HKG - LHR

C$ 526 Find Cheap Flights from Hong Kong to London – Compare and Save

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Everything you should know

Cheapest round-trip
C$ 913
Typical prices: C$ 1,051-C$ 1,515
SWISS
Mon 5/11Fri 9/11
HKG - LHR • 1 stop
Cheapest direct flights
C$ 1,157
Typical prices: C$ 1,277-C$ 1,702
British Airways
Thu 8/2Wed 21/2
HKG - LHR • Direct
Direct flights
Every day
You can fly direct with Cathay Pacific and British Airways. Average duration is 14h 38m
Direct flights
+1
Direct flights
+1
Avoid delays
British Airways
Most punctual • 93% on-time
Afternoon
Best time • Fewest delays
Insights
Insights
When to book
11 weeks
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
November
Cheapest • 11% price drop
June
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Chengdu Tianfu Intl (TFU)
Cheapest • Avg C$ 803 (round-trip)
Zurich (ZRH)
Shortest trip • 15h 53m (one-way)
Insights
Insights
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We hope you enjoy your trip to London Heathrow Airport!
Flight Deals
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Expert advice
Flight Deals

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

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

Recent round-trip flight deals from Hong Kong to London

Thu, 5 Nov - Mon, 9 Nov
SWISS Logo
11:30 p.m. - 8:05 a.m.HKG  Hong Kong Intl-LHR London Heathrow
16h 35m1 stop Zurich
SWISS Logo
9:00 a.m. - 5:35 p.m.LHR  London Heathrow-HKG Hong Kong Intl
24h 35m2 stops Geneva Geneve-Cointrin Zurich
C$ 913SWISS
Wed, 25 Nov - Sun, 29 Nov
SWISS Logo
11:30 p.m. - 8:05 a.m.HKG  Hong Kong Intl-LHR London Heathrow
16h 35m1 stop Zurich
SWISS Logo
9:00 a.m. - 5:35 p.m.LHR  London Heathrow-HKG Hong Kong Intl
24h 35m2 stops Geneva Geneve-Cointrin Zurich
C$ 917SWISS
Thu, 19 Nov - Mon, 23 Nov
SWISS Logo
11:30 p.m. - 8:05 a.m.HKG  Hong Kong Intl-LHR London Heathrow
16h 35m1 stop Zurich
SWISS Logo
9:00 a.m. - 5:35 p.m.LHR  London Heathrow-HKG Hong Kong Intl
24h 35m2 stops Geneva Geneve-Cointrin Zurich
C$ 919SWISS
Wed, 18 Nov - Wed, 25 Nov
SWISS Logo
11:30 p.m. - 8:05 a.m.HKG  Hong Kong Intl-LHR London Heathrow
16h 35m1 stop Zurich
SWISS Logo
9:00 a.m. - 5:35 p.m.LHR  London Heathrow-HKG Hong Kong Intl
24h 35m2 stops Geneva Geneve-Cointrin Zurich
C$ 923SWISS
Mon, 23 Nov - Wed, 2 Dec
SWISS Logo
11:30 p.m. - 11:15 a.m.HKG  Hong Kong Intl-LHR London Heathrow
19h 45m1 stop Zurich
SWISS Logo
2:25 p.m. - 5:35 p.m.LHR  London Heathrow-HKG Hong Kong Intl
19h 10m2 stops Geneva Geneve-Cointrin Zurich
C$ 924SWISS
Tue, 3 Nov - Sat, 7 Nov
SWISS Logo
11:30 p.m. - 4:40 p.m.HKG  Hong Kong Intl-LHR London Heathrow
25h 10m2 stops Zurich Geneva Geneve-Cointrin
SWISS Logo
8:05 p.m. - 5:35 p.m.LHR  London Heathrow-HKG Hong Kong Intl
37h 30m1 stop Zurich
C$ 926SWISS
Mon, 23 Nov - Fri, 4 Dec
SWISS Logo
11:30 p.m. - 8:05 a.m.HKG  Hong Kong Intl-LHR London Heathrow
16h 35m1 stop Zurich
SWISS Logo
6:40 p.m. - 5:35 p.m.LHR  London Heathrow-HKG Hong Kong Intl
14h 55m1 stop Zurich
C$ 927SWISS
Thu, 19 Nov - Sat, 5 Dec
SWISS Logo
11:30 p.m. - 4:40 p.m.HKG  Hong Kong Intl-LHR London Heathrow
25h 10m2 stops Zurich Geneva Geneve-Cointrin
SWISS Logo
8:05 p.m. - 5:35 p.m.LHR  London Heathrow-HKG Hong Kong Intl
37h 30m1 stop Zurich
C$ 928SWISS
Thu, 5 Nov - Mon, 9 Nov
SWISS Logo
11:30 p.m. - 4:40 p.m.HKG  Hong Kong Intl-LHR London Heathrow
25h 10m2 stops Zurich Geneva Geneve-Cointrin
SWISS Logo
6:40 p.m. - 5:35 p.m.LHR  London Heathrow-HKG Hong Kong Intl
14h 55m1 stop Zurich
C$ 931SWISS
Tue, 19 Jan - Tue, 26 Jan
SWISS Logo
11:30 p.m. - 8:05 a.m.HKG  Hong Kong Intl-LHR London Heathrow
16h 35m1 stop Zurich
SWISS Logo
7:00 a.m. - 5:35 p.m.LHR  London Heathrow-HKG Hong Kong Intl
26h 35m2 stops Geneva Geneve-Cointrin Zurich
C$ 933SWISS
Booking Insights

