HKG - LHR

$340 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 round-trip
$687
Typical prices: $747-$1,058
SWISS
Sun 10/14Sun 10/28
HKG - LHR • 1 stop
Cheapest non-stop
$874
Typical prices: $873-$1,184
British Airways
Sun 10/14Sun 10/28
HKG - LHR • Non-stop
Advice from real travelers
Cathay premium economy adds up to nine inches recline on this long-haul route.
BA premium economy adds seven inches legroom plus priority boarding.
Expert advice
+1
Expert advice
+1
Nonstop flights
You can fly direct with Cathay Pacific and British Airways. Average duration is 14h 17m
Direct flights
+1
Direct flights
+1
Avoid delays
Most punctual • 93% on-time
Best time • Fewest delays
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 11 weeks in advance save around 11% 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 layover airports
Cheapest • Avg $527 (round-trip)
Shortest trip • 15h 31m (one-way)
Insights
Insights
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We hope you love your trip to London Heathrow Airport!
Flight Deals
Booking Insights
Expert advice
Flight Deals

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

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

Recent round-trip flight deals from Hong Kong to Heathrow

Wed, Oct 14 - Wed, Oct 28
SWISS Logo
11:05 pm - 7:55 amHKG  Hong Kong Intl-LHR London Heathrow
15h 50m1 stop Zurich
SWISS Logo
9:00 am - 5:35 pmLHR  London Heathrow-HKG Hong Kong Intl
24h 35m2 stops Geneva Geneve-Cointrin Zurich
$687SWISS
Wed, Jan 13 - Wed, May 19
Finnair Logo
9:45 pm - 8:40 pmHKG  Hong Kong Intl-LHR London Heathrow
30h 55m1 stop Helsinki-Vantaa
Finnair Logo
7:30 am - 5:40 pmLHR  London Heathrow-HKG Hong Kong Intl
27h 10m1 stop Helsinki-Vantaa
$688Finnair
Wed, Nov 4 - Wed, Nov 18
Multiple Airlines Logo
11:45 pm - 10:25 amHKG  Hong Kong Intl-LHR London Heathrow
18h 40m2 stops Frankfurt am Main Munich Franz Josef Strauss
Multiple Airlines Logo
5:10 pm - 5:35 pmLHR  London Heathrow-HKG Hong Kong Intl
16h 25m1 stop Zurich
$690Multiple Airlines
Sat, Oct 3 - Mon, Oct 26
SWISS Logo
11:05 pm - 7:55 amHKG  Hong Kong Intl-LHR London Heathrow
15h 50m1 stop Zurich
SWISS Logo
8:05 pm - 5:35 pmLHR  London Heathrow-HKG Hong Kong Intl
37h 30m1 stop Zurich
$691SWISS
Thu, Oct 8 - Wed, Oct 14
Etihad Airways Logo
8:20 pm - 12:45 pmHKG  Hong Kong Intl-LHR London Heathrow
23h 25m1 stop Abu Dhabi Zayed Intl
Etihad Airways Logo
9:45 pm - 9:00 amLHR  London Heathrow-HKG Hong Kong Intl
28h 15m1 stop Abu Dhabi Zayed Intl
$716Etihad Airways
Tue, Dec 15 - Tue, Dec 22
Etihad Airways Logo
7:35 pm - 6:40 amHKG  Hong Kong Intl-LHR London Heathrow
19h 05m1 stop Abu Dhabi Zayed Intl
Etihad Airways Logo
7:20 pm - 8:30 amLHR  London Heathrow-HKG Hong Kong Intl
29h 10m1 stop Abu Dhabi Zayed Intl
$725Etihad Airways
Fri, Dec 25 - Sat, Jan 2
Air China Logo
1:45 pm - 7:40 pmHKG  Hong Kong Intl-LHR London Heathrow
37h 55m1 stop Chengdu Tianfu Intl
Air China Logo
9:35 pm - 12:05 pmLHR  London Heathrow-HKG Hong Kong Intl
30h 30m1 stop Chengdu Tianfu Intl
$747Air China
Thu, Dec 24 - Sat, Jan 2
Air China Logo
2:35 pm - 3:55 pmHKG  Hong Kong Intl-LHR London Heathrow
33h 20m1 stop Beijing Capital
Air China Logo
9:35 pm - 12:05 pmLHR  London Heathrow-HKG Hong Kong Intl
30h 30m1 stop Chengdu Tianfu Intl
$747Air China
Fri, Oct 9 - Mon, Oct 26
Qatar Airways Logo
1:25 am - 2:10 pmHKG  Hong Kong Intl-LHR London Heathrow
19h 45m1 stop Doha Hamad Intl
Qatar Airways Logo
9:25 am - 9:40 pmLHR  London Heathrow-HKG Hong Kong Intl
28h 15m1 stop Doha Hamad Intl
$822Qatar Airways
Wed, Sep 9 - Fri, Oct 2
Qatar Airways Logo
1:25 am - 2:05 pmHKG  Hong Kong Intl-LHR London Heathrow
19h 40m1 stop Doha Hamad Intl
Qatar Airways Logo
5:00 pm - 9:55 pmLHR  London Heathrow-HKG Hong Kong Intl
21h 55m1 stop Doha Hamad Intl
$834Qatar Airways
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 from Hong Kong to London Heathrow Airport 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 start at $687. Prices are below average for this route right now, with typical round-trip fares ranging from $747 to $1,058. The lowest price found in the past 5 days was $687 on SWISS.

