AirHint found the following cheapest return flights from Sydney (SYD) to London (LGW) in September 2026 (see full year).

Return flights

16 Sep - 23 Sep	Turkish Airlines
23 Sep - 07 Oct	Turkish Airlines
16 Sep - 19 Sep	Turkish Airlines
18 Sep - 21 Sep	Turkish Airlines
29 Sep - 27 Oct	Turkish Airlines
22 Sep - 05 Oct	Turkish Airlines
20 Sep - 04 Oct	Turkish Airlines
13 Sep - 27 Sep	Turkish Airlines
28 Sep - 15 Oct	Scoot
10 Sep - 08 Oct	Scoot
03 Sep - 14 Sep	Scoot
07 Sep - 21 Sep	Scoot
07 Sep - 22 Sep	Scoot
16 Sep - 17 Oct	Scoot
18 Sep - 29 Sep	Vietnam Airlines
28 Sep - 18 Oct	Scoot
08 Sep - 15 Sep	Scoot
19 Sep - 06 Oct	Scoot
06 Sep - 04 Oct	Scoot
01 Sep - 13 Sep	Scoot

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.

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Cheapest return flights from Sydney to London in September from $1032

Return flights