What airlines fly to London?

Cathay Pacific, British Airways and Air China are the top three most popular airlines that fly to London from Hong Kong according to our data. Cathay Pacific is the first choice among our users, with 50% of people opting to fly with this airline when traveling to London. Keep in mind that there are 9 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Hong Kong Intl to London?

Hainan Airlines, China Eastern, and Air China are the most popular carriers operating from Hong Kong Intl to London

How many flights depart from Hong Kong to London on average per day?

As of November 2025, there are 6 flights per day flying from Hong Kong to London. The most common time of day flights depart is 10:00PM, with 57% of flights taking off in the evening.

Which layover airport offers the lowest fares from Hong Kong to London?

Flights via Beijing (PKX) offer the lowest average round-trip price of $614.

Which layover airport has the shortest travel time from Hong Kong to London?

Flights connecting via Shanghai (PVG) have the shortest average one-way travel time: 15h 55m.

Which airport is the most popular layover for flights between Hong Kong and London?

Frankfurt am Main (FRA) was the most common stop: 19% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport has the shortest connection time from Hong Kong to London?

Zurich (ZRH) has the shortest average layover time for this route: 1h 03m.

How many flights depart from Hong Kong to London on average per week?

The number of flights available between Hong Kong and London is 47 per week as of November 2025. The most frequent departure day is Tue, with 15% of weekly flights leaving on this day.

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 were last updated today.

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

As of November 2025, there are 9 operators available to choose from 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?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. 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 necessary travel and health documents for your London trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$290 Cheap Flights from Hong Kong to London in 2025/26

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Find the cheapest flights from Hong Kong to London

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Cheap round-trip flights

Enter your travel dates to find the best prices.

