Cheapest return flights from London to Sydney in September from 651€

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

Return flights

28 Sep - 19 Oct China Southern
29 Sep - 17 Oct China Southern
30 Sep - 15 Oct China Southern
28 Sep - 17 Oct China Southern
28 Sep - 20 Oct China Southern
30 Sep - 10 Oct China Southern
28 Sep - 09 Oct China Southern
27 Sep - 13 Oct China Southern
27 Sep - 11 Oct China Southern
27 Sep - 22 Oct China Southern
25 Sep - 30 Sep China Eastern
22 Sep - 29 Sep Shenzhen Airlines
22 Sep - 30 Sep Shenzhen Airlines
22 Sep - 27 Sep Shenzhen Airlines
22 Sep - 28 Sep Shenzhen Airlines
22 Sep - 26 Sep Shenzhen Airlines
23 Sep - 30 Sep China Eastern
25 Sep - 28 Sep Turkish Airlines
23 Sep - 29 Sep American Airlines
23 Sep - 26 Sep American Airlines

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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