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

Return flights

21 Oct - 27 Nov	Scoot
27 Oct - 04 Nov	China Southern
23 Oct - 27 Nov	Scoot
16 Oct - 04 Nov	China Eastern
22 Oct - 28 Oct	China Southern
02 Oct - 04 Nov	China Southern
04 Oct - 23 Oct	Air China
21 Oct - 24 Nov	Scoot
15 Oct - 11 Nov	China Eastern
17 Oct - 12 Nov	China Eastern
15 Oct - 12 Nov	China Eastern
19 Oct - 09 Nov	Scoot
15 Oct - 26 Oct	China Eastern
17 Oct - 30 Oct	China Eastern
18 Oct - 24 Oct	Air China
16 Oct - 24 Oct	Air China
03 Oct - 24 Oct	China Southern
02 Oct - 26 Oct	China Eastern
13 Oct - 23 Oct	Scoot
12 Oct - 21 Oct	Air China

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.

Book a cheap hotel in London

Cheap car rent in London

Cheapest return flights from Sydney to London in October from 658€

Return flights