Cheap Flights from Hong Kong to London from S$ 408

Frequently Asked Questions

• Which airlines offer the cheapest flights from Hong Kong (HKG) to London (LON)?

  Based on Trip.com data, Royal Brunei Airlines offers one-way fares as low as S$ 408 on Cheapest nonstop routes (e.g. HKG to LHR on Thu, Jul 16), while Royal Brunei Airlines offers Cheapest nonstop round-trips from S$ 829 departing on Thu, Aug 20 and returning on Tue, Aug 25.

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

  At the moment, you can catch a direct flight from Hong Kong to London with the following airlines, including: Cathay Pacific British 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 Hong Kong (HKG) to London (LON)?

  It takes about 14 hours 11 minutes to fly from Hong Kong (HKG) to London (LON).

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

  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 London 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 Hong Kong to London?

  Based on Trip.com data in the past 4 weeks, there is 36 flight per week flying from Hong Kong to London. You can check the weekly schedule for popular airlines on this route below: Cathay Pacific: S/M/T/W/T/F/S -- CX253 (13:39) Cathay Pacific: S/M/T/W/T/F/S -- CX255 (23:53) Cathay Pacific: S/M/T/W/T/F/S -- CX251 (23:24)

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

  To find best deals on flights from Hong Kong to London, 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 Thu, Jul 16, with one-way flights priced at just S$ 408.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is British 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 London travel is around July.
  · Get exclusive promo codes for Trip.com app users.

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

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

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

  After crunching the numbers on our July flight calendar, it's currently cheapest to fly from Hong Kong to London on July 16, 2026 with Royal Brunei Airlines, with prices starting at S$ 415.

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

  You can land at any one of the following hubs in London, with Hong Kong International Airport to Heathrow Airport (HKG-LHR) is by far the most common option on this route: Heathrow Airport (LHR) London Gatwick Airport (LGW) London Luton Airport (LTN) London City Airport (LCY) London Southend Airport (SEN) London Stansted Airport (STN).

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

  The time difference between London and Hong Kong is 8h.

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

  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.