Cheapest return flights from Singapore to Ljubljana in December from $1137

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

Return flights

06 Dec - 14 Dec SWISS
22 Dec - 30 Dec KLM
18 Dec - 24 Dec SWISS
23 Dec - 30 Dec Turkish Airlines
20 Dec - 24 Dec Lufthansa
18 Dec - 25 Dec SWISS
19 Dec - 24 Dec Air France
21 Dec - 03 Jan Turkish Airlines
20 Dec - 25 Dec Lufthansa
19 Dec - 25 Dec Air France
19 Dec - 28 Dec Air France

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

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