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

View AU$804 flight on Sat, 28 Jun. 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 Eastern Airlines
Thu., 5 Jun. - Wed., 11 Jun.
LGW
Gatwick
SYD
Kingsford Smith Intl.
AU$1,139 Return, found 1 day ago
AU$1,139
Return
found 1 day ago
Select China Eastern Airlines flight, departing Thu., 5 Jun. from Gatwick to Kingsford Smith Intl., returning Wed., 11 Jun., priced at AU$1,139 found 1 day ago
China Southern Airlines
Tue., 16 Sep. - Mon., 13 Oct.
LHR
Heathrow
SYD
Kingsford Smith Intl.
AU$1,364 Return, found 1 day ago
AU$1,364
Return
found 1 day ago
Select China Southern Airlines flight, departing Tue., 16 Sep. from Heathrow to Kingsford Smith Intl., returning Mon., 13 Oct., priced at AU$1,364 found 1 day ago
Air China
Tue., 23 Sep. - Sat., 4 Oct.
LGW
Gatwick
SYD
Kingsford Smith Intl.
AU$1,541 Return, found 1 day ago
AU$1,541
Return
found 1 day ago
Select Air China flight, departing Tue., 23 Sep. from Gatwick to Kingsford Smith Intl., returning Sat., 4 Oct., priced at AU$1,541 found 1 day ago
Etihad Airways
Wed., 18 Jun. - Tue., 29 Jul.
LHR
Heathrow
SYD
Kingsford Smith Intl.
AU$1,615 Return, found 6 days ago
AU$1,615
Return
found 6 days ago
Select Etihad Airways flight, departing Wed., 18 Jun. from Heathrow to Kingsford Smith Intl., returning Tue., 29 Jul., priced at AU$1,615 found 6 days ago
Air India
Thu., 3 Jul. - Sun., 13 Jul.
LHR
Heathrow
SYD
Kingsford Smith Intl.
AU$1,653 Return, found 1 day ago
AU$1,653
Return
found 1 day ago
Select Air India flight, departing Thu., 3 Jul. from Heathrow to Kingsford Smith Intl., returning Sun., 13 Jul., priced at AU$1,653 found 1 day ago
Austrian Airlines
Fri., 12 Sep. - Sun., 14 Sep.
LHR
Heathrow
SYD
Kingsford Smith Intl.
AU$1,711 Return, found 3 days ago
AU$1,711
Return
found 3 days ago
Select Austrian Airlines flight, departing Fri., 12 Sep. from Heathrow to Kingsford Smith Intl., returning Sun., 14 Sep., priced at AU$1,711 found 3 days ago
Lufthansa
Mon., 8 Sep. - Tue., 21 Oct.
LHR
Heathrow
SYD
Kingsford Smith Intl.
AU$1,736 Return, found 15 hours ago
AU$1,736
Return
found 15 hours ago
Select Lufthansa flight, departing Mon., 8 Sep. from Heathrow to Kingsford Smith Intl., returning Tue., 21 Oct., priced at AU$1,736 found 15 hours ago
Swiss International Air Lines
Mon., 2 Mar. - Mon., 16 Mar.
LGW
Gatwick
SYD
Kingsford Smith Intl.
AU$1,784 Return, found 8 hours ago
AU$1,784
Return
found 8 hours ago
Select Swiss International Air Lines flight, departing Mon., 2 Mar. from Gatwick to Kingsford Smith Intl., returning Mon., 16 Mar., priced at AU$1,784 found 8 hours ago
KLM
Fri., 6 Jun. - Sun., 13 Jul.
LCY
London City
SYD
Kingsford Smith Intl.
AU$1,803 Return, found 3 days ago
AU$1,803
Return
found 3 days ago
Select KLM flight, departing Fri., 6 Jun. from London City to Kingsford Smith Intl., returning Sun., 13 Jul., priced at AU$1,803 found 3 days ago
Sri Lankan Airlines
Wed., 7 May - Sun., 25 May
LHR
Heathrow
SYD
Kingsford Smith Intl.
AU$1,822 Return, found 9 hours ago
AU$1,822
Return
found 9 hours ago
Select Sri Lankan Airlines flight, departing Wed., 7 May from Heathrow to Kingsford Smith Intl., returning Sun., 25 May, priced at AU$1,822 found 9 hours ago

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$1,139. 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.
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