AirHint found the following cheapest return flights from Adelaide (ADL) to London (LHR) in October 2025 (see full year).

Return flights

26 Oct - 20 Nov	Singapore Airlines
28 Oct - 18 Nov	Malaysia Airlines
24 Oct - 23 Nov	Singapore Airlines
23 Oct - 19 Nov	Singapore Airlines
26 Oct - 19 Nov	Singapore Airlines
21 Oct - 20 Nov	Singapore Airlines
19 Oct - 18 Nov	Singapore Airlines
22 Oct - 19 Nov	Singapore Airlines
23 Oct - 05 Nov	Singapore Airlines
29 Oct - 19 Nov	Qatar Airways
12 Oct - 27 Oct	Jetstar
01 Oct - 31 Oct	Qatar Airways
14 Oct - 31 Oct	Qatar Airways
15 Oct - 31 Oct	Qatar Airways
13 Oct - 31 Oct	Qatar Airways
12 Oct - 26 Oct	Singapore Airlines
17 Oct - 31 Oct	Qatar Airways
01 Oct - 16 Oct	Qantas
15 Oct - 27 Oct	Qantas
10 Oct - 29 Oct	Qatar Airways

Also check the deals for one-way flights from Adelaide 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 Adelaide to London in October from $970

Return flights