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Cheap flights from Hong Kong to London from HK$2,704

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 20-7. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — LON
15 Aug — 22 Aug1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Hong Kong to London are usually found in November or May, booked 54 days in advance, depart on a Monday or Tuesday and return on a Sunday

Cheap flight deals from Hong Kong to London

Enter your travel dates to find the best prices.

Cheapest flights from Hong Kong to London
Explore the most affordable flight options available from Hong Kong to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 July 2026.

Tue 11-823:05
HKG
-
LGW
1 stop16h 20m
SWISS
Fri 30-418:35
LGW
-
HKG
1 stop15h 00m
SWISS
Deal found 15-7HK$5,651
Thu 6-822:20
HKG
-
LHR
1 stop30h 05m
Air France
Wed 19-806:15
LHR
-
HKG
1 stop28h 25m
Air France
Deal found 15-7HK$5,659
Fri 23-1020:10
HKG
-
LTN
2 stops23h 10m
Multiple Airlines
Sun 1-1115:05
LTN
-
HKG
2 stops33h 25m
Multiple Airlines
Deal found 13-7HK$5,667
Wed 12-820:10
HKG
-
LHR
1 stop17h 50m
Etihad Airways
Wed 2-921:45
LHR
-
HKG
1 stop28h 15m
Etihad Airways
Deal found 15-7HK$5,667
Sun 20-920:10
HKG
-
LTN
2 stops29h 05m
Multiple Airlines
Wed 30-916:30
LTN
-
HKG
2 stops33h 30m
Multiple Airlines
Deal found 12-7HK$5,675
Thu 13-813:50
HKG
-
STN
2 stops28h 20m
Multiple Airlines
Fri 21-807:15
STN
-
HKG
2 stops25h 15m
Multiple Airlines
Deal found 11-7HK$5,675
Mon 17-822:15
HKG
-
LGW
2 stops27h 55m
Multiple Airlines
Sat 29-822:00
LGW
-
HKG
1 stop16h 05m
Multiple Airlines
Deal found 12-7HK$5,675
Thu 6-823:05
HKG
-
LCY
1 stop16h 35m
SWISS
Wed 19-818:00
LCY
-
HKG
1 stop15h 35m
SWISS
Deal found 13-7HK$5,675
Wed 5-822:20
HKG
-
LHR
1 stop16h 35m
Air France
Mon 10-815:20
LHR
-
HKG
1 stop19h 20m
Air France
Deal found 12-7HK$5,683
Fri 24-719:50
HKG
-
STN
3 stops34h 05m
Multiple Airlines
Wed 19-810:45
STN
-
HKG
3 stops28h 00m
Multiple Airlines
Deal found 13-7HK$5,683
Tue 4-822:20
HKG
-
LGW
1 stop18h 05m
Air France
Tue 18-817:00
LGW
-
HKG
1 stop17h 40m
Air France
Deal found 12-7HK$5,683
Wed 19-823:05
HKG
-
LCY
1 stop16h 35m
SWISS
Tue 17-1117:45
LCY
-
HKG
1 stop15h 50m
SWISS
Deal found 15-7HK$5,683

Find flight deals from Hong Kong to London

Keep the following information in mind while searching for Hong Kong to London flight deals. Data was last updated 16 July 2026.

Round-trip from

HK$5,651

One-way from

HK$2,704

Popular in

September

Cheapest in

November

Average price

HK$7,172

Good round-trip deal

HK$8,090 or less

Good one-way deal

HK$5,396 or less
SWISS
  • SWISS
  • 11-8-30-4
  • 2 total stops
  • 31h 20m total
  • Hong Kong to London
Search Deals
Air China
  • Air China
  • 20-7
  • 1 total stop
  • 36h 50m total
  • Hong Kong to London
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (HK$3,082 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (HK$743 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 to London (LON).
Search Deals
Price to beat on a one-way flight from Hong Kong to London (LON).
Search Deals

Cheapflights Fare Finder

 
Customise 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, Cheapflights users made 70,647 searches. Data last updated 16 July 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