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

Monday is the cheapest day of the week to fly from Hong Kong to London Heathrow Airport, it is 4% cheaper than the average day. Saturday is the most expensive day with flight prices 11% 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 Heathrow Airport?

  • November is the cheapest month to fly from Hong Kong to London Heathrow Airport at $746 round-trip.
  • September ($983) and July ($952) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 31% 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 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 11% 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 Heathrow

 
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 programs—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 and 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.

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.

Key details for Hong Kong to London Heathrow Airport flights

Low season

December

Cheapest flight

$340
Best time to beat the crowds but there is an average 2% increase in price.
Most popular time to fly with an average 1% increase in price.
Flight from Hong Kong to London Heathrow Airport

When to book flights from Hong Kong to Heathrow

Are your dates flexible? Find out the best times to travel from Hong Kong to Heathrow 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 Heathrow: the best tips from KAYAK users' own experiences

Insights shared by verified travelers who flew the route from Hong Kong to Heathrow 
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 route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • 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
    • British Airways: offers extra legroom; offers free seat selection

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

  • What airlines are available from Hong Kong to London Heathrow Airport?

    2 airlines operate flights between Hong Kong and London Heathrow Airport. The airlines offering nonstop flights on this route include:
    • Cathay Pacific
    • British Airways

  • 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).

  • 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 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 travelers should check the fare details before booking.

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

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

    • Economy Class
    • Premium Economy Class
    • Business Class

  • 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 nonstop options on average. Layover fares average $527 round-trip via Chengdu Tianfu Intl (TFU), compared to $1,015 for nonstop.

  • 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 $100–$100 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.

  • 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) - 16% of one-stop connections
    • Beijing Capital (PEK) - 15% of one-stop connections
    • Doha Hamad Intl (DOH) - 12% of one-stop connections
    • Shanghai Pu Dong (PVG) - 11% of one-stop connections

    Zurich (ZRH) 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 Heathrow Airport?

    Yes. Being flexible with your travel dates can save you up to 14% on the Hong Kong to London Heathrow Airport route. Monday is the cheapest departure day at $851 round-trip on average, while Saturday is the most expensive at $982, a difference of $131. 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 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 3 months, with delays averaging 2 hours 38 minutes.

  • 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 60% of flights leaving in that window. Morning departures account for 20%, afternoon flights for 20%, and evening flights for 0%.

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

    Some of the most popular sights in London Heathrow Airport are Paddington Station, Central London and London Victoria Station. These are among the most viewed places in London Heathrow Airport on KAYAK.

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

    A nonstop flight from Hong Kong to London Heathrow Airport takes 14h 17m, covering 5,980 miles.

  • 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 12:25 am and lands at 2:42 pm
    • Latest: departs at 11:55 pm and lands at 2:12 pm.

    The flight takes about 14h 17m.

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

    Last-minute fares on this route - booked within 2 weeks of departure - run 0% above the route average of $882. Book 11 weeks before departure for the lowest fares.

  • 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 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 $387, which is 29% below the typical average for this route.

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

    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 layover airport from Hong Kong to London Heathrow Airport?

    Flying via Haikou Meilan Intl (HAK) gives the shortest average 1-stop total travel time at 15h 31m, compared with 15h 56m via Zurich (ZRH) and 16h 04m via Frankfurt am Main (FRA).

  • 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.

  • 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 $7 for economy cars. Top options include:
    · GREEN MOTION
    · DRIVALIA
    · Europcar
    · Alamo
    · Hertz

  • 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 $747 to $1,058, with an average of $882 over the past 12 months. Anything below $747 counts as a good deal.

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 can be flexible, aim for a Monday departure instead of Saturday. On this route, Monday flights average $851 - about $131 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 11% 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 $746 round-trip in that month - typically $237 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. 93% of British Airways flights from Hong Kong to London Heathrow Airport 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 2 hours 38 minutes, so choosing a carrier 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 layover option averages $527 round-trip on this route - about $488 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 direct 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 direct flights

Everything you need to know for your flight from Hong Kong to Heathrow

Information on your arrival and departure airports