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

Return flights

30 Oct - 09 Nov	China Eastern
25 Oct - 09 Nov	China Eastern
26 Oct - 09 Nov	China Eastern
28 Oct - 11 Nov	China Eastern
29 Oct - 06 Nov	China Eastern
25 Oct - 01 Nov	China Eastern
13 Oct - 20 Oct	Air India
01 Oct - 14 Oct	Air India
12 Oct - 19 Oct	Air India
01 Oct - 12 Oct	Air India
05 Oct - 13 Oct	Air India
05 Oct - 19 Oct	Air India
01 Oct - 13 Oct	Air India
13 Oct - 21 Oct	Air India
08 Oct - 23 Oct	Air India
01 Oct - 15 Oct	Air India
14 Oct - 02 Nov	China Airlines
24 Oct - 03 Nov	China Airlines
17 Oct - 01 Nov	China Airlines
19 Oct - 06 Nov	China Airlines

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

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 London to Sydney in October from 785€

Return flights