Cheap flights from Hong Kong to London from $396

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Hong Kong to London departing on 15/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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Cheap return flights

SWISS Logo
23:20 - 08:05HKG-LHR
16h 45m1 stop
SWISS Logo
17:10 - 17:05LHR-HKG
15h 55m1 stop
$814SWISS
Find Deal
Wed, 19 Nov - Mon, 24 Nov
SWISS Logo
23:20 - 16:20HKG-LHR
25h 00m1 stop
SWISS Logo
08:55 - 17:05LHR-HKG
24h 10m1 stop
$816SWISS
Find Deal
Mon, 27 Oct - Sun, 9 Nov
Finnair Logo
21:45 - 20:40HKG-LHR
30h 55m1 stop
Finnair Logo
07:30 - 19:05LHR-HKG
27h 35m1 stop
$841Finnair
Find Deal
Wed, 19 Nov - Mon, 24 Nov
KLM Logo
22:45 - 16:15HKG-LHR
24h 30m1 stop
KLM Logo
15:45 - 16:20LHR-HKG
16h 35m1 stop
$857KLM
Find Deal
Fri, 10 Oct - Thu, 13 Nov
KLM Logo
22:45 - 09:00HKG-LHR
17h 15m1 stop
KLM Logo
17:50 - 16:20LHR-HKG
14h 30m1 stop
$860KLM
Find Deal
Sun, 5 Oct - Tue, 11 Nov
 Logo
23:15 - 07:55HKG-LHR
15h 40m1 stop
 Logo
17:30 - 16:25LHR-HKG
14h 55m1 stop
Thu, 16 Oct - Wed, 25 Mar
China Southern Logo
08:30 - 18:05HKG-LHR
16h 35m1 stop
China Southern Logo
21:30 - 23:00LHR-HKG
17h 30m1 stop
$867China Southern
Find Deal
Mon, 13 Oct - Sat, 15 Nov
 Logo
22:45 - 09:00HKG-LHR
17h 15m1 stop
 Logo
19:45 - 17:30LHR-HKG
14h 45m1 stop
Sun, 21 Sep - Sun, 28 Sep
China Southern Logo
13:40 - 18:05HKG-LHR
35h 25m1 stop
China Southern Logo
21:30 - 23:00LHR-HKG
17h 30m1 stop
$959China Southern
Find Deal
Mon, 13 Oct - Fri, 14 Nov
Finnair Logo
20:55 - 22:10HKG-LHR
32h 15m1 stop
Finnair Logo
07:30 - 17:40LHR-HKG
27h 10m1 stop
$1,020Finnair
Find Deal
Wed, 17 Sep - Wed, 22 Oct

Finnair flights from Hong Kong to London

Our best Finnair deals on Hong Kong to London flight tickets
Finnair
19 Nov
HKG21:45Hong Kong Intl
30h 55m
1 stop
LHR20:40London Heathrow
24 Nov
LHR07:30London Heathrow
27h 35m
1 stop
HKG19:05Hong Kong Intl
Finnair
17 Sept
HKG20:55Hong Kong Intl
32h 15m
1 stop
LHR22:10London Heathrow
22 Oct
LHR07:30London Heathrow
27h 10m
1 stop
HKG17:40Hong Kong Intl
Finnair
17 Sept
HKG20:55Hong Kong Intl
32h 15m
1 stop
LHR22:10London Heathrow
22 Oct
LHR07:30London Heathrow
27h 10m
1 stop
HKG17:40Hong Kong Intl

SWISS flights from Hong Kong to London

Our best SWISS deals on Hong Kong to London flight tickets
SWISS
19 Nov
HKG23:20Hong Kong Intl
16h 45m
1 stop
LHR08:05London Heathrow
24 Nov
LHR17:10London Heathrow
15h 55m
1 stop
HKG17:05Hong Kong Intl
SWISS
27 Oct
HKG23:20Hong Kong Intl
25h 00m
1 stop
LHR16:20London Heathrow
9 Nov
LHR08:55London Heathrow
24h 10m
1 stop
HKG17:05Hong Kong Intl
SWISS
6 Nov
HKG23:20Hong Kong Intl
21h 40m
1 stop
LHR13:00London Heathrow
14 Nov
LHR20:05London Heathrow
37h 00m
1 stop
HKG17:05Hong Kong Intl

See travel insights to London from

How to get the cheapest flight ticket from Hong Kong to London

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Hong Kong and London?

