$640+ 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 2/11. 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
18 Oct — 25 Oct1
1 adult
1 adult, Economy

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 18 September 2025.

Cheapest airline

Ryanair

Good round-trip deal

$59 or less

Good one-way deal

$34 or less
On average, Ryanair currently has the cheapest one-way flight from London (avg. price of $166).
Price to beat on a round-trip flight from London.
Price to beat on a one-way flight from London.

Find flights from London

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 18 September 2025.

Sun 9/1117:45LCY - HKG
1 stop16h 00mMultiple Airlines
Mon 10/1123:45HKG - LCY
1 stop17h 30mMultiple Airlines
Deal found 16/9$1,015
Wed 5/1119:10LCY - HKG
1 stop14h 35mSWISS
Thu 6/1123:30HKG - LCY
1 stop17h 15mSWISS
Deal found 17/9$1,018
Sat 1/1109:25LTN - HKG
2 stops25h 35mMultiple Airlines
Sat 8/1120:15HKG - LTN
2 stops32h 50mMultiple Airlines
Deal found 17/9$1,024
Mon 3/1118:15LCY - HKG
1 stop14h 10mMultiple Airlines
Mon 10/1123:30HKG - LCY
1 stop17h 05mMultiple Airlines
Deal found 16/9$1,037
Fri 5/1217:15LCY - HKG
1 stop15h 10mLufthansa
Mon 26/123:45HKG - LCY
1 stop17h 30mLufthansa
Deal found 16/9$1,039
Mon 3/1118:15LCY - HKG
1 stop14h 10mLufthansa
Mon 1/1223:45HKG - LCY
1 stop17h 30mLufthansa
Deal found 17/9$1,040
Tue 11/1118:15LCY - HKG
1 stop14h 10mMultiple Airlines
Mon 17/1123:30HKG - LCY
1 stop17h 05mMultiple Airlines
Deal found 17/9$1,042
Wed 26/1117:45LCY - HKG
1 stop16h 00mMultiple Airlines
Wed 3/1223:45HKG - LCY
1 stop17h 20mMultiple Airlines
Deal found 17/9$1,066
Fri 16/118:15LCY - HKG
1 stop14h 10mLufthansa
Mon 2/223:45HKG - LCY
1 stop17h 30mLufthansa
Deal found 17/9$1,067
Sun 16/1119:20LCY - HKG
1 stop14h 25mSWISS
Sun 23/1123:30HKG - LCY
1 stop17h 05mSWISS
Deal found 16/9$1,069
Thu 22/117:05LCY - HKG
1 stop15h 15mKLM
Mon 9/223:25HKG - LCY
1 stop16h 45mKLM
Deal found 16/9$1,070
Sun 30/1117:15LCY - HKG
1 stop15h 10mLufthansa
Mon 15/1223:45HKG - LCY
1 stop17h 30mLufthansa
Deal found 18/9$1,081

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 18 September 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

Sun 9/11

17:45-17:45

1 stop16h 00m

Hong Kong Intl

Mon 10/11

23:45-09:15

1 stop17h 30m

$1,015

LondonHong Kong

LCY - HKG

LCYHKG

London City

Sun 9/11

19:20-17:45

1 stop14h 25m

Hong Kong Intl

Tue 11/11

23:30-08:45

1 stop17h 15m

$1,015

LondonHong Kong

LTN - HKG

LTNHKG

London Luton

Sat 1/11

09:25-19:00

2 stops25h 35m

Hong Kong Intl

Sat 8/11

20:15-21:05

2 stops32h 50m

$1,024

LondonHong Kong

LCY - HKG

LCYHKG

London City

Tue 18/11

18:15-16:25

1 stop14h 10m

Hong Kong Intl

Wed 3/12

23:45-09:05

1 stop17h 20m

$1,042

LondonHong Kong

LCY - HKG

LCYHKG

London City

Tue 11/11

17:15-16:25

1 stop15h 10m

Hong Kong Intl

Mon 24/11

23:30-08:35

1 stop17h 05m

$1,042

LondonHong Kong

LCY - HKG

LCYHKG

London City

Tue 18/11

19:10-17:45

1 stop14h 35m

Hong Kong Intl

Wed 3/12

23:45-09:05

1 stop17h 20m

$1,066

LondonHong Kong

LCY - HKG

LCYHKG

London City

Thu 22/1

17:05-16:20

1 stop15h 15m

Hong Kong Intl

Mon 9/2

23:25-08:10

1 stop16h 45m

$1,070

LondonHong Kong

LCY - HKG

LCYHKG

London City

Mon 3/11

17:15-16:25

1 stop15h 10m

Hong Kong Intl

Sun 9/11

23:45-09:15

1 stop17h 30m

$1,084

LondonHong Kong

LCY - HKG

LCYHKG

London City

Tue 11/11

17:45-17:45

1 stop16h 00m

Hong Kong Intl

Sun 23/11

23:30-08:35

1 stop17h 05m

$1,103

LondonHong Kong

LCY - HKG

LCYHKG

London City

Tue 6/1

17:45-17:45

1 stop16h 00m

Hong Kong Intl

Tue 20/1

23:45-09:15

1 stop17h 30m

$1,105

Flights are sorted by cheapest return flights first.

Deals found on 16/9

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 12 September 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 $592). Flying from London in July will prove the most costly (average of $1,204). 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.

Boarding

7.9

Comfort

7.6

Crew

8.1

Entertainment

7.8

Food

7.3

Overall

7.6

Reviews

1 / 20
10.0
Excellent

anish,Aug 2025

YYZ - HKG

Overall journey was good. The economy seats on this airbus a350 was the worst . Too narrow and no underthigh support . My next journey from Hongkong to kathmandu was better as the economy seats on airbus a330 was a lot better than on this plane . Cathy should make a note on this . The long haul flights should have at least comfy seats compared to short flights from Hongkong to ktm

Boarding

7.9

Comfort

7.6

Crew

8.1

Entertainment

7.8

Food

7.3

Overall

7.6

Reviews

1 / 20
10.0
Excellent

anish,Aug 2025

YYZ - HKG

Overall journey was good. The economy seats on this airbus a350 was the worst . Too narrow and no underthigh support . My next journey from Hongkong to kathmandu was better as the economy seats on airbus a330 was a lot better than on this plane . Cathy should make a note on this . The long haul flights should have at least comfy seats compared to short flights from Hongkong to ktm

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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 18 September 2025.
  • What are the most popular destinations to fly to from London?

    For the current month, the most popular flights from London are Amsterdam, Barcelona-El Prat Airport, Alicante. Ahmedabad, Amsterdam, 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 Edinburgh Turnhouse ($27). Ryanair flights from London to Athens Eleftherios V. ($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 $76 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 $141 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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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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