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

Return flights

25 Sep - 16 Oct	Turkish Airlines
09 Sep - 15 Sep	Scoot
13 Sep - 25 Oct	Emirates
16 Sep - 23 Sep	Emirates
10 Sep - 08 Oct	Turkish Airlines
03 Sep - 22 Sep	Scoot
09 Sep - 08 Oct	Turkish Airlines
27 Sep - 10 Oct	Scoot
11 Sep - 26 Sep	Turkish Airlines
27 Sep - 18 Oct	Turkish Airlines
27 Sep - 16 Oct	Turkish Airlines
11 Sep - 09 Oct	Turkish Airlines
15 Sep - 06 Oct	Turkish Airlines
11 Sep - 18 Sep	Emirates
13 Sep - 13 Oct	Turkish Airlines
03 Sep - 20 Sep	Scoot
02 Sep - 16 Sep	Scoot
01 Sep - 22 Sep	Scoot
12 Sep - 19 Sep	Emirates
03 Sep - 17 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 894€

Return flights