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

Return flights

05 Oct - 07 Oct	Air Serbia
05 Oct - 09 Oct	Air Serbia
05 Oct - 11 Oct	Air Serbia
05 Oct - 13 Oct	Air Serbia
19 Oct - 24 Oct	Air Serbia
18 Oct - 25 Oct	Air Serbia
09 Oct - 13 Oct	Lufthansa
09 Oct - 15 Oct	Lufthansa
11 Oct - 18 Oct	Air Serbia
30 Oct - 03 Nov	Lufthansa
10 Oct - 12 Oct	Vueling Airlines
31 Oct - 03 Nov	Lufthansa
04 Oct - 04 Nov	Lufthansa
29 Oct - 03 Nov	SWISS
05 Oct - 05 Nov	Lufthansa
25 Oct - 01 Nov	SWISS
30 Oct - 02 Nov	Lufthansa
28 Oct - 02 Nov	Lufthansa
26 Oct - 02 Nov	SWISS
29 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 $202

Return flights