Our cheapest offers for flights from London to Sydney

Here you can compare cheap flights from London (LON) to Sydney (SYD) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to Sydney. Prices and availability may change at any time.

	Outbound	Return	Airlines	Baggage	Price
London Sydney	Outbound 15/03/26 2 Stopovers (ZRH, SIN) LX0333, LX0176, LX9088 35h 00min	Return 31/03/26 2 Stopovers (SIN, FRA) TR0003, LH0781, LH0900 28h 50min	Swiss International Air Lines		£852
London Sydney	Outbound 21/04/26 3 Stopovers (ZRH, BKK, SIN) LX0319, LX0180, TR0611, TR0012 46h 20min	Return 07/05/26 3 Stopovers (SIN, KUL, DXB) TR0013, TR0456, EK0347, EK0031 52h 25min	Swiss International Air Lines, Scoot	?	£913
London Sydney	Outbound 10/03/26 3 Stopovers (ZRH, BKK, SIN) LX0319, LX0180, TR0609, TR0012 68h 00min	Return 26/03/26 2 Stopovers (SIN, ATH) TR0013, TR0720, BA0637 36h 30min	Swiss International Air Lines, Scoot	?	£914
London Sydney	Outbound 24/03/26 2 Stopovers (ZRH, SIN) LX0327, LX0176, LX9028 26h 00min	Return 09/04/26 1 Stopover (CAN) CZ0326, CZ0303 41h 55min	Swiss International Air Lines	?	£1,168

Important flight information

Flight information: London - Sydney

Cheapest outbound flight from	512,43 £
Outbound and return from	612,96 £
Flight duration	min. 20:30 / max. 21:00
Return flight duration	min. 22:00/ max. 22:25
Distance	17020 km
Flights per week	16
Departure airport	Airport London (LCY, LGW, LHR, LTN, STN, SEN) (LON)
Arrival airport	Airport Sydney Kingsford Smith (SYD)
Destination country	Flights to Australia

Alternative routes to Australia

Alternative flights to Sydney

Flight London Heathrow - Sydney from 613 £
Flight Manchester - Sydney from 745 £
Flight London Gatwick - Sydney from 513 £
Flight Glasgow - Sydney from 1.072 £
Flight London City - Sydney from 1.258 £

Flight destinations with a similar price

Flight London - Cape Town from 492 £
Flight London - Mauritius from 501 £
Flight London - Kathmandu from 486 £
Flight London - Brisbane from 480 £
Flight London - Mexico City from 533 £
Flight London - Bali from 512 £
Flight London - Taiwan Taoyuan from 468 £
Flight London - Dar es Salaam from 528 £
Flight London - Baltimore from 492 £
Flight London - Shanghai Pudong from 482 £

Our cheapest offers for flights from London to Sydney

London (LCY, LGW, LHR, LTN, STN, SEN)

Sydney Kingsford Smith

Swiss International Air Lines

Important flight information

Flight information: London - Sydney

Alternative routes to Australia

Alternative flights to Sydney

Flight destinations with a similar price