How often are flights from Hong Kong to London delayed?

Historically, on average around 18% of flights between Hong Kong and London have experienced a delay on any given week. The average delay length over the past 12 months has been 139 minutes.

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

Frankfurt am Main (FRA) was the most common stop: 20% of momondo users choosing 1-stop flights on this route connected there.

What day of the week experiences the fewest flight delays on this route?

Thursday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

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

Flights connecting via Beijing (PEK) have the shortest average one-way travel time: 15h 50m.

What is the most punctual flight time for Hong Kong to London flights?

Generally, flights departing in the evening tend to experience fewer delays. Flights in the morning have, in the past, seen delays more frequently in comparison.

Which airline has the best punctuality record on Hong Kong to London flights?

According to our data, British Airways have had the least number of delays on this route over the last 12 months; with about 6% of their flights experiencing any sort of delay.

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

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

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.

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

The number of flights available between Hong Kong and London is 49 per week as of December 2025. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.

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

As of December 2025, there are 7 flights per day flying from Hong Kong to London. The most common time of day flights depart is 10:00PM, with 60% of flights taking off in the evening.

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 09m.

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 48% of people opting to fly with this airline when traveling to London. Keep in mind that there are 8 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.

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 December 2025, there are 8 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.

$241 Cheap Flights from Hong Kong to London in 2025/26

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Hong Kong to London

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:40 pm - 10:45 am

HKG

LHR

20h 05m2 stops

11:30 am - 6:30 pm

LHR

HKG

23h 00m1 stop

$578Multiple Airlines

Tue, Feb 3 - Wed, Mar 4

10:40 pm - 1:50 pm

HKG

LHR

23h 10m2 stops

11:30 am - 6:30 pm

LHR

HKG

23h 00m1 stop

$579Multiple Airlines

Tue, Jan 20 - Wed, Jan 28

8:30 am - 5:55 pm

HKG

LHR

17h 25m1 stop

9:35 pm - 3:55 pm

LHR

HKG

34h 20m1 stop

$580Multiple Airlines

Thu, Feb 5 - Thu, Feb 12

8:30 am - 5:50 pm

HKG

LHR

17h 20m1 stop

5:40 pm - 9:50 pm

LHR

HKG

20h 10m1 stop

$582Air China

Thu, Jan 22 - Sun, Jan 25

10:40 pm - 1:50 pm

HKG

LHR

23h 10m2 stops

7:15 pm - 3:25 pm

LHR

HKG

37h 10m1 stop

$593KLM

Tue, Mar 24 - Wed, Apr 15

5:40 pm - 2:00 pm

HKG

LGW

28h 20m1 stop

10:30 am - 2:25 pm

LGW

HKG

19h 55m1 stop

$594China Eastern

Fri, Feb 13 - Fri, Feb 20

11:30 pm - 1:40 pm

HKG

LHR

22h 10m2 stops

8:05 pm - 5:45 pm

LHR

HKG

37h 40m1 stop

$602SWISS

Tue, Jan 20 - Sat, Jan 24

10:40 pm - 10:45 am

HKG

LHR

20h 05m2 stops

5:05 pm - 6:30 pm

LHR

HKG

17h 25m2 stops

$610KLM

Thu, Jan 22 - Wed, Jan 28

10:40 pm - 1:50 pm

HKG

LHR

23h 10m2 stops

5:05 pm - 6:30 pm

LHR

HKG

17h 25m2 stops

$611KLM

