AirHint found the following cheapest return flights from London (LCY) to Athens (ATH) in October 2025 (see full year).

Return flights

21 Oct - 19 Nov	KLM
31 Oct - 19 Nov	KLM
21 Oct - 28 Oct	KLM
23 Oct - 28 Oct	KLM
31 Oct - 18 Nov	KLM
07 Oct - 11 Oct	ITA Airways
31 Oct - 05 Nov	KLM
22 Oct - 12 Nov	KLM
08 Oct - 15 Oct	ITA Airways
08 Oct - 16 Oct	ITA Airways
24 Oct - 28 Oct	KLM
27 Oct - 04 Nov	KLM
07 Oct - 21 Oct	ITA Airways
10 Oct - 17 Oct	ITA Airways
06 Oct - 10 Oct	KLM
14 Oct - 16 Oct	ITA Airways
31 Oct - 06 Nov	SWISS
31 Oct - 20 Nov	SWISS
31 Oct - 13 Nov	SWISS
29 Oct - 11 Nov	ITA Airways

Also check the deals for one-way flights from London to Athens 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 Athens in October from $245

Return flights