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Cheap flights from Hong Kong to London Heathrow Airport from $498

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 3/11. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — LHR
18 Oct — 25 Oct1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from Hong Kong Intl to London Heathrow are usually found in October or February, booked 84 days in advance, depart on a Thursday or Tuesday and return on a Saturday

Cheap 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 18 September 2025.

Round-trip from

$983

One-way from

$498

Popular in

January

Cheapest in

October

Average price

$1,452

Good round-trip deal

$1,394 or less

Good one-way deal

$916 or less
SWISS
  • SWISS
  • 5/11-26/11
  • 4 total stops
  • 49h 55m total
  • Hong Kong to London
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China Eastern
  • China Eastern
  • 3/11
  • 1 total stop
  • 29h 10m total
  • Hong Kong to London
Search Deals
High demand for flights, 0% potential price rise
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Cheapest flight prices on average. 1% potential price decrease ($30 potential savings vs. average return price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Hong Kong Intl to London Heathrow.
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Price to beat on a one-way flight from Hong Kong Intl to London Heathrow.
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Find flight deals from Hong Kong to Heathrow

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 18 September 2025.

Wed 5/1123:30HKG - LHR
2 stops25h 10mSWISS
Wed 26/1109:00LHR - HKG
2 stops24h 45mSWISS
Deal found 17/9$983
Mon 20/1023:15HKG - LHR
2 stops24h 20mSWISS
Tue 4/1120:05LHR - HKG
1 stop37h 40mSWISS
Deal found 17/9$989
Thu 16/1016:55HKG - LHR
2 stops33h 35mMultiple Airlines
Wed 22/1021:00LHR - HKG
1 stop18h 45mMultiple Airlines
Deal found 17/9$994
Wed 8/1023:15HKG - LHR
2 stops21h 25mSWISS
Mon 17/1109:00LHR - HKG
2 stops24h 45mSWISS
Deal found 17/9$995
Tue 4/1123:30HKG - LHR
2 stops25h 10mSWISS
Tue 11/1109:00LHR - HKG
2 stops24h 45mSWISS
Deal found 16/9$998
Tue 2/1221:45HKG - LHR
1 stop25h 30mFinnair
Thu 28/507:30LHR - HKG
1 stop27h 10mFinnair
Deal found 16/9$1,001
Wed 15/1023:15HKG - LHR
2 stops21h 25mSWISS
Mon 3/1120:05LHR - HKG
1 stop37h 40mSWISS
Deal found 16/9$1,003
Mon 27/1023:30HKG - LHR
1 stop16h 35mSWISS
Sun 9/1109:00LHR - HKG
2 stops24h 45mSWISS
Deal found 17/9$1,006
Tue 4/1123:30HKG - LHR
2 stops25h 10mSWISS
Sat 31/114:25LHR - HKG
2 stops19h 20mSWISS
Deal found 17/9$1,010
Tue 11/1123:30HKG - LHR
2 stops25h 10mSWISS
Sun 30/1109:00LHR - HKG
2 stops24h 45mSWISS
Deal found 17/9$1,015
Wed 24/1223:25HKG - LHR
1 stop17h 35mKLM
Fri 9/120:25LHR - HKG
1 stop35h 55mKLM
Deal found 17/9$1,025

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 647,157 searches. Data last updated 18 September 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 26/2

