AirHint found the following cheapest return flights from London (LON) to Sydney (SYD)
in May 2025 (see full year ).
Return flights
24 May
- 01 Jun
China Southern
$ 760
21 May
- 11 Jun
China Southern
$ 766
20 May
- 03 Jun
Air China
$ 771
25 May
- 26 Jun
Air China
$ 773
27 May
- 26 Jun
Air China
$ 773
27 May
- 07 Jun
Air China
$ 773
13 May
- 03 Jun
Air China
$ 773
25 May
- 08 Jun
Air China
$ 773
04 May
- 17 May
Air China
$ 779
13 May
- 22 May
China Southern
$ 791
15 May
- 22 May
China Southern
$ 791
14 May
- 21 May
China Southern
$ 794
11 May
- 19 May
China Southern
$ 794
11 May
- 22 May
China Southern
$ 794
12 May
- 22 May
China Southern
$ 794
18 May
- 07 Jun
Air China
$ 795
21 May
- 09 Jun
China Southern
$ 805
11 May
- 17 May
China Southern
$ 830
16 May
- 28 May
China Southern
$ 830
13 May
- 23 May
China Southern
$ 830
Also check the deals for one-way flights from London to Sydney in May .
The deals are updated regularly. The prices may go up as tickets are purchased by other travellers.
Only the cheapest flights are offered.
Select a price to book and secure these cheap prices.