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

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

How much is a round-trip flight from Hong Kong to London Heathrow Airport?

Round-trip flights from Hong Kong to London Heathrow Airport typically range from C$ 1,051 to C$ 1,515. The lowest price found in the past 5 days was C$ 913, on SWISS.

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

Based on deals KAYAK users found in the last 12 months, Tuesday is the cheapest day of the week to fly from Hong Kong to London Heathrow Airport. It’s 6% cheaper than the average day, while Saturday is the most expensive, with prices 10% higher.

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

•November is the cheapest month to fly from Hong Kong to London Heathrow Airport at C$ 1,115 round-trip.
•September (C$ 1,486) and August (C$ 1,361) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 33% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Hong Kong to London Heathrow Airport the cheapest?

Flights from Hong Kong to London Heathrow Airport 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.

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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
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.

Read more
Duncan Madden

Duncan Madden

Expert on LHR

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.

Read more

Key details for Hong Kong to London Heathrow Airport flights

Low season

October

Cheapest flight

C$ 526
Beat the crowds with an average 27% drop in traveller numbers.
The most popular month to fly with an average 49% increase in traveller numbers.
One-way 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 round-trip 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 Heathrow Airport flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines, and booking tips.

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

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

    • Earliest: departs at 12:15 am and lands at 2:53 pm
    • Latest: departs at 11:15 pm and lands at 1:53 pm.

    The flight takes about 14h 38m.

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

    Two cabin classes are available on flights from Hong Kong to London Heathrow Airport:

    • Economy Class
    • Business Class

  • How long does a flight from Hong Kong to London Heathrow Airport take?

    A direct flight from Hong Kong to London Heathrow Airport takes 14h 38m, covering 15,488 km.

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

    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 much should I expect to pay for a Hong Kong to London Heathrow Airport flight?

    Round-trip flights from Hong Kong to London Heathrow Airport range from C$ 1,051 to C$ 1,515, with an average of C$ 1,255 over the past 12 months. Anything below C$ 1,051 counts as a good deal.

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

    Last-minute fares on this route (booked within two weeks of departure) run 0% above the C$ 1,255 route average. Book 11 weeks before departure for the lowest fares.

  • How much can I save by taking a layover when flying from Hong Kong to London Heathrow Airport?

    On this route, layover flights are cheaper than direct options on average. Layover fares average C$ 803 round-trip via Chengdu Tianfu Intl (TFU), compared to C$ 1,463 for direct.

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

    There is no standard. Checked bag policies vary by airline on this route. Most carriers charge C$ 140–C$ 140 for the first checked bag in economy. Premium fares and elite status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from Hong Kong to London Heathrow Airport?

