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

Return flights

03 Jun - 14 Jun	Air Serbia
05 Jun - 16 Jun	Air Serbia
02 Jun - 14 Jun	Air Serbia
05 Jun - 16 Jun	Aegean Airlines	direct
02 Jun - 14 Jun	Aegean Airlines	direct
28 Jun - 05 Jul	Vueling Airlines
21 Jun - 05 Jul	Vueling Airlines
14 Jun - 05 Jul	Vueling Airlines
28 Jun - 08 Jul	Vueling Airlines
21 Jun - 08 Jul	Vueling Airlines
07 Jun - 21 Jun	Vueling Airlines
18 Jun - 05 Jul	Vueling Airlines
18 Jun - 21 Jun	Vueling Airlines
18 Jun - 08 Jul	Vueling Airlines

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

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 Athens in June from 155€

Return flights