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Flights from London to Hong Kong

Airlines operating flights from London to Hong Kong

Choose from 10 airlines flying from London to Hong Kong, including Cathay Pacific, Air China and Philippine Airlines. Cathay Pacific currently offers the cheapest ticket on this route.
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Find the cheapest direct flight options from London to Hong Kong over the next three months. Book one-way tickets from NZD 1,154 and round-trip tickets from NZD 1,457.

Displayed flight fares from London to Hong Kong are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Flight details for London to Hong Kong

The distance between London and Hong Kong is 9,623.81 km. It takes around 12 hours 43 minutes on average to fly from London to Hong Kong. Based on Trip.com's data, travel demand peaks in July. The off-season for travel is November.

Cheapest one-way flight priceNZD 446
Cheapest round-trip ticket priceNZD 616
Off-season for travelNovember
Peak season for travelJuly
Flight distance9,623.81 km
Average flight time12 hours 43 minutes
Popular airlineCathay Pacific

Find the best time to fly from London to Hong Kong

The cheapest time for London to Hong Kong flights: Jan 25 to Feb 1 — one way flight prices from NZD 430.

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

    284
  • 411
  • 1118
  • 1825
  • Feb

    251
  • 18
  • 815
  • 1522
  • Mar

    221
Displayed fare trends are based on Trip.com's aggregated average of the lowest flight prices from London to Hong Kong, calculated over the upcoming 10 weeks.

Flight FAQs

  • What are the cheapest flights from London to Hong Kong (LON-HKG)?

    Based on Trip.com data, China Eastern Airlines offers one-way fares as low as NZD 446 on Cheapest nonstop routes (e.g. LGW to HKG on Mon, Jan 12), while China Eastern Airlines offers Cheapest nonstop round-trips from NZD 616 departing on Fri, Jan 16 and returning on Wed, Jan 21.
  • At the moment, you can catch a nonstop flight from London to Hong Kong with the following airlines, including: Cathay Pacific British Airways Philippine Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes around 12 hours 43 minutes to fly from London (LON) to Hong Kong (HKG).
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from London 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.
  • Based on Trip.com data in the past 4 weeks, there is 31 flight per week flying from London 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 -- CX250 (18:16) Cathay Pacific: S/M/T/W/T/F/S -- CX256 (20:44) Cathay Pacific: S/M/T/W/T/F/S -- CX252 (11:46)
  • To find best deals on flights from London 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 Mon, Jan 12, with one-way flights priced at just NZD 446.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Cathay Pacific.
    · 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.
  • The cheapest months to fly from London to Hong Kong is November, when demand for travel is lower.
  • After crunching the numbers on our December flight calendar, it's currently cheapest to fly from London to Hong Kong on December 24, 2025 with Air China, with prices starting at NZD 1,111.
  • You can land at any one of the following hubs in Hong Kong, with Heathrow Airport to Hong Kong International Airport (LHR-HKG) is by far the most common option on this route: Hong Kong International Airport (HKG).
  • The time difference between Hong Kong and London is 8h.
  • Tickets can only be changed or canceled 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.