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Cheap flights from Hong Kong to London Heathrow Airport from HK$1,813

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 11-3. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — LHR
25 Mar — 1 Apr1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Hong Kong to London Heathrow are usually found in March or October, booked 36 days in advance, depart on a Monday or Thursday and return on a Wednesday

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 23 February 2026.

Fri 15-508:30
HKG
-
LHR
1 stop16h 35m
China Southern
Sat 6-621:00
LHR
-
HKG
1 stop18h 45m
China Southern
Deal found 19-2HK$4,298
Sun 8-308:30
HKG
-
LHR
1 stop18h 05m
China Southern
Thu 7-521:00
LHR
-
HKG
1 stop18h 45m
China Southern
Deal found 21-2HK$4,306
Mon 9-308:30
HKG
-
LHR
1 stop18h 05m
China Southern
Tue 21-421:00
LHR
-
HKG
1 stop18h 45m
China Southern
Deal found 21-2HK$4,313
Thu 12-314:05
HKG
-
LHR
1 stop35h 50m
China Southern
Sun 15-321:30
LHR
-
HKG
1 stop31h 20m
China Southern
Deal found 21-2HK$4,321
Tue 10-308:30
HKG
-
LHR
1 stop18h 05m
China Southern
Fri 1-521:00
LHR
-
HKG
1 stop32h 20m
China Southern
Deal found 21-2HK$4,329
Mon 4-517:30
HKG
-
LHR
1 stop33h 45m
Air China
Mon 15-622:40
LHR
-
HKG
1 stop15h 25m
Air China
Deal found 18-2HK$4,337
Mon 11-508:30
HKG
-
LHR
1 stop16h 35m
China Southern
Fri 29-521:00
LHR
-
HKG
1 stop18h 45m
China Southern
Deal found 21-2HK$4,345
Tue 12-508:30
HKG
-
LHR
1 stop16h 35m
China Southern
Thu 4-621:00
LHR
-
HKG
1 stop18h 45m
China Southern
Deal found 20-2HK$4,352
Wed 11-308:30
HKG
-
LHR
1 stop18h 05m
China Southern
Tue 14-421:00
LHR
-
HKG
1 stop18h 45m
China Southern
Deal found 21-2HK$4,360
Sat 14-308:30
HKG
-
LHR
1 stop18h 05m
China Southern
Thu 16-421:00
LHR
-
HKG
1 stop18h 45m
China Southern
Deal found 21-2HK$4,368
Fri 15-508:30
HKG
-
LHR
1 stop16h 35m
China Southern
Fri 5-621:00
LHR
-
HKG
1 stop18h 45m
China Southern
Deal found 20-2HK$4,376
Tue 10-308:30
HKG
-
LHR
1 stop18h 05m
China Southern
Wed 6-521:00
LHR
-
HKG
1 stop18h 45m
China Southern
Deal found 21-2HK$4,384

Find flight deals from Hong Kong to Heathrow

Keep the following information in mind while searching for Hong Kong to Heathrow flight deals. Data was last updated 23 February 2026.

Round-trip from

HK$4,298

One-way from

HK$1,813

Popular in

September

Cheapest in

March

Average price

HK$6,712

Good round-trip deal

HK$7,595 or less

Good one-way deal

HK$4,555 or less
China Southern
  • China Southern
  • 15-5-6-6
  • 2 total stops
  • 35h 20m total
  • Hong Kong to London
Search Deals
Air China
  • Air China
  • 11-3
  • 1 total stop
  • 37h 55m total
  • Hong Kong to London
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (HK$1,995 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (HK$600 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals
Price to beat on a round-trip flight from Hong Kong to London Heathrow.
Search Deals
Price to beat on a one-way flight from Hong Kong 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 23 February 2026.
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

