£1836 Cheap flights from London All Airport (LON) to Sydney Kingsford Smith International (SYD)

Good to Know: LON to SYD Flights

Useful information for finding cheap flights from London All Airport to Sydney Kingsford Smith International and booking your next trip

Cheapest Round Trip Flight

£1836

China Eastern Airlines• 1 stop • 50h

Jul 17 – Aug 01

The cheapest round trip flight from London All Airport to Sydney Kingsford Smith International is currently £1836

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Fastest Flight

36h 50m

The fastest nonstop flight from London All Airport to Sydney Kingsford Smith International takes 36h 50m

Best Flight Deals from London to Sydney

Explore the lowest round-trip fares from London to Sydney. We've compared hundreds of airlines and travel sites so you don't have to.

Jul 17 - Aug 01, Economy

London → Sydney

50h

6:00 PM - 9:00 AM • 1 stop

London → Sydney

45h 30m

8:30 PM - 3:00 PM • 1 stop

£1836

China Eastern Airlines

Jul 17 - Aug 01, Economy

London → Sydney

55h 35m

6:00 PM - 12:35 PM • 1 stop

London → Sydney

45h 30m

8:30 PM - 3:00 PM • 1 stop

£2063

China Eastern Airlines

Jul 17 - Aug 01, Economy

London → Sydney

48h 45m

7:00 PM - 9:25 AM • 1 stop

London → Sydney

47h 5m

8:55 PM - 4:20 PM • 1 stop

£2925

All Nippon Airways

Jul 17 - Aug 01, Economy

London → Sydney

43h 20m

7:20 PM - 6:20 AM • 1 stop

London → Sydney

50h 30m

8:55 AM - 6:25 AM • 1 stop

£2953

Japan Airlines

Jul 17 - Aug 01, Economy

London → Sydney

46h 45m

5:35 PM - 6:40 AM • 2 stops

London → Sydney

55h 35m

9:25 AM - 10:00 AM • 1 stop

£3654

Air France

Jul 17 - Aug 01, Economy

London → Sydney

36h 50m

2:55 PM - 10:05 PM • 1 stop

London → Sydney

38h 35m

6:00 AM - 8:15 PM • 1 stop

£3714

Emirates Airlines

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Flights from London to Sydney

Origin Airport	London All Airport, London, GB
Destination Airport	Sydney Kingsford Smith International , Sydney, AU
Distance	miles

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Good to Know: LON to SYD Flights

Best Flight Deals from London to Sydney

Explore the lowest round-trip fares from London to Sydney. We've compared hundreds of airlines and travel sites so you don't have to.

Whether you're moving or just visiting, here are some of the best one-way flight options from LON to SYD—searched and filtered with flexibility in mind.

Need to fly soon? We've surfaced some of the most affordable last-minute flights from London to Sydney, ideal for urgent plans or spontaneous trips.

Looking for the fastest way to Sydney? These direct flight options from LON to SYD offer both convenience and value—no layovers, just straight to your destination.

Compare & Book Cheapest Flights from London to Sydney (LON - SYD)

Hotels near Sydney (SYD)

Flights from London to Sydney

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Why Fareleaders for LON to SYD Flights