HKG - LON

£254 Find Cheap Flights from Hong Kong to London – Compare and Save

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Everything you should know

Cheapest return flight
£501
Typical prices: £543-£778
Multiple Airlines
Mon 3/12Tue 4/12
HKG - LGW • 2 stops
Cheapest direct flights
£631
Typical prices: £644-£874
British Airways
Sat 10/11Sat 17/11
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
+1
Expert advice
+1
Direct flights
You can fly direct with Cathay Pacific and British Airways. Average duration is 14h 24m
Direct flights
+1
Direct flights
+1
Top routes
Cheapest • 35% average savings
Most popular
Insights
Insights
Avoid delays
Most punctual • 94% on-time
Best time • Fewest delays
Insights
Insights
When to book
in advance
Our data shows that travellers who book at least 11 weeks in advance save around 10% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 15% price drop
Most popular
Good to know
+1
Good to know
+1
Top stopover airports
Cheapest • Avg £423 (return)
Shortest trip • 15h 55m (one-way)
Insights
Insights
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We hope you enjoy your trip to London!
Flight Deals
Booking Insights
Expert advice
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

Wed, 28 Oct - Mon, 2 Nov
Finnair Logo
21:45 - 20:40HKG  Hong Kong Intl-LHR London Heathrow
30h 55m1 stop Helsinki-Vantaa
Finnair Logo
16:15 - 19:05LHR  London Heathrow-HKG Hong Kong Intl
18h 50m1 stop Helsinki-Vantaa
£501Finnair
Sat, 19 Dec - Sat, 2 Jan
Multiple Airlines Logo
14:05 - 18:35HKG  Hong Kong Intl-LHR London Heathrow
36h 30m1 stop Beijing Daxing Intl
Multiple Airlines Logo
21:30 - 12:05LHR  London Heathrow-HKG Hong Kong Intl
30h 35m1 stop Chengdu Tianfu Intl
£501Multiple Airlines
Sun, 20 Dec - Fri, 8 Jan
Multiple Airlines Logo
14:05 - 18:35HKG  Hong Kong Intl-LHR London Heathrow
36h 30m1 stop Beijing Daxing Intl
Multiple Airlines Logo
17:45 - 20:50LHR  London Heathrow-HKG Hong Kong Intl
19h 05m1 stop Beijing Capital
£501Multiple Airlines
Mon, 2 Nov - Mon, 30 Nov
SWISS Logo
23:30 - 07:50HKG  Hong Kong Intl-LGW London Gatwick
16h 20m1 stop Zurich
SWISS Logo
18:40 - 17:35LGW  London Gatwick-HKG Hong Kong Intl
14h 55m1 stop Zurich
£502SWISS
Fri, 23 Oct - Sun, 1 Nov
China Eastern Logo
09:45 - 06:40HKG  Hong Kong Intl-LGW London Gatwick
27h 55m1 stop Shanghai Pu Dong
China Eastern Logo
10:30 - 16:20LGW  London Gatwick-HKG Hong Kong Intl
21h 50m1 stop Shanghai Pu Dong
£503China Eastern
Fri, 23 Oct - Sun, 1 Nov
China Eastern Logo
20:05 - 06:40HKG  Hong Kong Intl-LGW London Gatwick
17h 35m1 stop Shanghai Pu Dong
China Eastern Logo
10:30 - 21:05LGW  London Gatwick-HKG Hong Kong Intl
26h 35m1 stop Shanghai Pu Dong
£503China Eastern
Thu, 10 Dec - Sun, 3 Jan
China Southern Logo
08:30 - 17:55HKG  Hong Kong Intl-LHR London Heathrow
17h 25m1 stop Beijing Daxing Intl
China Southern Logo
21:30 - 12:50LHR  London Heathrow-HKG Hong Kong Intl
31h 20m1 stop Beijing Daxing Intl
£503China Southern
Thu, 8 Oct - Sun, 25 Oct
China Southern Logo
13:40 - 18:05HKG  Hong Kong Intl-LHR London Heathrow
35h 25m1 stop Beijing Daxing Intl
China Southern Logo
21:30 - 12:50LHR  London Heathrow-HKG Hong Kong Intl
31h 20m1 stop Beijing Daxing Intl
£503China Southern
Wed, 13 Jan - Wed, 19 May
Finnair Logo
21:45 - 20:40HKG  Hong Kong Intl-LHR London Heathrow
30h 55m1 stop Helsinki-Vantaa
Finnair Logo
07:30 - 17:40LHR  London Heathrow-HKG Hong Kong Intl
27h 10m1 stop Helsinki-Vantaa
£503Finnair
Sun, 17 Jan - Thu, 4 Feb
SWISS Logo
23:30 - 13:00HKG  Hong Kong Intl-LHR London Heathrow
21h 30m1 stop Zurich
SWISS Logo
13:45 - 17:35LHR  London Heathrow-HKG Hong Kong Intl
19h 50m1 stop Zurich
£506SWISS
Booking Insights

