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

Return flights

29 Aug - 02 Sep	Transavia France
27 Aug - 01 Sep	SWISS
12 Aug - 19 Aug	SWISS
26 Aug - 28 Aug	Ryanair
25 Aug - 28 Aug	Ryanair
29 Aug - 05 Sep	Transavia France
31 Aug - 05 Sep	Ryanair
26 Aug - 29 Aug	Air France
28 Aug - 30 Aug	Ryanair
04 Aug - 11 Aug	Lufthansa
21 Aug - 28 Aug	Aer Lingus
27 Aug - 30 Aug	Ryanair
25 Aug - 30 Aug	KLM
07 Aug - 12 Aug	Aer Lingus
29 Aug - 01 Sep	Eurowings
29 Aug - 07 Sep	Aer Lingus

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 225€

Return flights