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

Return flights

07 Oct - 13 Oct	SWISS
09 Oct - 13 Oct	SWISS
09 Oct - 15 Oct	SWISS
21 Oct - 30 Oct	SWISS
30 Oct - 03 Nov	KLM
01 Oct - 08 Oct	Lufthansa
31 Oct - 03 Nov	SWISS
03 Oct - 07 Oct	KLM
03 Oct - 10 Oct	KLM
06 Oct - 10 Oct	KLM
01 Oct - 07 Oct	KLM
06 Oct - 13 Oct	SWISS
29 Oct - 02 Nov	SWISS
28 Oct - 02 Nov	SWISS
27 Oct - 01 Nov	SWISS
30 Oct - 02 Nov	KLM
31 Oct - 02 Nov	SWISS
27 Oct - 02 Nov	SWISS
30 Oct - 01 Nov	SWISS
26 Oct - 02 Nov	SWISS

Also check the deals for one-way flights from London to Ljubljana 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 Ljubljana in October from $267

Return flights