Flight Routes from London to Sydney

Trip type

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 Shop Baggage Price
London
Sydney
Outbound
06/25/26
2 Stopovers (PKX, CAN)
CZ0674, CZ3100, CZ8091
30h 25min
Return
06/30/26
2 Stopovers (CAN, PKX)
CZ0326, CZ3107, CZ0673
41h 00min
China Southern Airlines
$1,121
Best option
London
Sydney
Outbound
06/25/26
1 Stopover (AUH)
EY0062, EY0454
22h 20min
Return
06/30/26
1 Stopover (AUH)
EY0455, EY0067
30h 15min
Etihad Airways
$1,225
London
Sydney
Outbound
06/25/26
2 Stopovers (PKX, CAN)
CZ0674, CZ3100, CZ8091
30h 25min
Return
06/30/26
2 Stopovers (CAN, PKX)
CZ0326, CZ3107, CZ0673
41h 00min
China Southern Airlines
$1,127
London
Sydney
Outbound
06/25/26
1 Stopover (AUH)
EY0062, EY0454
22h 20min
Return
06/30/26
1 Stopover (AUH)
EY0455, EY0061
42h 30min
Etihad Airways ?
$1,237
London
Sydney
Outbound
06/25/26
1 Stopover (AUH)
EY0062, EY0454
22h 20min
Return
06/30/26
1 Stopover (AUH)
EY0455, EY0067
30h 15min
Etihad Airways ?
$1,305
London
Sydney
Outbound
06/25/26
3 Stopovers (DEL, BKK, SIN)
AI0112, AI2355, TR0621, TR0014
44h 20min
Return
06/30/26
3 Stopovers (SIN, KUL, CMB)
TR0015, TR0466, UL0315, UL0503
80h 25min
Air India, Scoot ?
$1,361
London
Sydney
Outbound
06/25/26
1 Stopover (DXB)
EK0008, EK0416
23h 25min
Return
06/30/26
1 Stopover (DXB)
EK0415, EK0031
43h 10min
Emirates Airline
$1,414
London
Sydney
Outbound
06/26/26
2 Stopovers (ZRH, SIN)
LX0345, LX9000, LX9038
25h 45min
Return
06/27/26
2 Stopovers (DEL, ZRH)
LX4129, LX9851, LX0340
34h 45min
Swiss International Air Lines ?
$4,121
Prices based on recent searches, subject to last-minute changes
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Tips and tricks to help you find cheap flights from London to Sydney

Favorite airline: Air India
The majority of passengers on the route London – Sydney prefer to fly with Air India.
Air India
33 %
China Southern
19 %
Finnair
12 %
Favourite connection: via Delhi
The most popular route is via Delhi and is booked by 44 % of all travelers.
Route
bookings
1 stopover Delhi-Indira Gandhi
32h 55min, from $1,025
44 %
1 stopover Guangzhou Baiyun International Airport
25h 15min, from $835
22 %
1 stopover Beijing Capital International Airport
31h 10min, from $659
13 %

Important flight information

Flight information: London - Sydney

Roundtrip from $1,120.09
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, all Airports (LON)
Departure country Flights from United Kingdom
Arrival airport Airport Sydney-Kingsford Smith International Airport, NSW (SYD)
Destination country Flights to Australia
Alternative routes to Australia
Alternative flights to Sydney
Flight destinations with a similar price
Flight destinations with a similar price