S$621 Cheap Flights from London to Sydney

View S$621 flight on Tue, 2 Dec, 2025Opens in a new window

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

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Cheap Flights from London to Sydney (LON-SYD)

Prices were available within the past 7 days and start at S$621 for one-way flights and S$1,015 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air China
Tue, 3 Mar - Tue, 17 Mar
LHR
London
SYD
Sydney
S$1,015 Return, found 1 day ago
S$1,015
Return
found 1 day ago
Select Air China flight, departing Tue, 3 Mar from London to Sydney, returning Tue, 17 Mar, priced at S$1,015 found 1 day ago
China Eastern Airlines
Tue, 3 Mar - Tue, 17 Mar
LGW
London
SYD
Sydney
S$1,058 Return, found 1 day ago
S$1,058
Return
found 1 day ago
Select China Eastern Airlines flight, departing Tue, 3 Mar from London to Sydney, returning Tue, 17 Mar, priced at S$1,058 found 1 day ago
China Southern Airlines
Mon, 2 Mar - Wed, 11 Mar
LHR
London
SYD
Sydney
S$1,061 Return, found 1 day ago
S$1,061
Return
found 1 day ago
Select China Southern Airlines flight, departing Mon, 2 Mar from London to Sydney, returning Wed, 11 Mar, priced at S$1,061 found 1 day ago
Air India
Tue, 3 Mar - Tue, 17 Mar
LHR
London
SYD
Sydney
S$1,141 Return, found 1 day ago
S$1,141
Return
found 1 day ago
Select Air India flight, departing Tue, 3 Mar from London to Sydney, returning Tue, 17 Mar, priced at S$1,141 found 1 day ago
Etihad Airways
Mon, 2 Mar - Wed, 11 Mar
LHR
London
SYD
Sydney
S$1,403 Return, found 1 day ago
S$1,403
Return
found 1 day ago
Select Etihad Airways flight, departing Mon, 2 Mar from London to Sydney, returning Wed, 11 Mar, priced at S$1,403 found 1 day ago
Qatar Airways
Mon, 2 Mar - Wed, 11 Mar
LHR
London
SYD
Sydney
S$1,543 Return, found 1 day ago
S$1,543
Return
found 1 day ago
Select Qatar Airways flight, departing Mon, 2 Mar from London to Sydney, returning Wed, 11 Mar, priced at S$1,543 found 1 day ago
British Airways
Tue, 3 Mar - Sat, 14 Mar
LGW
London
SYD
Sydney
S$1,574 Return, found 6 days ago
S$1,574
Return
found 6 days ago
Select British Airways flight, departing Tue, 3 Mar from London to Sydney, returning Sat, 14 Mar, priced at S$1,574 found 6 days ago
Singapore Airlines
Tue, 3 Mar - Tue, 17 Mar
LHR
London
SYD
Sydney
S$1,638 Return, found 1 day ago
S$1,638
Return
found 1 day ago
Select Singapore Airlines flight, departing Tue, 3 Mar from London to Sydney, returning Tue, 17 Mar, priced at S$1,638 found 1 day ago
United
Thu, 5 Feb - Sun, 8 Feb
LHR
London
SYD
Sydney
S$1,648 Return, found 2 days ago
S$1,648
Return
found 2 days ago
Select United flight, departing Thu, 5 Feb from London to Sydney, returning Sun, 8 Feb, priced at S$1,648 found 2 days ago
American Airlines
Sun, 7 Dec - Thu, 11 Dec
LHR
London
SYD
Sydney
S$1,652 Return, found 5 days ago
S$1,652
Return
found 5 days ago
Select American Airlines flight, departing Sun, 7 Dec from London to Sydney, returning Thu, 11 Dec, priced at S$1,652 found 5 days ago

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

March is typically the cheapest month to fly

From S$950 - S$1,674 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 S$2,351
SYD
Kingsford Smith Intl.
Cheapest
Average driving time to city centre16 min
Flights from S$2,351
London to Sydney route information
Origin airport
Heathrow
Destination airport
Kingsford Smith Intl.
Airlines serving
Air Canada, Air China, Air France, Air India, American Airlines, British Airways, Cathay Pacific, China Eastern Airlines, China Southern Airlines, Delta, Emirates, Etihad Airways, Malaysia Airlines, Qantas Airways, Qatar Airways, Sichuan Airlines, Singapore Airlines, Turkish Airlines, United, Vietnam Airlines
Return price
S$1,014
Distance
16918 km

Flights from England to Sydney

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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 S$1,015. 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

Heathrow to Sydney
S$1,014.09
*Available to Expedia members.