Cheap flights from Hong Kong to London Heathrow Airport from £178

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 25/2. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — LHR
26 Jan — 2 Feb1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Hong Kong Intl to London Heathrow are usually found in March or October, booked 36 days in advance, depart on a Monday or Tuesday and return on a Sunday

Cheap flight deals from Hong Kong to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Hong Kong to Heathrow
Explore the most affordable flight options available from Hong Kong to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 December 2025.

Sun 28/1214:35HKG - LHR
1 stop35h 15mAir China
Sun 4/117:40LHR - HKG
1 stop15h 05mAir China
Deal found 26/12£496
Sun 28/1210:15HKG - LHR
2 stops39h 40mMultiple Airlines
Sun 4/121:30LHR - HKG
1 stop31h 20mMultiple Airlines
Deal found 26/12£498
Wed 31/1221:45HKG - LHR
1 stop30h 55mFinnair
Tue 17/210:20LHR - HKG
1 stop24h 45mFinnair
Deal found 25/12£536
Sat 27/1220:20HKG - LHR
1 stop29h 10mChina Eastern
Thu 1/121:00LHR - HKG
1 stop16h 05mChina Eastern
Deal found 27/12£553
Wed 31/1221:45HKG - LHR
1 stop30h 55mFinnair
Sun 11/116:15LHR - HKG
1 stop18h 50mFinnair
Deal found 24/12£558
Sat 27/1207:40HKG - LHR
1 stop17h 50mChina Eastern
Wed 31/1221:00LHR - HKG
1 stop30h 30mChina Eastern
Deal found 26/12£559
Sat 27/1221:35HKG - LHR
1 stop28h 20mMultiple Airlines
Sat 3/121:35LHR - HKG
1 stop36h 35mMultiple Airlines
Deal found 25/12£566
Sun 28/1220:20HKG - LHR
1 stop29h 10mChina Eastern
Thu 1/121:00LHR - HKG
1 stop30h 30mChina Eastern
Deal found 25/12£588
Fri 26/1217:40HKG - LHR
1 stop31h 50mChina Eastern
Tue 30/1221:00LHR - HKG
1 stop33h 25mChina Eastern
Deal found 25/12£593
Fri 26/1223:25HKG - LHR
1 stop19h 00mMultiple Airlines
Sun 4/117:35LHR - HKG
1 stop16h 55mMultiple Airlines
Deal found 26/12£598

Find flight deals from Hong Kong to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Hong Kong (HKG) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 27 December 2025.

Round-trip from

£437

One-way from

£178

Popular in

September

Cheapest in

March

Average price

£676

Good round-trip deal

£570 or less

Good one-way deal

£450 or less
Royal Brunei Airlines
  • Royal Brunei Airlines
  • 15/1-21/1
  • 4 total stops
  • 61h 15m total
  • Hong Kong to London
China Eastern
  • China Eastern
  • 25/2
  • 1 total stop
  • 17h 50m total
  • Hong Kong to London
Highest demand for flights based on searches. 3% potential increase in price (£18 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease (£6 potential savings vs. average return price).
Average for round-trip flights in December 2025
Price to beat on a round-trip flight from Hong Kong Intl to London Heathrow.
Price to beat on a one-way flight from Hong Kong Intl to London Heathrow.

Cheapflights Fare Finder

 
Customise your flight search to find flights from Hong Kong to Heathrow 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, Cheapflights users made 858,174 searches. Data last updated 27 December 2025.
Use the filters below to find and compare flights from Hong Kong to London Heathrow Airport that are best for you.

