Cheap Flights from London (LON) to Sydney (SYD)

View AU$818 flight on Tue, 21 Oct. 2025Opens in a new window

Popular airlines from London to Sydney, NSW (SYD-Kingsford Smith Intl.)

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Cheap Flights from London (LON) to Sydney (SYD)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

China Southern Airlines
Tue, 16 Sep. - Thu, 16 Oct.
LGW
London
SYD
Sydney
AU$1,067 Return, found 1 hour ago
AU$1,067
Return
found 1 hour ago
Select China Southern Airlines flight, departing Tue, 16 Sep. from London to Sydney, returning Thu, 16 Oct., priced at AU$1,067 found 1 hour ago
China Southern Airlines
Sun, 14 Sep. - Mon, 20 Oct.
LHR
London
SYD
Sydney
AU$1,129 Return, found 3 days ago
AU$1,129
Return
found 3 days ago
Select China Southern Airlines flight, departing Sun, 14 Sep. from London to Sydney, returning Mon, 20 Oct., priced at AU$1,129 found 3 days ago
China Eastern Airlines
Tue, 16 Sep. - Sat, 18 Oct.
LGW
London
SYD
Sydney
AU$1,157 Return, found 4 days ago
AU$1,157
Return
found 4 days ago
Select China Eastern Airlines flight, departing Tue, 16 Sep. from London to Sydney, returning Sat, 18 Oct., priced at AU$1,157 found 4 days ago
Air China
Thu, 27 Nov. - Fri, 6 Feb.
LHR
London
SYD
Sydney
AU$1,272 Return, found 2 days ago
AU$1,272
Return
found 2 days ago
Select Air China flight, departing Thu, 27 Nov. from London to Sydney, returning Fri, 6 Feb., priced at AU$1,272 found 2 days ago
Swiss International Air Lines
Wed, 5 Nov. - Thu, 13 Nov.
LCY
London
SYD
Sydney
AU$1,671 Return, found 3 days ago
AU$1,671
Return
found 3 days ago
Select Swiss International Air Lines flight, departing Wed, 5 Nov. from London to Sydney, returning Thu, 13 Nov., priced at AU$1,671 found 3 days ago
Lufthansa
Thu, 13 Nov. - Mon, 16 Feb.
LHR
London
SYD
Sydney
AU$1,726 Return, found 3 days ago
AU$1,726
Return
found 3 days ago
Select Lufthansa flight, departing Thu, 13 Nov. from London to Sydney, returning Mon, 16 Feb., priced at AU$1,726 found 3 days ago
Cathay Pacific
Mon, 10 Nov. - Mon, 17 Nov.
LHR
London
SYD
Sydney
AU$1,737 Return, found 4 days ago
AU$1,737
Return
found 4 days ago
Select Cathay Pacific flight, departing Mon, 10 Nov. from London to Sydney, returning Mon, 17 Nov., priced at AU$1,737 found 4 days ago
Vietnam Airlines
Thu, 11 Sep. - Mon, 15 Sep.
LHR
London
SYD
Sydney
AU$1,796 Return, found 2 days ago
AU$1,796
Return
found 2 days ago
Select Vietnam Airlines flight, departing Thu, 11 Sep. from London to Sydney, returning Mon, 15 Sep., priced at AU$1,796 found 2 days ago
Singapore Airlines
Tue, 3 Mar. - Tue, 10 Mar.
LGW
London
SYD
Sydney
AU$1,834 Return, found 1 day ago
AU$1,834
Return
found 1 day ago
Select Singapore Airlines flight, departing Tue, 3 Mar. from London to Sydney, returning Tue, 10 Mar., priced at AU$1,834 found 1 day ago
Air India
Mon, 6 Oct. - Tue, 21 Oct.
LHR
London
SYD
Sydney
AU$1,837 Return, found 2 days ago
AU$1,837
Return
found 2 days ago
Select Air India flight, departing Mon, 6 Oct. from London to Sydney, returning Tue, 21 Oct., priced at AU$1,837 found 2 days ago

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

March is typically the cheapest month to fly

From AU$1,118 - AU$2,132 per traveller.

Graph displaying average flight prices per month

Flight from London to Sydney route information
Origin airport
Gatwick
Destination airport
Kingsford Smith Intl.
Airlines serving
Air Canada, Air France, Air India, American Airlines, Asiana Airlines, British Airways, Cathay Pacific, China Eastern Airlines, China Southern Airlines, Emirates, Etihad Airways, KLM, Korean Air, Malaysia Airlines, Qantas Airways, Qatar Airways, Singapore Airlines, Thai Airways International, Turkish Airlines, United
Return price
AU$1,067
Distance
16918 km

LON to SYD Flights

Ready to get away? Use Expedia.com.au to book cheap flights from England to Sydney AU$1,067, and have leftover money to spare on adventures and activities while you’re in town. We have the world’s largest selection of flights, not to mention lower airfares than you’ll find anywhere else on the Internet.

Our user-friendly tools make it easier than ever to book LON to SYD flights, even if you’re hoping to hop aboard one of the last-minute flights leaving today. So whether you seek a spontaneous trip to this city’s hottest attractions, or prefer to plan out every detail of your adventure ahead of time, Expedia.com.au is here to help you find exactly what you are interested in.

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Frequently asked questions

How much is a flight from London (LON-All Airports) to Mascot Airport?
Pack your bags, because round-trip flights between London (LON-All Airports) and Kingsford Smith Intl. Airport (SYD) start from AU$1,067. That's based on fares listed within the last 7 days on Expedia for flights departing within the next year. Prices can move quickly, so book today to score the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from London (LON-All Airports) to SYD?
Every air carrier has its own terms and conditions. If you do decide to cancel, follow the simple instructions on our Customer Service Portal.
How do I find cheap flights from London (LON-All Airports) to Mascot Airport 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 (LON-All Airports) to Mascot Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from London (LON-All Airports) to Kingsford Smith Intl. Airport (SYD)?
With a flight distance of 17 000 kilometres from London (LON-All Airports) to Kingsford Smith Intl. Airport (SYD), this is a long journey. Make sure you drink plenty of water and move around the cabin from time to time.
Which airlines fly direct from London (LON-All Airports) to Kingsford Smith Intl. Airport (SYD)?
At present, no airlines offer direct flights from London (LON-All Airports) to Kingsford Smith Intl. Airport (SYD). You'll need to book a flight with one or more stops. To get the best connections and price, lock in your airfare ahead of time.
Are London (LON-All Airports) to Kingsford Smith Intl. Airport (SYD) flight tickets cheaper when they're purchased at the last minute?
It is possible to find a fantastic last-minute deal from London (LON-All Airports) to SYD, but there's no guarantee. As many airlines advertise prices up to a year in advance, it's worth keeping an eye on fares early and being ready to pounce when you see a good bargain. Expedia compares air carrier prices and updates flight deals all the time, so you can be certain you're always seeing the latest offers.

Explore a world of travel with Expedia

London Airports

London

Gatwick to Sydney
AU$1,066.98
Heathrow to Sydney
AU$1,128.08
London City to Sydney
AU$1,670.98
Stansted to Sydney
AU$2,034.98

Southampton

Southampton to Sydney
AU$2,537.78
*Available to Expedia members.