Departure

Return

Price

Cheapest return flight
Fastest return journey

Hong KongLondon

HKG - LGW

HKGLGW

Hong Kong Intl

Mon 24-8

23:05-08:25

1 stop16h 20m

London Gatwick

Fri 29-1

18:40-17:35

1 stop14h 55m

HK$5,753

Hong KongLondon

HKG - LTN

HKGLTN

Hong Kong Intl

Wed 12-8

20:10-14:25

2 stops25h 15m

London Luton

Sun 16-8

16:25-09:00

2 stops33h 35m

HK$5,785

Hong KongLondon

HKG - LHR

HKGLHR

Hong Kong Intl

Mon 3-8

23:05-16:35

2 stops24h 30m

London Heathrow

Mon 17-8

18:40-16:35

1 stop14h 55m

HK$5,871

Hong KongLondon

HKG - LHR

HKGLHR

Hong Kong Intl

Mon 3-8

23:05-16:35

2 stops24h 30m

London Heathrow

Fri 21-8

17:15-16:35

1 stop16h 20m

HK$5,871

Hong KongLondon

HKG - LHR

HKGLHR

Hong Kong Intl

Thu 6-8

23:05-16:35

2 stops24h 30m

London Heathrow

Sun 16-8

20:05-16:35

1 stop37h 30m

HK$5,879

Hong KongLondon

HKG - LGW

HKGLGW

Hong Kong Intl

Thu 6-8

23:05-08:25

1 stop16h 20m

London Gatwick

Sun 27-9

18:35-16:35

1 stop15h 00m

HK$5,957

Hong KongLondon

HKG - LCY

HKGLCY

Hong Kong Intl

Tue 4-8

23:05-12:35

1 stop20h 30m

London City

Tue 18-8

09:15-15:20

1 stop23h 05m

HK$5,973

Hong KongLondon

HKG - LHR

HKGLHR

Hong Kong Intl

Sun 16-8

23:05-07:55

1 stop15h 50m

London Heathrow

Mon 31-8

08:55-16:35

2 stops24h 40m

HK$5,981

Hong KongLondon

HKG - LGW

HKGLGW

Hong Kong Intl

Mon 17-8

13:55-06:40

1 stop23h 45m

London Gatwick

Fri 6-11

10:30-12:40

1 stop18h 10m

HK$6,004

Hong KongLondon

HKG - LGW

HKGLGW

Hong Kong Intl

Thu 12-11

17:40-06:30

1 stop20h 50m

London Gatwick

Mon 16-11

10:30-11:30

1 stop17h 00m

HK$6,004

Flights are sorted by cheapest return flights first.

Deals found on 13-7

Showing 1-10 of 60 resultsSorted by cheapest first
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6

Best time to book a flight from Hong Kong to London

Have a flexible travel schedule? Discover the best time to fly to London 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

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

Currently, March is the cheapest month in which you can book a flight from Hong Kong to London (average of HK$6,427). Flying from Hong Kong to London in November is currently the most expensive (average of HK$19,055). 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 LON?

Find hourly flight availability from Hong Kong to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 16 July 2026.

When flying from Hong Kong to London, 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

Explore weekly flight availability from Hong Kong to London. 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 16 July 2026.

The most flights from HK0 to LON 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 (6 on average).

How often are flights from Hong Kong to London delayed?

About 23% of weekly flights between Hong Kong and London have experienced delays in the past year, with the average delay time being 138 minutes.

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

Historically, flights departing in the evening 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 9% of flights being delayed.

