Flights from Sydney to London Heathrow

Our cheapest offers for flights from Sydney to London Heathrow

Here you can compare cheap flights from Sydney (SYD) to London Heathrow (LHR) 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 London Heathrow. Prices and availability may change at any time.

Outbound Return Airlines Shop Baggage Price
Sydney
London Heathrow
Outbound
20/10/25
1 Stopover (PVG)
MU0736, MU0551
31h 10min
Return
11/11/25
1 Stopover (PVG)
MU0552, MU0735
29h 35min
China Eastern Airlines
£770
Best option
Sydney
London Heathrow
Outbound
16/07/25
direct
BA0016
23h 45min
Return
09/08/25
direct
BA0015
23h 00min
British Airways
£1,312
Sydney
London Heathrow
Outbound
20/10/25
1 Stopover (DEL)
AI0301, AI2017
32h 30min
Return
11/11/25
1 Stopover (DEL)
AI0112, AI0302
42h 20min
Air India
£791
Sydney
London Heathrow
Outbound
20/10/25
1 Stopover (PVG)
MU0562, MU0551
40h 40min
Return
11/11/25
1 Stopover (PVG)
MU0552, MU0735
29h 35min
China Eastern Airlines
£795
Sydney
London Heathrow
Outbound
20/10/25
1 Stopover (DEL)
AI0301, AI0161
45h 00min
Return
11/11/25
1 Stopover (DEL)
AI0162, AI0302
23h 05min
Air India
£799
Sydney
London Heathrow
Outbound
20/10/25
1 Stopover (PVG)
MU0562, MU0551
40h 40min
Return
11/11/25
1 Stopover (PVG)
MU0552, MU0735
29h 35min
China Eastern Airlines ?
£813
Sydney
London Heathrow
Outbound
20/10/25
1 Stopover (DEL)
AI0301, AI0161
45h 00min
Return
11/11/25
1 Stopover (DEL)
AI0162, AI0302
23h 05min
Air India
£824
Sydney
London Heathrow
Outbound
09/10/25
1 Stopover (DEL)
AI0301, AI0161
45h 00min
Return
14/10/25
1 Stopover (DEL)
AI0112, AI0302
43h 45min
Air India
£847
Sydney
London Heathrow
Outbound
20/10/25
1 Stopover (DEL)
AI0301, AI0111
25h 00min
Return
11/11/25
1 Stopover (DEL)
AI0162, AI0302
23h 05min
Air India
£851
Sydney
London Heathrow
Outbound
13/10/25
1 Stopover (DEL)
AI0301, AI2017
32h 30min
Return
15/10/25
1 Stopover (DEL)
AI0162, AI0302
23h 15min
Air India
£855
Prices based on recent searches, subject to last-minute changes
Page 1 / 4

Tips and tricks to help you find cheap flights from Sydney to London Heathrow

Favourite airline: Asiana Airlines
78 % of flights booked on the route from Sydney to London Heathrow are booked with Asiana Airlines, Air China and China Eastern.
Asiana Airlines
39 %
Air China
28 %
China Eastern
11 %
Favourite connection: via Seoul Incheon
Stopover flights on this route are especially popular via Seoul Incheon, making up 47 % of bookings.
Route
bookings
1 stopover Seoul Incheon
42h 55min, from £1,045
47 %
1 stopover Beijing International
30h 15min, from £686
33 %
1 stopover Shanghai Pudong
40h 30min, from £834
13 %

Important flight information

Flight information: Sydney - London Heathrow

Outbound and return from £769.49
Flight duration min. 22:00 / max. 22:25
Return flight duration min. 20:30/ max. 21:00
Distance 17039 km
Flights per week 16
Departure airport Airport Sydney Kingsford Smith (SYD)
Departure country Flights from Australia
Arrival airport Airport London Heathrow (LHR)
Destination country Flights to United Kingdom
Alternative flights to London Heathrow
Popular destinations for onward travel