Tue, Jan 20 - Wed, Jan 28

9:45 pm - 5:00 pm

HKG

LHR

27h 15m1 stop

10:20 am - 7:05 pm

LHR

HKG

24h 45m1 stop

$618Finnair

Thu, Mar 12 - Thu, Mar 19

SWISS flights from Hong Kong to London

Our best SWISS deals on Hong Kong to London flight tickets

SWISS

Jan 20

HKG11:30 pmHong Kong Intl

22h 10m

2 stops

LHR1:40 pmLondon Heathrow

Jan 24

LHR8:05 pmLondon Heathrow

37h 40m

1 stop

HKG5:45 pmHong Kong Intl

$602

Find similar

SWISS

Jan 20

HKG11:30 pmHong Kong Intl

19h 45m

1 stop

LHR11:15 amLondon Heathrow

Jan 27

LHR9:00 amLondon Heathrow

24h 45m

2 stops

HKG5:45 pmHong Kong Intl

$603

Find similar

SWISS

Jan 21

HKG11:30 pmHong Kong Intl

16h 35m

1 stop

LHR8:05 amLondon Heathrow

Jan 29

LHR2:25 pmLondon Heathrow

19h 20m

2 stops

HKG5:45 pmHong Kong Intl

$635

Find similar

China Eastern flights from Hong Kong to London

Our best China Eastern deals on Hong Kong to London flight tickets

China Eastern

Feb 13

HKG5:40 pmHong Kong Intl

28h 20m

1 stop

LGW2:00 pmLondon Gatwick

Feb 20

LGW10:30 amLondon Gatwick

19h 55m

1 stop

HKG2:25 pmHong Kong Intl

$594

Find similar

China Eastern

Feb 1

HKG6:25 pmHong Kong Intl

31h 05m

2 stops

LHR5:30 pmLondon Heathrow

Feb 8

LHR9:00 pmLondon Heathrow

16h 05m

1 stop

HKG9:05 pmHong Kong Intl

$627

Find similar

China Eastern

Feb 1

HKG6:25 pmHong Kong Intl

31h 05m

2 stops

LHR5:30 pmLondon Heathrow

Feb 8

LHR9:00 pmLondon Heathrow

16h 05m

1 stop

HKG9:05 pmHong Kong Intl

$628

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Hong KongLondon

HKG - LHR

HKGLHR

Hong Kong Intl

Tue 2/3

10:40 pm-10:45 am

2 stops20h 05m

London Heathrow

Wed 3/4

11:30 am-6:30 pm

1 stop23h 00m

$578

Hong KongLondon

HKG - LHR

HKGLHR

Hong Kong Intl

Tue 1/20

10:40 pm-1:50 pm

2 stops23h 10m

London Heathrow

Wed 1/28

11:30 am-6:30 pm

1 stop23h 00m

$579

Hong KongLondon

HKG - LHR

HKGLHR

Hong Kong Intl

Thu 2/5

8:30 am-5:55 pm

1 stop17h 25m

London Heathrow

Thu 2/12

9:35 pm-3:55 pm

1 stop34h 20m

$580

Hong KongLondon

HKG - LHR

HKGLHR

Hong Kong Intl

Thu 1/22

8:30 am-5:50 pm

1 stop17h 20m

London Heathrow

Sun 1/25

5:40 pm-9:50 pm

1 stop20h 10m

$582

Hong KongLondon

HKG - LHR

HKGLHR

Hong Kong Intl

Tue 3/24

10:40 pm-1:50 pm

2 stops23h 10m

London Heathrow

Wed 4/15

7:15 pm-3:25 pm

1 stop37h 10m

$593

Hong KongLondon

HKG - LGW

HKGLGW

Hong Kong Intl

Fri 2/13

5:40 pm-2:00 pm

1 stop28h 20m

London Gatwick

Fri 2/20

10:30 am-2:25 pm

1 stop19h 55m

$594

Hong KongLondon

HKG - LHR

HKGLHR

Hong Kong Intl

Tue 1/20

11:30 pm-1:40 pm

2 stops22h 10m

London Heathrow

Sat 1/24

8:05 pm-5:45 pm

1 stop37h 40m

$602

Hong KongLondon

HKG - LHR

HKGLHR

Hong Kong Intl

Thu 1/22

10:40 pm-10:45 am

2 stops20h 05m

London Heathrow

Wed 1/28

5:05 pm-6:30 pm

2 stops17h 25m

$610

Hong KongLondon

HKG - LHR

HKGLHR

Hong Kong Intl

Tue 1/20

10:40 pm-1:50 pm

2 stops23h 10m

London Heathrow

Wed 1/28

5:05 pm-6:30 pm

2 stops17h 25m

$611

Hong KongLondon

HKG - LHR

HKGLHR

Hong Kong Intl

Thu 3/12

9:45 pm-5:00 pm

1 stop27h 15m

London Heathrow

Thu 3/19

10:20 am-7:05 pm

1 stop24h 45m

$618

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

Delays

Layovers

Other information

What is the cheapest month to fly to London?

The cheapest month to fly to London from Hong Kong is in February. Flight prices, which tend to average around $739, are often lower during this time because this is during the off-season. The month of November is another great option to travel to London, with average flight prices from Hong Kong averaging around $739.

