Cheap Flights from Hanoi to Hong Kong from S$ 99

Frequently Asked Questions

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

  Based on Trip.com data, Sun PhuQuoc Airways offers one-way fares as low as S$ 99 on Cheapest nonstop routes (e.g. HAN to HKG on Wed, Oct 14), while Sun PhuQuoc Airways offers Cheapest nonstop round-trips from S$ 223 departing on Sat, Oct 3 and returning on Tue, Oct 6.

• Which airlines offer direct flights from Hanoi to Hong Kong?

  At the moment, you can catch a direct flight from Hanoi to Hong Kong with the following airlines, including: Cathay Pacific Vietnam Airlines HK Express Sun PhuQuoc Airways Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

• How long is a flight from Hanoi (HAN) to Hong Kong (HKG)?

  It takes about 2 hours 5 minutes to fly from Hanoi (HAN) to Hong Kong (HKG).

• When is the best time to book flights from Hanoi to Hong Kong?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Hanoi to Hong Kong 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.

• How many flights are there per week from Hanoi to Hong Kong?

  Based on Trip.com data in the past 4 weeks, there is 49 flight per week flying from Hanoi to Hong Kong. You can check the weekly schedule for popular airlines on this route below: Cathay Pacific: S/M/T/W/T/F/S -- CX740 (12:27) Cathay Pacific: S/M/T/W/T/F/S -- CX6262 (11:00)

• How can I find the best deals on flights from Hanoi to Hong Kong?

  To find best deals on flights from Hanoi to Hong Kong, 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 Wed, Oct 14, with one-way flights priced at just S$ 99.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Sun PhuQuoc Airways.
  · 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 Hong Kong travel is around July.
  · Get exclusive promo codes for Trip.com app users.

• When is the best time to book a flight from Hanoi to Hong Kong to get the best price?

  The cheapest months to fly from Hanoi to Hong Kong is August, when demand for travel is lower.

• Which upcoming date is the cheapest for flights from Hanoi to Hong Kong?

  After crunching the numbers on our August flight calendar, it's currently cheapest to fly from Hanoi to Hong Kong on August 20, 2026 with HK Express, with prices starting at S$ 198.

• Which airports can I fly through when travelling to Hong Kong from Hanoi?

  You can land at any one of the following hubs in Hong Kong, with Noi Bai International Airport to Hong Kong International Airport (HAN-HKG) is by far the most common option on this route: Hong Kong International Airport (HKG).

• What is the time difference between Hanoi and Hong Kong?

  The time difference between Hong Kong and Hanoi is 1h.

• How can I change or cancel my flight ticket from Hanoi to Hong Kong?

  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.

• What is the average cost of a one-way flight from Hanoi to Hong Kong?

  Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Hanoi to Hong Kong is S$ 257. Fares vary by travel date, airline and availability.

• What is the average cost of a round-trip flight from Hanoi to Hong Kong?

  Based on Trip.com data for travel in the next 30 days, the average round-trip fare from Hanoi to Hong Kong is S$ 409. The final price depends on the outbound and return dates, airline and fare conditions.

• How do I book flights from Hanoi to Hong Kong on Trip.com?

  Enter Hanoi and Hong Kong, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveller details and complete payment to receive your confirmation.

• Are there budget airlines on the Hanoi to Hong Kong route?

  HK Express and Sun PhuQuoc Airwaysare the most popular budget airlines flying from Hanoi to Hong Kong. Check baggage, seat and payment fees before comparing the final price.