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$245+ Cheap flights from Hong Kong (HKG) to London (LON)

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 12/22. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — LON
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Find cheap flights from Hong Kong to London with Cheapflights

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Cheapflights Tip: The best prices from Hong Kong Intl to London are usually found in February or November, booked 61 days in advance, depart on a Monday or Sunday and return on a Monday

Cheap flight deals from Hong Kong to London

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 December 12, 2025.

This CheapOair deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/185:50 pmHKG - LHR
1 stop32h 00mMultiple Airlines
Thu 1/89:00 pmLHR - HKG
2 stops35h 30mMultiple Airlines
Deal found 12/10$616
This Etihad Airways deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/237:35 pmHKG - LHR
1 stop19h 05mEtihad Airways
Wed 1/78:50 amLHR - HKG
1 stop15h 40mEtihad Airways
Deal found 12/10$645
This FlightHub deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/167:35 pmHKG - LHR
1 stop30h 35mEtihad Airways
Tue 4/289:45 pmLHR - HKG
1 stop27h 30mEtihad Airways
Deal found 12/10$647
This SWISS deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3111:30 pmHKG - LHR
1 stop16h 35mSWISS
Sun 1/252:25 pmLHR - HKG
2 stops19h 20mSWISS
Deal found 12/10$687
This FlightHub deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/188:20 pmHKG - LGW
1 stop25h 40mChina Eastern
Thu 1/85:00 pmLGW - HKG
1 stop20h 05mChina Eastern
Deal found 12/10$710
This Gotogate deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/218:20 pmHKG - LGW
1 stop25h 40mChina Eastern
Tue 12/3010:30 amLGW - HKG
1 stop17h 00mChina Eastern
Deal found 12/10$713
This Finnair deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/319:45 pmHKG - LHR
1 stop27h 15mFinnair
Tue 2/177:30 amLHR - HKG
1 stop27h 35mFinnair
Deal found 12/11$727
This CheapOair deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/167:40 amHKG - LHR
1 stop17h 50mMultiple Airlines
Tue 4/2810:20 amLHR - HKG
2 stops26h 20mMultiple Airlines
Deal found 12/10$743
This Priceline deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/125:40 pmHKG - LGW
1 stop28h 20mChina Eastern
Mon 12/295:00 pmLGW - HKG
1 stop34h 30mChina Eastern
Deal found 12/11$761
This Etihad Airways deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/267:35 pmHKG - LHR
1 stop19h 05mEtihad Airways
Sat 1/108:55 pmLHR - HKG
1 stop27h 35mEtihad Airways
Deal found 12/10$763
This CheapOair deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/208:20 pmHKG - LHR
1 stop29h 10mMultiple Airlines
Wed 12/317:45 pmLHR - HKG
1 stop35h 05mMultiple Airlines
Deal found 12/11$772
This Kiwi.com deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/121:40 pmHKG - LGW
1 stop32h 20mMultiple Airlines
Mon 12/296:10 amLGW - HKG
2 stops21h 20mMultiple Airlines
Deal found 12/11$791

Find flight deals from Hong Kong to London

Discover tips and strategies to find the most affordable flight options for your journey from Hong Kong (HKG) to London (LON). 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 December 12, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$589
(Finnair)

One-way from

$245
(Mytrip)

Popular in

April

Cheapest in

February

Average price

$820

Good round-trip deal

$867 or less

Good one-way deal

$763 or less
Provider with most accurate pricing for Hong Kong Intl-London (LON) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Hong Kong Intl-London (LON) flights.
Search Deals
From Hong Kong Intl to London (LON)
Search Deals
One-way flight from Hong Kong Intl to London (LON)
Search Deals
High demand for flights, 1% potential price rise
Search Deals
Cheapest flight prices on average. 0% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Hong Kong Intl to London (LON).
Search Deals
Price to beat on a one-way flight from Hong Kong Intl to London (LON).
Search Deals

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated December 12, 2025.
Use the filters below to find and compare flights from Hong Kong to London that are best for you.