8:20 pm - 6:30 amHKG-LGW

18h 10m1 stop

10:30 am - 12:40 pmLGW-HKG

18h 10m1 stop

$592China Eastern

Find Deal

lun., dic. 15 - vie., ene. 9

11:30 pm - 8:05 amHKG-LHR

16h 35m1 stop

8:05 pm - 5:45 pmLHR-HKG

37h 40m1 stop

$593SWISS

Find Deal

mar., feb. 3 - sáb., feb. 7

9:35 am - 5:30 pmHKG-LHR

15h 55m1 stop

9:00 pm - 10:45 pmLHR-HKG

41h 45m2 stops

$595Multiple Airlines

Find Deal

lun., dic. 15 - vie., ene. 9

11:30 pm - 1:40 pmHKG-LHR

22h 10m2 stops

8:05 pm - 5:45 pmLHR-HKG

37h 40m1 stop

$597SWISS

Find Deal

dom., dic. 7 - mar., ene. 13

5:40 pm - 6:30 amHKG-LGW

20h 50m1 stop

5:00 pm - 7:20 pmLGW-HKG

18h 20m1 stop

$598China Eastern

Find Deal

jue., feb. 12 - mar., feb. 24

11:30 pm - 4:40 pmHKG-LHR

25h 10m2 stops

6:40 pm - 5:45 pmLHR-HKG

15h 05m1 stop

$598SWISS

Find Deal

mar., nov. 25 - jue., dic. 4

8:15 pm - 5:50 pmHKG-LHR

29h 35m1 stop

9:35 pm - 12:05 pmLHR-HKG

30h 30m1 stop

$606Air China

Find Deal

jue., dic. 4 - jue., dic. 11

8:55 pm - 8:40 pmHKG-LHR

30h 45m1 stop

7:30 am - 5:40 pmLHR-HKG

27h 10m1 stop

$629Finnair

Find Deal

lun., abr. 20 - lun., may. 4

9:45 pm - 8:40 pmHKG-LHR

30h 55m1 stop

7:30 am - 7:05 pmLHR-HKG

27h 35m1 stop

$630Finnair

Find Deal

jue., feb. 26 - vie., mar. 6

11:45 pm - 8:45 amHKG-LHR

17h 00m1 stop

5:30 pm - 4:25 pmLHR-HKG

14h 55m1 stop

$641Lufthansa

Find Deal

mar., feb. 10 - vie., oct. 30

SWISS flights from Hong Kong to London

Our best SWISS deals on Hong Kong to London flight tickets

SWISS

Feb 3

HKG11:30 pmHong Kong Intl

16h 35m

1 stop

LHR8:05 amLondon Heathrow

Feb 7

LHR8:05 pmLondon Heathrow

37h 40m

1 stop

HKG5:45 pmHong Kong Intl

$593

Find similar

SWISS

Dec 7

HKG11:30 pmHong Kong Intl

22h 10m

2 stops

LHR1:40 pmLondon Heathrow

Jan 13

LHR8:05 pmLondon Heathrow

37h 40m

1 stop

HKG5:45 pmHong Kong Intl

$597

Find similar

SWISS

Nov 25

HKG11:30 pmHong Kong Intl

25h 10m

2 stops

LHR4:40 pmLondon Heathrow

Dec 4

LHR6:40 pmLondon Heathrow

15h 05m

1 stop

HKG5:45 pmHong Kong Intl

$598

Find similar

KLM flights from Hong Kong to London

Our best KLM deals on Hong Kong to London flight tickets

KLM

Mar 23

HKG11:25 pmHong Kong Intl

17h 35m

1 stop

LHR9:00 amLondon Heathrow

Apr 6

LHR9:55 amLondon Heathrow

22h 30m

1 stop

HKG3:25 pmHong Kong Intl

$601

Find similar

KLM

Mar 23

HKG11:25 pmHong Kong Intl

19h 20m

1 stop

LHR10:45 amLondon Heathrow

Apr 6

LHR9:55 amLondon Heathrow

22h 30m

1 stop

HKG3:25 pmHong Kong Intl

$621

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Hong KongLondon

HKG - LGW

HKGLGW

Hong Kong Intl

lun. 12/15

8:20 pm-6:30 am

1 stop18h 10m

London Gatwick

vie. 1/9

10:30 am-12:40 pm

1 stop18h 10m

$592

Hong KongLondon

HKG - LHR

HKGLHR

Hong Kong Intl

mar. 2/3

11:30 pm-8:05 am

1 stop16h 35m

London Heathrow

sáb. 2/7

8:05 pm-5:45 pm

1 stop37h 40m

$593

Hong KongLondon

HKG - LHR

HKGLHR

Hong Kong Intl

lun. 12/15

9:35 am-5:30 pm

1 stop15h 55m

London Heathrow

vie. 1/9

9:00 pm-10:45 pm

2 stops41h 45m

$595

Hong KongLondon

HKG - LHR

HKGLHR

Hong Kong Intl

dom. 12/7

11:30 pm-1:40 pm

2 stops22h 10m

London Heathrow

mar. 1/13

8:05 pm-5:45 pm

1 stop37h 40m

$597

Hong KongLondon

HKG - LGW

HKGLGW

Hong Kong Intl

jue. 2/12

5:40 pm-6:30 am

1 stop20h 50m

London Gatwick

mar. 2/24

5:00 pm-7:20 pm

1 stop18h 20m

$598

Hong KongLondon

HKG - LHR

HKGLHR

Hong Kong Intl

mar. 11/25

11:30 pm-4:40 pm

2 stops25h 10m

London Heathrow

jue. 12/4

6:40 pm-5:45 pm

1 stop15h 05m

$598

Hong KongLondon

HKG - LHR

HKGLHR

Hong Kong Intl

jue. 12/4

8:15 pm-5:50 pm

1 stop29h 35m

London Heathrow

jue. 12/11

9:35 pm-12:05 pm

1 stop30h 30m

$606

Hong KongLondon

HKG - LHR

HKGLHR

Hong Kong Intl

lun. 4/20

8:55 pm-8:40 pm

1 stop30h 45m

London Heathrow

lun. 5/4

7:30 am-5:40 pm

1 stop27h 10m

$629

Hong KongLondon

HKG - LHR

HKGLHR

Hong Kong Intl

jue. 2/26

9:45 pm-8:40 pm

1 stop30h 55m

London Heathrow

vie. 3/6

7:30 am-7:05 pm

1 stop27h 35m

$630

Hong KongLondon

HKG - LHR

HKGLHR

Hong Kong Intl

mar. 2/10

11:45 pm-8:45 am

1 stop17h 00m

London Heathrow

vie. 10/30

5:30 pm-4:25 pm

1 stop14h 55m

$641

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Layovers

Other information

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

What is the cheapest month to fly to London?

The cheapest month to fly to London from Hong Kong is in November. Flight prices, which tend to average around $653, are often lower during this time because this is during the off-season. The month of December is another great option to travel to London, with average flight prices from Hong Kong averaging around $706.

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

The cheapest day to depart from Hong Kong to London is on a Monday. Travelers who choose to depart for London on a Monday will often find tickets for as low as $941. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around $1,030. These prices are subject to change though, so be sure to set up a Price Alert for flights to London.

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

Flying to London from Hong Kong in the evening is the least expensive time of day to depart. momondo users have found prices as low as $951 when looking at flights departing in the evening. Flights to London are more costly at noon, with an average ticket price of $1,056. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

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 $864 when searching weeks out. 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 $825 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.

Can stopping save me money on Hong Kong to London flights?

You could potentially save up to 6% on your flight if you consider stops on a Hong Kong to London flight.

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

As of November 2025, prices for Hong Kong to London flights are approximately 24% 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 round-trip 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	$641
Fastest flight time	14h 10m
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 $641. The best round-trip flight deal from Hong Kong to London found on momondo in the last 72 hours is $843.

The fastest flight from Hong Kong to London takes 14h 10m

Direct flights go from Hong Kong to London every day.

