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

Return flights

23 Oct - 28 Oct	SWISS
29 Oct - 02 Nov	SWISS
31 Oct - 02 Nov	SWISS
24 Oct - 02 Nov	SWISS
27 Oct - 02 Nov	SWISS
20 Oct - 28 Oct	Lufthansa
24 Oct - 31 Oct	SWISS
30 Oct - 02 Nov	SWISS
23 Oct - 31 Oct	SWISS
16 Oct - 22 Oct	Lufthansa
09 Oct - 15 Oct	SWISS
30 Oct - 06 Nov	SWISS
16 Oct - 23 Oct	Lufthansa
31 Oct - 04 Nov	Lufthansa
08 Oct - 15 Oct	SWISS
30 Oct - 10 Nov	SWISS
23 Oct - 30 Oct	SWISS
15 Oct - 20 Oct	SWISS
24 Oct - 04 Nov	Lufthansa
31 Oct - 05 Nov	ITA Airways

Also check the deals for one-way flights from London to Thessaloniki 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 Thessaloniki in October from 225€

Return flights