Cheapest return flights from Athens to Ljubljana in December from 151€

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

Return flights

06 Dec - 13 Dec Air Serbia
01 Dec - 05 Dec Air Serbia
12 Dec - 15 Dec Air Serbia
08 Dec - 12 Dec Air Serbia
11 Dec - 15 Dec Air Serbia
09 Dec - 12 Dec Air Serbia
11 Dec - 14 Dec Air Serbia
05 Dec - 12 Dec Air Serbia
29 Dec - 02 Jan Air Serbia
30 Dec - 03 Jan Air Serbia
01 Dec - 05 Dec Aegean Airlines direct
08 Dec - 12 Dec Aegean Airlines direct
29 Dec - 02 Jan Aegean Airlines direct

Also check the deals for one-way flights from Athens to Ljubljana in December.

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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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