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

Return flights

30 Apr - 04 May	SWISS
23 Apr - 27 Apr	SWISS
07 Apr - 11 Apr	SWISS
15 Apr - 26 Apr	SWISS
13 Apr - 18 Apr	SWISS
20 Apr - 24 Apr	Lufthansa
06 Apr - 12 Apr	Brussels Airlines
09 Apr - 13 Apr	SWISS
09 Apr - 14 Apr	SWISS
03 Apr - 05 Apr	Brussels Airlines
28 Apr - 01 May	SWISS
24 Apr - 27 Apr	Lufthansa

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

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 April from 231€

Return flights