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

Return flights

09 Dec - 20 Dec	flydubai
21 Dec - 12 Jan	flydubai
23 Dec - 06 Jan	flydubai
22 Dec - 06 Jan	flydubai
23 Dec - 03 Jan	flydubai
23 Dec - 04 Jan	flydubai
20 Dec - 05 Jan	flydubai
27 Dec - 10 Jan	flydubai
18 Dec - 31 Dec	Qatar Airways
18 Dec - 01 Jan	Qatar Airways
18 Dec - 02 Jan	Qatar Airways
21 Dec - 04 Jan	flydubai

Also check the deals for one-way flights from Zagreb 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 Zagreb to Colombo in December from $775

Return flights