Price, demand, and travel trends for Hong Kong to London flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights from Hong Kong to London with more confidence.

What is the cheapest Hong Kong to London flight route?

Hong Kong (HKG) to London Luton Airport (LTN) is the cheapest Hong Kong to London route, averaging £370 return. Other Hong Kong to London routes average £623, based on KAYAK data over the past 12 months.

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

Wednesday is the cheapest day of the week to fly from Hong Kong to London and is 4% cheaper than the average day. Saturday is the most expensive day with flight prices 10% higher than average. Based on deals found by KAYAK users in the last 12 months.

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

  • November is the cheapest month to fly from Hong Kong to London at £548 return.
  • September (£711) and July (£694) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 29% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Hong Kong to London the cheapest?

Flights from Hong Kong to London are cheapest 11 weeks before departure. Booking in this window typically costs about 10% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

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.

Key details for Hong Kong to London flights

Low season

December

Cheapest flight

£254
Best time to beat the crowds but there is an average 2% increase in price.
Flights from Hong Kong to London Gatwick 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.

Your Hong Kong to London flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines, and booking questions.

  • 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.

  • Which airlines offer extra legroom and free seat selection on Hong Kong to London flights?

    Among airlines operating Hong Kong to London flights:

    • Cathay Pacific: offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • Which airlines are available on the route from Hong Kong to London?

    2 airlines operate flights between Hong Kong and London. The airlines offering direct flights on this route include:

    • Cathay Pacific
    • British Airways

  • Which airports can I use when flying from Hong Kong to London?

    Flights from Hong Kong to London usually depart from Hong Kong Intl (HKG) and may arrive at several airports in London area, including London City (LCY), London Gatwick (LGW), London Heathrow (LHR), London Luton (LTN), London Southend (SEN) and London Stansted (STN).

  • Which airlines include bags at no extra cost on Hong Kong to London flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • Cathay Pacific: a cabin bag and a checked bag in Economy class
    • British Airways: a cabin bag and a checked bag in Economy class

    Bag allowance can vary by ticket type, cabin class, route, and airline, so travellers should check the fare details before booking.

  • Which cabin classes can I book on flights from Hong Kong to London?

    Four cabin classes are available on flights from Hong Kong to London:

    • Economy class
    • Premium Economy Class
    • Business Class
    • First Class

    Prices vary by airline.

  • How much can I save by having a stopover when flying from Hong Kong to London?

    On this route, stopover flights are cheaper than direct options on average. Stopover fares average £423 return via Chengdu Tianfu Intl (TFU), compared with £749 for direct.

  • What is the standard checked bag allowance on flights from Hong Kong to London?

    There is no standard. Checked bag policies vary by airline on this route. Most carriers charge £74–£74 for the first checked bag in Economy. Premium fares and elite status bookings typically include a free checked bag.

  • Which airports do connecting flights from Hong Kong to London pass through?

    One-stop flights from Hong Kong to London most commonly connect through:

    • Shanghai Pu Dong (PVG) – 19% of one-stop connections
    • Beijing Capital (PEK) – 15% of one-stop connections
    • Zurich (ZRH) – 15% of one-stop connections
    • Doha Hamad Intl (DOH) – 9% of one-stop connections

    Shanghai Pu Dong (PVG) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Hong Kong to London?

    Yes. Being flexible with your travel dates can save you up to 13% on the Hong Kong to London route. Wednesday is the cheapest departure day at £623 return on average, while Saturday is the most expensive at £713, a difference of £90. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • At what point is a flight considered delayed on the route from Hong Kong to London?

