HKG - LON

£250 Find Cheap Flights from Hong Kong to London – Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest return fare
£487
Typical prices: £575-£741
SWISS
Thu 5/11Mon 9/11
HKG - LHR • 1 stop
Cheapest direct flights
£617
Typical prices: £670-£909
British Airways
Wed 10/2Wed 24/2
HKG - LHR • Direct
Advice from real travellers
Cathay Pacific economy includes two free checked bags on this long-haul route.
British Airways premium economy adds 18 cm extra legroom for more comfort.
Expert advice
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Direct flights
You can fly direct with British Airways and Cathay Pacific. Average duration is 14h 39m
Direct flights
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Direct flights
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Top routes
Insights
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Avoid delays
Most punctual • 91% on-time
Best time • Fewest delays
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Top stopover airports
Cheapest • Avg £501 (return)
Shortest trip • 16h 05m (one-way)
Insights
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When to book
in advance
Our data shows that travellers who book at least 2 weeks in advance save around 28% compared to booking last minute.
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When to travel
Cheapest • 8% price drop
Most popular
Good to know
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Flight Deals

Cheap Flights from Hong Kong to London (HKG-LON)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Hong Kong to London

Thu, 5 Nov - Mon, 9 Nov
SWISS Logo
23:30 - 08:05HKG  Hong Kong Intl-LHR London Heathrow
16h 35m1 stop Zurich
SWISS Logo
09:00 - 17:35LHR  London Heathrow-HKG Hong Kong Intl
24h 35m2 stops Geneva Geneve-Cointrin Zurich
£487SWISS
Wed, 25 Nov - Wed, 13 Jan
China Southern Logo
14:05 - 17:55HKG  Hong Kong Intl-LHR London Heathrow
35h 50m1 stop Beijing Daxing Intl
China Southern Logo
21:30 - 23:00LHR  London Heathrow-HKG Hong Kong Intl
17h 30m1 stop Beijing Daxing Intl
£488China Southern
Thu, 5 Nov - Fri, 27 Nov
China Eastern Logo
13:40 - 14:00HKG  Hong Kong Intl-LGW London Gatwick
32h 20m1 stop Shanghai Pu Dong
China Eastern Logo
10:30 - 16:20LGW  London Gatwick-HKG Hong Kong Intl
21h 50m1 stop Shanghai Pu Dong
£491China Eastern
Wed, 2 Dec - Tue, 8 Dec
Finnair Logo
21:45 - 20:40HKG  Hong Kong Intl-LHR London Heathrow
30h 55m1 stop Helsinki-Vantaa
Finnair Logo
07:30 - 19:05LHR  London Heathrow-HKG Hong Kong Intl
27h 35m1 stop Helsinki-Vantaa
£491Finnair
Thu, 3 Dec - Sun, 6 Dec
Finnair Logo
21:45 - 20:40HKG  Hong Kong Intl-LHR London Heathrow
30h 55m1 stop Helsinki-Vantaa
Finnair Logo
10:20 - 19:05LHR  London Heathrow-HKG Hong Kong Intl
24h 45m1 stop Helsinki-Vantaa
£491Finnair
Fri, 27 Nov - Wed, 2 Dec
Multiple Airlines Logo
07:35 - 06:25HKG  Hong Kong Intl-LHR London Heathrow
30h 50m2 stops Hanoi Noibai Shanghai Pu Dong
Multiple Airlines Logo
21:30 - 23:00LHR  London Heathrow-HKG Hong Kong Intl
17h 30m1 stop Beijing Daxing Intl
£491Multiple Airlines
Wed, 25 Nov - Fri, 4 Dec
SWISS Logo
23:30 - 08:05HKG  Hong Kong Intl-LHR London Heathrow
16h 35m1 stop Zurich
SWISS Logo
18:40 - 17:35LHR  London Heathrow-HKG Hong Kong Intl
14h 55m1 stop Zurich
£491SWISS
Sun, 22 Nov - Thu, 26 Nov
China Eastern Logo
17:40 - 14:00HKG  Hong Kong Intl-LGW London Gatwick
28h 20m1 stop Shanghai Pu Dong
China Eastern Logo
10:30 - 16:05LGW  London Gatwick-HKG Hong Kong Intl
21h 35m2 stops Shanghai Pu Dong Kunming Changshui
£492China Eastern
Thu, 3 Dec - Mon, 7 Dec
Hainan Airlines Logo
10:15 - 17:45HKG  Hong Kong Intl-LHR London Heathrow
39h 30m2 stops Haikou Meilan Intl Changsha Huanghua Intl
Hainan Airlines Logo
21:00 - 14:50LHR  London Heathrow-HKG Hong Kong Intl
33h 50m2 stops Changsha Huanghua Intl Haikou Meilan Intl
£492Hainan Airlines
Mon, 7 Dec - Fri, 22 Jan
China Southern Logo
08:10 - 18:35HKG  Hong Kong Intl-LHR London Heathrow
18h 25m1 stop Beijing Daxing Intl
China Southern Logo
21:30 - 23:00LHR  London Heathrow-HKG Hong Kong Intl
17h 30m1 stop Beijing Daxing Intl
£493China Southern
Booking Insights

KAYAK’s insights & trends for Hong Kong to London flights

Get data-powered insights and trends into flights from Hong Kong to London to help you find the cheapest flights, the best time to fly and much more.

