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

Return flights

13 Oct - 28 Oct	Thai Airways
22 Oct - 06 Nov	China Eastern
06 Oct - 25 Oct	Scoot
07 Oct - 04 Nov	Etihad Airways
12 Oct - 20 Oct	Vietnam Airlines
08 Oct - 24 Oct	China Airlines
09 Oct - 24 Oct	China Airlines
01 Oct - 16 Oct	China Airlines
05 Oct - 31 Oct	China Airlines
02 Oct - 28 Oct	China Airlines
18 Oct - 31 Oct	China Airlines
23 Oct - 14 Nov	China Airlines
13 Oct - 27 Oct	Cathay Pacific
09 Oct - 20 Nov	China Airlines
06 Oct - 03 Nov	British Airways
01 Oct - 05 Nov	British Airways
15 Oct - 05 Nov	British Airways
20 Oct - 03 Nov	Air Canada
06 Oct - 02 Nov	Air Canada
31 Oct - 12 Nov	Air Canada

Also check the deals for one-way flights from Sydney to London 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 Sydney to London in October from $1080

Return flights