21:45-15:15

1 stop25h 30m

London Heathrow

Fri 6/3

10:20-19:05

1 stop24h 45m

$1,003

Hong KongLondon

HKG - LHR

HKGLHR

Hong Kong Intl

Wed 12/11

23:30-16:40

2 stops25h 10m

London Heathrow

Wed 19/11

14:25-17:45

2 stops19h 20m

$1,033

Hong KongLondon

HKG - LHR

HKGLHR

Hong Kong Intl

Thu 25/12

22:45-05:35

Nonstop14h 50m

London Heathrow

Sat 10/1

17:55-14:50

Nonstop12h 55m

$1,112

Hong KongLondon

HKG - LHR

HKGLHR

Hong Kong Intl

Tue 14/10

23:00-06:30

Nonstop14h 30m

London Heathrow

Fri 14/11

17:55-14:50

Nonstop12h 55m

$1,117

Hong KongLondon

HKG - LHR

HKGLHR

Hong Kong Intl

Tue 7/10

23:00-06:30

Nonstop14h 30m

London Heathrow

Thu 16/10

19:25-21:45

1 stop19h 20m

$1,150

Hong KongLondon

HKG - LHR

HKGLHR

Hong Kong Intl

Wed 5/11

00:25-12:10

1 stop19h 45m

London Heathrow

Sun 23/11

17:55-14:50

Nonstop12h 55m

$1,172

Hong KongLondon

HKG - LHR

HKGLHR

Hong Kong Intl

Thu 6/11

22:45-05:35

Nonstop14h 50m

London Heathrow

Fri 14/11

21:30-21:40

1 stop16h 10m

$1,196

Hong KongLondon

HKG - LHR

HKGLHR

Hong Kong Intl

Tue 11/11

22:45-05:35

Nonstop14h 50m

London Heathrow

Fri 21/11

17:55-14:50

Nonstop12h 55m

$1,207

Hong KongLondon

HKG - LHR

HKGLHR

Hong Kong Intl

Tue 14/10

23:00-06:30

Nonstop14h 30m

London Heathrow

Mon 27/10

21:30-21:40

1 stop16h 10m

$1,208

Hong KongLondon

HKG - LHR

HKGLHR

Hong Kong Intl

Tue 16/12

19:35-14:30

1 stop26h 55m

London Heathrow

Sun 4/1

13:55-08:30

1 stop34h 35m

$1,231

Flights are sorted by cheapest return flights first.

Deals found on 17/9

Showing 1-10 of 21 results
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2
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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 12 September 2025.

The best time to book flights from Hong Kong to London Heathrow Airport is 84 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, October is the cheapest month in which you can book a flight from Hong Kong to London Heathrow Airport (average of $1,037). Flying from Hong Kong to London Heathrow Airport in December is currently the most expensive (average of $1,667). 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 18 September 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 35% on flights from Hong Kong to London Heathrow Airport by exploring options for tickets in the afternoon.

How much does it cost for a return flight from Hong Kong to London Heathrow Airport?

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 18 September 2025.
Read through reviews of airlines operating flights from Hong Kong to London Heathrow Airport, such as British Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
British Airways
6.7
Okay
7,367 reviews
Check prices

Boarding

6.9

Overall

6.7

Comfort

6.7

Crew

7.6

Entertainment

6.4

Food

6.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

IAD - LHR

The plane had to load and unload passengers not through a jet way but out on the tarmac at Heathrow. The steps were steep. We weren't expecting to have to carry our luggage up and down stairs.
British Airways
6.7
Okay
7,367 reviews
British Airways
6.7
Okay
7,367 reviews
Check prices

Boarding

6.9

Overall

6.7

Comfort

6.7

Crew

7.6

Entertainment

6.4

Food

6.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

IAD - LHR

The plane had to load and unload passengers not through a jet way but out on the tarmac at Heathrow. The steps were steep. We weren't expecting to have to carry our luggage up and down stairs.

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 1 airline has flights from the Hong Kong airport to London Heathrow. It is only a 26.0 km journey to Hong Kong Intl (HKG) from Hong Kong’s city centre.

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

    A quick flight from Hong Kong to London Heathrow Airport can take about 14h 50m. Finnair provides one of the quickest options available for as low as $1,112. Airlines will cover a distance of 9624 km. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from Hong Kong to London Heathrow Airport round-trip?

    Our cheapest airline available from Hong Kong to London Heathrow Airport is British Airways. Our recent data shows that you can find tickets from as low as $1,172 on this airline. You may be able to fly from Hong Kong to London Heathrow Airport for 8% less than the average price by searching for this airline.

  • 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 Lufthansa, which is currently one of the cheapest options available, starting at $586. SWISS flights start at $624 while deals on British Airways start at $628 one-way.

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

    Before booking your flight to London Heathrow Airport from Hong Kong, have a look at the most reliable airlines to get you to your destination on time: Iberia (70%), British Airways (70%), Cathay Pacific( 60%).

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

    The cheapest flight price from Hong Kong to London Heathrow Airport is $837. On average you can expect to pay $1,155. The most popular route, (Hong Kong Intl - London Heathrow), can usually be booked for $880.

  • 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, October is the cheapest month in which you can book a flight from Hong Kong to London Heathrow Airport (average of $1,037). Flying from Hong Kong to London Heathrow Airport in December is currently the most expensive (average of $1,667). 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
Hounslow
Salisbury
Horsham
Southall
Chatham
Dover
Dorking
Braintree
Chertsey

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top airline flying from Hong Kong to Heathrow

Discover the top airline 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 647,157 searches. Data last updated 18 September 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$1,172Average$1,461FlexibilityNo 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?

When you search for this flight from Hong Kong to Heathrow, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Heathrow from Hong Kong.

Can Cheapflights find flights from Hong Kong to Heathrow with no change fees?

Need flexible booking options for your flight to Heathrow from Hong Kong? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Heathrow from Hong Kong today and book when prices fit your budget.

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