What is the cheapest month to fly to London?

If you aren’t able to travel during the month of November, then book flights to London from Hong Kong during December instead. Flights to London in December, while not as cheap as those in November, still average around $977.

What is the cheapest day to depart on your flight to London?

Our data shows that Thursday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as $1,255. When flying out on a Wednesday, the most expensive travel day of the week, you can expect to see flight prices from Hong Kong to London for around $1,767.

What is the cheapest time of day to depart on your flight to London?

The cheapest time of day to fly to London is at midday when flights can be purchased for as low as $1,319. In contrast, the most expensive time of day to depart to London is in the evening when prices are around $1,477.

What is the cheapest Hong Kong Intl to London flight route?

Fly from Hong Kong Intl to London Heathrow for the best Hong Kong Intl - London flight prices

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

You are more likely to see cheaper flights to London from Hong Kong when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around $1,268 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Hong Kong for as low as $1,203 on momondo.

What cabin class options are available on Hong Kong Intl to London flights?

There are 3 cabin classes available to choose from on Hong Kong Intl to London flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Hong Kong to London flight prices changed over time?

As of July 2025, prices for Hong Kong to London flights are approximately 37% cheaper when compared to flights at the same time last year.

When to book flights from Hong Kong to London

Are you open to changing your travel dates? Check out the ideal times to fly from Hong Kong to London according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Hong Kong to London (HKG to LON) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Hong Kong to London

Best price found

$396

Fastest flight time

14h 30m

Direct flights

Every day

Airports in London

1 airport
The best one-way flight to London from Hong Kong in the past 72 hours is $396. The best return flight deal from Hong Kong to London found on momondo in the last 72 hours is $814.
The fastest flight from Hong Kong to London takes 14h 30m
Direct flights go from Hong Kong to London every day.
There is 1 airport near London: London Heathrow (LHR)

  • How far is Hong Kong Intl to London by plane?

    The straight-line distance from Hong Kong Intl to London is 9616.0 km. In terms of flight time, this usually takes a little over 15h 40m.

  • When did momondo last update prices for flights from Hong Kong Intl Airport to London?

    Prices for flights from Hong Kong Intl Airport to London are updated daily.

  • How many operators does momondo search for flights from Hong Kong Intl Airport to London?

  • How old do you have to be to fly from Hong Kong Intl Airport to London?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Hong Kong Intl Airport to London.

  • What documentation or ID do you need to fly to London?

    The travel and health documents you'll need for your trip to London may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at London. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Hong Kong to London?

  • What is the most popular airline from Hong Kong to London?


Best airlines flying from Hong Kong to London

Compare and see reviews for airlines that fly from Hong Kong to London with momondo
Airline
Rating
Free cancellation
Price
British AirwaysPriceFrom $1,274Free cancellationRating
6.6
7,134 reviews
Search British Airways flights
  • British Airways Flights From Hong Kong to London

    British Airways flies from Hong Kong to London around 7 times per week, with 7,141 momondo users rating the airline 6.6/10. The cheapest British Airways deal from Hong Kong to London in the last 72 hours was $836 (round-trip), much lower than the average airfare cost of $985 for British Airways flights on this route.


Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Hounslow
Brentford
Wembley
Slough
Dover
Ipswich
Abingdon
Harrow
Richmond
Eastbourne
Chichester
Deal
Kingston upon Thames
Brentwood
Milton Keynes
Guildford
Maidstone
Sutton
Watford

Why use momondo?

Why should I use momondo to find a flight deal from Hong Kong to London?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Hong Kong to London. momondo saves you time and could save you money on your trip.

Can I find flights from Hong Kong to London with flexible booking policies on momondo?

All flight searches from Hong Kong to London on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Hong Kong to London?

Once you have performed a search for Hong Kong to London flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Hong Kong to London right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Hong Kong to London now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to London and let you know when they change.


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1 adult
Sun 20/7
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Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 49.5 km from London