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

Return flights

13 Dec - 27 Dec	Air Serbia
19 Dec - 04 Jan	Air Serbia
13 Dec - 28 Dec	Turkish Airlines
19 Dec - 05 Jan	Air Serbia
13 Dec - 11 Jan	flydubai
12 Dec - 28 Dec	Turkish Airlines
14 Dec - 27 Dec	Turkish Airlines
15 Dec - 31 Dec	flydubai
15 Dec - 01 Jan	flydubai
18 Dec - 04 Jan	flydubai
22 Dec - 04 Jan	flydubai
19 Dec - 02 Jan	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 $881

Return flights