Cheapest return flights from Athens to Ljubljana in September from $175

Best time to book flights for Athens (ATH) to Ljubljana (LJU) flights at AirHint

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

Return flights

05 Sep - 08 Sep Air Serbia
17 Sep - 21 Sep Air Serbia
04 Sep - 09 Sep Air Serbia
05 Sep - 09 Sep Air Serbia
09 Sep - 13 Sep Air Serbia
12 Sep - 16 Sep Air Serbia
18 Sep - 21 Sep Air Serbia
16 Sep - 19 Sep Air Serbia
09 Sep - 12 Sep Aegean Airlines direct
19 Sep - 23 Sep Air Serbia

Also check the deals for one-way flights from Athens 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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