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

Return flights

01 Dec - 14 Dec	Wizz Air
03 Dec - 16 Dec	Wizz Air
05 Dec - 14 Dec	Wizz Air
10 Dec - 01 Jan	Wizz Air
31 Dec - 16 Jan	Turkish Airlines
14 Dec - 24 Dec	Wizz Air
30 Dec - 13 Jan	Wizz Air
13 Dec - 27 Dec	Air Serbia
31 Dec - 08 Jan	Air Serbia
18 Dec - 30 Dec	Wizz Air
14 Dec - 10 Jan	Wizz Air
13 Dec - 11 Jan	Air Serbia
28 Dec - 13 Jan	Turkish Airlines
14 Dec - 06 Jan	Wizz Air
01 Dec - 03 Jan	Wizz Air
15 Dec - 11 Jan	Aegean Airlines
12 Dec - 27 Dec	flydubai

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

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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Cheapest return flights from Ljubljana to Colombo in December from 578€

Return flights