Cheapest return flights from Helsinki to Ljubljana in December from $349

AirHint found the following cheapest return flights from Helsinki (HEL) to Ljubljana (LJU) in December 2025 (see full year).

Return flights

21 Dec - 15 Jan KLM
12 Dec - 19 Dec airBaltic
24 Dec - 31 Dec Finnair
19 Dec - 22 Dec Finnair
26 Dec - 30 Dec airBaltic
10 Dec - 17 Dec KLM
19 Dec - 23 Dec Finnair
23 Dec - 02 Jan Lufthansa
20 Dec - 02 Jan Lufthansa
22 Dec - 22 Dec KLM

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

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