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

Return flights

31 Oct - 03 Nov	Air Serbia
26 Oct - 31 Oct	Air Serbia
26 Oct - 01 Nov	Air Serbia
26 Oct - 29 Oct	Air Serbia
30 Oct - 02 Nov	KLM
10 Oct - 12 Oct	Norwegian Air Sweden AOC
19 Oct - 26 Oct	Air Serbia
05 Oct - 09 Oct	Turkish Airlines
05 Oct - 10 Oct	Turkish Airlines
27 Oct - 31 Oct	Air Serbia
04 Oct - 14 Oct	Turkish Airlines

Also check the deals for one-way flights from Ljubljana to Oslo 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 Ljubljana to Oslo in October from $199

Return flights