AirHint found the following cheapest return flights from Dublin (DUB) to Ljubljana (LJU) in August 2025 (see full year).

Return flights

20 Aug - 28 Aug	KLM
21 Aug - 29 Aug	Air France
26 Aug - 29 Aug	Air France
24 Aug - 28 Aug	Ryanair
25 Aug - 04 Sep	Ryanair
26 Aug - 05 Sep	SWISS
27 Aug - 30 Aug	Ryanair
23 Aug - 02 Sep	Ryanair
27 Aug - 06 Sep	Ryanair
25 Aug - 28 Aug	KLM
27 Aug - 31 Aug	Aer Lingus
25 Aug - 01 Sep	Ryanair
14 Aug - 21 Aug	Air France
21 Aug - 24 Aug	Air France
13 Aug - 20 Aug	SWISS
23 Aug - 03 Sep	SWISS
23 Aug - 01 Sep	Lufthansa
28 Aug - 07 Sep	Aer Lingus
22 Aug - 03 Sep	Ryanair

Also check the deals for one-way flights from Dublin to Ljubljana in August.

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 Dublin to Ljubljana in August from 211€

Return flights