Book a trip from Sydney to London with Cathay Pacific - fares from

Deals on Sydney (SYD) to London (LON) flights

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AUD3.9K
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RangeAUD1,596-AUD3,924

Flights from Sydney (SYD) to London (LHR)

Flight route information

Cathay Pacific offers daily flights to London Heathrow Airport (LHR) from Sydney Kingsford Smith Airport (SYD), which include a layover at Hong Kong International Airport (HKG). Flights from SYD to LHR take around 24 hours 30 minutes, including the layover, and bring you to Terminal 2 in London.

Upon your arrival in London

After landing in London, the most convenient way to get into the city centre is by taxi, which takes around 30 minutes. Alternatively, the Heathrow Express train takes approximately 20 minutes to arrive at the centrally-located Paddington station. The airport terminals are also served by the Piccadilly underground line, offering direct access to various destinations across London’s sprawling city centre.

A brief introduction to London

Boasting rich history, world class museums, dozens of lush city parks, as well as endless arts, dining and culture, there’s little wonder why London is one of the world’s most visited cities.

To get a panoramic view of the capital city, take a ride on the London Eye on the South Bank of the River Thames. At the top, you’ll be able to marvel at London’s skyline, which includes historic buildings like St Paul’s Cathedral, and modern skyscrapers such as The Shard and ‘The Gherkin’. Once you descend, you can walk Westminster Bridge to come face to face with iconic landmarks such as Big Ben and Westminster Abbey. 

London’s world class museums are well worth a visit, many of which can be found in South Kensington. Some of the more popular options being the Natural History Museum, Science Museum and Victoria & Albert Museum. To see London’s more eclectic side, consider a visit to East London where you will find a selection of street art, vibrant markets and authentic Indian restaurants. London’s beautiful parks are another great destination and are the perfect place for a midday picnic. St. James Park and Green Park are a few local favourites, both of which are near Buckingham Palace.


Flying to London with Cathay Pacific

Book your Sydney to London flight and enjoy Cathay Pacific’s world class hospitality and service from our dedicated crew.

During the layover in Hong Kong, First and Business Class passengers will have access to our award-winning lounges. Here, you can relax, refresh, and recharge between flights with signature experiences as the Noodle Bar, Shower Suites, the Relaxation Room, and more.


Frequently asked questions

How long is the flight from Sydney to London?

Flights from Sydney (SYD) to London (LHR) take around 24 hours 30 minutes and include a layover at Hong Kong International Airport (HKG). During your flight, enjoy a wealth of entertainment from our content library, including Hollywood films and complete TV box sets.

What plane will I be flying on?

Our Sydney to London flights operate on a combination of our Airbus and Boeing fleet, including our modern Airbus 350s and spacious Boeing 777s. Learn more about our fleet. The aircraft model may change due to availability.

How much baggage am I allowed to take when I fly to London with Cathay Pacific?

Economy Class ticket holders may bring one piece of cabin baggage weighing up to 7kg (15 lbs), as well as two pieces of check-in baggage weighing up to 30kg (66lbs) total. Premium Economy, Business and First Class ticket holders are entitled to higher limits. Read more about our baggage policy.

What should I know before arriving in London?

There’s plenty to remember when flying to a new destination. Here is some information that you should know before your flight to London.

  • Currency: Pound Sterling (£, GBP). Find out the current conversion rate.
  • Plug: 230V, Type G
  • Time zone: GMT+0. Daylight Savings pushes this forward one hour from April to November.
  • Language: English

Flight Deals for Popular Routes on Cathay Pacific

AUD
Flight Deals for Popular Routes on Cathay Pacific
From
To
Fare Type
Dates
Price
FromSydney (SYD)ToLondon (LHR)Round-trip
/
Economy
05/05/2025 - 26/05/2025

From

AUD1,600*

Seen 1 day ago

From Sydney To London Fare Type Round-trip Economy Dates 05/05/2025 - 26/05/2025 From AUD1,600 Seen 1 day ago
FromSydney (SYD)ToLondon (LHR)Round-trip
/
Economy
12/05/2025 - 24/06/2025

From

AUD1,600*

Seen 1 day ago

From Sydney To London Fare Type Round-trip Economy Dates 12/05/2025 - 24/06/2025 From AUD1,600 Seen 1 day ago
FromSydney (SYD)ToLondon (LHR)Round-trip
/
Economy
27/05/2025 - 18/06/2025

From

AUD1,600*

Seen 1 day ago

From Sydney To London Fare Type Round-trip Economy Dates 27/05/2025 - 18/06/2025 From AUD1,600 Seen 1 day ago
FromSydney (SYD)ToLondon (LHR)Round-trip
/
Economy
19/05/2025 - 23/06/2025

From

AUD1,600*

Seen 21 hours ago

From Sydney To London Fare Type Round-trip Economy Dates 19/05/2025 - 23/06/2025 From AUD1,600 Seen 21 hours ago
FromSydney (SYD)ToLondon (LHR)Round-trip
/
Economy
12/05/2025 - 16/06/2025

From

AUD1,600*

Seen 21 hours ago

From Sydney To London Fare Type Round-trip Economy Dates 12/05/2025 - 16/06/2025 From AUD1,600 Seen 21 hours ago
FromSydney (SYD)ToLondon (LHR)Round-trip
/
Economy
05/05/2025 - 20/05/2025

From

AUD1,600*

Seen 20 hours ago

From Sydney To London Fare Type Round-trip Economy Dates 05/05/2025 - 20/05/2025 From AUD1,600 Seen 20 hours ago
FromSydney (SYD)ToLondon (LHR)Round-trip
/
Economy
30/03/2025 - 11/06/2025

From

AUD1,663*

Seen 1 day ago

From Sydney To London Fare Type Round-trip Economy Dates 30/03/2025 - 11/06/2025 From AUD1,663 Seen 1 day ago
FromSydney (SYD)ToLondon (LHR)Round-trip
/
Economy
04/05/2025 - 25/05/2025

From

AUD1,663*

Seen 1 day ago

From Sydney To London Fare Type Round-trip Economy Dates 04/05/2025 - 25/05/2025 From AUD1,663 Seen 1 day ago
FromSydney (SYD)ToLondon (LHR)Round-trip
/
Economy
23/03/2025 - 12/04/2025

From

AUD1,663*

Seen 1 day ago

From Sydney To London Fare Type Round-trip Economy Dates 23/03/2025 - 12/04/2025 From AUD1,663 Seen 1 day ago
FromSydney (SYD)ToLondon (LHR)Round-trip
/
Economy
25/05/2025 - 08/06/2025

From

AUD1,663*

Seen 1 day ago

From Sydney To London Fare Type Round-trip Economy Dates 25/05/2025 - 08/06/2025 From AUD1,663 Seen 1 day ago
FromSydney (SYD)ToLondon (LHR)Round-trip
/
Economy
01/06/2025 - 22/06/2025

From

AUD1,663*

Seen 20 hours ago

From Sydney To London Fare Type Round-trip Economy Dates 01/06/2025 - 22/06/2025 From AUD1,663 Seen 20 hours ago
FromSydney (SYD)ToLondon (LHR)Round-trip
/
Economy
01/05/2025 - 22/05/2025

From

AUD1,681*

Seen 1 day ago

From Sydney To London Fare Type Round-trip Economy Dates 01/05/2025 - 22/05/2025 From AUD1,681 Seen 1 day ago

*Fares displayed have been collected within the last 48hrs and may no longer be available at time of booking.

Travel to London in Premium Economy

Best fares on flights found by others in the last 48 hours. (Please note that some fares may only apply when there are multiple travellers.)