Fly from

Hong Kong

Fly to

London

Route

Depart

Return

Price

Hong KongLondon

HKG - LHR

HKGLHR

Hong Kong Intl

Mon 1/19

11:30 pm-1:40 pm

2 stops22h 10m

London Heathrow

Fri 1/23

6:40 pm-5:45 pm

1 stop15h 05m

$601

Hong KongLondon

HKG - LGW

HKGLGW

Hong Kong Intl

Sun 1/25

7:10 am-6:30 am

2 stops31h 20m

London Gatwick

Sun 2/1

5:00 pm-7:20 pm

1 stop18h 20m

$620

Hong KongLondon

HKG - LHR

HKGLHR

Hong Kong Intl

Mon 1/19

11:30 pm-4:40 pm

2 stops25h 10m

London Heathrow

Thu 2/5

6:40 pm-5:45 pm

1 stop15h 05m

$623

Hong KongLondon

HKG - LHR

HKGLHR

Hong Kong Intl

Mon 6/8

8:55 pm-5:05 pm

1 stop27h 10m

London Heathrow

Fri 6/12

7:30 am-5:40 pm

1 stop27h 10m

$632

Hong KongLondon

HKG - LHR

HKGLHR

Hong Kong Intl

Wed 1/21

11:30 pm-4:40 pm

2 stops25h 10m

London Heathrow

Tue 2/3

9:00 am-5:45 pm

2 stops24h 45m

$635

Hong KongLondon

HKG - LHR

HKGLHR

Hong Kong Intl

Tue 3/10

7:35 pm-2:30 pm

1 stop26h 55m

London Heathrow

Thu 3/19

1:55 pm-8:30 am

1 stop34h 35m

$646

Hong KongLondon

HKG - LHR

HKGLHR

Hong Kong Intl

Tue 3/3

7:35 pm-2:30 pm

1 stop26h 55m

London Heathrow

Sat 3/14

1:55 pm-8:30 am

1 stop34h 35m

$646

Hong KongLondon

HKG - LHR

HKGLHR

Hong Kong Intl

Mon 3/9

7:35 pm-12:05 pm

1 stop24h 30m

London Heathrow

Wed 3/18

7:20 pm-8:30 am

1 stop29h 10m

$646

Hong KongLondon

HKG - LGW

HKGLGW

Hong Kong Intl

Tue 1/13

11:30 pm-5:50 pm

1 stop26h 20m

London Gatwick

Tue 1/20

6:40 pm-5:45 pm

1 stop15h 05m

$660

Hong KongLondon

HKG - LHR

HKGLHR

Hong Kong Intl

Tue 1/13

11:30 pm-1:40 pm

2 stops22h 10m

London Heathrow

Tue 1/20

6:40 pm-5:45 pm

1 stop15h 05m

$665

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 40 results
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Compare providers for flights from Hong Kong to London

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Hong Kong to London in December.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
CheapOairPrice Accuracy3 starsTrust Score*3 stars
Trip.comPrice Accuracy2 starsTrust Score*3 stars
SmartFaresPrice Accuracy1 starTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Hong Kong-London flights, users find the pricing of CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on Hong Kong-London flight deals on Cheapflights vs. CheapOair >95% of the time. Price accuracy is based on data collected from Hong Kong-London flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Hong Kong-London flights, Cheapflights users trust CheapOair the most. CheapOair has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Hong Kong-London flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 round-trip 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

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

Use this chart to determine the optimal time to book a round-trip flight from Hong Kong to London. Price data was last updated on December 5, 2025.

The best time to book flights from Hong Kong to London is 61 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?

Currently, August is the cheapest month in which you can book a flight from Hong Kong to London (average of $117). Flying from Hong Kong to London in September is currently the most expensive (average of $680). 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 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 December 12, 2025.

A simple way to save on the total cost of your ticket is to fly from Hong Kong to London in the evening. If you’re flexible enough to do this you can expect to save up to 30% on your trip compared to booking a flight at noon.

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 December 12, 2025.

The most flights from HKG 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 (5 on average).

How much does it cost to fly round-trip from Hong Kong to London?

What’s the top layover airport for flights from Hong Kong to London?

Share of 1-stop round-trip flights from Hong Kong to London chosen by Cheapflights users in the past 12 months, using the same layover each way.

Beijing (PEK) – chosen by Cheapflights users on 36% of 1-stop itineraries from Hong Kong to London on Cheapflights.

What’s the cheapest layover airport for flights from Hong Kong to London?

Average round-trip fare for 1-stop flights from Hong Kong to London, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Frankfurt am Main (FRA) is the most affordable 1-stop option, with an average round-trip price of $540.

What’s the fastest layover option from Hong Kong to London?

Shortest average travel time for 1-stop one-way flights from Hong Kong to London, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Frankfurt am Main (FRA) have the shortest average one-way travel time for 1-stop routes: 16h 15m.

Which airport typically offers the quickest layover for flights from Hong Kong to London?

Average layover duration for 1-stop one-way flights from Hong Kong to London, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Frankfurt am Main (FRA) offer the fastest connection on this route, with an average layover time of 1h 27m.

How often are flights from Hong Kong to London delayed?

About 18% of weekly flights between Hong Kong and London have experienced delays in the past year, with the average delay time being 139 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 last year, British Airways have had the lowest number of delays on this route, with just 6% of flights being delayed.

