AirHint found the following cheapest return flights from Athens (ATH) to Ljubljana (LJU) in March 2026 (see full year).

Return flights

27 Mar - 31 Mar	Aegean Airlines	direct
31 Mar - 04 Apr	Aegean Airlines
16 Mar - 31 Mar	Aegean Airlines	direct
19 Mar - 22 Mar	Air Serbia
16 Mar - 20 Mar	Air Serbia
21 Mar - 26 Mar	Air Serbia
23 Mar - 25 Mar	Air Serbia
20 Mar - 23 Mar	Air Serbia
21 Mar - 25 Mar	Air Serbia
02 Mar - 07 Mar	Air Serbia
06 Mar - 13 Mar	Air Serbia
28 Mar - 01 Apr	Air Serbia
27 Mar - 01 Apr	Air Serbia
31 Mar - 03 Apr	Aegean Airlines	direct

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

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 Athens to Ljubljana in March from 141€

Return flights