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Cheap flights from Hong Kong to London from $239

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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Find the cheapest flights from Hong Kong to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
KLM Logo
10:20 pm - 7:40 am
HKG
-
LHR
16h 20m
1 stop
KLM Logo
11:45 am - 3:25 pm
LHR
-
HKG
20h 40m
1 stop
$564KLM
Wed, Jun 3 - Mon, Jun 8
Multiple Airlines Logo
2:05 pm - 5:55 pm
HKG
-
LHR
35h 50m
1 stop
Multiple Airlines Logo
9:00 pm - 9:10 am
LHR
-
HKG
28h 10m
2 stops
$572Multiple Airlines
Wed, Mar 11 - Mon, Mar 16
Multiple Airlines Logo
7:40 am - 5:30 pm
HKG
-
LHR
17h 50m
1 stop
Multiple Airlines Logo
9:30 pm - 11:00 pm
LHR
-
HKG
17h 30m
1 stop
$573Multiple Airlines
Fri, Feb 27 - Sun, Mar 15
KLM Logo
11:25 pm - 5:00 pm
HKG
-
LHR
25h 35m
1 stop
KLM Logo
5:05 pm - 6:30 pm
LHR
-
HKG
17h 25m
2 stops
$577KLM
Fri, Jan 23 - Wed, Jan 28
KLM Logo
11:25 pm - 1:50 pm
HKG
-
LHR
22h 25m
1 stop
KLM Logo
5:05 pm - 6:30 pm
LHR
-
HKG
17h 25m
2 stops
$578KLM
Mon, Jan 26 - Mon, Feb 2
China Eastern Logo
8:20 pm - 5:30 pm
HKG
-
LHR
29h 10m
1 stop
China Eastern Logo
9:00 pm - 4:30 pm
LHR
-
HKG
35h 30m
2 stops
$583China Eastern
Wed, Feb 25 - Wed, Mar 4
China Eastern Logo
7:30 am - 6:40 pm
HKG
-
LHR
18h 10m
1 stop
China Eastern Logo
9:20 pm - 9:30 pm
LHR
-
HKG
17h 10m
1 stop
$593China Eastern
Tue, Jun 9 - Sun, Jun 21
SWISS Logo
11:30 pm - 11:15 am
HKG
-
LHR
19h 45m
1 stop
SWISS Logo
8:05 pm - 5:45 pm
LHR
-
HKG
37h 40m
1 stop
$613SWISS
Tue, Mar 3 - Sat, Mar 21
SWISS Logo
11:30 pm - 10:40 am
HKG
-
LGW
19h 10m
2 stops
SWISS Logo
6:40 pm - 5:45 pm
LGW
-
HKG
15h 05m
1 stop
$663SWISS
Fri, Jan 23 - Wed, Jan 28
Singapore Airlines Logo
2:10 pm - 6:25 am
HKG
-
LGW
24h 15m
1 stop
Singapore Airlines Logo
9:25 am - 11:20 am
LGW
-
HKG
17h 55m
1 stop
$676Singapore Airlines
Wed, Mar 11 - Mon, Mar 16

KLM flights from Hong Kong to London

Our best KLM deals on Hong Kong to London flight tickets
KLM
Jun 3
HKG10:20 pmHong Kong Intl
16h 20m
1 stop
LHR7:40 amLondon Heathrow
Jun 8
LHR11:45 amLondon Heathrow
20h 40m
1 stop
HKG3:25 pmHong Kong Intl
$564
KLM
Jan 23
HKG11:25 pmHong Kong Intl
25h 35m
1 stop
LHR5:00 pmLondon Heathrow
Jan 28
LHR5:05 pmLondon Heathrow
17h 25m
2 stops
HKG6:30 pmHong Kong Intl
$577
KLM
Jan 26
HKG11:25 pmHong Kong Intl
22h 25m
1 stop
LHR1:50 pmLondon Heathrow
Feb 2
LHR5:05 pmLondon Heathrow
17h 25m
2 stops
HKG6:30 pmHong Kong Intl
$578

China Eastern flights from Hong Kong to London

Our best China Eastern deals on Hong Kong to London flight tickets
China Eastern
Feb 25
HKG8:20 pmHong Kong Intl
29h 10m
1 stop
LHR5:30 pmLondon Heathrow
Mar 4
LHR9:00 pmLondon Heathrow
35h 30m
2 stops
HKG4:30 pmHong Kong Intl
$583
China Eastern
Jun 9
HKG7:30 amHong Kong Intl
18h 10m
1 stop
LHR6:40 pmLondon Heathrow
Jun 21
LHR9:20 pmLondon Heathrow
17h 10m
1 stop
HKG9:30 pmHong Kong Intl
$593
China Eastern
Mar 11
HKG10:05 pmHong Kong Intl
23h 55m
1 stop
LGW2:00 pmLondon Gatwick
Mar 16
LGW10:30 amLondon Gatwick
17h 00m
1 stop
HKG11:30 amHong Kong Intl
$594

momondo Fare Finder

 
Customize your flight search to find flights from Hong Kong to London that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated January 12, 2026.
Use the filters below to find and compare flights from Hong Kong to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Hong KongLondon

