Cheapest return HEL–LJU flights, September

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

Return flights

20 Sep - 01 Oct airBaltic
28 Sep - 01 Oct Finnair direct
14 Sep - 24 Sep Finnair direct
21 Sep - 24 Sep Finnair direct
24 Sep - 28 Sep Finnair direct
03 Sep - 14 Sep Turkish Airlines
17 Sep - 21 Sep Turkish Airlines
19 Sep - 21 Sep Finnair direct
18 Sep - 20 Sep Turkish Airlines
03 Sep - 14 Sep Finnair direct

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

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