Cheapest return flights from London to Ljubljana in December from $224

Best time to book flights for London (LHR) to Ljubljana (LJU) flights at AirHint

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

Return flights

06 Dec - 09 Dec SWISS
17 Dec - 21 Dec Brussels Airlines
17 Dec - 22 Dec Brussels Airlines
10 Dec - 14 Dec SWISS
25 Dec - 28 Dec SWISS
31 Dec - 04 Jan SWISS
28 Dec - 04 Jan Brussels Airlines
26 Dec - 31 Dec SWISS
26 Dec - 29 Dec SWISS
18 Dec - 23 Dec LOT
27 Dec - 03 Jan Lufthansa
18 Dec - 20 Dec SWISS
18 Dec - 22 Dec SWISS
30 Dec - 02 Jan LOT
26 Dec - 02 Jan LOT

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

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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