AirHint found the following cheapest return flights from Sydney (SYD) to London (LHR)
in September 2025 (see full year ).
Return flights
07 Sep
- 14 Oct
China Airlines
919 €
11 Sep
- 17 Oct
China Airlines
919 €
16 Sep
- 23 Sep
Malaysia Airlines
925 €
16 Sep
- 25 Oct
Malaysia Airlines
925 €
18 Sep
- 30 Oct
Turkish Airlines
936 €
26 Sep
- 05 Oct
Turkish Airlines
941 €
24 Sep
- 05 Oct
Turkish Airlines
941 €
19 Sep
- 23 Sep
Turkish Airlines
946 €
16 Sep
- 15 Oct
Turkish Airlines
956 €
18 Sep
- 19 Oct
Turkish Airlines
957 €
19 Sep
- 17 Oct
Turkish Airlines
960 €
14 Sep
- 12 Oct
Turkish Airlines
960 €
16 Sep
- 29 Sep
Turkish Airlines
963 €
18 Sep
- 29 Sep
Turkish Airlines
963 €
18 Sep
- 27 Sep
Turkish Airlines
963 €
23 Sep
- 30 Sep
Turkish Airlines
965 €
05 Sep
- 12 Sep
China Airlines
968 €
16 Sep
- 30 Sep
Turkish Airlines
968 €
05 Sep
- 15 Sep
China Airlines
969 €
04 Sep
- 24 Sep
China Airlines
969 €
Also check the deals for one-way flights from Sydney to London in September .
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.