Flights from London Heathrow to Sydney with Qantas Airways

Our cheapest offers for flights from London Heathrow to Sydney

Here you can compare cheap flights from London Heathrow (LHR) 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 Shop Baggage Price
London Heathrow
Sydney
Outbound
08/12/25
1 Stopover (PER)
QF0010, QF0652
23h 40min
Return
24/12/25
direct
QF0001
25h 20min
Qantas Airways
£1,256
London Heathrow
Sydney
Outbound
05/09/25
1 Stopover (SIN)
QF0002, QF0002
23h 20min
Return
12/09/25
1 Stopover (PER)
QF0641, QF0009
32h 05min
Qantas Airways ?
£1,557
found 3 days ago
Prices based on recent searches, subject to last-minute changes
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Important flight information

Flight information: London Heathrow - Sydney

Cheapest outbound flight from 950,12 £
Outbound and return from 612,96 £
Flight duration min. 20:30 / max. 21:00
Return flight duration min. 22:00/ max. 22:25
Distance 17039 km
Flights per week 16
Departure airport Airport London Heathrow (LHR)
Arrival airport Airport Sydney Kingsford Smith (SYD)
Destination country Flights to Australia
Alternative routes to Australia
Alternative flights to Sydney
Flight destinations with a similar price