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

Return flights

04 Oct - 11 Oct	Air Serbia
04 Oct - 08 Oct	Lufthansa
04 Oct - 09 Oct	Lufthansa
09 Oct - 15 Oct	Lufthansa
09 Oct - 13 Oct	Lufthansa
01 Oct - 08 Oct	Lufthansa
30 Oct - 05 Nov	Lufthansa
11 Oct - 25 Oct	Air Serbia
05 Oct - 10 Oct	Air Serbia
13 Oct - 15 Oct	Lufthansa
19 Oct - 25 Oct	Air Serbia
31 Oct - 06 Nov	Brussels Airlines
29 Oct - 04 Nov	Brussels Airlines
29 Oct - 01 Nov	Brussels Airlines
27 Oct - 01 Nov	Brussels Airlines
24 Oct - 03 Nov	Lufthansa
31 Oct - 02 Nov	Brussels Airlines
24 Oct - 01 Nov	LOT

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 178€

Return flights