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.
A few airlines fly the Hong Kong — Hanoi route, but only one operates daily: Hong Kong Express Airways flies every day. Hong Kong Airlines only flies on Monday, Wednesday, Friday, and Saturday.
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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 cheapest one-way flight from Hong Kong to Hanoi departs on 09/07/2026, is operated by Hong Kong Express Airways and costs $91
The cheapest roundtrip flight from Hong Kong to Hanoi departs on 06/10/2026, is operated by Hong Kong Express Airways and costs $173
Fastest flight from Hong Kong to Hanoi takes 2h 10m
There are direct flights on this route 5 days a week: Su, Mo, Tu, We, and Sa
The distance between Hong Kong and Hanoi is 875km (543 miles). The average flight duration is 2h 7m. There are 35 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 8:05 PM
The route Hong Kong — Hanoi is served by a single airline — Hong Kong Express Airways. This means that when planning your trip, you won’t need to spend time choosing between dozens of carriers: all flights are operated by one provider, which simplifies the booking process. Despite the limited choice, passengers can still plan ahead, select optimal departure dates, and buy tickets at the lowest price — from $91. Using our service, you can quickly compare available Hong Kong Express Airways flights and book a seat in advance at a favorable rate.
starting at $91
Hong Kong — Hanoi
09/07/2026
Departure
Direct flight
UO540
starting at $91
Hong Kong — Hanoi
06/08/2026
Departure
Direct flight
UO540
starting at $96
Hong Kong — Hanoi
07/07/2026
Departure
Direct flight
UO540
starting at $101
Hong Kong — Hanoi
06/06/2026
Departure
Direct flight
UO540
starting at $102
Hong Kong — Hanoi
07/08/2026
Departure
Direct flight
UO540
starting at $102
Hong Kong — Hanoi
06/07/2026
Departure
Direct flight
UO540
starting at $102
Hong Kong — Hanoi
07/12/2026
Departure
Direct flight
UO540
starting at $103
Hong Kong — Hanoi
11/03/2026
Departure
Direct flight
UO540
starting at $104
Hong Kong — Hanoi
10/07/2026
Departure
Direct flight
UO540
starting at $104
Hong Kong — Hanoi
10/11/2026
Departure
Direct flight
UO540
starting at $104
Hong Kong Express Airways
Every day
starting at $78
Hong Kong Airlines
Mo, We, Fr, and Sa
starting at $112
Looking to book air tickets to Hanoi, Vietnam? Let's explore the airports in Hanoi to help you plan your trip! Firstly, there is Noi Bai International Airport, located 45 kilometers away from Hanoi city center. It is the largest and busiest airport in northern Vietnam. With a wide range of airlines, including prestigious ones like Vietnam Airlines, Singapore Airlines, and Cathay Pacific using it as a hub, you can expect excellent connectivity. Although the distance may require a longer commute, it can be easily covered by various transportation options like taxis or airport shuttles. Secondly, there is Van Don International Airport, situated in Quang Ninh Province, approximately 200 kilometers away from Hanoi. While it offers a more convenient location for travelers heading to Halong Bay, a popular tourist destination, the distance increases travel time and costs. However, Van Don International Airport has been growing rapidly in recent years, attracting more airlines and offering an alternative option for travelers. Lastly, there is Cat Bi International Airport, located in Hai Phong City, around 120 kilometers from Hanoi. It serves as a gateway to the northern coastal region of Vietnam. Although the distance is relatively closer compared to Noi Bai Airport, the available direct flight options might be limited. However, Cat Bi International Airport provides a leisurely atmosphere and less crowded terminal, making it a suitable choice for those seeking a hassle-free travel experience. Consider your priorities, budget, and final destination within Vietnam when selecting the airport. With our air ticket search website, finding the best deals and options for your arrival in Hanoi is just a few clicks away. Enjoy your trip!
The cheapest flight ticket from Hong Kong to Hanoi according to data for the last 48 hours costs $91
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: September, June, July.
The fastest flights from Hong Kong to Hanoi start from 2 hours 10 minutes in the air.
The following airlines operate direct flights on the route Hong Kong — Hanoi: Hong Kong Express Airways
The minimum one-way ticket price from Hong Kong to Hanoi is $91 (September 2026), while the maximum is $190 (January 2027). On average, a ticket costs $122–$208.
Prices on the Hong Kong — Hanoi route are consistently going up. From June 2026 to January 2027, tickets went from $96 to $190 — a 98% increase. This trend is worth considering when planning your trip.
The most significant price increase was from September 2026 to January 2027 — up 107%. The best time to fly is July 2026–September 2026, when the average price is $96. In December 2026–January 2027, tickets cost around $178.
Given the rising prices, it's best not to delay your purchase. Flying in July 2026–September 2026 can save you up to 46% compared to the most expensive months.
Price variation across months on this route is 29.9%. Your choice of departure month significantly affects the total flight cost.