    A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Hong Kong to London route, 23% of flights were delayed in the past 3 months, with delays averaging 1 hour 53 minutes.

  • How are flight departures from Hong Kong to London spread across the day?

    Night is the busiest departure period on Hong Kong to London flights, with 50% leaving in that window. Morning departures account for 34%, Afternoon flights for 16%, and Evening flights for 0%.

  • What popular places can I visit in London?

    Some of the most popular sights in London are London Victoria Station, London Euston Railway Station, and Hyde Park. These are among the most viewed places in London on KAYAK.

  • What are the earliest and latest flights from Hong Kong to London?

    These are the earliest and latest flight times available from Hong Kong to London:

    • Earliest: departs at 00:25 and lands at 14:49
    • Latest: departs at 23:55 and lands at 14:19.

    The flight takes about 14h 24m.

  • How expensive are last-minute Hong Kong to London flights?

    Last-minute fares on this route (booked within 2 weeks of departure) run 0% above the route average of £644. Book 11 weeks before departure for the lowest fares.

  • How long is a flight from Hong Kong to London?

    A direct flight from Hong Kong to London takes 14h 24m, covering 5,967 miles.

  • Do I need a passport to fly from Hong Kong to London?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How are flight prices from Hong Kong to London looking right now?

    One-way fares from Hong Kong to London are currently lower than usual. Average one-way flight prices are about £256, which is 35% below the typical average for this route.

  • How do delay rates compare for morning and evening flights from Hong Kong to London?

    Afternoon flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.

  • How much time can I save by choosing a different stopover airport from Hong Kong to London?

    Flying via Zurich (ZRH) gives the shortest average 1-stop total travel time of 15h 55m, compared to 15h 58m via Frankfurt am Main (FRA) and 16h 24m via Paris Charles de Gaulle (CDG).

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

    London is 7 hours behind Hong Kong (British Time vs Hong Kong Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car hire options are available in London?

    Since London is served by multiple airports, car hire options and rates can vary depending on which one you fly into.
    Near London Heathrow Airport (LHR) – daily rates from around £5:

    · GREEN MOTION
    · DRIVALIA
    · Europcar
    · Alamo
    · Hertz

    Near London Gatwick Airport (LGW) – daily rates from around £6:

    · GREEN MOTION
    · DRIVALIA
    · U-Save
    · Europcar
    · Alamo

    Near London City Airport (LCY) – daily rates from around £8:

    · GREEN MOTION
    · Budget
    · Hertz
    · Avis
    · Sixt

    Near London Luton Airport (LTN) – daily rates from around £8:

    · GREEN MOTION
    · DRIVALIA
    · Alamo
    · Europcar
    · Budget

    Near London Stansted Airport (STN) – daily rates from around £7:

    · GREEN MOTION
    · DRIVALIA
    · Europcar
    · Alamo
    · U-Save

  • How much should I expect to pay for a Hong Kong to London flight?

    Return flights from Hong Kong to London range from £543 to £778, with an average of £644 over the past 12 months. Anything below £543 counts as a good deal.

Your guide to booking Hong Kong to London flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Wednesday departure instead of Saturday. On this route, Wednesday flights average £623 – about £90 less than Saturday (13% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 11 weeks before you fly. On this route, that window historically saves about 10% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Hong Kong to London trip for November. Fares historically average £548 return in that month – typically £163 less than the most expensive month, which is September (based on the last 12 months).
  • If arriving on time is high on your priority list, British Airways is the strongest pick on this route. 94% of British Airways flights from Hong Kong to London arrived on time in the past 3 months, slightly above the route's average on-time arrival rate of 77%. When flights on this route do arrive late, the average delay is 1 hour53 minutes, so choosing an airline with strong on-time performance can make a difference on tight schedules.
  • If you have the time, taking a 1-stop flight through Chengdu Tianfu Intl Airport (TFU) can be cheaper than flying direct. The cheapest stopover option averages £423 return on this route – about £326 less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, hotels close to the airport you're flying into can be a convenient option.

    Near London City Airport

    · Crowne Plaza London Docklands By IHG
    · Good Hotel London
    · Novotel London Excel

    Near London Heathrow Airport

    · Hilton London Heathrow Airport

    Near London Gatwick Airport

    · Premier Inn London Gatwick Airport
  • 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