HKG - LHR

HKGLHR

Hong Kong Intl

Wed 6/3

10:20 pm-7:40 am

1 stop16h 20m

London Heathrow

Mon 6/8

11:45 am-3:25 pm

1 stop20h 40m

$564

Hong KongLondon

HKG - LHR

HKGLHR

Hong Kong Intl

Wed 3/11

2:05 pm-5:55 pm

1 stop35h 50m

London Heathrow

Mon 3/16

9:00 pm-9:10 am

2 stops28h 10m

$572

Hong KongLondon

HKG - LHR

HKGLHR

Hong Kong Intl

Fri 2/27

7:40 am-5:30 pm

1 stop17h 50m

London Heathrow

Sun 3/15

9:30 pm-11:00 pm

1 stop17h 30m

$573

Hong KongLondon

HKG - LHR

HKGLHR

Hong Kong Intl

Fri 1/23

11:25 pm-5:00 pm

1 stop25h 35m

London Heathrow

Wed 1/28

5:05 pm-6:30 pm

2 stops17h 25m

$577

Hong KongLondon

HKG - LHR

HKGLHR

Hong Kong Intl

Mon 1/26

11:25 pm-1:50 pm

1 stop22h 25m

London Heathrow

Mon 2/2

5:05 pm-6:30 pm

2 stops17h 25m

$578

Hong KongLondon

HKG - LHR

HKGLHR

Hong Kong Intl

Wed 2/25

8:20 pm-5:30 pm

1 stop29h 10m

London Heathrow

Wed 3/4

9:00 pm-4:30 pm

2 stops35h 30m

$583

Hong KongLondon

HKG - LHR

HKGLHR

Hong Kong Intl

Tue 6/9

7:30 am-6:40 pm

1 stop18h 10m

London Heathrow

Sun 6/21

9:20 pm-9:30 pm

1 stop17h 10m

$593

Hong KongLondon

HKG - LHR

HKGLHR

Hong Kong Intl

Tue 3/3

11:30 pm-11:15 am

1 stop19h 45m

London Heathrow

Sat 3/21

8:05 pm-5:45 pm

1 stop37h 40m

$613

Hong KongLondon

HKG - LGW

HKGLGW

Hong Kong Intl

Fri 1/23

11:30 pm-10:40 am

2 stops19h 10m

London Gatwick

Wed 1/28

6:40 pm-5:45 pm

1 stop15h 05m

$663

Hong KongLondon

HKG - LGW

HKGLGW

Hong Kong Intl

Wed 3/11

2:10 pm-6:25 am

1 stop24h 15m

London Gatwick

Mon 3/16

9:25 am-11:20 am

1 stop17h 55m

$676

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 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 $735, 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 Sunday. Travelers who choose to depart for London on a Sunday will often find tickets for as low as $891. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around $1,036. 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 $929 when looking at flights departing in the evening. Flights to London are more costly at noon, with an average ticket price of $1,059. 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 $860 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 $841 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 16% 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 January 2026, prices for Hong Kong to London flights are approximately 29% 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 $828.
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?

  • 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?

  • 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
SWISSPriceFrom $302Free CancellationRating
7.5
1,846 reviews
Search SWISS flights
FinnairPriceFrom $475Free CancellationRating
7.6
1,347 reviews
Search Finnair flights
LufthansaPriceFrom $485Free CancellationRating
6.8
7,709 reviews
Search Lufthansa flights
China SouthernPriceFrom $550Free CancellationRating
7.3
133 reviews
Search China Southern flights
Air ChinaPriceFrom $618Free CancellationRating
7.2
136 reviews
Search Air China flights
China EasternPriceFrom $651Free CancellationRating
7.2
188 reviews
Search China Eastern flights
British AirwaysPriceFrom $713Free CancellationRating
6.7
7,665 reviews
Search British Airways flights
Cathay PacificPriceFrom $755Free CancellationRating
7.6
1,130 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 $1,071. Cathay Pacific is rated 7.6/10 by our users.

  • British Airways Flights From Hong Kong to London

    British Airways (6.7/10 from 7,665 reviews) operates around 7 flights from Hong Kong to London in any given week. The average British Airways airfare for this route is around $870, 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.

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Luton
Hounslow
Milton Keynes
Dover
Slough
Guildford
Hayes
Crawley
Dartford
Brentwood
Watford
Wembley
Cobham
Folkestone
Romford
Richmond
Uxbridge
Chelmsford
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

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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 35.6 mi from London
London City Airport
London Gatwick Airport
London Heathrow Airport
London Luton Airport
London Southend Airport
London Stansted Airport