Fly from

Hong Kong

Fly to

Heathrow

Route

Depart

Return

Price

Hong KongLondon

HKG - LHR

HKGLHR

Hong Kong Intl

Thu 28/5

20:55-20:40

1 stop30h 45m

London Heathrow

Wed 10/6

10:20-17:40

1 stop24h 20m

£473

Hong KongLondon

HKG - LHR

HKGLHR

Hong Kong Intl

Mon 26/1

23:30-13:40

2 stops22h 10m

London Heathrow

Fri 30/1

14:25-17:45

2 stops19h 20m

£474

Hong KongLondon

HKG - LHR

HKGLHR

Hong Kong Intl

Wed 13/5

20:55-17:05

1 stop27h 10m

London Heathrow

Tue 26/5

07:30-17:40

1 stop27h 10m

£474

Hong KongLondon

HKG - LHR

HKGLHR

Hong Kong Intl

Wed 25/3

21:45-20:40

1 stop30h 55m

London Heathrow

Thu 18/6

07:30-17:40

1 stop27h 10m

£478

Hong KongLondon

HKG - LHR

HKGLHR

Hong Kong Intl

Thu 22/1

19:35-18:10

1 stop30h 35m

London Heathrow

Sun 25/1

08:50-08:30

1 stop15h 40m

£480

Hong KongLondon

HKG - LHR

HKGLHR

Hong Kong Intl

Fri 23/1

23:30-08:05

1 stop16h 35m

London Heathrow

Fri 30/1

14:25-17:45

2 stops19h 20m

£493

Hong KongLondon

HKG - LHR

HKGLHR

Hong Kong Intl

Wed 14/1

23:30-08:05

1 stop16h 35m

London Heathrow

Sun 25/1

14:25-17:45

2 stops19h 20m

£499

Hong KongLondon

HKG - LHR

HKGLHR

Hong Kong Intl

Tue 20/1

22:40-13:50

2 stops23h 10m

London Heathrow

Sun 1/3

11:30-18:30

1 stop23h 00m

£510

Hong KongLondon

HKG - LHR

HKGLHR

Hong Kong Intl

Thu 14/5

22:20-10:45

2 stops19h 25m

London Heathrow

Tue 26/5

08:40-15:25

1 stop23h 45m

£518

Hong KongLondon

HKG - LHR

HKGLHR

Hong Kong Intl

Sun 1/2

23:30-08:05

1 stop16h 35m

London Heathrow

Sun 8/2

14:25-17:45

2 stops19h 20m

£527

Flights are sorted by cheapest return flights first.

Deals found on 27/12

Showing 1-10 of 24 results
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Best time to book a flight from Hong Kong to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Hong Kong with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Hong Kong to London Heathrow Airport

How far ahead should I book a flight from Hong Kong to London Heathrow Airport?

Use this chart to determine the optimal time to book a return flight from Hong Kong to Heathrow. Price data was last updated on 19 December 2025.

The best time to book flights from Hong Kong to London Heathrow Airport is 23 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Hong Kong to London Heathrow Airport?

Currently, February is the cheapest month in which you can book a flight from Hong Kong to London Heathrow Airport (average of £345). Flying from Hong Kong to London Heathrow Airport in September is currently the most expensive (average of £508). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from HKG to LHR?

Find hourly flight availability from Hong Kong to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 27 December 2025.

It’s typically best to fly out from Hong Kong to London Heathrow Airport in the afternoon. Doing so could potentially save you 17% on the flight price compared to flying in the morning, which is usually more expensive.

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated 27 December 2025.
See what other customers who have flown with Cathay Pacific, SWISS, andAir China from Hong Kong to London Heathrow Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.1

Boarding

7.9

Entertainment

7.8

Overall

7.6

Food

7.3

Comfort

7.6

Reviews

1 / 20
8.0
Excellent

Nancy,Dec 2025

SIN - HKG

Our flight was at4:45pm, and they allowed us to check in at 9am, which is good that we don’t have to carry the luggage to walk around. Our seats were assigned at the very back, and we requested to have it closed to the front, they were able to move forward a little bit. We requested to ship our carry on, but they charged extra fees, other airlines like air Canada would encourage customers to ship their carry on.

Crew

8.1

Boarding

7.9

Entertainment

7.8

Overall

7.6

Food

7.3

Comfort

7.6

Reviews

1 / 20
8.0
Excellent

Nancy,Dec 2025

SIN - HKG

Our flight was at4:45pm, and they allowed us to check in at 9am, which is good that we don’t have to carry the luggage to walk around. Our seats were assigned at the very back, and we requested to have it closed to the front, they were able to move forward a little bit. We requested to ship our carry on, but they charged extra fees, other airlines like air Canada would encourage customers to ship their carry on.

Crew

8.1

Boarding

7.9

Entertainment

7.8

Overall

7.6

Food

7.3

Comfort

7.6

Reviews

1 / 20
8.0
Excellent

Nancy,Dec 2025

SIN - HKG

Our flight was at4:45pm, and they allowed us to check in at 9am, which is good that we don’t have to carry the luggage to walk around. Our seats were assigned at the very back, and we requested to have it closed to the front, they were able to move forward a little bit. We requested to ship our carry on, but they charged extra fees, other airlines like air Canada would encourage customers to ship their carry on.

Crew

8.1

Boarding

7.9

Entertainment

7.8

Overall

7.6

Food

7.3

Comfort

7.6

Reviews

1 / 20
8.0
Excellent

Nancy,Dec 2025

SIN - HKG

Our flight was at4:45pm, and they allowed us to check in at 9am, which is good that we don’t have to carry the luggage to walk around. Our seats were assigned at the very back, and we requested to have it closed to the front, they were able to move forward a little bit. We requested to ship our carry on, but they charged extra fees, other airlines like air Canada would encourage customers to ship their carry on.

