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Cheap flights from Hong Kong to London Heathrow Airport from HK$2,697

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 15-8. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — LHR
17 Aug — 24 Aug1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Hong Kong Intl to London Heathrow are usually found in November or March, booked 70 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 18 July 2026.

Wed 5-822:20
HKG
-
LHR
1 stop16h 20m
KLM
Fri 21-814:45
LHR
-
HKG
2 stops19h 55m
KLM
Deal found 16-7HK$5,653
Tue 4-822:20
HKG
-
LHR
1 stop19h 25m
KLM
Fri 4-911:45
LHR
-
HKG
2 stops22h 55m
KLM
Deal found 16-7HK$5,661
Tue 4-823:05
HKG
-
LHR
2 stops24h 30m
SWISS
Wed 19-812:10
LHR
-
HKG
1 stop21h 25m
SWISS
Deal found 16-7HK$5,668
Wed 12-820:10
HKG
-
LHR
1 stop17h 50m
Etihad Airways
Wed 2-921:45
LHR
-
HKG
1 stop28h 15m
Etihad Airways
Deal found 14-7HK$5,676
Mon 10-820:10
HKG
-
LHR
1 stop25h 55m
Multiple Airlines
Mon 31-822:40
LHR
-
HKG
1 stop15h 25m
Multiple Airlines
Deal found 16-7HK$5,684
Tue 4-822:20
HKG
-
LHR
1 stop22h 30m
KLM
Fri 21-814:45
LHR
-
HKG
2 stops19h 55m
KLM
Deal found 17-7HK$5,692
Thu 6-816:05
HKG
-
LHR
2 stops34h 25m
Multiple Airlines
Mon 24-821:00
LHR
-
HKG
1 stop18h 45m
Multiple Airlines
Deal found 13-7HK$5,700
Tue 4-823:05
HKG
-
LHR
1 stop15h 50m
Multiple Airlines
Fri 21-815:30
LHR
-
HKG
1 stop16h 50m
Multiple Airlines
Deal found 15-7HK$5,708
Mon 3-823:05
HKG
-
LHR
2 stops24h 30m
SWISS
Wed 19-814:25
LHR
-
HKG
2 stops19h 10m
SWISS
Deal found 14-7HK$5,715
Thu 6-814:40
HKG
-
LHR
1 stop22h 40m
Multiple Airlines
Wed 19-820:25
LHR
-
HKG
1 stop15h 35m
Multiple Airlines
Deal found 16-7HK$5,723
Thu 30-720:10
HKG
-
LHR
1 stop29h 35m
Etihad Airways
Fri 21-809:30
LHR
-
HKG
1 stop16h 30m
Etihad Airways
Deal found 13-7HK$5,731
Fri 7-807:30
HKG
-
LHR
1 stop18h 10m
Multiple Airlines
Thu 20-822:40
LHR
-
HKG
1 stop15h 25m
Multiple Airlines
Deal found 16-7HK$5,739

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 18 July 2026.

Round-trip from

HK$5,653

One-way from

HK$2,697

Popular in

September

Cheapest in

November

Average price

HK$7,950

Good round-trip deal

HK$8,092 or less

Good one-way deal

HK$5,397 or less
KLM
  • KLM
  • 5-8-21-8
  • 3 total stops
  • 36h 15m total
  • Hong Kong to London
Search Deals
China Southern
  • China Southern
  • 15-8
  • 1 total stop
  • 16h 35m total
  • Hong Kong to London
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (HK$1,574 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (HK$661 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from Hong Kong Intl to London Heathrow.
Search Deals
Price to beat on a one-way flight from Hong Kong Intl to London Heathrow.
Search Deals

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 70,647 searches. Data last updated 18 July 2026.
Use the filters below to find and compare flights from Hong Kong to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Departure

