$747+ Cheap flights from London

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 25/1. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
LON — HKG
22 tammi — 29 tammi1
1 adult
1 adult, Economy, 0 bags

What to know about flights from London

Discover essential information about flights departing from London, including flight schedules, destinations, airlines operating at the London airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 23 joulukuu 2025.

Cheapest airline

Ryanair

Good round-trip deal

$59 or less

Good one-way deal

$36 or less
On average, Ryanair currently has the cheapest one-way flight from London (avg. price of $118).
Price to beat on a round-trip flight from London.
Price to beat on a one-way flight from London.

Find flights from London

Enter your travel dates to find the best prices.

Cheapest flights from London
Explore the most affordable flight options available from London. Find the lowest fares based on data from user searches, with prices last updated on 23 joulukuu 2025.

ma 2/217:45LCY - HKG
1 stop16h 00mSWISS
ma 9/223:30HKG - LCY
1 stop17h 10mSWISS
Deal found 20/12$1,081
ti 20/117:40LCY - HKG
1 stop16h 05mSWISS
ti 3/223:30HKG - LCY
1 stop17h 15mSWISS
Deal found 21/12$1,087
ti 13/118:15LCY - HKG
1 stop14h 10mMultiple Airlines
ti 3/223:30HKG - LCY
1 stop17h 15mMultiple Airlines
Deal found 21/12$1,088
ma 9/319:10LCY - HKG
1 stop14h 35mMultiple Airlines
ti 10/323:45HKG - LCY
1 stop17h 30mMultiple Airlines
Deal found 20/12$1,126
pe 30/117:40LCY - HKG
1 stop16h 05mSWISS
ma 9/223:30HKG - LCY
1 stop17h 10mSWISS
Deal found 20/12$1,134
to 15/117:40LCY - HKG
1 stop16h 05mSWISS
to 22/123:30HKG - LCY
1 stop17h 15mSWISS
Deal found 21/12$1,147
ti 13/118:15LCY - HKG
1 stop14h 10mMultiple Airlines
pe 23/123:30HKG - LCY
1 stop20h 10mMultiple Airlines
Deal found 21/12$1,149
pe 9/117:40LCY - HKG
1 stop16h 05mSWISS
ke 4/223:30HKG - LCY
1 stop17h 10mSWISS
Deal found 20/12$1,158
ma 2/319:10LCY - HKG
1 stop14h 35mSWISS
ke 11/323:30HKG - LCY
1 stop17h 10mSWISS
Deal found 22/12$1,164
ke 18/218:10LCY - HKG
1 stop14h 15mMultiple Airlines
to 12/323:30HKG - LCY
1 stop17h 15mMultiple Airlines
Deal found 21/12$1,165
su 1/322:00LHR - SYD
1 stop24h 25mChina Southern
to 26/309:20SYD - LHR
2 stops43h 35mChina Southern
Deal found 22/12$1,545
ti 7/421:30LGW - SYD
2 stops37h 10mChina Southern
ti 14/421:45SYD - LGW
1 stop42h 20mChina Southern
Deal found 23/12$1,546

Find flights from London within your budget

 
Find flights departing from London that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 23 joulukuu 2025. In the last 7 days, Cheapflights users made a total of 647,157 searches

