Cheapest return flights from London to Sydney in September from $775

AirHint found the following cheapest return flights from London (LGW) to Sydney (SYD) in September 2025 (see full year).

Return flights

15 Sep - 23 Oct China Eastern
15 Sep - 27 Oct China Eastern
02 Sep - 09 Sep China Eastern
04 Sep - 07 Sep China Eastern
04 Sep - 22 Oct China Eastern
04 Sep - 21 Oct China Eastern
16 Sep - 27 Oct China Southern
13 Sep - 03 Oct China Southern
01 Sep - 08 Sep China Eastern
18 Sep - 28 Oct China Eastern
18 Sep - 04 Oct China Eastern
03 Sep - 08 Sep China Eastern
21 Sep - 24 Oct China Eastern
04 Sep - 08 Sep China Eastern
21 Sep - 17 Oct China Eastern
01 Sep - 09 Sep China Eastern
03 Sep - 09 Sep China Eastern
01 Sep - 07 Sep China Eastern
14 Sep - 21 Sep China Eastern
16 Sep - 24 Sep China Eastern

Also check the deals for one-way flights from London to Sydney in September.

Skyscanner

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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