Cheap flights from Hong Kong to Hanoi from $64
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 7/24. 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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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 cheapest month to fly to Hanoi?
The cheapest month to fly to Hanoi from Hong Kong is in July. Flight prices, which tend to average around $134, are often lower during this time because this is during the off-season. If you’re not able to fly to Hanoi in July, then November is your next best option. Flight prices from Hong Kong to Hanoi during November average around $134.
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 $133. 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 $221.
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 $140. Try not to purchase tickets in the afternoon because they tend to be around $283. 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 $160 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 $139 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.
What is the cheapest airline that flies from Hong Kong Intl to Hanoi Noibai?
HK Express, Vietnam Airlines, and Thai AirAsia are the most popular carriers operating from Hong Kong Intl to Hanoi Noibai
What airlines fly to Hanoi?
HK Express, Vietnam Airlines and Cathay Pacific are the top three most popular airlines that fly to Hanoi from Hong Kong according to our data. HK Express is the first choice among our users, with 70% of people opting to fly with this airline when traveling to Hanoi. Keep in mind that there are 3 different airlines that fly to Hanoi on a routine basis, so you have a few additional options to choose from.
How many flights depart from Hong Kong to Hanoi on average per day?
As of July 2025, there are 8 flights per day flying from Hong Kong to Hanoi. The most common time of day flights depart is 2:00PM, with 53% of flights taking off in the afternoon.
How many flights depart from Hong Kong to Hanoi on average per week?
56 flights are operational weekly from Hong Kong to Hanoi as of July 2025. The most popular departure day for this route is Thu, with 21% of flights per week taking off on this day.
When to book flights from Hong Kong to Hanoi
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
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?
As of July 2025, there are 3 operators available to choose from 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?
Based on momondo bookings for flights between Hong Kong and Hanoi, the leading plane model is Airbus A321neo, making up 42.33% of the total bookings. Other popular models include Airbus A321-100/200 with 35.60%, Airbus A330-300 with 14.44%, and Airbus A320-100/200 with 3.00%.
What is the most popular airline from Hong Kong to Hanoi?
Based on momondo bookings for flights between Hong Kong and Hanoi, the leading airline is HK Express, making up 70% of the total bookings. Other popular airlines include Vietnam Airlines with 19% and Cathay Pacific with 10%.
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 | ||
|---|---|---|---|---|---|
| PriceFrom $117 | Free Cancellation | Rating 7.1 41 reviews | |||
| PriceFrom $151 | Free Cancellation | Rating 7.6 921 reviews | |||
| PriceFrom $207 | Free Cancellation | Rating 7.5 194 reviews |
Cathay Pacific Flights From Hong Kong to Hanoi
Cathay Pacific is one of the most popular airlines flying from Hong Kong to Hanoi, operating 22 flights/week on average for this route. A good Cathay Pacific flight deal for Hong Kong to Hanoi starts from $151 round-trip, up to an average price of $294. Our users have rated Cathay Pacific at 7.6/10.
Vietnam Airlines Flights From Hong Kong to Hanoi
The best Vietnam Airlines deal for Hong Kong to Hanoi flight tickets found on momondo in the last 72 hours was $207, round-trip. It should be noted that an average Vietnam Airlines flight deal for this route in this time was higher, at $232 round-trip. Vietnam Airlines operates 6 flights out of Hong Kong into Hanoi in an average week, so prices vary by time and availability. 194 Vietnam Airlines reviews by users on momondo have scored the airline at 7.5/10.
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.