Cheapest return flights from London to Ljubljana in December from $139

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

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

Return flights

03 Dec - 08 Dec easyJet direct
03 Dec - 07 Dec easyJet direct
04 Dec - 08 Dec Air Serbia
12 Dec - 14 Dec Air Serbia
11 Dec - 14 Dec Air Serbia
18 Dec - 21 Dec Air Serbia
12 Dec - 14 Dec easyJet direct
03 Dec - 09 Dec easyJet
04 Dec - 09 Dec Air Serbia
12 Dec - 18 Dec Air Serbia
28 Dec - 04 Jan Brussels Airlines
29 Dec - 04 Jan Brussels Airlines
26 Dec - 04 Jan Lufthansa
29 Dec - 02 Jan Brussels Airlines
24 Dec - 02 Jan Air Serbia
29 Dec - 01 Jan easyJet
27 Dec - 03 Jan Lufthansa
29 Dec - 02 Jan easyJet direct
26 Dec - 04 Jan easyJet direct
21 Dec - 04 Jan Lufthansa

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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