Departure

Return

Price

Hong KongLondon

HKG - LHR

HKGLHR

Hong Kong Intl

Wed 3-6

07:30-18:40

1 stop18h 10m

London Heathrow

Sun 14-6

21:20-23:45

1 stop19h 25m

HK$4,423

Hong KongLondon

HKG - LHR

HKGLHR

Hong Kong Intl

Wed 22-4

20:55-17:05

1 stop27h 10m

London Heathrow

Thu 30-4

07:30-17:40

1 stop27h 10m

HK$4,782

Hong KongLondon

HKG - LHR

HKGLHR

Hong Kong Intl

Tue 28-4

20:55-20:40

1 stop30h 45m

London Heathrow

Mon 4-5

10:20-17:40

1 stop24h 20m

HK$4,798

Hong KongLondon

HKG - LHR

HKGLHR

Hong Kong Intl

Sat 16-5

17:05-18:40

1 stop32h 35m

London Heathrow

Wed 10-6

21:20-23:45

1 stop19h 25m

HK$4,821

Hong KongLondon

HKG - LHR

HKGLHR

Hong Kong Intl

Thu 5-3

19:35-06:40

1 stop19h 05m

London Heathrow

Sat 14-3

20:55-08:30

1 stop27h 35m

HK$5,056

Hong KongLondon

HKG - LHR

HKGLHR

Hong Kong Intl

Wed 4-3

07:40-17:30

1 stop17h 50m

London Heathrow

Sat 14-3

21:00-21:05

1 stop16h 05m

HK$5,087

Hong KongLondon

HKG - LHR

HKGLHR

Hong Kong Intl

Thu 4-6

20:55-20:40

1 stop30h 45m

London Heathrow

Fri 18-9

07:30-17:40

1 stop27h 10m

HK$5,228

Hong KongLondon

HKG - LHR

HKGLHR

Hong Kong Intl

Wed 8-4

20:55-17:05

1 stop27h 10m

London Heathrow

Wed 15-4

07:30-17:40

1 stop27h 10m

HK$5,228

Hong KongLondon

HKG - LHR

HKGLHR

Hong Kong Intl

Sat 4-4

07:30-18:40

1 stop18h 10m

London Heathrow

Wed 22-4

21:20-23:45

1 stop19h 25m

HK$6,111

Hong KongLondon

HKG - LHR

HKGLHR

Hong Kong Intl

Mon 29-6

20:55-17:05

1 stop27h 10m

London Heathrow

Mon 27-7

07:30-17:40

1 stop27h 10m

HK$6,267

Flights are sorted by cheapest return flights first.

Deals found on 19-2

Showing 1-10 of 23 results
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?

Use this chart to determine the optimal time to book a return flight from Hong Kong to Heathrow. Price data was last updated on 20 February 2026.

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 36 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, May is the cheapest month in which you can book a flight from Hong Kong to London Heathrow Airport (average of HK$3,680). Flying from Hong Kong to London Heathrow Airport in September is currently the most expensive (average of HK$5,360). 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 HK 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 23 February 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.

Weekly flight availability from Hong Kong to London Heathrow Airport

Explore weekly flight availability from Hong Kong to Heathrow. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 23 February 2026.

The most flights from HK0 to LHR are scheduled on a Tuesday (7 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (5 on average).

How often are flights from Hong Kong to London delayed?

About 19% of weekly flights between Hong Kong and London have experienced delays in the past year, with the average delay time being 136 minutes.

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

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.

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

Thursday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.

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

Over the past year, British Airways have had the lowest number of delays on this route, with just 7% of flights being delayed.

