

1 stop15h 10m

HK$2,025

Hong KongHanoi

HKG - HAN

HKGHAN

Hong Kong Intl

Mon 2-6

16:55-18:05

Nonstop2h 10m

Hanoi Noibai

Thu 5-6

19:05-22:10

Nonstop2h 05m

HK$2,204

Hong KongHanoi

HKG - HAN

HKGHAN

Hong Kong Intl

Tue 20-5

11:05-16:50

1 stop6h 45m

Hanoi Noibai

Fri 23-5

11:35-20:05

1 stop7h 30m

HK$2,266

Hong KongHanoi

HKG - HAN

HKGHAN

Hong Kong Intl

Wed 20-8

07:45-08:50

Nonstop2h 05m

HK$497

Hong KongHanoi

HKG - HAN

HKGHAN

Hong Kong Intl

Thu 18-9

20:35-07:50

1 stop12h 15m

HK$830

Hong KongHanoi

HKG - HAN

HKGHAN

Hong Kong Intl

Fri 25-4

20:20-16:30

2 stops21h 10m

HK$931

Flights are sorted by cheapest return flights first.

Deals found on 20-4

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 18 April 2025.

Booking 45 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, December is the cheapest month in which you can book a flight from Hong Kong to Hanoi (average of HK$126). Flying from Hong Kong to Hanoi in April is currently the most expensive (average of HK$160). 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 21 April 2025.

Unlike in the evening, 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 21 April 2025.

The most flights from HKG to HAN are scheduled on a Tuesday (12 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (5 on average).

Rainfall in Hanoi by month

Plan your trip to Hanoi by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Hanoi ranges from 14.0 - 296.0 inches per month. August is typically the wettest month, when rainfall can reach 296.0 mm. December is typically the driest time to visit Hanoi when rainfall is around 14.0 mm.

Temperature in Hanoi by month

Plan your trip to Hanoi by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Hanoi, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 17.0 C).

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 21 April 2025.
Read through reviews of airlines operating flights from Hong Kong to Hanoi, such as Korean Air, Asiana Airlines and Vietnam Airlines. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very Good
1,063 reviews
Check prices

Overall

8.4

Food

8.1

Entertainment

8.2

Crew

8.7

Boarding

8.5

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Korean Air
8.4
Very Good
1,063 reviews
Korean Air
8.4
Very Good
1,063 reviews
Check prices

Overall

8.4

Food

8.1

Entertainment

8.2

Crew

8.7

Boarding

8.5

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Asiana Airlines
8.2
Very Good
440 reviews
Korean Air
8.4
Very Good
1,063 reviews
Check prices

Overall

8.4

Food

8.1

Entertainment

8.2

Crew

8.7

Boarding

8.5

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Vietnam Airlines
7.6
Good
194 reviews
Korean Air
8.4
Very Good
1,063 reviews
Check prices

Overall

8.4

Food

8.1

Entertainment

8.2

Crew

8.7

Boarding

8.5

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Cathay Pacific
7.5
Good
848 reviews
Korean Air
8.4
Very Good
1,063 reviews
Check prices

Overall

8.4

Food

8.1

Entertainment

8.2

Crew

8.7

Boarding

8.5

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
China Southern
7.5
Good
94 reviews
Korean Air
8.4
Very Good
1,063 reviews
Check prices

Overall

8.4

Food

8.1

Entertainment

8.2

Crew

8.7

Boarding

8.5

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

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?

    To fly from Hong Kong to Hanoi, you need to book a flight from Hong Kong Intl (HKG) to Noibai (HAN). Nonstop flights to Hanoi Noibai from Hong Kong Intl take 2h 05m on average. When it comes time to book airfare, you have a few options: there are 8 outbound flights from Hong Kong Intl to Noibai offered by 3 different airlines.

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

    Flights from Hong Kong Intl to Hanoi Noibai have been viewed 706 times in the past calendar month.

  • 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$970. Additional round-trip tickets that might be worth considering are offered by Vietnam Airlines and Philippine Airlines, with the lowest prices starting at HK$1,645 and HK$1,661, respectively. HK Express is priced at 22% 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$497), China Eastern (HK$931), and Vietnam Airlines (HK$1,094).

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

    Consider Finnair (89%), Air Canada (79%) or HK Express (79%) 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?

    The cheapest flight price from Hong Kong to Hanoi is HK$509. On average you can expect to pay HK$1,033. The most popular route, (Hong Kong Intl - Hanoi Noibai), can usually be booked for HK$1,358.

  • 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, December is the cheapest month in which you can book a flight from Hong Kong to Hanoi (average of HK$126). Flying from Hong Kong to Hanoi in April is currently the most expensive (average of HK$160). 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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Fly from Hong Kong to Hanoi on these airlines

Choose from the following airlines for your flight from Hong Kong to Hanoi. Flights are based on user searches made on Cheapflights and were last updated on 21 April 2025.
HK Express flights from Hong Kong Intl to Hanoi Noibai
Vietnam Airlines flights from Hong Kong Intl to Hanoi Noibai
Cathay Pacific flights from Hong Kong Intl to Hanoi Noibai

Top 3 airlines flying from Hong Kong to Hanoi

Discover the top 3 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 21 April 2025.
AirlineCheapestAverageFlexibilityOn-time
HK ExpressCheapestHK$929AverageHK$1,092FlexibilityNo cancel feeOn-time90%
Search HK Express flights
Vietnam AirlinesCheapestHK$1,164AverageHK$1,812FlexibilityNo cancel feeOn-time81%
Search Vietnam Airlines flights
Cathay PacificCheapestHK$1,333AverageHK$2,279FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights

Fly with Cheapflights

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Hong Kong to Hanoi. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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?

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

Can Cheapflights notify me if prices for flights from Hong Kong to Hanoi become cheaper?

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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