Return

Price

Cheapest return flight

Hong KongLondon

HKG - LHR

HKGLHR

Hong Kong Intl

Mon 7-9

23:05-16:35

2 stops24h 30m

London Heathrow

Mon 28-9

18:40-16:35

1 stop14h 55m

HK$5,684

Hong KongLondon

HKG - LHR

HKGLHR

Hong Kong Intl

Tue 4-8

22:20-13:50

1 stop22h 30m

London Heathrow

Fri 21-8

14:45-17:40

2 stops19h 55m

HK$5,692

Hong KongLondon

HKG - LHR

HKGLHR

Hong Kong Intl

Tue 13-10

23:05-07:55

1 stop15h 50m

London Heathrow

Tue 20-10

14:25-16:35

2 stops19h 10m

HK$6,021

Hong KongLondon

HKG - LHR

HKGLHR

Hong Kong Intl

Mon 3-8

23:05-16:35

2 stops24h 30m

London Heathrow

Thu 27-8

14:25-16:35

2 stops19h 10m

HK$6,115

Hong KongLondon

HKG - LHR

HKGLHR

Hong Kong Intl

Tue 18-8

23:05-07:55

1 stop15h 50m

London Heathrow

Sun 23-8

13:35-15:20

2 stops18h 45m

HK$6,201

Hong KongLondon

HKG - LHR

HKGLHR

Hong Kong Intl

Fri 18-9

23:05-16:35

2 stops24h 30m

London Heathrow

Tue 29-9

20:05-16:35

1 stop37h 30m

HK$6,358

Hong KongLondon

HKG - LHR

HKGLHR

Hong Kong Intl

Thu 6-8

23:05-16:35

2 stops24h 30m

London Heathrow

Sun 16-8

08:55-16:35

2 stops24h 40m

HK$6,531

Hong KongLondon

HKG - LHR

HKGLHR

Hong Kong Intl

Thu 13-8

23:05-16:35

2 stops24h 30m

London Heathrow

Thu 20-8

14:25-16:35

2 stops19h 10m

HK$6,641

Hong KongLondon

HKG - LHR

HKGLHR

Hong Kong Intl

Mon 21-9

22:15-20:40

2 stops29h 25m

London Heathrow

Mon 5-10

07:30-15:05

2 stops24h 35m

HK$7,236
Fastest return journey

Hong KongLondon

HKG - LHR

HKGLHR

Hong Kong Intl

Mon 14-9

22:45-06:15

Nonstop14h 30m

London Heathrow

Fri 18-9

19:20-15:25

Nonstop13h 05m

HK$7,628

Flights are sorted by cheapest return flights first.

Deals found on 16-7

Showing 1-10 of 24 resultsSorted by cheapest first
1
2
3

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?

To ensure you get the cheapest price possible for a flight from Hong Kong to London Heathrow Airport, you should look to book at least 69 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, November is the cheapest month in which you can book a flight from Hong Kong to London Heathrow Airport (average of HK$6,311). Flying from Hong Kong to London Heathrow Airport in September is currently the most expensive (average of HK$8,209). 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 July 2026.

When flying from Hong Kong to London Heathrow Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 July 2026.
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.
Cathay Pacific
7.6
Good
1,415 reviews
Check prices

Boarding

7.9

Crew

8.1

Entertainment

7.8

Food

7.3

Comfort

7.6

Overall

7.6

Reviews

1 / 20
4.0
Okay

Anonymous,Jan 2026

HKG - CTS

I went to sleep without dinner, woke up about 4 hours before landing. I asked for breakfast, waited for an hour, nothing, I asked again, still nothing after 15 minutes. I then asked for coffee, when the coffee came after half an hour, it was cold. Crew manager apologised.
Cathay Pacific
7.6
Good
1,415 reviews
Cathay Pacific
7.6
Good
1,415 reviews
Check prices

Boarding

7.9

Crew

8.1

Entertainment

7.8

Food

7.3

Comfort

7.6

Overall

7.6

Reviews

1 / 20
4.0
Okay

Anonymous,Jan 2026

HKG - CTS

I went to sleep without dinner, woke up about 4 hours before landing. I asked for breakfast, waited for an hour, nothing, I asked again, still nothing after 15 minutes. I then asked for coffee, when the coffee came after half an hour, it was cold. Crew manager apologised.
SWISS
7.5
Good
2,010 reviews
Cathay Pacific
7.6
Good
1,415 reviews
Check prices

Boarding

7.9

Crew

8.1

Entertainment

7.8

Food

7.3

Comfort

7.6

Overall

7.6

Reviews

1 / 20
4.0
Okay

Anonymous,Jan 2026

HKG - CTS

I went to sleep without dinner, woke up about 4 hours before landing. I asked for breakfast, waited for an hour, nothing, I asked again, still nothing after 15 minutes. I then asked for coffee, when the coffee came after half an hour, it was cold. Crew manager apologised.
Air China
7.4
Good
156 reviews
Cathay Pacific
7.6
Good
1,415 reviews
Check prices

Boarding

7.9

Crew

8.1

Entertainment

7.8

Food

7.3

Comfort

7.6

Overall

7.6

Reviews

1 / 20
4.0
Okay

Anonymous,Jan 2026

HKG - CTS

I went to sleep without dinner, woke up about 4 hours before landing. I asked for breakfast, waited for an hour, nothing, I asked again, still nothing after 15 minutes. I then asked for coffee, when the coffee came after half an hour, it was cold. Crew manager apologised.
China Eastern
7.3
Good
228 reviews
Cathay Pacific
7.6
Good
1,415 reviews
Check prices

Boarding

7.9

Crew

8.1

Entertainment

7.8

Food

7.3

Comfort

7.6

Overall

7.6

Reviews

1 / 20
4.0
Okay

Anonymous,Jan 2026

HKG - CTS

I went to sleep without dinner, woke up about 4 hours before landing. I asked for breakfast, waited for an hour, nothing, I asked again, still nothing after 15 minutes. I then asked for coffee, when the coffee came after half an hour, it was cold. Crew manager apologised.
British Airways
6.7
Okay
8,122 reviews
Cathay Pacific
7.6
Good
1,415 reviews
Check prices