    The Airbus A350-1000 family is used most often on this route, operated mainly by British Airways and Cathay Pacific. Other aircraft seen on the route include Boeing 777-300ER variants.

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

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

  • Which airlines offer Wi-Fi on Hong Kong to London Heathrow Airport flights?

    Cathay Pacific is the only airline on the Hong Kong to London Heathrow Airport route offering in-flight Wi-Fi. Pricing depends on fare class.

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

    One-way fares from Hong Kong to London Heathrow Airport are currently lower than usual. Average one-way flight prices are about C$ 643, which is 12% below the typical average for this route.

  • What car rental options are available at London Heathrow Airport (LHR)?

    London Heathrow Airport (LHR) hosts 5 major car rental companies, with daily rates starting from around C$ 10 for economy cars. Top options include:

    • GREEN MOTION
    • DRIVALIA
    • Europcar
    • Alamo
    • Hertz

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

    Flights from Hong Kong to London Heathrow Airport usually depart from Hong Kong Intl (HKG) and arrive at London Heathrow (LHR).

  • What time of day has the fewest delays on flights from Hong Kong to London Heathrow Airport?

    Afternoon flights have the fewest delays on this route, while morning departures tend to have the most.

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

    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 Heathrow Airport route, 23% of flights were delayed in the past three months, with delays averaging 1h 46m.

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

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

    • Zurich (ZRH) – 18% of one-stop connections
    • Beijing Capital (PEK) – 15% of one-stop connections
    • Abu Dhabi Zayed Intl (AUH) – 13% of one-stop connections
    • Shanghai Pu Dong (PVG) – 12% of one-stop connections

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

    Yes. Flexible dates can save you up to 15% on flights from Hong Kong to London Heathrow Airport. Tuesday is the cheapest departure day at C$ 1,186 round-trip on average, while Saturday is the most expensive at C$ 1,389, a difference of C$ 203.

    KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.

  • Which airlines fly from Hong Kong to London Heathrow Airport?

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

    • Cathay Pacific
    • British Airways

  • How much time can I save by choosing a different layover airport when travelling from Hong Kong to London Heathrow Airport?

    Flying via Zurich (ZRH) gives the shortest average 1-stop total travel time at 15h 53m, compared with 15h 55m via Frankfurt am Main (FRA) and 16h 11m via Amsterdam Schiphol (AMS).

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

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

  • Which popular places can I visit in London Heathrow Airport?

    Some of the most popular sights in London Heathrow Airport are Trafalgar Square, Hyde Park, and London Eye. These are among the most viewed places in London Heathrow Airport on KAYAK.

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

    Among airlines operating Hong Kong to London Heathrow Airport flights:

    • Cathay Pacific: offers free seat selection

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

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

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

    • Cathay Pacific: a carry-on bag and a checked bag in Economy Class
    • British Airways: a carry-on bag and a checked bag in Economy Class

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

Your guide to booking Hong Kong to London Heathrow Airport 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 Tuesday departure and avoid flying on Saturday. On this route, Tuesday flights average C$ 1,186, about C$ 203 less than Saturday fares (15% 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 Heathrow Airport trip for November. Fares historically average C$ 1,115 round-trip in that month – typically C$ 371 less than the most expensive month, which is September (based on the last 12 months).
  • For the best chance of arriving on time, fly with British Airways. Over the past three months, 93% of British Airways flights from Hong Kong to London Heathrow Airport arrived on time, slightly above the route average of 77%. When flights on this route arrive late, they're delayed by an average of 1h 46m, so choosing an airline with strong on-time performance can make a difference if you're on a tight schedule.
  • If you have the time, taking a 1-stop flight through Chengdu Tianfu Intl Airport (TFU) can be cheaper than flying direct. The cheapest layover option averages C$ 803 round-trip on this route – about C$ 660 less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to London Heathrow Airport.

    • Hilton London Heathrow Airport

Prefer to fly direct from Hong Kong to London?

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

Direct departures

Hong Kong Intl to London Heathrow

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 nonstop flights

Direct returns

London Heathrow 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 nonstop flights

More options for your flight from Hong Kong to London

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

Car rentals in London
Hotels in London
Vacations in London