Flaut.Travel was designed and developed by a team dedicated to making the process of searching, comparing and booking airline tickets as easy and convenient as possible. Our service helps travelers to find and buy the cheapest flights from Hong Kong to Hanoi. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.
A non-stop flight is the most convenient and comfortable way to fly from Hong Kong to Hanoi, despite the fact that sometimes flights with transfers can cost significantly less.
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Answers to questions about the route that travelers are most interested in.
We keep tight track on airlines' pre-holidays sales and other special offers occurences all the time to let you save maximum amount of funds while traveling to your family or just going out on vacation.
The Hong Kong — Hanoi route is served by a wide range of airlines: 4 in total, including Hong Kong Express Airways, 9G Rail, Vietnam Airlines, and China Airlines. Competition among carriers gives passengers the opportunity to find tickets at attractive fares — with prices starting from $97. Our service helps compare all available offers within seconds and choose the most convenient option. You can filter flights by price, departure time, or baggage rules to make your trip as comfortable as possible. With so many airlines, there’s always a chance to catch special promotions and save.
starting at $97
starting at $97
starting at $171
starting at $203
Hong Kong — Hanoi
01/15/2027
Departure
Direct flight
UO540
starting at $97
Hong Kong — Hanoi
10/11/2026
Departure
Direct flight
9G531
starting at $97
Hong Kong — Hanoi
10/11/2026
Departure
Direct flight
UO540
starting at $97
Hong Kong — Hanoi
01/08/2027
Departure
Direct flight
UO540
starting at $97
Hong Kong — Hanoi
11/14/2026
Departure
Direct flight
UO540
starting at $100
Hong Kong — Hanoi
11/04/2026
Departure
Direct flight
UO540
starting at $100
Hong Kong — Hanoi
11/19/2026
Departure
Direct flight
UO540
starting at $101
Hong Kong — Hanoi
10/14/2026
Departure
Direct flight
UO540
starting at $102
Hong Kong — Hanoi
11/24/2026
Departure
Direct flight
UO540
starting at $102
Hong Kong — Hanoi
11/10/2026
Departure
Direct flight
UO540
starting at $102
The cheapest one-way flight from Hong Kong to Hanoi departs on 01/15/2027, is operated by Hong Kong Express Airways and costs $97
The cheapest roundtrip flight from Hong Kong to Hanoi departs on 12/07/2026, is operated by Hong Kong Express Airways and costs $187
Fastest flight from Hong Kong to Hanoi takes 1h 55m
There are direct flights on this route 6 days a week: Su, Tu, We, Th, Fr, and Sa
The distance between Hong Kong and Hanoi is 873km (541 miles). The average flight duration is 2h 6m. There are 32 direct flights from Hong Kong to Hanoi. The time difference between Hong Kong and Hanoi is 1h. Flights from Hong Kong begin at 7:40 AM. The latest flight from Hong Kong departs at 4:55 PM
Hong Kong Express Airways
Su, Tu, Th, and Sa
starting at $98
Vietnam Airlines
Every day
starting at $161
Cathay Pacific
Every day
starting at $199
Almost every airline on the Hong Kong — Hanoi route flies daily, with just one exception: Vietnam Airlines and Cathay Pacific fly every day. Hong Kong Express Airways only flies on Sunday, Tuesday, Thursday, and Saturday.
Hong Kong International Airport (HKG) is the city’s major international hub and a full-service gateway handling long-haul and regional carriers alongside premium and low-cost operators. Located on Chek Lap Kok island about 34 km from Central, it’s typically viewed as a high-quality, well-connected airport rather than a budget option. Ground links include the Airport Express train (around 24 minutes to Central, fares usually in the mid-range), multiple bus routes (45–60 minutes, cheaper) and taxis (roughly 30–45 minutes, higher cost). Pros: fast transfers, plentiful lounges and dining choices; cons: distance from downtown and occasional peak-hour congestion can add time and cost to journeys.
Noi Bai International (HAN) is Hanoi’s main international gateway and typically serves long-haul carriers and full-service regional airlines alongside some low-cost carriers. Located about 45–50 km north of the city center, travel to central Hanoi usually takes 40–60 minutes by expressway depending on traffic; airport bus lines and shuttle services can cost roughly VND 40,000–150,000 while taxis and ride-hailing trips are commonly 300,000–500,000 VND. Domestic flights also use Noi Bai and it can be perceived as mid-range to premium in terms of fares when compared with smaller regional airports. Pros: comprehensive facilities and frequent international connections. Cons: distance from downtown and occasional heavy traffic can add time and cost.
The cheapest flight ticket from Hong Kong to Hanoi according to data for the last 48 hours costs $97
Often the best time to buy tickets from Hong Kong to Hanoi is 2 months before departure.
Based on statistics over the past years, the lowest prices for flights from Hong Kong to Hanoi can be found flying in these months: October, November, December.
The fastest flights from Hong Kong to Hanoi start from 1 hour 55 minutes in the air.
The following airlines operate direct flights on the route Hong Kong — Hanoi: Hong Kong Express Airways, 9G Rail
The minimum one-way ticket price from Hong Kong to Hanoi is $95 (October 2026), while the maximum is $122 (March 2027). On average, a ticket costs $101–$103.
Tickets from Hong Kong to Hanoi cost roughly the same any month. This is convenient: you can plan your trip based on your schedule rather than prices.
There is a slight difference: it's a bit cheaper in October 2026–November 2026 (averaging $97) and slightly more in January 2027–March 2027 ($112). But overall, the difference is small.
On this route, you don't need to target specific months — prices are stable. The difference between the cheapest and most expensive period is only 13%. Book whenever it's convenient.
Monthly price variation is just 8.3%. Ticket costs on this route are among the most predictable.