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 23 February 2026.
Read reviews from past customers who have flown with Cathay Pacific, SWISS, andAir China from Hong Kong to London Heathrow Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Cathay Pacific
7.6
Good
1,178 reviews
Check prices

Crew

8.1

Overall

7.6

Boarding

7.9

Entertainment

7.8

Comfort

7.6

Food

7.3

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
1,178 reviews
Cathay Pacific
7.6
Good
1,178 reviews
Check prices

Crew

8.1

Overall

7.6

Boarding

7.9

Entertainment

7.8

Comfort

7.6

Food

7.3

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
7.6
Good
1,880 reviews
Cathay Pacific
7.6
Good
1,178 reviews
Check prices

Crew

8.1

Overall

7.6

Boarding

7.9

Entertainment

7.8

Comfort

7.6

Food

7.3

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
7.2
Good
139 reviews
Cathay Pacific
7.6
Good
1,178 reviews
Check prices

Crew

8.1

Overall

7.6

Boarding

7.9

Entertainment

7.8

Comfort

7.6

Food

7.3

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.
Lufthansa
6.8
Okay
7,808 reviews
Cathay Pacific
7.6
Good
1,178 reviews
Check prices

Crew

8.1

Overall

7.6

Boarding

7.9

Entertainment

7.8

Comfort

7.6

Food

7.3

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
7,761 reviews
Cathay Pacific
7.6
Good
1,178 reviews
Check prices

Crew

8.1

Overall

7.6

Boarding

7.9

Entertainment

7.8

Comfort

7.6

Food

7.3

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.

  • 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 18h 10m. Fly via China Eastern, Finnair, or Etihad Airways 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 SWISS is currently your cheapest option to London Heathrow Airport, with prices starting at HK$2,711. Additional round-trip tickets that might be worth considering are offered by Lufthansa and China Southern, with the lowest prices starting at HK$3,123 and HK$3,671, respectively. You may be able to fly from Hong Kong to London Heathrow Airport for 60% 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$1,630. However, be on the lookout for offers from China Southern and Etihad Airways, 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?

    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 (88%), British Airways (88%), Cathay Pacific( 67%).

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

    Looking for the cheapest flight from Hong Kong to London Heathrow Airport? While on average our users pay HK$24,317, our data indicates the cheapest price to be HK$4,394. The most popular route (Hong Kong Intl - London Heathrow), is priced around HK$4,173.

  • 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, May is the cheapest month in which you can book a flight from Hong Kong to London Heathrow Airport (average of HK$3,680). Flying from Hong Kong to London Heathrow Airport in September is currently the most expensive (average of HK$5,360). 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
Kingston upon Thames
Slough
Buckingham
Richmond
Hatfield
Guildford
Northampton
Watford
Swindon
Croydon
Gatwick
Newmarket
Hounslow
Southall
Royal Tunbridge Wells
Wembley
Bishop's Stortford

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.

Alternative routes for Hong Kong to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
Hong Kong to Heathrow flights
Hong Kong to Gatwick flights
Hong Kong to Stansted flights
Hong Kong to London City flights
Hong Kong to Luton flights

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 23 February 2026.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapestHK$2,711AverageHK$5,505FlexibilityNo cancel feeOn-time79%
Search SWISS flights
LufthansaCheapestHK$3,123AverageHK$5,537FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
China SouthernCheapestHK$3,671AverageHK$5,228FlexibilityNo cancel feeOn-time69%
Search China Southern flights
China EasternCheapestHK$4,132AverageHK$5,844FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Air FranceCheapestHK$4,163AverageHK$5,235FlexibilityNo cancel feeOn-time77%
Search Air France flights
KLMCheapestHK$4,254AverageHK$5,678FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air ChinaCheapestHK$4,375AverageHK$6,372FlexibilityNo cancel feeOn-time67%
Search Air China flights
Etihad AirwaysCheapestHK$4,472AverageHK$5,209FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
FinnairCheapestHK$4,583AverageHK$6,032FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Turkish AirlinesCheapestHK$4,747AverageHK$6,076FlexibilityNo cancel feeOn-time77%
Search Turkish 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?

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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!

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

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?

Not ready to book yet? You can track prices for flights from Hong Kong to Heathrow on Cheapflights with our Price Alert feature and get notified when better prices are available.

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