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

Return flights

21 Dec - 07 Jan	Jazeera Airways
22 Dec - 28 Dec	Jazeera Airways
17 Dec - 25 Dec	Air Arabia
01 Dec - 08 Dec	Air Arabia
10 Dec - 17 Dec	Air Arabia
21 Dec - 02 Jan	Jazeera Airways
17 Dec - 27 Dec	Air Arabia
10 Dec - 14 Dec	Air Arabia
18 Dec - 16 Jan	Air Arabia
05 Dec - 14 Dec	Air Arabia
04 Dec - 14 Dec	Air Arabia
13 Dec - 21 Dec	Air Arabia
17 Dec - 13 Jan	Air Arabia
13 Dec - 13 Jan	Air Arabia
09 Dec - 08 Jan	Air Arabia
18 Dec - 03 Jan	Air Arabia
19 Dec - 28 Dec	Air Arabia
18 Dec - 14 Jan	Air Arabia
19 Dec - 13 Jan	Air Arabia
20 Dec - 01 Jan	Air Arabia

Also check the deals for one-way flights from Istanbul 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 Istanbul to Colombo in December from $452

Return flights