> > > >
Cheap Flights from Hong Kong to Hanoi

Popular airlines from Hong Kong to Hanoi

Choose from 3 airlines flying from Hong Kong to Hanoi, including HK Express, Vietnam Airlines and Cathay Pacific. HK Express currently offers the cheapest ticket on this route.

Explore the cheapest flights from Hong Kong to Hanoi in the next three months. Based on Trip.com's data from the latest 7 days, one-way direct flights start at € 55, and round-trip direct tickets start at € 102.

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Flying from Hong Kong to Hanoi

The distance between Hong Kong and Hanoi is approximately 875.29km. It takes around 2 hours 12 minutes on average to fly from Hong Kong to Hanoi. Based on Trip.com's data, travel demand peaks in January. The off-season for travel is September.

Cheapest one-way flight price€ 55
Cheapest return ticket price€ 102
Off-season for travelSeptember
Peak season for travelJanuary
Flight distance875.29km
Average flight time2 hours 12 minutes
Popular airlineHK Express

Cheapest time to fly from Hong Kong to Hanoi

The cheapest time for Hong Kong to Hanoi flights: Dec 7 to Dec 14 — one way flight prices from € 55.

Cheapest flights
From price
Search
  • 714
  • 1421
  • 2128
  • Jan

    284
  • 411
  • 1118
  • 1825
  • Feb

    251
  • 18
  • 815
  • 1522
  • Mar

    221
Displayed prices are calculated based on the lowest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • Which airlines offer the cheapest flights from Hong Kong (HKG) to Hanoi (HAN)?

    Based on Trip.com data, HK Express offers one-way fares as low as € 55 on Cheapest nonstop routes (e.g. HKG to HAN on Fri, Dec 12), while HK Express offers Cheapest nonstop round-trips from € 102 departing on Thu, Jan 29 and returning on Mon, Feb 2.
  • At the moment, you can catch a direct flight from Hong Kong to Hanoi with the following airlines, including: HK Express Vietnam Airlines Cathay Pacific Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes about 2 hours 12 minutes to fly from Hong Kong (HKG) to Hanoi (HAN).
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Hong Kong to Hanoi is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • Based on Trip.com data in the past 4 weeks, there is 45 flight per week flying from Hong Kong to Hanoi. You can check the weekly schedule for popular airlines on this route below: HK Express: S/M/T/W/T/F/S -- UO540 (08:04) Vietnam Airlines: S/M/T/W/T/F/S -- VN593 (15:03) Cathay Pacific: S/M/T/W/T/F/S -- CX6263 (15:03)
  • To find best deals on flights from Hong Kong to Hanoi, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Fri, Dec 12, with one-way flights priced at just € 55.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is HK Express.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Hanoi travel is around January.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Hong Kong to Hanoi is September, when demand for travel is lower.
  • After crunching the numbers on our December flight calendar, it's currently cheapest to fly from Hong Kong to Hanoi on December 10, 2025 with HK Express, with prices starting at € 50.
  • You can land at any one of the following hubs in Hanoi, with Hong Kong International Airport to Noi Bai International Airport (HKG-HAN) is by far the most common option on this route: Noi Bai International Airport (HAN).
  • The time difference between Hanoi and Hong Kong is 1h.
  • Tickets can only be changed or cancelled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.