Crew

8.1

Boarding

7.9

Entertainment

7.8

Overall

7.6

Food

7.3

Comfort

7.6

Reviews

1 / 20
8.0
Excellent

Nancy,Dec 2025

SIN - HKG

Our flight was at4:45pm, and they allowed us to check in at 9am, which is good that we don’t have to carry the luggage to walk around. Our seats were assigned at the very back, and we requested to have it closed to the front, they were able to move forward a little bit. We requested to ship our carry on, but they charged extra fees, other airlines like air Canada would encourage customers to ship their carry on.

Crew

8.1

Boarding

7.9

Entertainment

7.8

Overall

7.6

Food

7.3

Comfort

7.6

Reviews

1 / 20
8.0
Excellent

Nancy,Dec 2025

SIN - HKG

Our flight was at4:45pm, and they allowed us to check in at 9am, which is good that we don’t have to carry the luggage to walk around. Our seats were assigned at the very back, and we requested to have it closed to the front, they were able to move forward a little bit. We requested to ship our carry on, but they charged extra fees, other airlines like air Canada would encourage customers to ship their carry on.

Related info for your journey

Find useful and relevant information for your journey from Hong Kong to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from Hong Kong to London Heathrow?

    Hong Kong Intl (HKG) is the airport you will fly out of if you book a flight from Hong Kong to London Heathrow. You should not have trouble finding flights to London Heathrow from Hong Kong Intl; the airport handles an average of 6 outbound flights to London Heathrow per day. You should also have plenty of airline options to choose from since 12 airlines have flights from the Hong Kong airport to London Heathrow. It is only a 16.2 mi journey to Hong Kong Intl (HKG) from Hong Kong’s city center.

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

    For as low as £474, Finnair can have you in London Heathrow Airport from Hong Kong in 22h 10m. There are 5980 mi between Hong Kong and London Heathrow Airport. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Hong Kong to London Heathrow Airport round-trip?

    SWISS, at £300, was found to be the cheapest airline from Hong Kong to London Heathrow Airport.Alternate airlines flying return to your destination include Lufthansa and China Southern. Users have found that SWISS is 53% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Hong Kong to London Heathrow Airport one-way?

    To fly one-way, consider booking your trip with Thai Airways, which is currently one of the cheapest options available, starting at £155. Etihad Airways flights start at £167 while deals on China Southern start at £180 one-way.

  • What are the most reliable airlines from Hong Kong to London Heathrow Airport?

    Consider Iberia (98%), British Airways (98%) or Cathay Pacific (79%) when booking your flight. These represent the most reliable airlines when flying from Hong Kong to London Heathrow Airport.

  • What are the cheapest flights from Hong Kong to London Heathrow Airport?

    While on average a flight from Hong Kong to London Heathrow Airport is generally £1,820, our data shows the cheapest flight currently is £403. When looking at the most popular route, (Hong Kong Intl - London Heathrow), you can expect to pay £381 for that flight.

  • Can I find deals for flights from Hong Kong to Heathrow that include hotel bookings?

    Yes. In addition to deals on Hong Kong to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Hong Kong to Heathrow?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Hong Kong to Heathrow.

  • Can I find deals for business class flights from Hong Kong to Heathrow?

    Yes. Cheapflights offers flight deals from Hong Kong to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Hong Kong to London Heathrow Airport?

    Currently, February is the cheapest month in which you can book a flight from Hong Kong to London Heathrow Airport (average of £345). Flying from Hong Kong to London Heathrow Airport in September is currently the most expensive (average of £508). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Milton Keynes
Croydon
Slough
Hounslow
Northampton
Luton
Gatwick
Wembley
Ilford
Brentford
Colchester
Hayes
Watford
Crawley
Swindon
Bedford
Romford
Chichester
Eastbourne
Ipswich

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Hong Kong to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from Hong Kong to Heathrow

Discover the top 10 airlines that operate flights from Hong Kong to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 27 December 2025.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapest£282Average£418FlexibilityNo cancel feeOn-time79%
Search SWISS flights
LufthansaCheapest£342Average£515FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
China SouthernCheapest£393Average£561FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Air ChinaCheapest£428Average£630FlexibilityNo cancel feeOn-time67%
Search Air China flights
Turkish AirlinesCheapest£429Average£539FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
FinnairCheapest£430Average£549FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Thai AirwaysCheapest£466Average£610FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights
China EasternCheapest£469Average£538FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
KLMCheapest£488Average£508FlexibilityNo cancel feeOn-time75%
Search KLM flights
British AirwaysCheapest£541Average£670FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Hong Kong to Heathrow?

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Why should you use Cheapflights to find cheap flight tickets from Hong Kong to Heathrow?

Cheapflights helps you find that perfect flight to Heathrow from Hong Kong by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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Users can book flights with no change fees policies with our dedicated filters. Book flights from Hong Kong to Heathrow flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Hong Kong to Heathrow become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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