How much is a return flight from Hong Kong to London?

Flight prices are below average for this route right now.

Flights to London from Hong Kong usually cost between £497 and £699 in November.
The lowest price found in the past 5 days was £487 on SWISS (5 Nov–9 Nov).

What is the cheapest Hong Kong to London flight route?

The cheapest return flight from Hong Kong to London costs £648 on the route between Hong Kong (HKG) and London Heathrow Airport (LHR). It is also the most popular route.

What’s the cheapest day of the week to fly from Hong Kong to London?

When flying from Hong Kong to London, you should consider leaving on a Sunday and avoid Fridays if you are looking for the best rates. For your return to Hong Kong, you’ll find the best rates on Mondays and the most expensive ones on Saturdays.

What is the cheapest month to fly from Hong Kong to London?

The cheapest month for flights from Hong Kong to London is November, where tickets cost £630 (return) on average. On the other hand, the most expensive months are September and April, where the average cost of round-trip tickets is £788 and £742 respectively.

Can I save money by flying with a stopover from Hong Kong to London?

Yes, flying with a stopover may cost you more time, but you can also save money on the route, with a 2 stops stopover the cheapest option at £602 on average.

How far in advance should I book a flight from Hong Kong to London?

To get a below average price on the flight from Hong Kong to London, you should book around 2 weeks before departure, which saves you about 28% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 7 weeks before departure.

Expert advice

Expert advice for your flight from Hong Kong to London

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Chris Dong

Chris Dong

Expert on Cathay Pacific

Chris is a consumer travel reporter covering aviation, trending travel news, hotels, and loyalty programmes – all for leading global publications like Travel + Leisure, The Washington Post, AFAR, and more. In addition to writing, Chris is a video host for Travel + Leisure, giving consumers an inside look at the latest in air travel.

Duncan Madden

Duncan Madden

Expert on British Airways

Duncan is a freelance travel writer, copywriter and book author in constant search of travel stories and the perpetual sensation of being on holiday. He’s never happier than when on a dusty trail in search of empty waves or ducking under the piste tape in search of snowbound solitude. British born, living in Germany, but happiest heading for the horizon. His first book, Found in Translation, explores the etymologies and stories of country names around the world and is out now.

Robert Schrader

Robert Schrader

Expert on HKG

One of the web's original travel bloggers, Robert launched his first site, Leave Your Daily Hell, in 2009. Since then, he's expanded into destination niche sites (one each for Japan, Thailand and Taiwan), in addition to having written for the inflight magazines of Singapore Airlines and Korean Air. Overall, he's visited nearly 100 countries, and flies business as often as possible.

Kirstie Pickering

Kirstie Pickering

Expert on LHR

Aviation and business journalist Kirstie didn’t leave England until she was 18 years old, but has since travelled to over 20 countries including Japan, Canada, and Iceland. Her travel expertise lies in European city breaks, including how to find the best locally-owned hotels and restaurants and how to optimise the airport experience for your needs.

Good to know - Cheap tickets from Hong Kong to London

Low season

November

Cheapest flight

£250
Best time to beat the crowds (7% less expensive on average)
Most popular time to fly (4% more expensive on average)
Flight from Hong Kong to London Heathrow Airport

When to book flights from Hong Kong to London

Are your dates flexible? Find out the best times to travel from Hong Kong to London based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

Flights from Hong Kong to London: the best tips from KAYAK users' own experiences

Insights shared by verified travellers who flew the route from Hong Kong to London 
JohnFlew with Cathay Pacific-Jul 2026
Fly with an airline that allows early online check-in so that seat can be chosen free of charge. Always allow plenty of time at the airport and travel light with few bags.
BarryFlew with British Airways-Jul 2024
Check if there are seats at the rear configured as 2-4-2. The extra space on the aisle is very good to have.

FAQs for booking flights from Hong Kong to London

  • Which airlines offer the best Business Class experience?

    The Airline offering the best Business Class experience on this route is Cathay Pacific. Their Business Flex options include flat beds, elegant dining, partitioned areas and special crew attention.

  • What is the baggage policy for Air China?

    Air China is very generous with their baggage policies, allowing 32 kg per passenger. You will be charged excess baggage costs if you are overweight. If you are planning on taking more baggage, then check it in online before your flight as the airport costs are pricier.

  • Which airlines save the most Co2 submissions during the flight from Hong Kong to London?

    There are four leading airlines when it comes to offsetting carbon emissions on their flights. The four airlines leading the way are British Airways, Vietnam Airlines, Finnair and Cathay Pacific. All of these airlines are reducing their carbon load by at least 52% per passenger.

  • Can I travel with Vietnam Airlines if I am pregnant?