Fly to

Hong Kong

Route

Depart

Return

Price

LondonHong Kong

LCY - HKG

LCYHKG

London City

ke 14/1

17:40-17:45

1 stop16h 05m

Hong Kong Intl

ti 20/1

23:30-08:45

1 stop17h 15m

$1,147

LondonHong Kong

LCY - HKG

LCYHKG

London City

pe 16/1

17:40-17:45

1 stop16h 05m

Hong Kong Intl

to 22/1

23:30-08:45

1 stop17h 15m

$1,147

LondonHong Kong

LCY - HKG

LCYHKG

London City

pe 16/1

17:40-17:45

1 stop16h 05m

Hong Kong Intl

pe 23/1

23:30-11:40

1 stop20h 10m

$1,147

LondonHong Kong

LCY - HKG

LCYHKG

London City

ti 13/1

17:40-17:45

1 stop16h 05m

Hong Kong Intl

to 22/1

23:30-08:45

1 stop17h 15m

$1,147

LondonHong Kong

LCY - HKG

LCYHKG

London City

ti 13/1

18:15-16:25

1 stop14h 10m

Hong Kong Intl

ti 20/1

23:30-08:45

1 stop17h 15m

$1,149

LondonHong Kong

LCY - HKG

LCYHKG

London City

to 15/1

17:40-17:45

1 stop16h 05m

Hong Kong Intl

ma 19/1

23:30-08:40

1 stop17h 10m

$1,149

LondonHong Kong

LCY - HKG

LCYHKG

London City

ke 14/1

18:10-16:25

1 stop14h 15m

Hong Kong Intl

ti 20/1

23:30-08:45

1 stop17h 15m

$1,207

LondonHong Kong

LCY - HKG

LCYHKG

London City

ma 12/1

17:45-17:45

1 stop16h 00m

Hong Kong Intl

su 18/1

23:30-08:40

1 stop17h 10m

$1,224

LondonHong Kong

LCY - HKG

LCYHKG

London City

su 11/1

17:40-17:45

1 stop16h 05m

Hong Kong Intl

ma 26/1

23:30-08:40

1 stop17h 10m

$1,224

LondonHong Kong

LCY - HKG

LCYHKG

London City

pe 1/5

19:15-16:40

1 stop14h 25m

Hong Kong Intl

ma 18/5

23:25-08:40

1 stop16h 15m

$1,256

Flights are sorted by cheapest return flights first.

Deals found on 21/12

Showing 1-10 of 60 results
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Best time to book a flight from London

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

Travel insights for flights from London

Get recent, data-driven insights about flights from London including ideal travel times, pricing trends, and more.

When is the best time to book a flight from London?

Use this chart to determine the optimal time to book a return flight from London to Hong Kong. Price data was last updated on 19 December 2025.

The best time to book flights from London is 42 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 London?

Currently, March is the cheapest month in which you can book a flight from London (average of $506). Flying from London in July will prove the most costly (average of $1,201). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

Airline reviews for flights from London

Get insights into the airlines that provide service from London. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing airline for your flight from London. In the last 7 days, Cheapflights users made a total of 647,157 searches.
Get a feel of what it's like to fly with Cathay Pacific from London by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Overall

7.6

Boarding

7.9

Comfort

7.6

Crew

8.1

Entertainment

7.8

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Sept 2025

PNH - HKG

Everything was good except the typhoon that cause cancelation of my return flight with i had not got any compensation for

Overall

7.6

Boarding

7.9

Comfort

7.6

Crew

8.1

Entertainment

7.8

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Sept 2025

PNH - HKG

Everything was good except the typhoon that cause cancelation of my return flight with i had not got any compensation for

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Related info for your journey

Access useful and relevant information related to your journey from London. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 23 joulukuu 2025.
  • What are the most popular destinations to fly to from London?

    For the current month, the most popular flights from London are Ahmedabad, Auckland, Accra. Ahmedabad, Accra, Barcelona-El Prat Airport are the most popular locations from London year round.

  • Which is the cheapest airport to catch a flight from London?

    The cheapest routes to Perth can be found at London Luton airport from $57. While London Stansted airport is usually cheaper if your destination is Dubai with prices starting at $105. Reference our flight search to find the best deals in real time.

  • What are the cheapest airlines flying from London to anywhere?

    According to our data, users have found Ryanair, Ryanair, and easyJet to have the cheapest round-trip prices from London. Some of the destinations and prices are as follows: Ryanair flights from London to Athens Eleftherios V. ($32). Ryanair flights from London to Edinburgh Turnhouse ($33). easyJet flights from London to Malaga ($34).

  • What is the cheapest month to fly from London?

    Currently, the cheapest month for flights from London is March. The most expensive month for flights is July. The cheapest prices are shown above but prices will vary according to departure times, airlines, class and how early you book.

  • Where are the cheapest places to fly to from London?

    View the cheapest flight destinations from London:
    Fly from London to Málaga from $57 round trip
    Fly from London to Split from $77 round trip
    Fly from London to Edinburgh from $123 round trip
    Fly from London to Dubrovnik from $132 round trip
    Fly from London to Faro from $142 round trip

  • How does Cheapflights help users find flights from London?

    Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from London. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

  • Why should you use Cheapflights to find cheap flight tickets from London?

    Cheapflights simply makes it quick and affordable to book flights from London by bringing together all flight options from hundreds of airlines and agencies online — and we put them in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

  • Can Cheapflights find flights from London with no change fees?

    Users can book flights with no change fees policies with our dedicated filters. Book flights from London flexibly with Cheapflights today.

  • Can Cheapflights notify me if prices for flights from London become cheaper?

    Yes, Cheapflights has a feature called Price Alerts, which offers users the ability to be notified when flight prices change. Track prices for your flight from London today and book when you’re ready!

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Fly with Cheapflights

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How does Cheapflights help users find flights from London?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from London. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from London?

Cheapflights simply makes it quick and affordable to book flights from London by bringing together all flight options from hundreds of airlines and agencies online — and we put them in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from London with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from London flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from London become cheaper?

Yes, Cheapflights has a feature called Price Alerts, which offers users the ability to be notified when flight prices change. Track prices for your flight from London today and book when you’re ready!

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