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

Return flights

19 Dec - 02 Jan	Etihad Airways
23 Dec - 06 Jan	Air Arabia
17 Dec - 14 Jan	Air Arabia
22 Dec - 09 Jan	Etihad Airways
16 Dec - 23 Dec	Air Arabia
14 Dec - 24 Dec	Etihad Airways
19 Dec - 26 Dec	flydubai
23 Dec - 06 Jan	Turkish Airlines	direct
14 Dec - 24 Dec	Turkish Airlines	direct
17 Dec - 14 Jan	Turkish Airlines	direct
22 Dec - 09 Jan	Turkish Airlines	direct
19 Dec - 02 Jan	Turkish Airlines	direct
16 Dec - 23 Dec	Turkish Airlines	direct
19 Dec - 26 Dec	Turkish Airlines	direct

Also check the deals for one-way flights from Colombo to Istanbul 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 Colombo to Istanbul in December from 398€

Return flights