Cheap Flights from London (LHR) to Sydney (SYD) from HK$3,999~

View HK$3,999 flight on Thu, 12 Mar 2026Opens in a new window

Popular airlines from Heathrow Airport (LHR) to Sydney Airport (SYD)

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Find Cheap Flights from London (LHR) to Sydney (SYD)

Prices were available within the past 7 days and start at HK$3,999 for one-way flights and HK$6,837 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

China Southern Airlines
Wed, 28 Jan - Wed, 4 Feb
LHR
London
SYD
Sydney
HK$6,837 Return, found 1 day ago
HK$6,837
Return
found 1 day ago
Select China Southern Airlines flight, departing Wed, 28 Jan from London to Sydney, returning Wed, 4 Feb, priced at HK$6,837 found 1 day ago
China Southern Airlines
Sun, 1 Mar - Sun, 8 Mar
LHR
London
SYD
Sydney
HK$7,143 Return, found 1 day ago
HK$7,143
Return
found 1 day ago
Select China Southern Airlines flight, departing Sun, 1 Mar from London to Sydney, returning Sun, 8 Mar, priced at HK$7,143 found 1 day ago
China Eastern Airlines
Sun, 1 Feb - Thu, 5 Feb
LHR
London
SYD
Sydney
HK$7,153 Return, found 6 days ago
HK$7,153
Return
found 6 days ago
Select China Eastern Airlines flight, departing Sun, 1 Feb from London to Sydney, returning Thu, 5 Feb, priced at HK$7,153 found 6 days ago
Etihad Airways
Mon, 2 Mar - Tue, 17 Mar
LHR
London
SYD
Sydney
HK$8,598 Return, found 12 hours ago
HK$8,598
Return
found 12 hours ago
Select Etihad Airways flight, departing Mon, 2 Mar from London to Sydney, returning Tue, 17 Mar, priced at HK$8,598 found 12 hours ago
Air India
Mon, 2 Mar - Tue, 17 Mar
LHR
London
SYD
Sydney
HK$8,993 Return, found 12 hours ago
HK$8,993
Return
found 12 hours ago
Select Air India flight, departing Mon, 2 Mar from London to Sydney, returning Tue, 17 Mar, priced at HK$8,993 found 12 hours ago
Cathay Pacific
Tue, 17 Feb - Thu, 5 Mar
LHR
London
SYD
Sydney
HK$9,043 Return, found 1 day ago
HK$9,043
Return
found 1 day ago
Select Cathay Pacific flight, departing Tue, 17 Feb from London to Sydney, returning Thu, 5 Mar, priced at HK$9,043 found 1 day ago
Swiss International Air Lines
Mon, 2 Nov - Tue, 10 Nov
LHR
London
SYD
Sydney
HK$9,090 Return, found 3 days ago
HK$9,090
Return
found 3 days ago
Select Swiss International Air Lines flight, departing Mon, 2 Nov from London to Sydney, returning Tue, 10 Nov, priced at HK$9,090 found 3 days ago
Austrian Airlines
Sat, 9 May - Fri, 22 May
LHR
London
SYD
Sydney
HK$9,181 Return, found 3 days ago
HK$9,181
Return
found 3 days ago
Select Austrian Airlines flight, departing Sat, 9 May from London to Sydney, returning Fri, 22 May, priced at HK$9,181 found 3 days ago
Turkish Airlines
Sun, 1 Mar - Sun, 8 Mar
LHR
London
SYD
Sydney
HK$9,414 Return, found 1 day ago
HK$9,414
Return
found 1 day ago
Select Turkish Airlines flight, departing Sun, 1 Mar from London to Sydney, returning Sun, 8 Mar, priced at HK$9,414 found 1 day ago
SriLankan Airlines
Sun, 1 Mar - Sun, 8 Mar
LHR
London
SYD
Sydney
HK$9,451 Return, found 1 day ago
HK$9,451
Return
found 1 day ago
Select SriLankan Airlines flight, departing Sun, 1 Mar from London to Sydney, returning Sun, 8 Mar, priced at HK$9,451 found 1 day ago

Find the cheapest month to fly from London (LHR) to Sydney (SYD)

March is typically the cheapest month to fly

From HK$5,659 - HK$9,791 per traveller.

Alternative airports near Sydney

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Kingsford Smith Intl. SYD. Cheapest option available. Average driving time to city centre is 16 minutes. Flights from HK$9,153
SYD
Kingsford Smith Intl.
Cheapest
Average driving time to city centre16 min
Flights from HK$9,153
London to Sydney route information
Origin airport
Heathrow
Destination airport
Kingsford Smith Intl.
Airlines serving
Air Canada, Air France, Air India, American Airlines, British Airways, Cathay Pacific, China Eastern Airlines, China Southern Airlines, Delta, Emirates, Etihad Airways, Lufthansa, Malaysia Airlines, Qantas Airways, Qatar Airways, Singapore Airlines, Thai Airways International, Turkish Airlines, United, Vietnam Airlines
Return price
HK$6,837
Distance
16918 km
Average flight time
34 hours 10 mins

Flights from London to Sydney

Book cheap flights from London (LHR) to Sydney (SYD) on Expedia.com.hk. Find the best flight deals to destinations around the world for your next leisure or business travel on Expedia.com.hk.

Search for flights from London (LHR) to Sydney (SYD) to find great flight deals suitable to your travel date and time. Expedia.com.hk flight booking search engine is simple to use and looking for cheap flights is as easy as a click of a mouse or on your mobile devices.

Be assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your London (LHR) to Sydney (SYD) trip. Call us at 3077-4857 (direct number - 24 hours day for English).

Save more when combine your Sydney flight with a hotel for a package deal! Discover additional savings by booking in advance. Now you can find activities in Sydney and things to do in Sydney for your perfect vacation with Expedia Thing to Do.

If you would like to book flights to Sydney more flexibly, many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to Sydney is HK$3,999 now!

 

Frequently asked questions

How much is a flight from Heathrow Airport (LHR) to SYD?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price available for a round-trip flight from London Heathrow to Sydney Airport was HK$6,837. Cheap tickets don't stick around for long, so make sure you book yours ASAP. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Heathrow Airport to SYD?
This differs between air carriers, as each one has its own terms and conditions. Head to the Customer Service Portal, where you'll find easy instructions on how to cancel online.
How do I find cheap flights from Heathrow Airport to Kingsford Smith Intl. Airport (SYD) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for London Heathrow to SYD flights, you'll see a "no change fees" filter for you to select.
How far is the flight from LHR to Kingsford Smith Intl. Airport (SYD)?
Hounslow to Sydney is around 17,000 kilometers, so be prepared to spend quite a while in the air. Don't forget to pack all the essentials, from your hoodie to your headphones. Take a couple of snacks to munch on throughout your journey too.
Which airlines fly direct from Heathrow Airport (LHR) to SYD?
Unfortunately, there are no airlines that fly directly between London Heathrow and Kingsford Smith Intl. Airport (SYD). You'll have to book a flight with at least one stop.
Are LHR to Sydney Airport flight tickets cheaper when they're purchased at the last minute?
Flight prices change all the time, so there are no guarantees. While last-minute deals between Heathrow Airport and Sydney Airport are of course possible, it also makes sense to keep track of prices well before you fly. In fact, some carriers announce their prices up to 12 months before the departure date. Expedia is continuously updating the biggest airfare bargains around, so keep checking and be ready to pounce when the price dips.

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