Cheapest return flights from London to Ljubljana in December from $259

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

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

Return flights

06 Dec - 08 Dec SWISS
05 Dec - 08 Dec KLM
03 Dec - 07 Dec SWISS
10 Dec - 14 Dec SWISS
22 Dec - 28 Dec SWISS
12 Dec - 10 Jan Lufthansa
05 Dec - 07 Dec KLM
04 Dec - 07 Dec KLM
15 Dec - 21 Dec Lufthansa
27 Dec - 03 Jan SWISS
29 Dec - 04 Jan SWISS
28 Dec - 04 Jan SWISS
07 Dec - 05 Jan SWISS
21 Dec - 28 Dec SWISS
21 Dec - 27 Dec SWISS

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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