Boarding

7.9

Crew

8.1

Entertainment

7.8

Food

7.3

Comfort

7.6

Overall

7.6

Reviews

1 / 20
4.0
Okay

Anonymous,Jan 2026

HKG - CTS

I went to sleep without dinner, woke up about 4 hours before landing. I asked for breakfast, waited for an hour, nothing, I asked again, still nothing after 15 minutes. I then asked for coffee, when the coffee came after half an hour, it was cold. Crew manager apologised.

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), located 26.0 km from the city centre, is the airport you fly out of when you book flights from Hong Kong to London Heathrow. 14 airlines have flights from Hong Kong Intl to London Heathrow on a regular basis. Booking flights from Hong Kong Intl to London Heathrow should not be difficult; the airport handles an average of 6 outbound flights to London Heathrow per day.

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

    There are many flights that can get you from Hong Kong to London Heathrow Airport in 22h 30m. Fly via SWISS or KLM to get the fastest option. There are 9624 km 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?

    Flying on China Southern is currently your cheapest option to London Heathrow Airport, with prices starting at HK$3,683. Additional round-trip tickets that might be worth considering are offered by Air France and China Eastern, with the lowest prices starting at HK$4,177 and HK$4,262, respectively. You may be able to fly from Hong Kong to London Heathrow Airport for 49% less than the average price by searching for these airlines.

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

    The cheapest airline one-way is Hainan Airlines, with whom users have recently found tickets for as low as HK$1,635. However, be on the lookout for offers from China Southern and China Eastern, as they are both options that can get you from Hong Kong to London Heathrow Airport for a low price.

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

    No one likes to see their flight delayed. When booking a flight from Hong Kong to London Heathrow Airport consider choosing Iberia(97%), British Airways(97%) or Cathay Pacific(66%), as they are the most reliable in getting you off to your destination on time.

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

    On average you can expect to pay HK$10,624 for a flight from Hong Kong to London Heathrow Airport. The cheapest flight overall is HK$5,050 while the most popular route, (Hong Kong Intl - London Heathrow) is currently priced at HK$4,406.

  • Where are the most common stopover locations when flying from Hong Kong to London Heathrow Airport?

    Most of the time, Hong Kong to London Heathrow Airport flights that have stopovers will stop in Zurich.

  • Where are the least popular stopover locations for Hong Kong to London Heathrow Airport flights?

    The least popular stopover on flights from Hong Kong to London Heathrow Airport is Doha.

  • 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, November is the cheapest month in which you can book a flight from Hong Kong to London Heathrow Airport (average of HK$6,311). Flying from Hong Kong to London Heathrow Airport in September is currently the most expensive (average of HK$8,209). 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
Salisbury
Kingston upon Thames
Royal Tunbridge Wells
Slough
Buckingham
Horley
Richmond
Hatfield
Dartford
Guildford
Watford
Northampton
Ilford
Croydon
Hounslow
Gatwick
Southend-on-Sea
Wembley
Bishop's Stortford
Southall

Browse thousands of different options on Cheapflights for your next trip

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Fly from Hong Kong to Heathrow on these airlines

Choose from the following airlines for your flight from Hong Kong to Heathrow. Flights are based on user searches made on Cheapflights and were last updated on 18 July 2026.
Cathay Pacific flights from Hong Kong Intl to London Heathrow
British Airways flights from Hong Kong Intl to London Heathrow
Lufthansa flights from Hong Kong Intl to London Heathrow

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 70,647 searches. Data last updated 18 July 2026.
AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapestHK$3,683AverageHK$5,163FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Air FranceCheapestHK$4,177AverageHK$5,244FlexibilityNo cancel feeOn-time77%
Search Air France flights
China EasternCheapestHK$4,262AverageHK$6,610FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
KLMCheapestHK$4,269AverageHK$7,031FlexibilityNo cancel feeOn-time75%
Search KLM flights
SWISSCheapestHK$4,340AverageHK$6,354FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Etihad AirwaysCheapestHK$4,381AverageHK$5,685FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Air ChinaCheapestHK$4,388AverageHK$6,597FlexibilityNo cancel feeOn-time67%
Search Air China flights
LufthansaCheapestHK$4,511AverageHK$6,687FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
FinnairCheapestHK$4,568AverageHK$6,397FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Singapore AirlinesCheapestHK$4,760AverageHK$6,700FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights helps you search for flights from Hong Kong to Heathrow via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Hong Kong to Heathrow for you. Better yet — we are completely free to use.

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

Yes! Cheapflights helps users easily find flights from Hong Kong to Heathrow with no change fees.

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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