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 $920. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around $1,050. 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 $935 when looking at flights departing in the evening. Flights to London are more costly at noon, with an average ticket price of $1,069. 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 $867 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 $848 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 18% 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 December 2025, prices for Hong Kong to London flights are approximately 19% 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	$1,746
Fastest flight time	14h 25m
Direct flights	Every day
Airports in London	6 airports

The best one-way flight to London from Hong Kong in the past 72 hours is $1,746. The best round-trip flight deal from Hong Kong to London found on momondo in the last 72 hours is $910.

The fastest flight from Hong Kong to London takes 14h 25m

Direct flights go from Hong Kong to London every day.

There are 6 airports in London. From Hong Kong there are direct flights to 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 14h 25m, 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 December 2025, there are 8 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 55.39% of the total bookings. Other popular models include Airbus A350-1000 with 35.64%, Boeing 777 with 6.28%, and Airbus A350-900 with 0.99%.
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 (23% of total bookings). The next most popular airlines are British Airways (20%), China Eastern (17%), and SWISS (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 1,817 reviews	Search SWISS flights
Finnair	PriceFrom $475	Free Cancellation	Rating 7.6 1,339 reviews	Search Finnair flights
Lufthansa	PriceFrom $485	Free Cancellation	Rating 6.8 7,649 reviews	Search Lufthansa flights
China Southern	PriceFrom $550	Free Cancellation	Rating 7.5 123 reviews	Search China Southern flights
Air China	PriceFrom $618	Free Cancellation	Rating 7.2 132 reviews	Search Air China flights
China Eastern	PriceFrom $651	Free Cancellation	Rating 7.2 179 reviews	Search China Eastern flights
British Airways	PriceFrom $713	Free Cancellation	Rating 6.7 7,607 reviews	Search British Airways flights
Cathay Pacific	PriceFrom $755	Free Cancellation	Rating 7.6 1,103 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 35 flights on this route every week with an average price of $1,065. Cathay Pacific is rated 7.6/10 by our users.
British Airways Flights From Hong Kong to London
British Airways (6.7/10 from 7,607 reviews) operates around 7 flights from Hong Kong to London in any given week. The average British Airways airfare for this route is around $878, 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

Wembley

Watford

Ilford

Cobham

Folkestone

Romford

Richmond

Uxbridge

Stansted

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.

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.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

Thu 1/22

Thu 1/29

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

London City Airport

London Gatwick Airport

London Heathrow Airport

London Luton Airport

London Southend Airport

London Stansted Airport

Popular cities in the United Kingdom

Flights to Manchesterfrom $385

Flights to Edinburghfrom $365

Flights to Birminghamfrom $386

Flights to Glasgowfrom $393

Flights to Newcastle upon Tynefrom $478

Flights to Belfastfrom $525

Flights to Bristolfrom $423

Flights to Invernessfrom $417

Flights to Liverpoolfrom $424

Flights to Aberdeenfrom $522

Flights to Leedsfrom $420

Flights to Cardifffrom $401

Cheap flights from Hong Kong to London from $250

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 1/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Hong Kong to London

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

SWISS flights from Hong Kong to London

Our best SWISS deals on Hong Kong to London flight tickets

China Eastern flights from Hong Kong to London

Our best China Eastern deals on Hong Kong to London flight tickets

momondo Fare Finder

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

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 18% 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 December 2025, prices for Hong Kong to London flights are approximately 19% 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, Royal Brunei Airlines, and China Eastern are the most popular carriers operating from Hong Kong Intl to London

What airlines fly to London?

How often are flights from Hong Kong to London delayed?

Historically, on average around 18% of flights between Hong Kong and London have experienced a delay on any given week. The average delay length over the past 12 months has been 139 minutes.

What is the most punctual flight time for Hong Kong to London flights?

Generally, flights departing in the evening tend to experience fewer delays. Flights in the morning have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Thursday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Hong Kong to London flights?

According to our data, British Airways have had the least number of delays on this route over the last 12 months; with about 6% of their flights experiencing any sort of delay.

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

Frankfurt am Main (FRA) was the most common stop: 20% 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 Beijing (PEK) have the shortest average one-way travel time: 15h 50m.

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 09m.

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

As of December 2025, there are 7 flights per day flying from Hong Kong to London. The most common time of day flights depart is 10:00PM, with 60% 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 49 per week as of December 2025. The most frequent departure day is Mon, with 14% 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?