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 December 12, 2025.
Read reviews from past customers who have flown Cathay Pacific, SWISS, and China Eastern from Hong Kong to London. 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
1,095 reviews

Entertainment

7.8

Overall

7.6

Comfort

7.6

Boarding

7.9

Crew

8.1

Food

7.3

Reviews

1 / 20
8.0
Excellent

Mei Lin,Sep 2025

HKG - LHR

Overall, it was good. The flight was smooth, and the service was good. Unfortunately, the food was mediocre. The toilet could have been in a better condition throughout the flight.
Cathay Pacific
7.6
Good
1,095 reviews
Cathay Pacific
7.6
Good
1,095 reviews

Entertainment

7.8

Overall

7.6

Comfort

7.6

Boarding

7.9

Crew

8.1

Food

7.3

Reviews

1 / 20
8.0
Excellent

Mei Lin,Sep 2025

HKG - LHR

Overall, it was good. The flight was smooth, and the service was good. Unfortunately, the food was mediocre. The toilet could have been in a better condition throughout the flight.
SWISS
7.5
Good
1,810 reviews
Cathay Pacific
7.6
Good
1,095 reviews

Entertainment

7.8

Overall

7.6

Comfort

7.6

Boarding

7.9

Crew

8.1

Food

7.3

Reviews

1 / 20
8.0
Excellent

Mei Lin,Sep 2025

HKG - LHR

Overall, it was good. The flight was smooth, and the service was good. Unfortunately, the food was mediocre. The toilet could have been in a better condition throughout the flight.
China Eastern
7.2
Good
178 reviews
Cathay Pacific
7.6
Good
1,095 reviews

Entertainment

7.8

Overall

7.6

Comfort

7.6

Boarding

7.9

Crew

8.1

Food

7.3

Reviews

1 / 20
8.0
Excellent

Mei Lin,Sep 2025

HKG - LHR

Overall, it was good. The flight was smooth, and the service was good. Unfortunately, the food was mediocre. The toilet could have been in a better condition throughout the flight.
Air China
7.2
Good
127 reviews
Cathay Pacific
7.6
Good
1,095 reviews

Entertainment

7.8

Overall

7.6

Comfort

7.6

Boarding

7.9

Crew

8.1

Food

7.3

Reviews

1 / 20
8.0
Excellent

Mei Lin,Sep 2025

HKG - LHR

Overall, it was good. The flight was smooth, and the service was good. Unfortunately, the food was mediocre. The toilet could have been in a better condition throughout the flight.
British Airways
6.7
Okay
7,571 reviews
Cathay Pacific
7.6
Good
1,095 reviews

Entertainment

7.8

Overall

7.6

Comfort

7.6

Boarding

7.9

Crew

8.1

Food

7.3

Reviews

1 / 20
8.0
Excellent

Mei Lin,Sep 2025

HKG - LHR

Overall, it was good. The flight was smooth, and the service was good. Unfortunately, the food was mediocre. The toilet could have been in a better condition throughout the flight.

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.

  • What airport do you fly from for flights from Hong Kong to London?

    Hong Kong Intl (HKG), located 16.2 mi from the city center, is the airport you fly out of when you book flights from Hong Kong to London. 8 airlines have flights from Hong Kong Intl to London on a regular basis. Booking flights from Hong Kong Intl to London should not be difficult; the airport handles an average of 6 outbound flights to London per day.

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

    A quick flight from Hong Kong to London can take about 22h 10m. SWISS provides one of the quickest options available for as low as $601. Airlines will cover a distance of 5980 mi. This flight may include one or multiple stops.

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

    Cheapflights users have booked flights from Hong Kong to London round-trip from $302. Other airlines that can offer you cheap pricing are Lufthansa, from $485, and China Southern, from $550. These flights start at 63% lower than the current average price 3 months from now.

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

    The cheapest airlines for a one-way flight from Hong Kong to London are Air China ($255), Thai Airways ($293), and British Airways ($369).

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

    The top 3 most reliable airlines when flying from Hong Kong to London are Iberia (97%), British Airways (97%) and Cathay Pacific (73%).

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

    The cheapest flight price from Hong Kong to London is $650. On average you can expect to pay $1,187. The most popular route, (Hong Kong Intl - London Heathrow), can usually be booked for $530.

  • 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 vacation 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, August is the cheapest month in which you can book a flight from Hong Kong to London (average of $117). Flying from Hong Kong to London in September is currently the most expensive (average of $680). 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

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
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Alternative routes for Hong Kong to London

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 Manchester flights

Top 8 airlines flying from Hong Kong to London

Discover the top 8 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 2,558,603 searches. Data last updated December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapest$302Average$703FlexibilityNo cancel feeOn-time79%
LufthansaCheapest$485Average$587FlexibilityNo cancel feeOn-time76%
China SouthernCheapest$550Average$671FlexibilityNo cancel feeOn-time69%
FinnairCheapest$565Average$716FlexibilityNo cancel feeOn-time76%
Air ChinaCheapest$618Average$985FlexibilityNo cancel feeOn-time67%
China EasternCheapest$651Average$737FlexibilityNo cancel feeOn-time62%
British AirwaysCheapest$713Average$880FlexibilityNo cancel feeOn-time70%
Cathay PacificCheapest$755Average$1,058FlexibilityNo cancel feeOn-time72%

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