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

Booking 69 days in advance of your planned departure date is, on average, the best time to get cheap flights from Hong Kong to London. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated 16 July 2026.
Check out reviews from past customers who have flown with Cathay Pacific,SWISS, andAir China from Hong Kong to London to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Cathay Pacific
7.6
Good
1,413 reviews
Check prices

Entertainment

7.8

Comfort

7.6

Boarding

7.9

Food

7.3

Overall

7.6

Crew

8.1

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
1,413 reviews
Cathay Pacific
7.6
Good
1,413 reviews
Check prices

Entertainment

7.8

Comfort

7.6

Boarding

7.9

Food

7.3

Overall

7.6

Crew

8.1

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
2,006 reviews
Cathay Pacific
7.6
Good
1,413 reviews
Check prices

Entertainment

7.8

Comfort

7.6

Boarding

7.9

Food

7.3

Overall

7.6

Crew

8.1

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
157 reviews
Cathay Pacific
7.6
Good
1,413 reviews
Check prices

Entertainment

7.8

Comfort

7.6

Boarding

7.9

Food

7.3

Overall

7.6

Crew

8.1

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
1,413 reviews
Check prices

Entertainment

7.8

Comfort

7.6

Boarding

7.9

Food

7.3

Overall

7.6

Crew

8.1

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
8,119 reviews
Cathay Pacific
7.6
Good
1,413 reviews
Check prices

Entertainment

7.8

Comfort

7.6

Boarding

7.9

Food

7.3

Overall

7.6

Crew

8.1

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 London. 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?

    Airlines like SWISS, China Eastern, and Finnair fly from Hong Kong to London in about 16h 20m. The time it takes to get you to your destination can typically vary by up to 10h 55m. Hong Kong and London are separated by a distance of 9627 km. This flight may include one or multiple stops.

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

    According to our current data, China Southern (HK$3,682), Air China (HK$3,981), and Air France (HK$4,176) offers the cheapest pricing from Hong Kong to London. China Southern is currently priced 45% below the average price you’ll pay for this route.

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

    The cheapest airline one-way is Air China, with whom users have recently found tickets for as low as HK$1,571. However, be on the lookout for offers from Hainan Airlines and China Southern, as they are both options that can get you from Hong Kong to London for a low price.

  • What are the most popular routes from Hong Kong to London?

    Most travellers choose Hong Kong Intl - London Heathrow, Hong Kong Intl - London Gatwick or Hong Kong Intl - London City when deciding on the best route from Hong Kong to London.

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

    No one likes to see their flight delayed. When booking a flight from Hong Kong to London 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?

    On average you can expect to pay HK$10,621 for a flight from Hong Kong to London. The cheapest flight overall is HK$5,048 while the most popular route, (Hong Kong Intl - London Heathrow) is currently priced at HK$4,405.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Hong Kong to London 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?

    Currently, March is the cheapest month in which you can book a flight from Hong Kong to London (average of HK$6,427). Flying from Hong Kong to London in November is currently the most expensive (average of HK$19,055). 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?

Book flights to London if you plan to visit one of these locations
Kingston upon Thames
Royal Tunbridge Wells
Slough
Buckingham
Horley
Richmond
Hatfield
Dartford
Guildford
Watford
Ilford
Croydon
Hounslow
Gatwick
Southend-on-Sea
Wembley
Bishop's Stortford
Southall

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 10 airlines flying from Hong Kong to London

Discover the top 10 airlines that operate flights from Hong Kong to London. 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 16 July 2026.
AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapestHK$3,682AverageHK$5,161FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Air ChinaCheapestHK$3,981AverageHK$6,141FlexibilityNo cancel feeOn-time67%
Search Air China flights
Air FranceCheapestHK$4,176AverageHK$5,242FlexibilityNo cancel feeOn-time77%
Search Air France flights
China EasternCheapestHK$4,196AverageHK$6,262FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
KLMCheapestHK$4,268AverageHK$7,029FlexibilityNo cancel feeOn-time75%
Search KLM flights
SWISSCheapestHK$4,339AverageHK$6,111FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Etihad AirwaysCheapestHK$4,380AverageHK$5,684FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
LufthansaCheapestHK$4,510AverageHK$6,686FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
FinnairCheapestHK$4,567AverageHK$6,396FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Singapore AirlinesCheapestHK$4,759AverageHK$6,698FlexibilityNo 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 London?

Cheapflights helps you search for flights from Hong Kong to London 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 London?

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 London from Hong Kong.

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

Need flexible booking options for your flight to London 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 London become cheaper?

Yes! Start tracking prices for Hong Kong to London flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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