Cheapest return flights from Dublin to Ljubljana in September from $251

AirHint found the following cheapest return flights from Dublin (DUB) to Ljubljana (LJU) in September 2026 (see full year).

Return flights

01 Sep - 08 Sep Lufthansa
16 Sep - 19 Sep Transavia France
27 Sep - 30 Sep Lufthansa
15 Sep - 18 Sep SWISS
25 Sep - 28 Sep SWISS
03 Sep - 07 Sep Lufthansa
14 Sep - 21 Sep SWISS
24 Sep - 28 Sep Lufthansa
16 Sep - 20 Sep SWISS
25 Sep - 27 Sep SWISS

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

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