Cheapest return flights from Belfast to Ljubljana in December from 208€

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

Return flights

15 Dec - 18 Dec Ryanair
27 Dec - 01 Jan Aer Lingus

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

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