    If you are pregnant and travelling, you are safe to travel with medical clearance within 32 weeks of the pregnancy. If you are over 36 weeks or expecting your baby within seven days, you are not allowed to fly due to safety concerns. You also cannot fly seven days after your delivery.

  • What is the cheapest flight from Hong Kong to London?

    In the last 5 days, the lowest price for a flight from Hong Kong to London was £250 for a one-way ticket and £487 for a return.

  • Which airports will I be using when flying from Hong Kong to London?

    When flying out of Hong Kong you will be using Hong Kong Intl. You will be landing at one of these airports: London City, London Gatwick, London Heathrow, London Luton, or London Stansted.

  • Which airlines offer Wi-Fi service onboard planes from Hong Kong to London?

    Only KLM offers inflight Wi-Fi service on the Hong Kong to London flight route.

  • Which aircraft models fly most regularly from Hong Kong to London?

    The Airbus A350-1000 is the aircraft model that flies most regularly on the Hong Kong to London flight route.

  • Which airline alliances offer flights from Hong Kong to London?

    SkyTeam, Star Alliance, and oneworld are the airline alliances operating flights between Hong Kong and London, with SkyTeam being the most commonly used for this route.

  • On which days can I fly direct from Hong Kong to London?

    There are direct flights from Hong Kong to London on a daily basis.

  • Which is the best airline for flights from Hong Kong to London, Emirates or Cathay Pacific?

    The two airlines most popular with KAYAK users for flights from Hong Kong to London are Emirates and Cathay Pacific. With an average price for the route of £658 and an overall rating of 8.1, Emirates is the most popular choice. Cathay Pacific is also a great choice for the route, with an average price of £749 and an overall rating of 7.6.

  • How does KAYAK find such low prices on flights from Hong Kong to London?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Hong Kong to London.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Hong Kong to London?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London from Hong Kong is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Hong Kong to London?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to London with an airline and back to Hong Kong with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Hong Kong to London?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to London from Hong Kong up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Hong Kong to London

  • Looking for a cheap flight from Hong Kong to London? 25% of our users found flights on this route for £515 or less one-way and £707 or less round-trip.
  • If you are on an early morning flight and want to stay close to the airport, then you can stay at the Regal Airport Hotel inside the Hong Kong Airport (HKG). You can access Terminal 1 within a 2 minute walk. This hotel is also close to Asia World Expo. You can also book a day time stay if you need to refresh before your flight.
  • If you are flying with British Airways, your flight booking and check in will be done with minimal stress. Use the exclusive BA app to make your booking and keep all of your travel arrangements in one place. Print out your boarding pass before you go to the airport and avoid delays. If you forget to print out your pass, just use one of the BA kiosks at the airport.
  • If you are travelling with Finnair and need the assistance of a guide dog or emotional assistance animal, then you can travel with your animal for free. Finnair offer this service for free for travellers who might need diabetic alert dogs or guide dogs for people with vision or sight impairment.
  • Korean Air offers 3 different seating classes. The most luxurious is their First Class offerings, Business and Economy. Unlike other airlines that offer Premium Economy, Korean Air only offer Basic Economy seating. There are options for booking extra leg space in economy to make the flight more comfortable.
  • Cathay Pacific pride themselves on making the flying experience a comfortable one for reduced mobility passengers. They prioritise seating for passengers with special needs. Wheelchair assistance, on board assistance and accessible lavatories are part of the experience. If you need any special assistance you must alert the airline 48 hours before your flight.

Prefer to fly direct from Hong Kong to London?

 
Find which airlines fly direct from Hong Kong Intl Airport to London, which days they fly and book direct flights.

Direct departures

Hong Kong Intl to London

Monday

British Airways,Cathay Pacific

British Airways,Cathay Pacific

Tuesday

British Airways,Cathay Pacific

British Airways,Cathay Pacific

Wednesday

British Airways,Cathay Pacific

British Airways,Cathay Pacific

Thursday

British Airways,Cathay Pacific

British Airways,Cathay Pacific

Friday

British Airways,Cathay Pacific

British Airways,Cathay Pacific

Saturday

British Airways,Cathay Pacific

British Airways,Cathay Pacific

Sunday

British Airways,Cathay Pacific

British Airways,Cathay Pacific

See more direct flights

Direct returns

London to Hong Kong Intl

Monday

British Airways,Cathay Pacific

British Airways,Cathay Pacific

Tuesday

British Airways,Cathay Pacific

British Airways,Cathay Pacific

Wednesday

British Airways,Cathay Pacific

British Airways,Cathay Pacific

Thursday

British Airways,Cathay Pacific

British Airways,Cathay Pacific

Friday

British Airways,Cathay Pacific

British Airways,Cathay Pacific

Saturday

British Airways,Cathay Pacific

British Airways,Cathay Pacific

Sunday

British Airways,Cathay Pacific

British Airways,Cathay Pacific

See more direct flights

More options for your flight from Hong Kong to London

Complete your trip to London with a hotel stay or car hire