There is 1 airport near London: London Heathrow (LHR)

Search flight deals

How far is Hong Kong Intl to London by plane?
The straight-line distance from Hong Kong Intl to London is 5975.1 mi. Flights usually cover this in 15h 55m, depending on flying conditions and air traffic around both airports.
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 were last updated today.
How many operators does momondo search for flights from Hong Kong Intl Airport to London?
As of November 2025, there are 9 operators available to choose from 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?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. 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 necessary travel and health documents for your London trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Hong Kong to London?
Based on momondo bookings for flights between Hong Kong and London, the leading plane model is Boeing 777-300ER, making up 47.99% of the total bookings. Other popular models include Airbus A350-1000 with 41.34%, Boeing 777 with 8.37%, and Airbus A350-900 with 1.15%.
What is the most popular airline from Hong Kong to London?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Hong Kong to London is Cathay Pacific (22% of total bookings). The next most popular airlines are British Airways (19%), SWISS (17%), and China Eastern (16%).

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
SWISS	PriceFrom $302	Free Cancellation	Rating 7.5 1,779 reviews	Search SWISS flights
Lufthansa	PriceFrom $485	Free Cancellation	Rating 6.8 7,558 reviews	Search Lufthansa flights
China Southern	PriceFrom $550	Free Cancellation	Rating 7.5 119 reviews	Search China Southern flights
Finnair	PriceFrom $565	Free Cancellation	Rating 7.6 1,335 reviews	Search Finnair flights
Air China	PriceFrom $622	Free Cancellation	Rating 7.1 122 reviews	Search Air China flights
China Eastern	PriceFrom $650	Free Cancellation	Rating 7.2 174 reviews	Search China Eastern flights
British Airways	PriceFrom $713	Free Cancellation	Rating 6.7 7,500 reviews	Search British Airways flights
Turkish Airlines	PriceFrom $723	Free Cancellation	Rating 7.3 4,032 reviews	Search Turkish Airlines flights
Cathay Pacific	PriceFrom $755	Free Cancellation	Rating 7.6 1,055 reviews	Search Cathay Pacific flights

Cathay Pacific Flights From Hong Kong to London
The lowest priced Cathay Pacific flight from Hong Kong to London from the last 72 hours was $755. Generally, Cathay Pacific has 33 flights on this route every week with an average price of $1,088. Cathay Pacific is rated 7.6/10 by our users.
British Airways Flights From Hong Kong to London
British Airways (6.7/10 from 7,500 reviews) operates around 7 flights from Hong Kong to London in any given week. The average British Airways airfare for this route is around $882, with deals from around $713 rare but found on momondo. Referenced prices are for round-trip Hong Kong to London flight searches in the last 72 hours.

Gatwick

Hounslow

Milton Keynes

Dover

Luton

Slough

Guildford

Hayes

Dartford

Crawley

Brentwood

Chelmsford

Wembley

Folkestone

Romford

Ilford

Cobham

Stansted

Harrow

Watford

Why use momondo?

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

It is quick and easy to find Hong Kong to London flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to London that suits you.

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

Flights from Hong Kong to London with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to London from Hong Kong.

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

Price alerts on flights to London from Hong Kong are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Flights to Cardifffrom $451

Cheap flights from Hong Kong to London from $290

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 3/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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SWISS flights from Hong Kong to London

Our best SWISS deals on Hong Kong to London flight tickets

KLM flights from Hong Kong to London

Our best KLM deals on Hong Kong to London flight tickets

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Use the filters below to find and compare flights from Hong Kong to London that are best for you.

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?

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

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

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?

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.

Can stopping save me money on Hong Kong to London flights?

You could potentially save up to 6% on your flight if you consider stops on a Hong Kong to London flight.

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

As of November 2025, prices for Hong Kong to London flights are approximately 24% cheaper when compared to flights at the same time last year.

What is the cheapest airline that flies from Hong Kong Intl to London?

Hainan Airlines, China Eastern, and Air China are the most popular carriers operating from Hong Kong Intl to London

What airlines fly to London?

Which airport is the most popular layover for flights between Hong Kong and London?

Frankfurt am Main (FRA) was the most common stop: 19% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Hong Kong to London?

Flights via Beijing (PKX) offer the lowest average round-trip price of $614.

Which layover airport has the shortest travel time from Hong Kong to London?

Flights connecting via Shanghai (PVG) have the shortest average one-way travel time: 15h 55m.

Which layover airport has the shortest connection time from Hong Kong to London?

Zurich (ZRH) has the shortest average layover time for this route: 1h 03m.

How many flights depart from Hong Kong to London on average per day?

As of November 2025, there are 6 flights per day flying from Hong Kong to London. The most common time of day flights depart is 10:00PM, with 57% of flights taking off in the evening.

How many flights depart from Hong Kong to London on average per week?

The number of flights available between Hong Kong and London is 47 per week as of November 2025. The most frequent departure day is Tue, with 15% of weekly flights leaving on this day.

When to book flights from Hong Kong to London

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

Fastest flight time

Direct flights

Airports in London

How far is Hong Kong Intl to London by plane?

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

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?

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

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

Cathay Pacific Flights From Hong Kong to London

British Airways Flights From Hong Kong to London

Traveling to a place near London?

Why use momondo?

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

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

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

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

An easier way to manage your London trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.