Cheapest return flights from Oslo to Ljubljana in September from 180€

Best time to book flights for Oslo (OSL) to Ljubljana (LJU) flights at AirHint

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

Return flights

05 Sep - 07 Sep Air Serbia
19 Sep - 21 Sep Air Serbia

Also check the deals for one-way flights from Oslo to Ljubljana in September.

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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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